Weather History for Decatur, IL

Change the Weather History Date:

Monday, September 9, 2013

  Actual Average Record
Temperature  
Mean Temperature 82 °F 69 °F  
Max Temperature 96 °F 81 °F 96 °F (2013)
Min Temperature 67 °F 57 °F 46 °F (1998)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 3  
Since 1 July heating degree days 10 9  
Cooling Degree Days 17 5  
Month to date cooling degree days 83 53  
Year to date cooling degree days 955 971  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 66    
Maximum Humidity 93    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.12 in 0.73 in (2001)
Month to date precipitation T 1.13  
Year to date precipitation 26.37 27.44  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 6 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 09, 2013 Rise Set
Actual Time 6:31 AM CDT 7:13 PM CDT
Civil Twilight 6:03 AM CDT 7:40 PM CDT
Nautical Twilight 5:31 AM CDT 8:12 PM CDT
Astronomical Twilight 4:58 AM CDT 8:46 PM CDT
Moon 10:52 AM CDT (9/9) 9:30 PM CDT (9/9)
Length of Visible Light 13h 36m
Length of Day
12h 42m
Waxing Crescent, 19% of the Moon is Illuminated
Sep 9
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 69.1 °F - 66.0 °F 90% 29.94 in 7.0 mi Calm Calm - N/A   Clear
1:54 AM 68.0 °F - 64.9 °F 90% 29.94 in 5.0 mi Calm Calm - N/A   Clear
2:54 AM 68.0 °F - 64.9 °F 90% 29.93 in 5.0 mi SE 3.5 mph - N/A   Partly Cloudy
3:54 AM 71.1 °F - 68.0 °F 90% 29.94 in 4.0 mi SSE 4.6 mph - N/A   Clear
4:54 AM 71.1 °F - 68.0 °F 90% 29.93 in 3.0 mi SSE 5.8 mph - N/A   Clear
5:54 AM 72.0 °F - 69.1 °F 91% 29.93 in 3.0 mi South 5.8 mph - N/A   Clear
6:38 AM 71.6 °F - 69.8 °F 94% 29.95 in 2.0 mi South 5.8 mph - N/A   Partly Cloudy
6:54 AM 73.0 °F - 70.0 °F 90% 29.94 in 1.8 mi South 5.8 mph - N/A   Mostly Cloudy
7:19 AM 73.4 °F - 69.8 °F 88% 29.95 in 3.0 mi South 6.9 mph - N/A   Scattered Clouds
7:54 AM 73.9 °F - 70.0 °F 87% 29.94 in 3.0 mi South 6.9 mph - N/A   Partly Cloudy
8:54 AM 78.1 °F - 71.1 °F 79% 29.94 in 4.0 mi SW 12.7 mph - N/A   Haze
9:54 AM 82.0 °F 86.3 °F 71.1 °F 69% 29.94 in 5.0 mi SW 12.7 mph - N/A   Haze
10:54 AM 84.9 °F 90.1 °F 71.1 °F 63% 29.95 in 6.0 mi SW 11.5 mph - N/A   Haze
11:54 AM 89.1 °F 94.1 °F 70.0 °F 53% 29.93 in 7.0 mi SW 10.4 mph - N/A   Clear
12:54 PM 91.9 °F 96.9 °F 69.1 °F 47% 29.91 in 8.0 mi WSW 15.0 mph - N/A   Clear
1:54 PM 95.0 °F 99.5 °F 68.0 °F 41% 29.90 in 8.0 mi SW 8.1 mph - N/A   Clear
2:54 PM 95.0 °F 100.7 °F 69.1 °F 43% 29.90 in 10.0 mi SW 12.7 mph - N/A   Clear
3:54 PM 96.1 °F 101.0 °F 68.0 °F 40% 29.89 in 10.0 mi SW 15.0 mph - N/A   Clear
4:54 PM 95.0 °F 97.9 °F 66.0 °F 38% 29.89 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Clear
5:54 PM 91.9 °F 96.9 °F 69.1 °F 47% 29.90 in 9.0 mi SW 11.5 mph - N/A   Clear
6:54 PM 87.1 °F 91.3 °F 69.1 °F 55% 29.91 in 9.0 mi SW 6.9 mph - N/A   Clear
7:54 PM 82.9 °F 85.8 °F 68.0 °F 60% 29.92 in 9.0 mi SSW 5.8 mph - N/A   Clear
8:54 PM 82.0 °F 85.9 °F 70.0 °F 67% 29.94 in 9.0 mi South 6.9 mph - N/A   Clear
9:54 PM 82.9 °F 86.5 °F 69.1 °F 63% 29.94 in 8.0 mi South 9.2 mph - N/A   Clear
10:54 PM 82.9 °F 87.0 °F 70.0 °F 65% 29.96 in 8.0 mi SSW 11.5 mph - N/A   Clear
11:54 PM 80.1 °F 83.6 °F 71.1 °F 74% 29.96 in 6.0 mi SSW 9.2 mph - N/A   Haze