Weather History for Decatur, IL

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Monday, August 18, 2014

  Actual Average Record
Temperature  
Mean Temperature 74 °F 74 °F  
Max Temperature 83 °F 84 °F 91 °F (2011)
Min Temperature 65 °F 63 °F 51 °F (2012)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 3 18  
Since 1 July heating degree days 2 1  
Cooling Degree Days 9 9  
Month to date cooling degree days 112 166  
Year to date cooling degree days 716 815  
Since 1 June cooling degree days 571 728  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 67 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 65    
Precipitation  
Precipitation 0.00 in 0.14 in 1.33 in (2006)
Month to date precipitation 2.42 1.80  
Year to date precipitation 21.42 24.46  
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 4 mph (East)    
Max Wind Speed 9 mph    
Max Gust Speed 11 mph    
Visibility 5 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 18, 2014 Rise Set
Actual Time 6:10 AM CDT 7:47 PM CDT
Civil Twilight 5:41 AM CDT 8:16 PM CDT
Nautical Twilight 5:06 AM CDT 8:50 PM CDT
Astronomical Twilight 4:29 AM CDT 9:27 PM CDT
Moon 12:17 AM CDT (8/18) 2:50 PM CDT (8/18)
Length of Visible Light 14h 34m
Length of Day
13h 37m
Last Quarter, 38% of the Moon is Illuminated
Aug 18
Last Quarter
Aug 25
New
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 66.2 °F - 66.2 °F 100% 29.91 in 2.5 mi NE 5.8 mph - N/A   Clear
12:54 AM 66.9 °F - 66.0 °F 97% 29.90 in 2.5 mi NE 5.8 mph - N/A   Clear
1:54 AM 66.9 °F - 66.0 °F 97% 29.90 in 2.0 mi North 3.5 mph - N/A   Clear
2:15 AM 66.0 °F - 64.9 °F 96% 29.91 in 1.0 mi Calm Calm - N/A   Clear
2:30 AM 66.9 °F - 64.9 °F 93% 29.91 in 0.8 mi Calm Calm - N/A   Mist
2:51 AM 66.2 °F - 64.4 °F 94% 29.90 in 0.2 mi Calm Calm - N/A Fog Fog
2:54 AM 66.0 °F - 64.0 °F 93% 29.89 in 0.2 mi Calm Calm - N/A Fog Fog
3:02 AM 66.0 °F - 64.9 °F 96% 29.90 in 0.5 mi ENE 3.5 mph - N/A Fog Fog
3:14 AM 66.9 °F - 64.9 °F 93% 29.91 in 1.0 mi ENE 4.6 mph - N/A   Mist
3:22 AM 66.0 °F - 64.9 °F 96% 29.91 in 0.5 mi ENE 4.6 mph - N/A Fog Fog
3:32 AM 66.0 °F - 64.9 °F 96% 29.91 in 0.2 mi NE 4.6 mph - N/A Fog Fog
3:54 AM 66.0 °F - 66.0 °F 100% 29.89 in 0.2 mi NE 4.6 mph - N/A Fog Fog
4:54 AM 66.0 °F - 66.0 °F 100% 29.88 in 0.2 mi NE 5.8 mph - N/A Fog Fog
5:54 AM 66.9 °F - 66.0 °F 97% 29.88 in 0.2 mi NNE 4.6 mph - N/A Fog Fog
6:54 AM 66.9 °F - 66.0 °F 97% 29.89 in 0.2 mi NE 4.6 mph - N/A Fog Fog
7:54 AM 66.9 °F - 66.0 °F 97% 29.90 in 0.5 mi NE 4.6 mph - N/A Fog Fog
8:54 AM 66.9 °F - 66.0 °F 97% 29.90 in 0.5 mi Calm Calm - N/A Fog Fog
9:54 AM 68.0 °F - 66.9 °F 96% 29.90 in 1.0 mi ENE 4.6 mph - N/A   Overcast
10:25 AM 69.1 °F - 68.0 °F 96% 29.92 in 2.5 mi Calm Calm - N/A   Overcast
10:40 AM 69.1 °F - 66.9 °F 93% 29.92 in 3.0 mi East 3.5 mph - N/A   Overcast
10:54 AM 70.0 °F - 66.9 °F 90% 29.91 in 4.0 mi Calm Calm - N/A   Overcast
11:24 AM 72.0 °F - 68.0 °F 87% 29.92 in 6.0 mi East 3.5 mph - N/A   Overcast
11:54 AM 73.9 °F - 69.1 °F 85% 29.90 in 7.0 mi East 4.6 mph - N/A   Mostly Cloudy
12:14 PM 75.9 °F - 70.0 °F 82% 29.91 in 8.0 mi Variable 5.8 mph - N/A   Scattered Clouds
12:54 PM 78.1 °F - 70.0 °F 76% 29.89 in 10.0 mi ESE 6.9 mph - N/A   Partly Cloudy
1:36 PM 79.0 °F - 71.1 °F 77% 29.90 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
1:54 PM 79.0 °F - 69.1 °F 72% 29.88 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
2:18 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.88 in 10.0 mi SE 4.6 mph - N/A   Partly Cloudy
2:54 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.86 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
3:54 PM 81.0 °F 83.8 °F 68.0 °F 65% 29.84 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
4:54 PM 81.0 °F 84.1 °F 69.1 °F 67% 29.83 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
5:54 PM 82.0 °F 85.5 °F 69.1 °F 65% 29.82 in 10.0 mi SW 6.9 mph - N/A   Overcast
6:54 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.81 in 10.0 mi WSW 5.8 mph - N/A   Clear
7:54 PM 77.0 °F - 69.1 °F 76% 29.81 in 10.0 mi SSW 3.5 mph - N/A   Clear
8:54 PM 75.0 °F - 69.1 °F 82% 29.81 in 10.0 mi South 4.6 mph - N/A   Clear
9:54 PM 73.0 °F - 69.1 °F 87% 29.82 in 9.0 mi Calm Calm - N/A   Clear
11:54 PM 72.0 °F - 68.0 °F 87% 29.83 in 8.0 mi South 5.8 mph - N/A   Clear