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Home > Climate > NWS Lincoln > Climate Prediction > Local Temperature Outlook

Three-Month Temperature Outlook (Issued: May 2018)

National Outlook Local Outlook Background Information Questions and Feedback
DECATUR, IL
MACON County, Coop ID: 112193
Elevation: 620 ft.
Latitude: 39° 49' N Longitude: 88° 57' W 		NOAA Online Weather Data Help

Probability of Non-Exceedance Table
  JJA JAS ASO SON OND NDJ DJF JFM FMA MAM AMJ MJJ JJA
**R 1.0 0.9 1.0 1.0 1.0 1.0 1.0 1.0 0.9 1.0 1.0 0.9 1.0
99% 78.9 77.4 70.2 60.1 49.2 40.9 36.9 40.0 47.8 59.1 68.6 75.2 78.9
98% 78.4 76.8 69.7 59.6 48.5 40.1 36.1 39.3 47.2 58.4 68.0 74.7 78.4
97% 78.1 76.5 69.4 59.3 48.1 39.5 35.5 38.8 46.8 58.0 67.7 74.4 78.1
96% 77.8 76.2 69.1 59.0 47.8 39.1 35.1 38.4 46.6 57.7 67.4 74.2 77.8
95% 77.6 76.0 68.9 58.8 47.5 38.8 34.8 38.1 46.3 57.4 67.2 74.0 77.6
90% 76.9 75.3 68.2 58.1 46.7 37.7 33.7 37.1 45.5 56.6 66.5 73.4 76.9
80% 76.1 74.4 67.4 57.3 45.6 36.3 32.3 35.9 44.6 55.5 65.6 72.6 76.1
70% 75.5 73.7 66.8 56.7 44.9 35.3 31.3 35.0 43.9 54.8 64.9 72.1 75.5
60% 75.0 73.2 66.3 56.2 44.2 34.5 30.5 34.2 43.3 54.1 64.4 71.6 75.0
50% 74.5 72.7 65.8 55.7 43.6 33.7 29.7 33.5 42.7 53.5 63.9 71.2 74.5
40% 74.0 72.2 65.3 55.2 43.0 32.9 28.9 32.8 42.1 52.9 63.4 70.8 74.0
30% 73.5 71.7 64.8 54.7 42.3 32.1 28.1 32.0 41.5 52.2 62.9 70.3 73.5
20% 72.9 71.0 64.2 54.1 41.6 31.1 27.1 31.1 40.8 51.5 62.2 69.8 72.9
10% 72.1 70.1 63.4 53.3 40.5 29.7 25.7 29.9 39.9 50.4 61.3 69.0 72.1
5% 71.4 69.4 62.7 52.6 39.7 28.6 24.6 28.9 39.1 49.6 60.6 68.4 71.4
4% 71.2 69.2 62.5 52.4 39.4 28.3 24.3 28.6 38.8 49.3 60.4 68.2 71.2
3% 70.9 68.9 62.2 52.1 39.1 27.9 23.9 28.2 38.6 49.0 60.1 68.0 70.9
2% 70.6 68.6 61.9 51.8 38.7 27.3 23.3 27.7 38.2 48.6 59.8 67.7 70.6
1% 70.1 68.0 61.4 51.3 38.0 26.5 22.5 27.0 37.6 47.9 59.2 67.2 70.1
*Mean 74.5 72.7 65.8 55.7 43.6 33.7 29.7 33.5 42.7 53.5 63.9 71.2 74.5
StDev 1.9 2.0 1.9 1.9 2.4 3.1 3.1 2.8 2.2 2.4 2.0 1.7 1.9

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
Table Text Only

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Probability of Exceedance
Probability of Exceedance 		Three Category Calendar
Three Category Calendar
Lincoln Weather Forecast Office
1362 State Route 10
Lincoln, IL 62656
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