Weather History for Rockford, IL

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Thursday, January 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 26 °F 21 °F  
Max Temperature 37 °F 29 °F 55 °F (1960)
Min Temperature 15 °F 13 °F -21 °F (1974)
Degree Days  
Heating Degree Days 39 44  
Month to date heating degree days 392 522  
Since 1 July heating degree days 2612 3083  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 18 °F    
Average Humidity 81    
Maximum Humidity 88    
Minimum Humidity 73    
Precipitation  
Precipitation 0.33 in 0.04 in 2.46 in (1960)
Month to date precipitation 0.42 0.58  
Year to date precipitation 0.42 0.58  
Snow  
Snow 4.50 in 0.30 in 8.80 in (1966)
Month to date snowfall 4.5 4.1  
Since 1 July snowfall 6.2 17.2  
Snow Depth 5.00 in    
Sea Level Pressure  
Sea Level Pressure 29.54 in    
Wind  
Wind Speed 14 mph (NW)    
Max Wind Speed 22 mph    
Max Gust Speed 29 mph    
Visibility 3 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 12, 2012 Rise Set
Actual Time 7:23 AM CST 4:45 PM CST
Civil Twilight 6:52 AM CST 5:16 PM CST
Nautical Twilight 6:17 AM CST 5:51 PM CST
Astronomical Twilight 5:44 AM CST 6:25 PM CST
Moon 8:56 PM CST (1/12) 9:02 AM CST (1/12)
Length of Visible Light 10h 24m
Length of Day
9h 21m
Waning Gibbous, 87% of the Moon is Illuminated
Jan 12
Waning Gibbous
Jan 16
Last Quarter
Jan 23
New
Jan 30
First Quarter
Feb 7
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 37.0 °F 29.8 °F 30.9 °F 79% 29.55 in 10.0 mi NNW 10.4 mph - N/A   Overcast
1:54 AM 37.0 °F 28.9 °F 30.9 °F 79% 29.56 in 10.0 mi NNW 12.7 mph - N/A   Overcast
2:54 AM 34.0 °F 23.8 °F 28.9 °F 82% 29.56 in 10.0 mi NNW 16.1 mph - N/A   Overcast
3:54 AM 32.0 °F 24.2 °F 26.1 °F 79% 29.56 in 10.0 mi NNW 9.2 mph 17.3 mph N/A   Overcast
4:54 AM 30.0 °F 20.5 °F 24.1 °F 79% 29.55 in 10.0 mi NNW 11.5 mph - N/A   Overcast
5:54 AM 28.0 °F 17.5 °F 21.0 °F 75% 29.55 in 10.0 mi NNW 12.7 mph - N/A   Overcast
6:40 AM 26.6 °F 16.8 °F 21.2 °F 80% 29.53 in 8.0 mi NW 10.4 mph - 0.00 in Snow Light Snow
6:54 AM 27.0 °F 17.3 °F 19.9 °F 75% 29.55 in 5.0 mi NNW 10.4 mph - 0.00 in Snow Light Snow
7:34 AM 24.8 °F 12.4 °F 19.4 °F 80% 29.52 in 2.0 mi NNW 15.0 mph - 0.01 in Snow Light Snow
7:49 AM 24.8 °F 13.4 °F 21.2 °F 86% 29.52 in 1.5 mi NNW 12.7 mph - 0.01 in Snow Light Snow
7:54 AM 25.0 °F 14.2 °F 21.0 °F 85% 29.55 in 1.0 mi NNW 11.5 mph - 0.01 in Snow Light Snow
8:20 AM 24.8 °F 14.0 °F 21.2 °F 86% 29.53 in 1.0 mi NW 11.5 mph - 0.02 in Snow Light Snow
8:44 AM 24.8 °F 13.4 °F 19.4 °F 80% 29.53 in 1.0 mi WNW 12.7 mph - 0.03 in Snow Light Snow
8:54 AM 23.0 °F 12.4 °F 19.0 °F 85% 29.56 in 1.0 mi NW 10.4 mph - 0.03 in Snow Light Snow
9:21 AM 23.0 °F 11.7 °F 17.6 °F 80% 29.52 in 1.0 mi NW 11.5 mph - 0.01 in Snow Light Snow
9:29 AM 23.0 °F 11.7 °F 19.4 °F 86% 29.52 in 0.8 mi NW 11.5 mph - 0.02 in Snow Light Snow
9:54 AM 21.9 °F 10.4 °F 18.0 °F 85% 29.54 in 0.8 mi NW 11.5 mph - 0.03 in Snow Light Snow
10:04 AM 21.2 °F 8.9 °F 17.6 °F 86% 29.52 in 1.0 mi NW 12.7 mph - 0.01 in Snow Light Snow
10:54 AM 21.9 °F 9.8 °F 17.1 °F 82% 29.52 in 0.8 mi NNW 12.7 mph - 0.02 in Snow Light Snow
11:54 AM 21.9 °F 9.8 °F 18.0 °F 85% 29.49 in 0.8 mi NW 12.7 mph - 0.05 in Snow Light Snow
12:45 PM 21.2 °F 8.9 °F 17.6 °F 86% 29.45 in 0.8 mi NW 12.7 mph - 0.03 in Snow Light Snow
12:54 PM 21.9 °F 9.8 °F 18.0 °F 85% 29.47 in 0.8 mi NW 12.7 mph - 0.03 in Snow Light Snow
1:14 PM 21.2 °F 9.5 °F 17.6 °F 86% 29.45 in 1.0 mi NW 11.5 mph - 0.01 in Snow Light Snow
1:27 PM 23.0 °F 10.6 °F 17.6 °F 80% 29.44 in 2.0 mi NW 13.8 mph - 0.02 in Snow Light Snow
1:38 PM 21.2 °F 7.8 °F 17.6 °F 86% 29.45 in 1.0 mi NW 15.0 mph - 0.02 in Snow Light Snow
1:54 PM 21.9 °F 8.7 °F 17.1 °F 82% 29.48 in 1.0 mi NW 15.0 mph - 0.02 in Snow Light Snow
2:54 PM 21.9 °F 9.2 °F 17.1 °F 82% 29.49 in 1.0 mi NW 13.8 mph - 0.02 in Snow Light Snow
3:54 PM 21.2 °F 7.3 °F 17.6 °F 86% 29.49 in 1.0 mi NW 16.1 mph - N/A Snow Light Snow
4:11 PM 21.2 °F 7.3 °F 17.6 °F 86% 29.50 in 0.8 mi NW 16.1 mph - 0.01 in Snow Light Snow
4:23 PM 21.2 °F 6.8 °F 15.8 °F 80% 29.50 in 0.5 mi NW 17.3 mph - 0.01 in Snow Snow
4:35 PM 21.2 °F 7.8 °F 17.6 °F 86% 29.51 in 0.8 mi NW 15.0 mph 20.7 mph 0.02 in Snow Light Snow
4:54 PM 19.4 °F 6.0 °F 15.8 °F 86% 29.52 in 0.8 mi NW 13.8 mph - N/A Snow Light Snow
5:08 PM 19.4 °F 5.0 °F 15.8 °F 86% 29.52 in 0.8 mi NW 16.1 mph 26.5 mph 0.01 in Snow Light Snow
5:49 PM 19.4 °F 4.5 °F 15.8 °F 86% 29.54 in 1.0 mi NW 17.3 mph 25.3 mph 0.02 in Snow Light Snow
5:54 PM 19.9 °F 4.8 °F 15.1 °F 81% 29.57 in 1.0 mi NW 18.4 mph 25.3 mph 0.03 in Snow Light Snow
6:49 PM 19.4 °F 3.2 °F 12.2 °F 74% 29.55 in 1.0 mi NNW 20.7 mph 27.6 mph 0.02 in Snow Light Snow
6:54 PM 19.0 °F 4.5 °F 14.0 °F 81% 29.59 in 1.0 mi NW 16.1 mph 27.6 mph 0.02 in Snow Light Snow
7:44 PM 17.6 °F 2.7 °F 12.2 °F 79% 29.57 in 1.0 mi NW 16.1 mph 25.3 mph 0.01 in Snow Light Snow
7:54 PM 17.1 °F 1.5 °F 12.0 °F 81% 29.60 in 2.5 mi NW 17.3 mph 24.2 mph 0.01 in Snow Light Snow
8:35 PM 17.6 °F 1.7 °F 10.4 °F 73% 29.58 in 2.0 mi NW 18.4 mph 26.5 mph 0.01 in Snow Light Snow
8:54 PM 16.0 °F 0.1 °F 10.9 °F 81% 29.62 in 2.5 mi NW 17.3 mph - 0.01 in Snow Light Snow
9:15 PM 15.8 °F -0.6 °F 10.4 °F 79% 29.59 in 8.0 mi NW 18.4 mph 24.2 mph 0.00 in Snow Light Snow
9:54 PM 16.0 °F 0.6 °F 9.0 °F 74% 29.64 in 9.0 mi NW 16.1 mph - 0.00 in Snow Light Snow
10:54 PM 16.0 °F 1.1 °F 9.0 °F 74% 29.65 in 5.0 mi NW 15.0 mph - 0.00 in Snow Light Snow
11:25 PM 15.8 °F 0.3 °F 10.4 °F 79% 29.62 in 2.0 mi WNW 16.1 mph - 0.00 in Snow Light Snow
11:54 PM 15.1 °F -0.1 °F 10.0 °F 80% 29.67 in 2.5 mi WNW 15.0 mph - 0.01 in Snow Light Snow