Weather History for DeKalb, IL

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Saturday, January 21, 2012

  Actual Average (KARR) Record (KARR)
Temperature  
Mean Temperature 18 °F 21 °F  
Max Temperature 22 °F 29 °F 40 °F (1999)
Min Temperature 13 °F 12 °F -14 °F (2000)
Degree Days  
Heating Degree Days 48 45  
Month to date heating degree days 925  
Since 1 July heating degree days 3574  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 8 °F    
Average Humidity 70    
Maximum Humidity 77    
Minimum Humidity 61    
Precipitation  
Precipitation 0.01 in 0.05 in 0.24 in (2006)
Month to date precipitation 0.90  
Year to date precipitation 0.90  
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 9 mph (North)    
Max Wind Speed 15 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Jan. 21, 2012 Rise Set
Actual Time 7:17 AM CST 4:55 PM CST
Civil Twilight 6:46 AM CST 5:25 PM CST
Nautical Twilight 6:12 AM CST 5:59 PM CST
Astronomical Twilight 5:39 AM CST 6:33 PM CST
Moon 5:48 AM CST (1/21) 3:30 PM CST (1/21)
Length of Visible Light 10h 39m
Length of Day
9h 38m
Waning Crescent, 3% of the Moon is Illuminated
Jan 21
Waning Crescent
Jan 23
New
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last 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 15.4 °F 2.3 °F 9.5 °F 77% 30.08 in 10.0 mi North 11.5 mph - N/A   Overcast
12:35 AM 14.9 °F 1.6 °F 9.0 °F 77% 30.08 in 10.0 mi North 11.5 mph - N/A   Overcast
12:55 AM 14.5 °F 0.5 °F 8.6 °F 77% 30.09 in 10.0 mi NNW 12.7 mph - N/A   Overcast
1:15 AM 14.0 °F 1.2 °F 8.1 °F 77% 30.09 in 10.0 mi NNW 10.4 mph - N/A   Overcast
1:35 AM 14.0 °F -0.2 °F 7.7 °F 76% 30.11 in 10.0 mi NNW 12.7 mph - N/A   Overcast
1:55 AM 14.0 °F 0.5 °F 7.7 °F 76% 30.11 in 10.0 mi North 11.5 mph - N/A   Overcast
2:15 AM 14.5 °F -0.2 °F 8.2 °F 76% 30.12 in 10.0 mi North 13.8 mph - N/A   Overcast
2:35 AM 14.7 °F 1.4 °F 8.4 °F 76% 30.12 in 10.0 mi North 11.5 mph - N/A   Overcast
2:55 AM 15.8 °F 1.4 °F 8.6 °F 73% 30.12 in 10.0 mi North 13.8 mph - N/A   Overcast
3:15 AM 14.7 °F 2.1 °F 7.7 °F 74% 30.12 in 10.0 mi NNW 10.4 mph - N/A   Overcast
3:35 AM 14.2 °F 2.2 °F 7.5 °F 75% 30.12 in 10.0 mi NNW 9.2 mph - N/A   Overcast
3:55 AM 14.0 °F -0.2 °F 7.2 °F 74% 30.14 in 10.0 mi NNW 12.7 mph - N/A   Overcast
4:15 AM 13.8 °F -1.7 °F 6.8 °F 74% 30.14 in 10.0 mi North 15.0 mph - N/A   Overcast
4:35 AM 13.8 °F 1.8 °F 6.6 °F 73% 30.14 in 10.0 mi North 9.2 mph - N/A   Overcast
4:55 AM 14.0 °F 0.5 °F 6.4 °F 72% 30.14 in 10.0 mi North 11.5 mph - N/A   Overcast
5:15 AM 13.6 °F 0.0 °F 5.7 °F 71% 30.14 in 10.0 mi North 11.5 mph - N/A   Overcast
5:35 AM 13.5 °F 0.5 °F 5.5 °F 71% 30.15 in 10.0 mi North 10.4 mph - N/A   Overcast
5:55 AM 14.0 °F -0.2 °F 5.0 °F 67% 30.15 in 10.0 mi North 12.7 mph - N/A   Overcast
6:15 AM 13.8 °F 1.0 °F 5.5 °F 70% 30.16 in 10.0 mi North 10.4 mph - N/A   Overcast
6:35 AM 13.5 °F 4.4 °F 5.0 °F 69% 30.16 in 10.0 mi NNW 5.8 mph - N/A   Overcast
6:55 AM 13.1 °F 0.1 °F 4.8 °F 70% 30.16 in 10.0 mi NNW 10.4 mph - N/A   Overcast
7:15 AM 13.1 °F 2.8 °F 4.8 °F 70% 30.17 in 10.0 mi North 6.9 mph - N/A   Overcast
7:35 AM 13.5 °F 2.2 °F 4.8 °F 68% 30.19 in 10.0 mi North 8.1 mph - N/A   Overcast
7:55 AM 13.8 °F 2.7 °F 5.0 °F 68% 30.21 in 10.0 mi North 8.1 mph - N/A   Overcast
8:15 AM 13.5 °F 3.3 °F 4.6 °F 68% 30.21 in 10.0 mi North 6.9 mph - N/A   Overcast
8:35 AM 13.6 °F 3.5 °F 4.6 °F 67% 30.21 in 10.0 mi North 6.9 mph - N/A   Overcast
8:55 AM 14.0 °F 2.0 °F 4.5 °F 66% 30.21 in 10.0 mi North 9.2 mph - N/A   Overcast
9:15 AM 13.6 °F 1.6 °F 3.7 °F 65% 30.21 in 10.0 mi North 9.2 mph - N/A   Overcast
9:35 AM 13.1 °F 1.8 °F 3.2 °F 65% 30.21 in 10.0 mi NNE 8.1 mph - N/A   Overcast
9:55 AM 13.1 °F 1.8 °F 3.2 °F 65% 30.22 in 10.0 mi NNE 8.1 mph - N/A   Overcast
10:15 AM 13.3 °F 2.0 °F 3.0 °F 64% 30.22 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
10:35 AM 15.1 °F 5.2 °F 4.1 °F 62% 30.22 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
10:55 AM 15.8 °F 7.2 °F 4.8 °F 62% 30.22 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
11:15 AM 15.8 °F 7.2 °F 4.8 °F 62% 30.21 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
11:35 AM 16.9 °F 9.8 °F 5.7 °F 62% 30.21 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
11:55 AM 18.5 °F 11.7 °F 7.5 °F 62% 30.20 in 10.0 mi NE 4.6 mph - N/A   Overcast
12:15 PM 18.3 °F 13.1 °F 7.5 °F 63% 30.21 in 10.0 mi ESE 3.5 mph - N/A   Overcast
12:35 PM 19.9 °F - 8.2 °F 61% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
12:55 PM 20.1 °F - 8.6 °F 61% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
1:15 PM 20.3 °F 15.4 °F 10.2 °F 65% 30.21 in 10.0 mi South 3.5 mph - N/A   Overcast
1:35 PM 20.5 °F 15.6 °F 10.6 °F 66% 30.20 in 10.0 mi South 3.5 mph - N/A   Overcast
1:55 PM 21.0 °F - 11.3 °F 66% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
2:15 PM 22.8 °F - 12.0 °F 63% 30.17 in 10.0 mi Calm Calm - N/A   Overcast
2:35 PM 22.8 °F - 12.6 °F 65% 30.18 in 10.0 mi Calm Calm - N/A   Overcast
2:55 PM 22.6 °F 15.3 °F 13.3 °F 67% 30.17 in 10.0 mi SSE 5.8 mph - N/A   Overcast
3:15 PM 22.5 °F 17.8 °F 13.8 °F 69% 30.19 in 10.0 mi South 3.5 mph - N/A   Overcast
3:35 PM 22.1 °F - 13.8 °F 70% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
3:55 PM 22.1 °F - 14.0 °F 71% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
4:15 PM 22.1 °F - 14.2 °F 72% 30.18 in 10.0 mi Calm Calm - N/A   Overcast
4:35 PM 22.5 °F - 14.4 °F 71% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
4:55 PM 22.1 °F - 14.0 °F 71% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
5:15 PM 20.8 °F - 13.8 °F 74% 30.18 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:35 PM 19.9 °F - 12.9 °F 74% 30.19 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:55 PM 19.9 °F - 13.5 °F 76% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:15 PM 20.1 °F - 14.0 °F 77% 30.18 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:35 PM 18.3 °F - 12.6 °F 78% 30.17 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM 17.1 °F 10.0 °F 11.8 °F 80% 30.16 in 10.0 mi East 4.6 mph - N/A   Clear
7:15 PM 15.8 °F 7.2 °F 10.4 °F 79% 30.16 in 10.0 mi ESE 5.8 mph - N/A   Clear
7:35 PM 15.3 °F 5.4 °F 10.4 °F 81% 30.15 in 7.0 mi ESE 6.9 mph - N/A   Clear
7:55 PM 18.3 °F 6.6 °F 13.3 °F 81% 30.15 in 10.0 mi SE 10.4 mph - N/A   Clear
8:15 PM 17.6 °F 6.4 °F 12.2 °F 79% 30.15 in 10.0 mi SE 9.2 mph - N/A   Clear
8:35 PM 18.1 °F 4.4 °F 11.7 °F 76% 30.14 in 10.0 mi SE 13.8 mph - N/A   Clear
8:55 PM 17.6 °F 4.3 °F 10.4 °F 73% 30.13 in 10.0 mi SE 12.7 mph - N/A   Clear
9:15 PM 17.2 °F 2.2 °F 9.0 °F 70% 30.13 in 10.0 mi SE 16.1 mph - N/A   Clear
9:35 PM 16.7 °F 1.5 °F 8.4 °F 70% 30.13 in 10.0 mi SE 16.1 mph - N/A   Clear
9:55 PM 15.6 °F 0.6 °F 7.7 °F 71% 30.11 in 10.0 mi SE 15.0 mph - N/A   Clear
10:15 PM 15.8 °F 2.1 °F 7.5 °F 70% 30.10 in 10.0 mi SE 12.7 mph - N/A   Clear
10:35 PM 14.5 °F 1.1 °F 6.4 °F 70% 30.11 in 10.0 mi SE 11.5 mph - N/A   Clear
10:55 PM 14.5 °F -0.2 °F 6.4 °F 70% 30.08 in 10.0 mi SE 13.8 mph - N/A   Clear
11:15 PM 14.5 °F -0.7 °F 6.6 °F 71% 30.07 in 10.0 mi SE 15.0 mph - N/A   Clear
11:35 PM 14.9 °F -0.3 °F 6.8 °F 70% 30.05 in 10.0 mi SE 15.0 mph 20.7 mph N/A   Clear
11:55 PM 15.8 °F 0.9 °F 6.8 °F 68% 30.05 in 10.0 mi SE 15.0 mph - N/A   Clear