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Home > Climate > NWS Grand Rapids > Climate Prediction > Local Temperature Outlook

Three-Month Temperature Outlook (Issued: September 2014)

National Outlook Local Outlook Background Information Questions and Feedback
GRAND RAPIDS INTL AP, MI
KENT County, Coop ID: 203333
Elevation: 803 ft.
Latitude: 42° 52' N Longitude: 85° 31' W
NOAA Online Weather Data Help

Probability of Exceedance Table
  OND NDJ DJF JFM FMA MAM AMJ MJJ JJA JAS ASO SON OND
**R 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
99% 34.6 24.8 19.8 22.5 31.1 41.4 53.1 61.9 65.9 65.0 57.5 47.1 34.4
98% 35.3 25.5 20.5 23.3 31.8 42.1 53.7 62.4 66.4 65.4 58.0 47.6 35.1
97% 35.7 26.0 21.0 23.7 32.2 42.5 54.1 62.7 66.7 65.7 58.3 47.9 35.5
96% 36.0 26.4 21.4 24.1 32.5 42.8 54.3 62.9 67.0 65.9 58.5 48.1 35.8
95% 36.2 26.7 21.7 24.4 32.8 43.1 54.5 63.1 67.2 66.0 58.7 48.3 36.0
90% 37.1 27.7 22.8 25.3 33.6 44.0 55.3 63.8 67.9 66.6 59.3 49.0 36.9
80% 38.1 28.9 24.1 26.5 34.7 45.1 56.2 64.6 68.7 67.2 60.1 49.8 37.9
70% 38.8 29.8 25.0 27.4 35.4 45.9 56.9 65.2 69.3 67.7 60.6 50.4 38.6
60% 39.4 30.6 25.8 28.1 36.1 46.6 57.5 65.6 69.8 68.1 61.1 50.8 39.2
50% 40.0 31.3 26.5 28.8 36.7 47.2 58.0 66.1 70.3 68.5 61.5 51.3 39.8
40% 40.6 32.0 27.2 29.5 37.3 47.8 58.5 66.6 70.8 68.9 61.9 51.8 40.4
30% 41.2 32.8 28.0 30.2 38.0 48.5 59.1 67.0 71.3 69.3 62.4 52.2 41.0
20% 41.9 33.7 28.9 31.1 38.7 49.3 59.8 67.6 71.9 69.8 62.9 52.8 41.7
10% 42.9 34.9 30.2 32.3 39.8 50.4 60.7 68.4 72.7 70.4 63.7 53.6 42.7
5% 43.8 35.9 31.3 33.2 40.6 51.3 61.5 69.1 73.4 71.0 64.3 54.3 43.6
4% 44.0 36.2 31.6 33.5 40.9 51.6 61.7 69.3 73.6 71.1 64.5 54.5 43.8
3% 44.3 36.6 32.0 33.9 41.2 51.9 61.9 69.5 73.9 71.3 64.7 54.7 44.1
2% 44.7 37.1 32.5 34.3 41.6 52.3 62.3 69.8 74.2 71.6 65.0 55.0 44.5
1% 45.4 37.8 33.2 35.1 42.3 53.0 62.9 70.3 74.7 72.0 65.5 55.5 45.2
*Mean 40.0 31.3 26.5 28.8 36.7 47.2 58.0 66.1 70.3 68.5 61.5 51.3 39.8
StDev 2.3 2.8 2.9 2.7 2.4 2.5 2.1 1.8 1.9 1.5 1.7 1.8 2.3

Color
Legend
Deviation from
Climatology
(deg F)
 < -2.5
 -2.0 thru -2.5
 -1.5 thru -2.0
 -1.0 thru -1.5
Color
Legend
Deviation from
Climatology
(deg F)
 -0.5 thru -1.0
 -0.5 > deg F < 0.5
 0.5 thru 1.0
 1.0 thru 1.5
Color
Legend
Deviation from
Climatology
(deg F)
 1.5 thru 2.0
 2.0 thru 2.5
 > 2.5
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Grand Rapids, MI 49512-4034
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