Weather History for Rockford, IL

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Sunday, December 25, 2011

  Actual Average Record
Temperature  
Mean Temperature 34 °F 23 °F  
Max Temperature 44 °F 31 °F 58 °F (1982)
Min Temperature 24 °F 15 °F -22 °F (2000)
Degree Days  
Heating Degree Days 31 42  
Month to date heating degree days 807 970  
Since 1 July heating degree days 2027 2305  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1019 820  
Moisture  
Dew Point 24 °F    
Average Humidity 63    
Maximum Humidity 81    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.06 in 1.25 in (1945)
Month to date precipitation 1.74 1.68  
Year to date precipitation 38.72 35.94  
Snow  
Snow 0.00 in 0.40 in 6.00 in (1909)
Month to date snowfall 1.7 9.0  
Since 1 July snowfall 1.7 10.8  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 24 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 25, 2011 Rise Set
Actual Time 7:23 AM CST 4:29 PM CST
Civil Twilight 6:51 AM CST 5:01 PM CST
Nautical Twilight 6:16 AM CST 5:36 PM CST
Astronomical Twilight 5:42 AM CST 6:10 PM CST
Moon 8:00 AM CST (12/25) 5:51 PM CST (12/25)
Length of Visible Light 10h 09m
Length of Day
9h 06m
New Moon, 1% of the Moon is Illuminated
Dec 25
New Moon
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
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 37.0 °F 30.4 °F 25.0 °F 62% 30.15 in 10.0 mi WSW 9.2 mph - N/A   Overcast
1:54 AM 35.1 °F 29.3 °F 25.0 °F 67% 30.14 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
2:54 AM 34.0 °F 27.2 °F 25.0 °F 70% 30.11 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
3:54 AM 34.0 °F 27.2 °F 25.0 °F 70% 30.09 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
4:54 AM 33.1 °F 26.1 °F 24.1 °F 70% 30.09 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
5:54 AM 33.1 °F 26.1 °F 24.1 °F 70% 30.09 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
6:54 AM 33.1 °F 25.5 °F 24.1 °F 70% 30.09 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
7:54 AM 33.1 °F 23.9 °F 24.1 °F 70% 30.11 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
8:54 AM 36.0 °F 27.1 °F 24.1 °F 62% 30.14 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Partly Cloudy
9:54 AM 39.0 °F 29.3 °F 25.0 °F 57% 30.16 in 10.0 mi NW 19.6 mph 25.3 mph N/A   Clear
10:54 AM 41.0 °F 32.2 °F 25.0 °F 53% 30.17 in 10.0 mi NW 18.4 mph 25.3 mph N/A   Clear
11:54 AM 43.0 °F 34.5 °F 26.1 °F 51% 30.18 in 10.0 mi WNW 19.6 mph 25.3 mph N/A   Clear
12:54 PM 44.1 °F 36.8 °F 26.1 °F 49% 30.18 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Partly Cloudy
1:54 PM 44.1 °F 36.2 °F 25.0 °F 47% 30.19 in 10.0 mi WNW 18.4 mph 25.3 mph N/A   Partly Cloudy
2:54 PM 44.1 °F 36.2 °F 24.1 °F 45% 30.24 in 10.0 mi NW 18.4 mph 26.5 mph N/A   Scattered Clouds
3:54 PM 42.1 °F 35.2 °F 24.1 °F 49% 30.27 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Clear
4:54 PM 37.9 °F 32.1 °F 24.1 °F 57% 30.28 in 10.0 mi WNW 8.1 mph - N/A   Clear
5:54 PM 34.0 °F 28.0 °F 24.1 °F 67% 30.31 in 10.0 mi NW 6.9 mph - N/A   Clear
6:54 PM 33.1 °F - 24.1 °F 70% 30.32 in 10.0 mi Calm Calm - N/A   Clear
7:54 PM 28.9 °F - 23.0 °F 78% 30.34 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 27.0 °F - 21.9 °F 81% 30.34 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 26.1 °F - 21.9 °F 84% 30.34 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 26.1 °F - 21.0 °F 81% 30.34 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 24.1 °F - 21.9 °F 91% 30.34 in 10.0 mi Calm Calm - N/A   Clear