Weather History for Decatur, IL

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Sunday, July 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F 76 °F  
Max Temperature 79 °F 87 °F 99 °F (2011)
Min Temperature 67 °F 65 °F 54 °F (2007)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 14 17  
Since 1 July heating degree days 0 0  
Cooling Degree Days 8 11  
Month to date cooling degree days 226 231  
Year to date cooling degree days 580 547  
Since 1 June cooling degree days 468 460  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 86    
Maximum Humidity 97    
Minimum Humidity 74    
Precipitation  
Precipitation 0.58 in 0.13 in 1.61 in (2008)
Month to date precipitation 2.44 2.68  
Year to date precipitation 25.70 21.48  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 5 mph (SE)    
Max Wind Speed 16 mph    
Max Gust Speed 18 mph    
Visibility 4 miles    
Events Fog , Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jul. 21, 2013 Rise Set
Actual Time 5:44 AM CDT 8:18 PM CDT
Civil Twilight 5:13 AM CDT 8:49 PM CDT
Nautical Twilight 4:34 AM CDT 9:28 PM CDT
Astronomical Twilight 3:51 AM CDT 10:11 PM CDT
Moon 7:16 PM CDT (7/21) 4:30 AM CDT (7/21)
Length of Visible Light 15h 36m
Length of Day
14h 33m
Waxing Gibbous, 98% of the Moon is Illuminated
Jul 21
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 71.1 °F 68.0 °F 90% 29.92 in 7.0 mi SSW 4.6 mph - N/A   Clear
1:54 AM 70.0 °F 68.0 °F 93% 29.91 in 6.0 mi Calm Calm - N/A   Clear
2:54 AM 70.0 °F 68.0 °F 93% 29.92 in 7.0 mi Calm Calm - N/A   Clear
3:54 AM 69.1 °F 66.0 °F 90% 29.90 in 5.0 mi Calm Calm - N/A   Clear
4:09 AM 68.0 °F 66.2 °F 94% 29.93 in 1.8 mi Calm Calm - N/A   Clear
4:13 AM 66.2 °F 64.4 °F 94% 29.92 in 0.8 mi Calm Calm - N/A   Mist
4:27 AM 68.0 °F 64.4 °F 88% 29.92 in 1.0 mi Calm Calm - N/A   Mist
4:32 AM 66.2 °F 64.4 °F 94% 29.93 in 0.2 mi Calm Calm - N/A Fog Fog
4:46 AM 68.0 °F 64.4 °F 88% 29.93 in 1.0 mi SSW 3.5 mph - N/A   Mist
4:49 AM 68.0 °F 66.2 °F 94% 29.93 in 3.0 mi South 3.5 mph - N/A   Overcast
4:54 AM 68.0 °F 66.0 °F 93% 29.92 in 5.0 mi South 6.9 mph - N/A   Overcast
5:26 AM 69.8 °F 66.2 °F 88% 29.94 in 3.0 mi South 4.6 mph - N/A   Scattered Clouds
5:28 AM 69.8 °F 66.2 °F 88% 29.94 in 2.5 mi South 3.5 mph - N/A   Mostly Cloudy
5:37 AM 68.0 °F 66.2 °F 94% 29.94 in 1.0 mi Calm Calm - N/A   Mist
5:44 AM 68.0 °F 66.2 °F 94% 29.94 in 2.0 mi Calm Calm - N/A   Scattered Clouds
5:51 AM 68.0 °F 66.2 °F 94% 29.94 in 1.0 mi SSW 3.5 mph - N/A   Mist
5:54 AM 68.0 °F 66.0 °F 93% 29.93 in 1.0 mi Calm Calm - N/A   Mist
6:01 AM 68.0 °F 66.2 °F 94% 29.94 in 2.0 mi South 4.6 mph - N/A   Partly Cloudy
6:10 AM 68.0 °F 66.2 °F 94% 29.95 in 3.0 mi South 4.6 mph - N/A   Scattered Clouds
6:35 AM 69.8 °F 66.2 °F 88% 29.95 in 3.0 mi South 4.6 mph - N/A   Mostly Cloudy
6:43 AM 69.8 °F 66.2 °F 88% 29.95 in 1.8 mi SSE 5.8 mph - N/A   Mostly Cloudy
6:54 AM 69.1 °F 66.9 °F 93% 29.94 in 1.2 mi South 4.6 mph - N/A   Overcast
7:02 AM 69.8 °F 66.2 °F 88% 29.96 in 0.2 mi South 8.1 mph - N/A Fog Fog
7:23 AM 69.8 °F 66.2 °F 88% 29.96 in 0.5 mi South 4.6 mph - N/A Fog Fog
7:54 AM 70.0 °F 68.0 °F 93% 29.95 in 1.2 mi Calm Calm - N/A   Overcast
8:15 AM 69.8 °F 68.0 °F 94% 29.97 in 2.5 mi SSE 4.6 mph - N/A   Overcast
8:40 AM 71.6 °F 69.8 °F 94% 29.96 in 1.5 mi ESE 4.6 mph - N/A   Overcast
8:54 AM 71.1 °F 68.0 °F 90% 29.96 in 1.2 mi ESE 4.6 mph - N/A   Overcast
9:07 AM 71.6 °F 69.8 °F 94% 29.96 in 3.0 mi SE 4.6 mph - N/A   Overcast
9:54 AM 73.0 °F 69.1 °F 87% 29.96 in 4.0 mi ESE 4.6 mph - N/A   Overcast
10:54 AM 73.0 °F 69.1 °F 87% 29.96 in 3.0 mi SSE 4.6 mph - N/A   Overcast
11:54 AM 73.9 °F 70.0 °F 87% 29.96 in 3.0 mi SE 6.9 mph - N/A   Overcast
12:05 PM 73.4 °F 69.8 °F 88% 29.97 in 2.5 mi SE 6.9 mph - N/A   Overcast
12:51 PM 75.2 °F 69.8 °F 83% 29.96 in 3.0 mi ESE 5.8 mph - N/A   Haze
12:54 PM 75.0 °F 69.1 °F 82% 29.94 in 3.0 mi SE 6.9 mph - N/A   Haze
1:19 PM 75.2 °F 69.8 °F 83% 29.96 in 4.0 mi ESE 5.8 mph - N/A   Haze
1:40 PM 75.2 °F 69.8 °F 83% 29.95 in 4.0 mi East 5.8 mph - N/A   Haze
1:54 PM 75.9 °F 70.0 °F 82% 29.93 in 5.0 mi ESE 6.9 mph - N/A   Haze
2:54 PM 78.1 °F 70.0 °F 76% 29.92 in 7.0 mi SE 5.8 mph - N/A   Clear
3:54 PM 79.0 °F 70.0 °F 74% 29.91 in 7.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
4:11 PM 78.8 °F 71.6 °F 78% 29.91 in 8.0 mi SSE 5.8 mph - N/A   Scattered Clouds
4:54 PM 79.0 °F 70.0 °F 74% 29.89 in 8.0 mi SSE 4.6 mph - N/A   Clear
5:54 PM 79.0 °F 71.1 °F 77% 29.88 in 7.0 mi SSE 4.6 mph - N/A   Clear
6:54 PM 79.0 °F 71.1 °F 77% 29.86 in 7.0 mi SSE 5.8 mph - N/A   Partly Cloudy
7:44 PM 78.8 °F 71.6 °F 78% 29.88 in 6.0 mi Calm Calm - N/A   Haze
7:54 PM 78.1 °F 71.1 °F 79% 29.87 in 6.0 mi Calm Calm - N/A   Haze
8:10 PM 78.8 °F 71.6 °F 78% 29.89 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
8:54 PM 75.9 °F 71.1 °F 85% 29.87 in 7.0 mi South 8.1 mph - N/A   Overcast
9:06 PM 73.4 °F 69.8 °F 88% 29.89 in 1.8 mi SSE 10.4 mph - 0.13 in Rain Heavy Rain
9:26 PM 69.8 °F 66.2 °F 88% 29.89 in 2.0 mi ENE 13.8 mph - 0.44 in Rain Rain
9:35 PM 71.6 °F 66.2 °F 83% 29.90 in 7.0 mi ENE 10.4 mph - 0.44 in Rain Light Rain
9:54 PM 69.1 °F 66.0 °F 90% 29.88 in 10.0 mi ENE 13.8 mph - 0.44 in   Overcast
10:02 PM 69.8 °F 64.4 °F 83% 29.89 in 10.0 mi ENE 16.1 mph - N/A Thunderstorm Thunderstorm
10:19 PM 69.8 °F 64.4 °F 83% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
10:54 PM 68.0 °F 64.0 °F 87% 29.88 in 10.0 mi NNE 9.2 mph - N/A   Overcast
11:15 PM 68.0 °F 64.4 °F 88% 29.89 in 9.0 mi NNE 10.4 mph - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
11:54 PM 69.1 °F 66.0 °F 90% 29.87 in 7.0 mi North 6.9 mph - 0.01 in Rain , Thunderstorm Light Rain