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Home > Climate > NWS Des Moines > Climate Prediction > Local Temperature Outlook

Three-Month Temperature Outlook (Issued: May 2013)

National Outlook Local Outlook Background Information Questions and Feedback
DES MOINES AP, IA
POLK County, Coop ID: 132203
Elevation: 957 ft.
Latitude: 41° 32' N Longitude: 93° 39' W 		NOAA Online Weather Data Help

Probability of Exceedance Table
  JJA JAS ASO SON OND NDJ DJF JFM FMA MAM AMJ MJJ JJA
**R 0.9 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.9 0.9
99% 68.7 67.6 59.8 47.6 32.4 20.4 15.4 20.7 32.5 44.6 56.5 65.7 68.7
98% 69.3 68.1 60.3 48.2 33.1 21.4 16.5 21.7 33.2 45.3 57.1 66.2 69.3
97% 69.7 68.4 60.6 48.6 33.6 22.0 17.2 22.3 33.7 45.7 57.5 66.5 69.7
96% 69.9 68.7 60.8 48.8 34.0 22.5 17.7 22.8 34.1 46.0 57.7 66.7 69.9
95% 70.1 68.9 61.0 49.0 34.3 22.9 18.2 23.2 34.4 46.3 57.9 66.9 70.1
90% 70.9 69.6 61.7 49.8 35.4 24.3 19.6 24.6 35.5 47.3 58.7 67.5 70.9
80% 71.8 70.4 62.5 50.7 36.7 25.9 21.4 26.2 36.8 48.4 59.6 68.3 71.8
70% 72.5 71.0 63.1 51.4 37.6 27.1 22.7 27.4 37.7 49.2 60.3 68.8 72.5
60% 73.1 71.5 63.5 52.0 38.4 28.1 23.9 28.4 38.5 49.9 60.9 69.3 73.1
50% 73.6 72.0 64.0 52.5 39.1 29.0 24.9 29.3 39.2 50.6 61.4 69.7 73.6
40% 74.1 72.5 64.5 53.0 39.8 29.9 25.9 30.2 39.9 51.3 61.9 70.1 74.1
30% 74.7 73.0 64.9 53.6 40.6 30.9 27.1 31.2 40.7 52.0 62.5 70.6 74.7
20% 75.4 73.6 65.5 54.3 41.5 32.1 28.4 32.4 41.6 52.8 63.2 71.1 75.4
10% 76.3 74.4 66.3 55.2 42.8 33.7 30.2 34.0 42.9 53.9 64.1 71.9 76.3
5% 77.1 75.1 67.0 56.0 43.9 35.1 31.6 35.4 44.0 54.9 64.9 72.5 77.1
4% 77.3 75.3 67.2 56.2 44.2 35.5 32.1 35.8 44.3 55.2 65.1 72.7 77.3
3% 77.5 75.6 67.4 56.4 44.6 36.0 32.6 36.3 44.7 55.5 65.3 72.9 77.5
2% 77.9 75.9 67.7 56.8 45.1 36.6 33.3 36.9 45.2 55.9 65.7 73.2 77.9
1% 78.5 76.4 68.2 57.4 45.8 37.6 34.4 37.9 45.9 56.6 66.3 73.7 78.5
*Mean 73.6 72.0 64.0 52.5 39.1 29.0 24.9 29.3 39.2 50.6 61.4 69.7 73.6
StDev 2.1 1.9 1.8 2.1 2.9 3.7 4.1 3.7 2.9 2.6 2.1 1.7 2.1

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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Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
Tel: (515) 270-2614
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