Weather History for Decatur, IL

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Friday, December 30, 2011

  Actual Average Record
Temperature  
Mean Temperature 43 °F 28 °F  
Max Temperature 48 °F 36 °F 60 °F (2002)
Min Temperature 38 °F 20 °F -106 °F (1997)
Degree Days  
Heating Degree Days 22 37  
Month to date heating degree days 836 1021  
Since 1 July heating degree days 1753 2102  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1327 1048  
Moisture  
Dew Point 41 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 76    
Precipitation  
Precipitation 0.18 in 0.10 in 0.18 in (2011)
Month to date precipitation 2.25 2.45  
Year to date precipitation 34.74 38.36  
Sea Level Pressure  
Sea Level Pressure 29.64 in    
Wind  
Wind Speed 16 mph (WSW)    
Max Wind Speed 26 mph    
Max Gust Speed 36 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 30, 2011 Rise Set
Actual Time 7:16 AM CST 4:39 PM CST
Civil Twilight 6:46 AM CST 5:09 PM CST
Nautical Twilight 6:12 AM CST 5:43 PM CST
Astronomical Twilight 5:39 AM CST 6:16 PM CST
Moon 10:36 AM CST (12/30) 11:14 PM CST (12/30)
Length of Visible Light 10h 23m
Length of Day
9h 23m
Waxing Crescent, 36% of the Moon is Illuminated
Dec 30
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 46.9 °F - 42.1 °F 83% 29.70 in 10.0 mi SSW 13.8 mph - 0.00 in   Overcast
1:54 AM 46.9 °F - 42.1 °F 83% 29.68 in 10.0 mi South 12.7 mph - 0.00 in   Overcast
2:54 AM 46.9 °F - 43.0 °F 86% 29.68 in 10.0 mi SSW 12.7 mph - 0.00 in   Scattered Clouds
3:54 AM 46.9 °F - 44.1 °F 90% 29.62 in 10.0 mi South 13.8 mph - N/A   Overcast
4:54 AM 46.0 °F 39.0 °F 44.1 °F 93% 29.61 in 10.0 mi South 17.3 mph 24.2 mph 0.00 in   Partly Cloudy
5:54 AM 46.4 °F 40.1 °F 44.6 °F 93% 29.53 in 10.0 mi SSE 15.0 mph 27.6 mph N/A   Partly Cloudy
6:54 AM 46.4 °F 39.5 °F 44.6 °F 93% 29.55 in 10.0 mi South 17.3 mph 21.9 mph N/A   Overcast
7:54 AM 46.9 °F - 45.0 °F 93% 29.54 in 10.0 mi SSW 15.0 mph - N/A   Overcast
8:54 AM 48.2 °F - 44.6 °F 87% 29.52 in 10.0 mi SSW 17.3 mph 25.3 mph N/A   Overcast
9:54 AM 48.0 °F - 45.0 °F 89% 29.52 in 10.0 mi SSW 15.0 mph 23.0 mph N/A   Overcast
10:54 AM 46.9 °F - 45.0 °F 93% 29.52 in 5.0 mi WSW 17.3 mph 25.3 mph 0.00 in Rain Light Rain
11:54 AM 46.0 °F 40.2 °F 42.1 °F 86% 29.51 in 10.0 mi West 12.7 mph 21.9 mph 0.01 in Rain Light Rain
12:54 PM 44.6 °F 37.8 °F 42.8 °F 93% 29.51 in 4.0 mi West 15.0 mph 26.5 mph N/A Rain Light Rain
1:18 PM 44.6 °F 38.1 °F 42.8 °F 93% 29.52 in 4.0 mi West 13.8 mph - 0.02 in Rain Light Rain
1:54 PM 45.0 °F 37.9 °F 43.0 °F 93% 29.54 in 5.0 mi West 16.1 mph 26.5 mph 0.05 in Rain Light Rain
2:01 PM 44.6 °F 37.4 °F 42.8 °F 93% 29.53 in 5.0 mi West 16.1 mph 27.6 mph 0.01 in Rain Rain
2:54 PM 44.1 °F 36.2 °F 41.0 °F 89% 29.57 in 10.0 mi West 18.4 mph 25.3 mph 0.02 in   Overcast
3:54 PM 42.1 °F 33.3 °F 39.9 °F 92% 29.62 in 9.0 mi West 19.6 mph 26.5 mph 0.02 in Rain Light Rain
4:39 PM 41.0 °F 31.4 °F 39.2 °F 93% 29.64 in 10.0 mi West 21.9 mph 27.6 mph 0.02 in Rain Light Rain
4:54 PM 41.0 °F 32.8 °F 39.0 °F 93% 29.66 in 10.0 mi West 16.1 mph 26.5 mph 0.03 in Rain Light Rain
5:54 PM 39.9 °F 31.4 °F 37.9 °F 93% 29.70 in 9.0 mi West 16.1 mph 33.4 mph 0.02 in Rain Light Rain
6:54 PM 39.0 °F 30.3 °F 37.0 °F 93% 29.75 in 10.0 mi West 16.1 mph 32.2 mph 0.01 in Rain Light Rain
7:54 PM 39.0 °F 30.3 °F 37.0 °F 93% 29.78 in 10.0 mi WNW 16.1 mph 27.6 mph 0.01 in   Overcast
8:54 PM 39.0 °F 29.9 °F 37.0 °F 93% 29.81 in 10.0 mi WNW 17.3 mph 29.9 mph N/A   Overcast
9:54 PM 39.0 °F 29.9 °F 37.0 °F 93% 29.84 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Overcast
10:54 PM 37.9 °F 28.9 °F 37.0 °F 97% 29.86 in 10.0 mi NW 16.1 mph 23.0 mph N/A   Overcast
11:54 PM 37.9 °F 30.0 °F 37.0 °F 97% 29.88 in 8.0 mi NW 12.7 mph 23.0 mph N/A   Overcast