Weather History for DeKalb, IL

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Thursday, February 21, 2013

  Actual Average (KARR) Record (KARR)
Temperature  
Mean Temperature 19 °F 27 °F  
Max Temperature 26 °F 36 °F 48 °F (2003)
Min Temperature 12 °F 18 °F 4 °F (2008)
Degree Days  
Heating Degree Days 46 38  
Month to date heating degree days 868  
Since 1 July heating degree days 4885  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 17 °F    
Average Humidity 84    
Maximum Humidity 89    
Minimum Humidity 79    
Precipitation  
Precipitation 0.01 in 0.06 in 0.13 in (2012)
Month to date precipitation 1.09  
Year to date precipitation 2.56  
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 8 mph (NE)    
Max Wind Speed 24 mph    
Max Gust Speed 31 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Feb. 21, 2013 Rise Set
Actual Time 6:41 AM CST 5:35 PM CST
Civil Twilight 6:13 AM CST 6:03 PM CST
Nautical Twilight 5:41 AM CST 6:36 PM CST
Astronomical Twilight 5:08 AM CST 7:08 PM CST
Moon 1:47 PM CST (2/21) 3:48 AM CST (2/21)
Length of Visible Light 11h 50m
Length of Day
10h 53m
Waxing Gibbous, 84% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 12.9 °F - 8.6 °F 83% 30.34 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 13.1 °F - 8.8 °F 83% 30.34 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 13.5 °F - 9.1 °F 83% 30.34 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 12.9 °F - 9.0 °F 84% 30.35 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 13.1 °F - 8.6 °F 82% 30.34 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 13.1 °F 7.1 °F 8.8 °F 83% 30.34 in 10.0 mi North 3.5 mph - N/A   Clear
2:15 AM 12.0 °F - 7.7 °F 83% 30.33 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 12.7 °F 6.7 °F 8.6 °F 84% 30.32 in 10.0 mi NNE 3.5 mph - N/A   Clear
2:55 AM 12.9 °F - 9.0 °F 84% 30.32 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 13.1 °F - 9.0 °F 84% 30.33 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 13.1 °F 5.4 °F 8.8 °F 83% 30.34 in 10.0 mi WNW 4.6 mph - N/A   Clear
3:55 AM 13.1 °F 5.4 °F 8.4 °F 82% 30.34 in 10.0 mi NW 4.6 mph - N/A   Clear
4:15 AM 12.2 °F 2.9 °F 7.7 °F 82% 30.36 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
4:35 AM 13.3 °F 7.3 °F 9.0 °F 83% 30.35 in 10.0 mi WNW 3.5 mph - N/A   Overcast
4:55 AM 14.0 °F 6.5 °F 8.6 °F 79% 30.34 in 10.0 mi NNW 4.6 mph - N/A   Overcast
5:15 AM 14.4 °F 5.5 °F 9.5 °F 81% 30.32 in 10.0 mi North 5.8 mph - N/A   Overcast
5:35 AM 15.8 °F 8.6 °F 10.4 °F 79% 30.32 in 10.0 mi NNE 4.6 mph - N/A   Overcast
5:55 AM 15.8 °F 7.2 °F 10.4 °F 79% 30.31 in 10.0 mi NNE 5.8 mph - N/A   Overcast
6:15 AM 16.0 °F 7.4 °F 11.7 °F 83% 30.32 in 10.0 mi NE 5.8 mph - N/A   Overcast
6:35 AM 16.7 °F 9.6 °F 12.7 °F 84% 30.34 in 10.0 mi NE 4.6 mph - N/A   Overcast
6:55 AM 17.4 °F 9.1 °F 13.5 °F 84% 30.34 in 10.0 mi NNE 5.8 mph - N/A   Overcast
7:15 AM 18.0 °F 12.7 °F 14.0 °F 84% 30.34 in 10.0 mi NNE 3.5 mph - N/A   Overcast
7:35 AM 18.7 °F 10.6 °F 14.9 °F 85% 30.35 in 10.0 mi NE 5.8 mph - N/A   Overcast
7:55 AM 19.6 °F 10.6 °F 16.0 °F 86% 30.34 in 10.0 mi NNE 6.9 mph - N/A   Overcast
8:15 AM 20.1 °F 8.1 °F 16.5 °F 86% 30.32 in 10.0 mi NNE 11.5 mph - N/A   Overcast
8:35 AM 20.8 °F 9.7 °F 17.4 °F 87% 30.32 in 10.0 mi NNE 10.4 mph - N/A   Overcast
8:55 AM 21.2 °F 10.9 °F 17.8 °F 87% 30.33 in 10.0 mi NNE 9.2 mph - N/A   Overcast
9:15 AM 21.7 °F 10.2 °F 18.3 °F 87% 30.32 in 10.0 mi NNE 11.5 mph - N/A   Overcast
9:35 AM 22.1 °F 12.8 °F 18.9 °F 87% 30.33 in 10.0 mi NNE 8.1 mph - N/A   Overcast
9:55 AM 22.8 °F 12.2 °F 19.4 °F 87% 30.33 in 10.0 mi NNE 10.4 mph - N/A   Overcast
10:15 AM 23.4 °F 13.5 °F 19.9 °F 87% 30.32 in 10.0 mi NNE 9.2 mph - N/A   Overcast
10:35 AM 23.9 °F 13.5 °F 20.3 °F 86% 30.32 in 10.0 mi NE 10.4 mph - N/A   Overcast
10:55 AM 24.8 °F 13.4 °F 21.2 °F 86% 30.30 in 10.0 mi NNE 12.7 mph - N/A   Overcast
11:15 AM 24.8 °F 13.4 °F 21.2 °F 86% 30.30 in 10.0 mi NE 12.7 mph - N/A   Overcast
11:35 AM 24.6 °F 12.2 °F 21.0 °F 86% 30.28 in 10.0 mi NE 15.0 mph - N/A   Overcast
11:55 AM 25.2 °F 12.4 °F 21.4 °F 86% 30.26 in 10.0 mi NE 16.1 mph - N/A   Overcast
12:15 PM 25.0 °F 13.1 °F 21.2 °F 86% 30.25 in 10.0 mi NE 13.8 mph - N/A   Overcast
12:35 PM 25.3 °F 14.1 °F 21.7 °F 86% 30.24 in 10.0 mi NE 12.7 mph - N/A   Overcast
12:55 PM 25.7 °F 15.1 °F 22.1 °F 86% 30.22 in 10.0 mi NE 11.5 mph - N/A   Overcast
1:15 PM 25.7 °F 13.5 °F 22.3 °F 87% 30.19 in 10.0 mi NE 15.0 mph 18.4 mph N/A   Overcast
1:35 PM 25.7 °F 13.5 °F 22.5 °F 88% 30.18 in 10.0 mi NE 15.0 mph 19.6 mph N/A   Overcast
1:55 PM 26.4 °F 15.0 °F 22.8 °F 86% 30.19 in 10.0 mi NE 13.8 mph - N/A   Overcast
2:15 PM 26.6 °F 13.8 °F 23.0 °F 86% 30.18 in 10.0 mi NE 17.3 mph - N/A   Overcast
2:35 PM 26.6 °F 14.7 °F 22.6 °F 85% 30.21 in 10.0 mi ENE 15.0 mph - N/A   Overcast
2:55 PM 26.6 °F 15.7 °F 22.8 °F 86% 30.20 in 10.0 mi NE 12.7 mph - N/A   Overcast
3:15 PM 26.6 °F 16.8 °F 23.0 °F 86% 30.19 in 10.0 mi NE 10.4 mph - N/A   Overcast
3:35 PM 26.6 °F 15.7 °F 23.0 °F 86% 30.18 in 10.0 mi ENE 12.7 mph - N/A   Overcast
3:55 PM 26.6 °F 13.8 °F 23.0 °F 86% 30.16 in 10.0 mi ENE 17.3 mph 21.9 mph N/A   Overcast
4:15 PM 26.6 °F 14.7 °F 23.4 °F 88% 30.16 in 10.0 mi ENE 15.0 mph 19.6 mph N/A   Overcast
4:35 PM 26.6 °F 14.7 °F 23.0 °F 86% 30.15 in 10.0 mi ENE 15.0 mph - N/A   Overcast
4:55 PM 26.6 °F 14.7 °F 23.0 °F 86% 30.15 in 10.0 mi ENE 15.0 mph 20.7 mph N/A   Overcast
5:15 PM 26.6 °F 13.8 °F 22.8 °F 86% 30.13 in 10.0 mi ENE 17.3 mph - N/A   Overcast
5:35 PM 25.7 °F 11.9 °F 22.1 °F 86% 30.12 in 10.0 mi ENE 19.6 mph 27.6 mph N/A   Overcast
5:55 PM 25.3 °F 10.7 °F 21.2 °F 84% 30.11 in 10.0 mi East 21.9 mph 27.6 mph N/A   Overcast
6:15 PM 24.6 °F 11.7 °F 20.3 °F 84% 30.10 in 10.0 mi East 16.1 mph - N/A   Overcast
6:35 PM 24.8 °F 10.7 °F 20.3 °F 83% 30.10 in 10.0 mi East 19.6 mph 24.2 mph N/A   Overcast
6:55 PM 24.6 °F 10.9 °F 20.3 °F 84% 30.09 in 10.0 mi East 18.4 mph 24.2 mph N/A   Overcast
7:15 PM 24.8 °F 10.7 °F 20.1 °F 82% 30.09 in 10.0 mi East 19.6 mph - N/A   Overcast
7:35 PM 24.8 °F 10.7 °F 19.9 °F 82% 30.06 in 10.0 mi East 19.6 mph 25.3 mph N/A   Overcast
7:55 PM 24.8 °F 9.6 °F 19.8 °F 81% 30.04 in 10.0 mi East 23.0 mph 26.5 mph N/A   Overcast
8:15 PM 24.8 °F 9.3 °F 19.8 °F 81% 30.01 in 10.0 mi East 24.2 mph 31.1 mph N/A   Overcast
8:35 PM 25.0 °F 12.2 °F 19.9 °F 81% 30.04 in 10.0 mi East 16.1 mph 24.2 mph N/A   Overcast
8:55 PM 25.2 °F 11.6 °F 19.9 °F 81% 30.01 in 10.0 mi East 18.4 mph - N/A   Overcast
9:15 PM 25.3 °F 11.8 °F 20.1 °F 81% 30.00 in 10.0 mi East 18.4 mph 27.6 mph N/A   Overcast
9:35 PM 25.3 °F 11.4 °F 20.1 °F 81% 30.00 in 10.0 mi East 19.6 mph 25.3 mph N/A   Overcast
9:55 PM 25.5 °F 12.4 °F 20.1 °F 80% 29.99 in 10.0 mi East 17.3 mph 26.5 mph N/A   Overcast
10:15 PM 25.2 °F 11.2 °F 20.3 °F 82% 29.99 in 2.5 mi East 19.6 mph 25.3 mph N/A Snow Light Snow
10:35 PM 24.6 °F 11.3 °F 21.0 °F 86% 29.98 in 1.2 mi East 17.3 mph - N/A Snow Light Snow
10:55 PM 24.3 °F 10.8 °F 21.2 °F 88% 29.98 in 1.0 mi East 17.3 mph 23.0 mph N/A Snow Snow
11:15 PM 23.9 °F 9.9 °F 21.2 °F 89% 29.95 in 0.5 mi ENE 18.4 mph 23.0 mph N/A Snow Heavy Snow
11:35 PM 23.9 °F 10.8 °F 21.2 °F 89% 29.94 in 1.0 mi ENE 16.1 mph 26.5 mph 0.01 in Snow Snow
11:55 PM 23.9 °F 10.3 °F 21.2 °F 89% 29.94 in 1.0 mi East 17.3 mph - 0.01 in Snow Snow