Weather History for Rockford, IL

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Sunday, February 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 19 °F 26 °F  
Max Temperature 31 °F 35 °F 59 °F (1981)
Min Temperature 6 °F 18 °F -13 °F (1958)
Degree Days  
Heating Degree Days 46 39  
Month to date heating degree days 719 694  
Since 1 July heating degree days 4304 4603  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 11 °F    
Average Humidity 67    
Maximum Humidity 88    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in 0.05 in 1.15 in (2008)
Month to date precipitation 1.70 0.77  
Year to date precipitation 4.79 2.14  
Snow  
Snow 0.00 in 0.30 in 5.50 in (1944)
Month to date snowfall 10.9 5.0  
Since 1 July snowfall 15.7 28.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 7 mph (SSE)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 17, 2013 Rise Set
Actual Time 6:49 AM CST 5:31 PM CST
Civil Twilight 6:20 AM CST 6:00 PM CST
Nautical Twilight 5:48 AM CST 6:33 PM CST
Astronomical Twilight 5:15 AM CST 7:05 PM CST
Moon 10:33 AM CST (2/17) 12:35 AM CST (2/17)
Length of Visible Light 11h 39m
Length of Day
10h 42m
Waxing Crescent, 49% of the Moon is Illuminated
Feb 17
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
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 9.0 °F - 3.9 °F 80% 30.23 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 8.1 °F - 3.9 °F 83% 30.23 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 8.1 °F - 3.9 °F 83% 30.23 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 7.0 °F - 3.0 °F 84% 30.23 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 7.0 °F - 3.0 °F 84% 30.24 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 7.0 °F - 3.0 °F 84% 30.24 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 7.0 °F - 3.0 °F 84% 30.25 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:54 AM 10.0 °F - 6.1 °F 84% 30.25 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:54 AM 15.1 °F 7.7 °F 9.0 °F 77% 30.25 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
9:54 AM 19.0 °F 12.3 °F 7.0 °F 59% 30.24 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
10:54 AM 21.9 °F 15.7 °F 6.1 °F 51% 30.24 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
11:54 AM 25.0 °F 15.5 °F 9.0 °F 51% 30.23 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
12:54 PM 28.0 °F 18.6 °F 10.9 °F 49% 30.19 in 10.0 mi South 10.4 mph - N/A   Partly Cloudy
1:54 PM 28.9 °F 19.8 °F 12.0 °F 49% 30.17 in 10.0 mi SSE 10.4 mph - N/A   Scattered Clouds
2:54 PM 30.0 °F 20.5 °F 12.9 °F 49% 30.14 in 10.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
3:54 PM 30.0 °F 20.5 °F 15.1 °F 54% 30.12 in 10.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
4:54 PM 28.9 °F 18.6 °F 15.1 °F 56% 30.11 in 10.0 mi SSE 12.7 mph - N/A   Overcast
5:54 PM 28.0 °F 18.1 °F 17.1 °F 63% 30.09 in 10.0 mi SSE 11.5 mph - N/A   Overcast
6:54 PM 28.0 °F 18.1 °F 18.0 °F 66% 30.07 in 10.0 mi SE 11.5 mph - N/A   Overcast
7:54 PM 28.0 °F 17.0 °F 18.0 °F 66% 30.05 in 10.0 mi SE 13.8 mph - N/A   Overcast
8:54 PM 28.0 °F 18.1 °F 19.0 °F 69% 30.05 in 10.0 mi SSE 11.5 mph - N/A   Overcast
9:54 PM 28.0 °F 16.5 °F 19.0 °F 69% 30.02 in 10.0 mi SSE 15.0 mph - N/A   Overcast
10:54 PM 28.0 °F 15.7 °F 19.9 °F 72% 29.99 in 10.0 mi SSE 17.3 mph - N/A   Overcast
11:54 PM 28.0 °F 15.3 °F 19.9 °F 72% 29.96 in 10.0 mi SSE 18.4 mph - N/A   Overcast