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000
CXUS53 KLOT 011548
CLMMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CST SUN MAR 1 2015

...................................

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              75   02/27/1976
 LOW              -20   02/09/1933
HIGHEST            44   02/07        MM      MM       51
LOWEST             -5   02/19        MM      MM       -4
AVG. MAXIMUM     26.0              35.8    -9.8     26.3
AVG. MINIMUM     10.2              21.7   -11.5     11.4
MEAN             18.1              28.7   -10.6     18.8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.35   1950
 MINIMUM         0.10   2003
TOTALS           0.11              1.94   -1.83     1.43

DEGREE_DAYS
HEATING TOTAL    1305              1015     290     1284
 SINCE 7/1       4722              4511     211     5202
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.9
HIGHEST WIND SPEED/DIRECTION    37/320    DATE  02/14
HIGHEST GUST SPEED/DIRECTION    47/320    DATE  02/14

AVERAGE RH (PERCENT)     65


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$




000
CXUS43 KLOT 011548
CLMDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CST SUN MAR 1 2015

...................................

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              71   02/25/2000
 LOW              -20   02/10/2011
HIGHEST            39   02/07        MM      MM       46
LOWEST            -13   02/28        MM      MM      -14
AVG. MAXIMUM     22.8              36.3   -13.5     23.5
AVG. MINIMUM      4.2              19.4   -15.2      5.0
MEAN             13.5              27.9   -14.4     14.2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.71   2009
 MINIMUM         0.06   2003
TOTALS           0.96              1.42   -0.46     0.41

DEGREE_DAYS
HEATING TOTAL    1333              1040     293     1418
 SINCE 7/1       5192              4755     437     5776
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
HIGHEST WIND SPEED/DIRECTION    36/340    DATE  02/14
HIGHEST GUST SPEED/DIRECTION    47/320    DATE  02/14

AVERAGE RH (PERCENT)     70


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$





000
CXUS53 KLOT 011548
CLMMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CST SUN MAR 1 2015

...................................

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              75   02/27/1976
 LOW              -20   02/09/1933
HIGHEST            44   02/07        MM      MM       51
LOWEST             -5   02/19        MM      MM       -4
AVG. MAXIMUM     26.0              35.8    -9.8     26.3
AVG. MINIMUM     10.2              21.7   -11.5     11.4
MEAN             18.1              28.7   -10.6     18.8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.35   1950
 MINIMUM         0.10   2003
TOTALS           0.11              1.94   -1.83     1.43

DEGREE_DAYS
HEATING TOTAL    1305              1015     290     1284
 SINCE 7/1       4722              4511     211     5202
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.9
HIGHEST WIND SPEED/DIRECTION    37/320    DATE  02/14
HIGHEST GUST SPEED/DIRECTION    47/320    DATE  02/14

AVERAGE RH (PERCENT)     65


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$





000
CXUS53 KLOT 011548
CLMLOT


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CST SUN MAR 1 2015

...................................

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1992 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              73   02/25/2000
 LOW              -19   02/03/1996
HIGHEST            42   02/07        MM      MM       49
LOWEST             -9   02/27        MM      MM      -14
AVG. MAXIMUM     23.2              35.5   -12.3     24.1
AVG. MINIMUM      5.2              19.7   -14.5      5.8
MEAN             14.2              27.6   -13.4     14.9

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.00   1997
 MINIMUM         0.29   2003
TOTALS           1.33              1.78   -0.45     2.24

SNOWFALL (INCHES)
RECORDS
 TOTAL           22.3   2014
TOTALS           19.0               6.4    12.6     22.3
SINCE 7/1        31.2              27.4     3.8     65.5

DEGREE_DAYS
HEATING TOTAL    1415              1047     368     1396
 SINCE 7/1       5245              4728     517     5604
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    28/MM     DATE   MM
HIGHEST GUST SPEED/DIRECTION    38/340    DATE  02/14

AVERAGE RH (PERCENT)     72


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$





000
CXUS53 KLOT 011548
CLMRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CST SUN MAR 1 2015

...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              70   02/25/2000
 LOW              -25   02/09/1933

HIGHEST            39   02/07        55     -16       44  02/20
                                                          02/18
LOWEST            -16   02/28        29     -45      -21  02/11

AVG. MAXIMUM     21.9              34.2   -12.3     22.0
AVG. MINIMUM      2.4              17.7   -15.3      2.8
MEAN             12.1              25.9   -13.8     12.4

DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     24              10.7    13.3       24
DAYS MIN <= 32     28              25.0     3.0       27
DAYS MIN <= 0      12               2.9     9.1       13

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.32   1944
 MINIMUM         0.04   1969

TOTALS           0.85              1.41   -0.56     1.76

DAILY AVG.       0.03              0.05   -0.02     0.06
DAYS >= .01         5               8.2    -3.2        8
DAYS >= .10         2               3.6    -1.6        4
DAYS >= .50         1               0.7     0.3        1
DAYS >= 1.00        0               0.2    -0.2        0
GREATEST
 24 HR. TOTAL    0.60   02/01 TO 02/01

SNOWFALL (INCHES)
RECORDS
 TOTAL           30.2   1994

TOTALS           14.7               7.7     7.0     13.5

SINCE 7/1        27.9              31.0    -3.1     47.5
SNOWDEPTH AVG.      6                 4       2        9
DAYS >= 1.0         3               2.3     0.7        5
GREATEST
 SNOW DEPTH        12   02/03                         13  02/18
                        02/05                             02/17
                        02/04
 24 HR TOTAL     10.5   02/01 TO 02/01

DEGREE_DAYS
HEATING TOTAL    1474              1093     381     1467
 SINCE 7/1       5446              5002     444     5892
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    35/010    DATE  02/01
HIGHEST GUST SPEED/DIRECTION    43/340    DATE  02/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               17     SLEET                      1
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                      8

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

RECORDS...

MONTHLY...
SECOND COLDEST MONTHLY AVERAGE TEMPERATURE FOR FEBRUARY WITH 12.1.
  ...COLDEST FEBRUARY AVERAGE TEMPERATURE...1936...10.2 DEGREES.

DAILY...
FEB 19...SET RECORD FOR COLDEST HIGH TEMPERATURE WITH 4 ABOVE...
                                 ...OLD RECORD 7 ABOVE IN 1959.
FEB 23...SET RECORD FOR COLDEST HIGH TEMPERATURE WITH 9 ABOVE...
                                ...OLD RECORD 17 ABOVE IN 1934.
FEB 26...SET RECORD FOR LOW TEMPERATURE WITH -8...
                   ...OLD RECORD -6 SET IN 1963 AND TIED IN 1994.
FEB 27...TIED RECORD FOR LOW TEMPERATURE OF -15 SET IN 1994.
FEB 27...SET RECORD FOR COLDEST HIGH TEMPERATURE WITH 12 ABOVE...
                                   ...OLD RECORD 15 ABOVE IN 2014.
FEB 28...SET RECORD FOR LOW TEMPERATURE WITH -16...
                                         ...OLD RECORD -7 IN 1962.

$$








000
CXUS53 KLOT 011548
CLMLOT


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CST SUN MAR 1 2015

...................................

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1992 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              73   02/25/2000
 LOW              -19   02/03/1996
HIGHEST            42   02/07        MM      MM       49
LOWEST             -9   02/27        MM      MM      -14
AVG. MAXIMUM     23.2              35.5   -12.3     24.1
AVG. MINIMUM      5.2              19.7   -14.5      5.8
MEAN             14.2              27.6   -13.4     14.9

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.00   1997
 MINIMUM         0.29   2003
TOTALS           1.33              1.78   -0.45     2.24

SNOWFALL (INCHES)
RECORDS
 TOTAL           22.3   2014
TOTALS           19.0               6.4    12.6     22.3
SINCE 7/1        31.2              27.4     3.8     65.5

DEGREE_DAYS
HEATING TOTAL    1415              1047     368     1396
 SINCE 7/1       5245              4728     517     5604
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    28/MM     DATE   MM
HIGHEST GUST SPEED/DIRECTION    38/340    DATE  02/14

AVERAGE RH (PERCENT)     72


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$




000
CXUS53 KLOT 011548
CLMRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CST SUN MAR 1 2015

...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              70   02/25/2000
 LOW              -25   02/09/1933

HIGHEST            39   02/07        55     -16       44  02/20
                                                          02/18
LOWEST            -16   02/28        29     -45      -21  02/11

AVG. MAXIMUM     21.9              34.2   -12.3     22.0
AVG. MINIMUM      2.4              17.7   -15.3      2.8
MEAN             12.1              25.9   -13.8     12.4

DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     24              10.7    13.3       24
DAYS MIN <= 32     28              25.0     3.0       27
DAYS MIN <= 0      12               2.9     9.1       13

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.32   1944
 MINIMUM         0.04   1969

TOTALS           0.85              1.41   -0.56     1.76

DAILY AVG.       0.03              0.05   -0.02     0.06
DAYS >= .01         5               8.2    -3.2        8
DAYS >= .10         2               3.6    -1.6        4
DAYS >= .50         1               0.7     0.3        1
DAYS >= 1.00        0               0.2    -0.2        0
GREATEST
 24 HR. TOTAL    0.60   02/01 TO 02/01

SNOWFALL (INCHES)
RECORDS
 TOTAL           30.2   1994

TOTALS           14.7               7.7     7.0     13.5

SINCE 7/1        27.9              31.0    -3.1     47.5
SNOWDEPTH AVG.      6                 4       2        9
DAYS >= 1.0         3               2.3     0.7        5
GREATEST
 SNOW DEPTH        12   02/03                         13  02/18
                        02/05                             02/17
                        02/04
 24 HR TOTAL     10.5   02/01 TO 02/01

DEGREE_DAYS
HEATING TOTAL    1474              1093     381     1467
 SINCE 7/1       5446              5002     444     5892
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    35/010    DATE  02/01
HIGHEST GUST SPEED/DIRECTION    43/340    DATE  02/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               17     SLEET                      1
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                      8

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

RECORDS...

MONTHLY...
SECOND COLDEST MONTHLY AVERAGE TEMPERATURE FOR FEBRUARY WITH 12.1.
  ...COLDEST FEBRUARY AVERAGE TEMPERATURE...1936...10.2 DEGREES.

DAILY...
FEB 19...SET RECORD FOR COLDEST HIGH TEMPERATURE WITH 4 ABOVE...
                                 ...OLD RECORD 7 ABOVE IN 1959.
FEB 23...SET RECORD FOR COLDEST HIGH TEMPERATURE WITH 9 ABOVE...
                                ...OLD RECORD 17 ABOVE IN 1934.
FEB 26...SET RECORD FOR LOW TEMPERATURE WITH -8...
                   ...OLD RECORD -6 SET IN 1963 AND TIED IN 1994.
FEB 27...TIED RECORD FOR LOW TEMPERATURE OF -15 SET IN 1994.
FEB 27...SET RECORD FOR COLDEST HIGH TEMPERATURE WITH 12 ABOVE...
                                   ...OLD RECORD 15 ABOVE IN 2014.
FEB 28...SET RECORD FOR LOW TEMPERATURE WITH -16...
                                         ...OLD RECORD -7 IN 1962.

$$







000
CXUS53 KLOT 011548
CLMORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CST SUN MAR 1 2015

...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              75   02/27/1976
 LOW              -21   02/09/1899

HIGHEST            41   02/07        35       6       49  02/20
LOWEST            -10   02/28        19     -29       -8  02/11

AVG. MAXIMUM     23.4              35.3   -11.9     25.7
AVG. MINIMUM      5.7              20.1   -14.4      8.9
MEAN             14.6R             27.7   -13.1     17.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     24              10.3    13.7       23
DAYS MIN <= 32     28              24.0     4.0       27
DAYS MIN <= 0       9               1.7     7.3        7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.98   1881
 MINIMUM         0.06   1877

TOTALS           1.45              1.79   -0.34     2.48

DAILY AVG.       0.05              0.06   -0.01     0.09
DAYS >= .01        11               8.8     2.2        7
DAYS >= .10         3               4.4    -1.4        4
DAYS >= .50         1               0.9     0.1        1
DAYS >= 1.00        0               0.3    -0.3        1
GREATEST
 24 HR. TOTAL    0.87   02/01 TO 02/01

SNOWFALL (INCHES)
RECORDS
 TOTAL           29.0   2011

TOTALS           26.8               9.1    17.7     19.5

SINCE 7/1        43.6              29.8    13.8     68.3
SNOWDEPTH AVG.      8                 3       5        8
DAYS >= 1.0         5               2.7     2.3        5
GREATEST
 SNOW DEPTH        18   02/02                         14  02/18
 24 HR TOTAL     16.2   02/01 TO 02/01

DEGREE_DAYS
HEATING TOTAL    1405              1044     361     1328
 SINCE 7/1       5180              4734     446     5415
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.8
HIGHEST WIND SPEED/DIRECTION    38/330    DATE  02/14
HIGHEST GUST SPEED/DIRECTION    48/340    DATE  02/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                2     SNOW                       3
LIGHT SNOW               19     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      2
HAZE                      7

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

RECORDS...

MONTHLY...
TIED FEBRUARY 1875 FOR COLDEST FEBRUARY MONTHLY AVERAGE.
THIRD SNOWIEST FEBRUARY...26.8.....FEB 2011 HAD 29.0...
                                   FEB 1896 HAD 27.8.
DAILY RECORDS...
FEB 1...SET RECORD FOR GREATEST PRECIP FOR THE DAY...0.87...
                                    OLD RECORD 0.74 IN 2011.
FEB 1...SET RECORD FOR GREATEST SNOWFALL FOR THE DAY...16.2...
                                 ...OLD RECORD 13.6 IN 2011.
FEB 19...SET RECORD FOR LOW MINIMUM WITH -8....
                                    ...OLD RECORD -7 IN 1936.
FEB 19...SET RECORD FOR COLDEST HIGH WITH 4 ABOVE...
                                ...OLD RECORD 9 ABOVE IN 1936.
FEB 28...SET RECORD LOW MINIMUM.WITH -10...
                                   ...OLD RECORD 0 IN 1884

$$






000
CXUS53 KLOT 011548
CLMORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CST SUN MAR 1 2015

...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              75   02/27/1976
 LOW              -21   02/09/1899

HIGHEST            41   02/07        35       6       49  02/20
LOWEST            -10   02/28        19     -29       -8  02/11

AVG. MAXIMUM     23.4              35.3   -11.9     25.7
AVG. MINIMUM      5.7              20.1   -14.4      8.9
MEAN             14.6R             27.7   -13.1     17.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     24              10.3    13.7       23
DAYS MIN <= 32     28              24.0     4.0       27
DAYS MIN <= 0       9               1.7     7.3        7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.98   1881
 MINIMUM         0.06   1877

TOTALS           1.45              1.79   -0.34     2.48

DAILY AVG.       0.05              0.06   -0.01     0.09
DAYS >= .01        11               8.8     2.2        7
DAYS >= .10         3               4.4    -1.4        4
DAYS >= .50         1               0.9     0.1        1
DAYS >= 1.00        0               0.3    -0.3        1
GREATEST
 24 HR. TOTAL    0.87   02/01 TO 02/01

SNOWFALL (INCHES)
RECORDS
 TOTAL           29.0   2011

TOTALS           26.8               9.1    17.7     19.5

SINCE 7/1        43.6              29.8    13.8     68.3
SNOWDEPTH AVG.      8                 3       5        8
DAYS >= 1.0         5               2.7     2.3        5
GREATEST
 SNOW DEPTH        18   02/02                         14  02/18
 24 HR TOTAL     16.2   02/01 TO 02/01

DEGREE_DAYS
HEATING TOTAL    1405              1044     361     1328
 SINCE 7/1       5180              4734     446     5415
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.8
HIGHEST WIND SPEED/DIRECTION    38/330    DATE  02/14
HIGHEST GUST SPEED/DIRECTION    48/340    DATE  02/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                2     SNOW                       3
LIGHT SNOW               19     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      2
HAZE                      7

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

RECORDS...

MONTHLY...
TIED FEBRUARY 1875 FOR COLDEST FEBRUARY MONTHLY AVERAGE.
THIRD SNOWIEST FEBRUARY...26.8.....FEB 2011 HAD 29.0...
                                   FEB 1896 HAD 27.8.
DAILY RECORDS...
FEB 1...SET RECORD FOR GREATEST PRECIP FOR THE DAY...0.87...
                                    OLD RECORD 0.74 IN 2011.
FEB 1...SET RECORD FOR GREATEST SNOWFALL FOR THE DAY...16.2...
                                 ...OLD RECORD 13.6 IN 2011.
FEB 19...SET RECORD FOR LOW MINIMUM WITH -8....
                                    ...OLD RECORD -7 IN 1936.
FEB 19...SET RECORD FOR COLDEST HIGH WITH 4 ABOVE...
                                ...OLD RECORD 9 ABOVE IN 1936.
FEB 28...SET RECORD LOW MINIMUM.WITH -10...
                                   ...OLD RECORD 0 IN 1884

$$







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