Weather History for Rockford, IL

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Thursday, January 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 26 °F 21 °F  
Max Temperature 34 °F 29 °F 53 °F (1990)
Min Temperature 18 °F 13 °F -25 °F (1982)
Degree Days  
Heating Degree Days 39 44  
Month to date heating degree days 664 742  
Since 1 July heating degree days 2995 3303  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 12 °F    
Average Humidity 66    
Maximum Humidity 89    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.04 in 0.60 in (1941)
Month to date precipitation 1.27 0.80  
Year to date precipitation 1.27 0.80  
Snow  
Snow 0.00 in 0.30 in 4.70 in (1953)
Month to date snowfall 0.6 5.7  
Since 1 July snowfall 2.7 18.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.36 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 17, 2013 Rise Set
Actual Time 7:21 AM CST 4:52 PM CST
Civil Twilight 6:50 AM CST 5:23 PM CST
Nautical Twilight 6:16 AM CST 5:57 PM CST
Astronomical Twilight 5:42 AM CST 6:30 PM CST
Moon 10:20 AM CST (1/17) 11:52 PM CST (1/17)
Length of Visible Light 10h 32m
Length of Day
9h 30m
Waxing Crescent, 38% of the Moon is Illuminated
Jan 17
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

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 34.0 °F 27.2 °F 28.9 °F 82% 30.13 in 10.0 mi North 8.1 mph - N/A   Overcast
1:54 AM 32.0 °F 23.0 °F 21.9 °F 66% 30.19 in 10.0 mi North 11.5 mph - N/A   Overcast
2:54 AM 28.0 °F 21.7 °F 21.0 °F 75% 30.22 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
3:54 AM 27.0 °F 19.5 °F 19.9 °F 75% 30.24 in 10.0 mi NW 6.9 mph - N/A   Clear
4:54 AM 25.0 °F 14.8 °F 17.1 °F 72% 30.27 in 10.0 mi NNW 10.4 mph - N/A   Scattered Clouds
5:54 AM 21.9 °F 11.7 °F 10.9 °F 63% 30.29 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy
6:54 AM 19.9 °F 10.1 °F 9.0 °F 62% 30.32 in 10.0 mi North 8.1 mph - N/A   Clear
7:54 AM 19.9 °F 10.1 °F 9.0 °F 62% 30.35 in 10.0 mi North 8.1 mph - N/A   Clear
8:54 AM 23.0 °F 11.7 °F 8.1 °F 53% 30.36 in 10.0 mi North 11.5 mph - N/A   Clear
9:54 AM 25.0 °F 14.2 °F 6.1 °F 45% 30.38 in 10.0 mi North 11.5 mph - N/A   Clear
10:54 AM 26.1 °F 16.2 °F 7.0 °F 44% 30.40 in 10.0 mi NW 10.4 mph - N/A   Clear
11:54 AM 27.0 °F 16.1 °F 7.0 °F 43% 30.40 in 10.0 mi NW 12.7 mph - N/A   Clear
12:54 PM 27.0 °F 16.1 °F 9.0 °F 47% 30.39 in 10.0 mi NW 12.7 mph - N/A   Clear
1:54 PM 27.0 °F 17.3 °F 8.1 °F 45% 30.38 in 10.0 mi WNW 10.4 mph - N/A   Clear
2:54 PM 27.0 °F 20.5 °F 8.1 °F 45% 30.37 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:54 PM 27.0 °F 18.0 °F 10.9 °F 51% 30.38 in 10.0 mi WNW 9.2 mph - N/A   Clear
4:54 PM 24.1 °F 18.2 °F 10.9 °F 57% 30.39 in 10.0 mi West 4.6 mph - N/A   Clear
5:54 PM 21.9 °F 17.2 °F 10.9 °F 63% 30.41 in 10.0 mi West 3.5 mph - N/A   Clear
6:54 PM 21.9 °F 17.2 °F 12.0 °F 66% 30.42 in 10.0 mi WSW 3.5 mph - N/A   Clear
7:54 PM 19.0 °F - 10.9 °F 71% 30.43 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 19.9 °F 13.4 °F 12.0 °F 71% 30.44 in 10.0 mi WNW 4.6 mph - N/A   Clear
9:54 PM 21.9 °F 14.5 °F 15.1 °F 75% 30.43 in 10.0 mi WNW 5.8 mph - N/A   Clear
10:54 PM 19.0 °F 12.3 °F 12.9 °F 77% 30.44 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
11:54 PM 18.0 °F - 12.9 °F 81% 30.44 in 10.0 mi Calm Calm - N/A   Partly Cloudy