Weather History for Decatur, IL

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Tuesday, May 20, 2014

  Actual Average Record
Temperature  
Mean Temperature 74 °F 64 °F  
Max Temperature 84 °F 75 °F 91 °F (2012)
Min Temperature 63 °F 53 °F 36 °F (2002)
Degree Days  
Heating Degree Days 0 4  
Month to date heating degree days 129 109  
Since 1 July heating degree days 6151 5472  
Cooling Degree Days 9 3  
Month to date cooling degree days 55 33  
Year to date cooling degree days 56 47  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 71    
Maximum Humidity 90    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in 0.14 in 1.09 in (2013)
Month to date precipitation 2.56 2.96  
Year to date precipitation 9.62 13.12  
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 14 mph (SSW)    
Max Wind Speed 23 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

May. 20, 2014 Rise Set
Actual Time 5:36 AM CDT 8:08 PM CDT
Civil Twilight 5:05 AM CDT 8:39 PM CDT
Nautical Twilight 4:26 AM CDT 9:17 PM CDT
Astronomical Twilight 3:43 AM CDT 10:01 PM CDT
Moon 12:38 AM CDT (5/20) 11:42 AM CDT (5/20)
Length of Visible Light 15h 33m
Length of Day
14h 31m
Waning Gibbous, 60% of the Moon is Illuminated
May 20
Waning Gibbous
May 21
Last Quarter
May 28
New
Jun 5
First Quarter
Jun 12
Full

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
1:54 AM 64.0 °F - 57.0 °F 78% 29.96 in 10.0 mi SSE 11.5 mph - N/A   Overcast
2:54 AM 64.0 °F - 57.9 °F 80% 29.94 in 10.0 mi SSE 11.5 mph - N/A   Scattered Clouds
3:54 AM 64.0 °F - 59.0 °F 84% 29.93 in 10.0 mi South 12.7 mph - N/A   Clear
4:54 AM 63.0 °F - 59.0 °F 87% 29.93 in 10.0 mi South 12.7 mph - N/A   Scattered Clouds
5:54 AM 63.0 °F - 59.0 °F 87% 29.93 in 10.0 mi South 11.5 mph - N/A   Clear
6:54 AM 64.9 °F - 60.1 °F 84% 29.94 in 10.0 mi SSW 11.5 mph - N/A   Clear
7:54 AM 68.0 °F - 60.1 °F 76% 29.94 in 10.0 mi SSW 15.0 mph - N/A   Clear
8:54 AM 72.0 °F - 61.0 °F 68% 29.94 in 10.0 mi SSW 18.4 mph 25.3 mph N/A   Clear
9:54 AM 75.0 °F - 62.1 °F 64% 29.93 in 10.0 mi SSW 20.7 mph 26.5 mph N/A   Clear
10:54 AM 78.1 °F - 63.0 °F 60% 29.92 in 10.0 mi WSW 17.3 mph - N/A   Clear
11:54 AM 80.1 °F 81.7 °F 64.0 °F 58% 29.91 in 10.0 mi WSW 12.7 mph 25.3 mph N/A   Partly Cloudy
12:54 PM 81.0 °F 82.5 °F 64.0 °F 56% 29.90 in 10.0 mi SW 9.2 mph - N/A   Clear
1:54 PM 82.0 °F 83.8 °F 64.9 °F 56% 29.89 in 10.0 mi SSW 15.0 mph - N/A   Scattered Clouds
2:54 PM 84.0 °F 85.8 °F 64.9 °F 53% 29.88 in 10.0 mi SSW 16.1 mph 24.2 mph N/A   Scattered Clouds
3:54 PM 82.9 °F 84.6 °F 64.9 °F 54% 29.87 in 10.0 mi SSW 17.3 mph 21.9 mph N/A   Mostly Cloudy
4:54 PM 82.9 °F 84.6 °F 64.9 °F 54% 29.86 in 10.0 mi South 13.8 mph - N/A   Scattered Clouds
5:54 PM 82.0 °F 83.8 °F 64.9 °F 56% 29.85 in 10.0 mi South 15.0 mph - N/A   Partly Cloudy
6:54 PM 80.1 °F 81.9 °F 64.9 °F 60% 29.85 in 10.0 mi South 12.7 mph - N/A   Overcast
7:54 PM 79.0 °F - 64.0 °F 60% 29.86 in 10.0 mi South 13.8 mph - N/A   Overcast
8:54 PM 77.0 °F - 63.0 °F 62% 29.86 in 10.0 mi South 11.5 mph - N/A   Overcast
9:54 PM 75.9 °F - 63.0 °F 64% 29.87 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
10:54 PM 73.9 °F - 63.0 °F 68% 29.88 in 10.0 mi South 12.7 mph - N/A   Scattered Clouds
11:54 PM 73.0 °F - 64.0 °F 73% 29.86 in 10.0 mi South 12.7 mph - N/A   Scattered Clouds