Weather History for Rockford, IL

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Thursday, January 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 10 °F 22 °F  
Max Temperature 18 °F 30 °F 63 °F (1989)
Min Temperature 2 °F 14 °F -18 °F (1996)
Degree Days  
Heating Degree Days 55 43  
Month to date heating degree days 1254 1351  
Since 1 July heating degree days 3585 3909  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 2 °F    
Average Humidity 71    
Maximum Humidity 80    
Minimum Humidity 61    
Precipitation  
Precipitation T in 0.04 in 0.50 in (1915)
Month to date precipitation 3.09 1.37  
Year to date precipitation 3.09 1.37  
Snow  
Snow 0.00 in 0.30 in 5.50 in (1942)
Month to date snowfall 2.7 10.2  
Since 1 July snowfall 4.8 23.3  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 17 mph (WNW)    
Max Wind Speed 25 mph    
Max Gust Speed 32 mph    
Visibility 8 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 31, 2013 Rise Set
Actual Time 7:10 AM CST 5:09 PM CST
Civil Twilight 6:40 AM CST 5:39 PM CST
Nautical Twilight 6:07 AM CST 6:13 PM CST
Astronomical Twilight 5:34 AM CST 6:46 PM CST
Moon 10:19 PM CST (1/31) 9:03 AM CST (1/31)
Length of Visible Light 10h 59m
Length of Day
9h 59m
Waning Gibbous, 79% of the Moon is Illuminated
Jan 31
Waning Gibbous
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter
Feb 25
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 17.1 °F 2.0 °F 8.1 °F 68% 29.72 in 10.0 mi WNW 16.1 mph 25.3 mph 0.00 in   Overcast
1:54 AM 17.1 °F 0.6 °F 7.0 °F 65% 29.75 in 10.0 mi WNW 19.6 mph 31.1 mph N/A   Overcast
2:54 AM 17.1 °F 3.0 °F 10.0 °F 74% 29.75 in 2.0 mi WNW 13.8 mph - 0.00 in Snow Light Snow
3:18 AM 17.6 °F 3.2 °F 10.4 °F 73% 29.72 in 3.0 mi West 15.0 mph 23.0 mph 0.00 in Snow Light Snow
3:54 AM 16.0 °F 1.1 °F 10.0 °F 77% 29.77 in 4.0 mi West 15.0 mph 25.3 mph 0.00 in Snow Light Snow
4:14 AM 15.8 °F 1.4 °F 8.6 °F 73% 29.74 in 7.0 mi West 13.8 mph 21.9 mph 0.00 in Snow Light Snow
4:54 AM 16.0 °F 0.6 °F 9.0 °F 74% 29.78 in 7.0 mi West 16.1 mph 24.2 mph 0.00 in Snow Light Snow
5:54 AM 14.0 °F -1.4 °F 8.1 °F 77% 29.79 in 8.0 mi West 15.0 mph 23.0 mph 0.00 in Snow Light Snow
6:54 AM 12.9 °F -3.4 °F 6.1 °F 74% 29.82 in 10.0 mi West 16.1 mph 21.9 mph 0.00 in   Mostly Cloudy
7:31 AM 12.2 °F -3.1 °F 5.0 °F 73% 29.81 in 10.0 mi West 13.8 mph - N/A   Overcast
7:54 AM 10.9 °F -7.5 °F 5.0 °F 77% 29.86 in 10.0 mi West 19.6 mph 24.2 mph N/A   Mostly Cloudy
8:31 AM 10.4 °F -7.2 °F 3.2 °F 73% 29.84 in 10.0 mi WNW 17.3 mph 23.0 mph N/A   Scattered Clouds
8:54 AM 10.0 °F -9.1 °F 3.0 °F 73% 29.88 in 10.0 mi West 20.7 mph 27.6 mph N/A   Partly Cloudy
9:54 AM 10.9 °F -7.0 °F 3.9 °F 73% 29.90 in 10.0 mi West 18.4 mph 23.0 mph N/A   Partly Cloudy
10:54 AM 12.0 °F -4.0 °F 3.0 °F 67% 29.93 in 10.0 mi WNW 15.0 mph 25.3 mph N/A   Scattered Clouds
11:44 AM 10.4 °F -8.2 °F 1.4 °F 67% 29.90 in 10.0 mi West 19.6 mph - N/A   Mostly Cloudy
11:54 AM 12.0 °F -5.6 °F 3.9 °F 70% 29.94 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
12:45 PM 12.2 °F -2.5 °F 3.2 °F 67% 29.91 in 5.0 mi West 12.7 mph - 0.00 in Snow Light Snow
12:54 PM 12.0 °F -4.5 °F 3.0 °F 67% 29.96 in 5.0 mi WNW 16.1 mph 21.9 mph 0.00 in Snow Light Snow
1:19 PM 12.2 °F -3.1 °F 3.2 °F 67% 29.92 in 2.5 mi WNW 13.8 mph - 0.00 in Snow Light Snow
1:26 PM 12.2 °F -5.3 °F 3.2 °F 67% 29.92 in 5.0 mi WNW 18.4 mph 24.2 mph 0.00 in Snow Light Snow
1:49 PM 10.4 °F -8.6 °F 5.0 °F 79% 29.92 in 1.5 mi WNW 20.7 mph 26.5 mph 0.00 in Snow Light Snow
1:54 PM 10.9 °F -7.5 °F 3.0 °F 70% 29.96 in 5.0 mi WNW 19.6 mph 27.6 mph 0.00 in Snow Light Snow
2:03 PM 12.2 °F -5.3 °F 1.4 °F 62% 29.93 in 7.0 mi WNW 18.4 mph 27.6 mph 0.00 in Snow Light Snow
2:54 PM 10.9 °F -7.0 °F 1.0 °F 64% 29.99 in 9.0 mi NW 18.4 mph 29.9 mph 0.00 in Snow Light Snow
3:54 PM 10.0 °F -9.1 °F 1.0 °F 67% 30.01 in 9.0 mi WNW 20.7 mph 27.6 mph 0.00 in   Mostly Cloudy
4:54 PM 8.1 °F -9.6 °F -0.9 °F 67% 30.04 in 10.0 mi WNW 16.1 mph 28.8 mph 0.00 in   Scattered Clouds
5:54 PM 7.0 °F -12.6 °F -2.0 °F 67% 30.08 in 10.0 mi WNW 19.6 mph 25.3 mph 0.00 in   Scattered Clouds
6:54 PM 6.1 °F -13.8 °F -2.0 °F 69% 30.11 in 10.0 mi WNW 19.6 mph 28.8 mph N/A   Scattered Clouds
7:54 PM 3.9 °F -15.6 °F -4.0 °F 70% 30.15 in 9.0 mi WNW 17.3 mph 31.1 mph N/A   Mostly Cloudy
8:54 PM 3.0 °F -17.3 °F -4.0 °F 73% 30.19 in 10.0 mi WNW 18.4 mph - N/A   Mostly Cloudy
9:39 PM 3.2 °F -15.9 °F -5.8 °F 66% 30.15 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Mostly Cloudy
9:54 PM 3.0 °F -16.7 °F -5.1 °F 69% 30.21 in 10.0 mi WNW 17.3 mph - N/A   Mostly Cloudy
10:36 PM 1.4 °F -18.2 °F -5.8 °F 72% 30.17 in 10.0 mi WNW 16.1 mph - N/A   Partly Cloudy
10:54 PM 1.9 °F -16.2 °F -6.0 °F 69% 30.22 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy
11:54 PM 1.9 °F -16.2 °F -6.0 °F 69% 30.25 in 10.0 mi WNW 13.8 mph - N/A   Partly Cloudy