Weather History for Rockford, IL

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Sunday, December 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 43 °F 25 °F  
Max Temperature 48 °F 33 °F 58 °F (1984)
Min Temperature 38 °F 17 °F -14 °F (1932)
Degree Days  
Heating Degree Days 22 40  
Month to date heating degree days 397 598  
Since 1 July heating degree days 1756 1933  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1227 820  
Moisture  
Dew Point 37 °F    
Average Humidity 86    
Maximum Humidity 92    
Minimum Humidity 79    
Precipitation  
Precipitation 0.03 in 0.06 in 1.12 in (1921)
Month to date precipitation 1.12 1.15  
Year to date precipitation 21.98 35.41  
Snow  
Snow 0.00 in 0.40 in 3.60 in (2008)
Month to date snowfall T 5.5  
Since 1 July snowfall T 7.3  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.67 in    
Wind  
Wind Speed 12 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 16, 2012 Rise Set
Actual Time 7:19 AM CST 4:25 PM CST
Civil Twilight 6:47 AM CST 4:57 PM CST
Nautical Twilight 6:11 AM CST 5:32 PM CST
Astronomical Twilight 5:37 AM CST 6:06 PM CST
Moon 9:49 AM CST (12/16) 8:43 PM CST (12/16)
Length of Visible Light 10h 10m
Length of Day
9h 06m
Waxing Crescent, 16% of the Moon is Illuminated
Dec 16
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:43 AM 48.2 °F - 44.6 °F 87% 29.57 in 6.0 mi SW 15.0 mph - 0.02 in Rain Light Rain
12:54 AM 48.0 °F - 45.0 °F 89% 29.58 in 6.0 mi SW 11.5 mph - 0.02 in Rain Light Rain
1:54 AM 46.9 °F - 45.0 °F 93% 29.58 in 7.0 mi WSW 11.5 mph 18.4 mph 0.01 in   Overcast
2:09 AM 46.4 °F 41.1 °F 44.6 °F 93% 29.58 in 10.0 mi WSW 11.5 mph - N/A   Overcast
2:19 AM 46.4 °F 42.4 °F 44.6 °F 93% 29.58 in 10.0 mi WSW 8.1 mph - N/A   Overcast
2:54 AM 46.9 °F - 43.0 °F 86% 29.59 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Overcast
3:54 AM 45.0 °F 39.7 °F 42.1 °F 90% 29.60 in 10.0 mi WSW 10.4 mph 18.4 mph 0.00 in   Light Drizzle
4:54 AM 45.0 °F 39.7 °F 42.1 °F 90% 29.60 in 10.0 mi WSW 10.4 mph - 0.00 in   Overcast
5:54 AM 44.1 °F 37.7 °F 39.9 °F 85% 29.61 in 10.0 mi West 12.7 mph 19.6 mph N/A   Overcast
6:54 AM 43.0 °F 36.8 °F 39.9 °F 89% 29.63 in 10.0 mi WSW 11.5 mph 20.7 mph N/A   Overcast
7:54 AM 42.1 °F 36.6 °F 39.0 °F 89% 29.65 in 10.0 mi WSW 9.2 mph - N/A   Overcast
8:24 AM 41.0 °F 33.5 °F 37.4 °F 87% 29.64 in 10.0 mi West 13.8 mph - N/A   Overcast
8:40 AM 41.0 °F 33.9 °F 37.4 °F 87% 29.65 in 10.0 mi West 12.7 mph 19.6 mph N/A   Overcast
8:54 AM 41.0 °F 34.3 °F 37.0 °F 86% 29.66 in 10.0 mi West 11.5 mph 23.0 mph N/A   Overcast
9:41 AM 39.2 °F 31.6 °F 37.4 °F 93% 29.66 in 9.0 mi West 12.7 mph - N/A   Overcast
9:54 AM 39.9 °F 32.9 °F 37.0 °F 89% 29.68 in 7.0 mi West 11.5 mph - N/A   Overcast
10:54 AM 39.9 °F 32.5 °F 36.0 °F 86% 29.68 in 7.0 mi West 12.7 mph 19.6 mph N/A   Overcast
11:54 AM 39.0 °F 30.6 °F 35.1 °F 86% 29.67 in 10.0 mi West 15.0 mph 20.7 mph N/A   Overcast
12:54 PM 39.0 °F 32.3 °F 35.1 °F 86% 29.67 in 10.0 mi WNW 10.4 mph - N/A   Overcast
1:54 PM 39.0 °F 31.4 °F 34.0 °F 82% 29.67 in 10.0 mi WNW 12.7 mph - N/A   Overcast
2:20 PM 39.2 °F 33.6 °F 33.8 °F 81% 29.66 in 10.0 mi West 8.1 mph - N/A   Overcast
2:54 PM 39.0 °F 31.8 °F 33.1 °F 79% 29.68 in 10.0 mi WNW 11.5 mph - N/A   Overcast
3:19 PM 39.2 °F 33.6 °F 33.8 °F 81% 29.66 in 10.0 mi NW 8.1 mph - N/A   Overcast
3:54 PM 39.0 °F 32.8 °F 33.1 °F 79% 29.67 in 10.0 mi NW 9.2 mph - N/A   Overcast
4:54 PM 37.9 °F 30.5 °F 34.0 °F 86% 29.69 in 10.0 mi WNW 11.5 mph - N/A   Overcast
5:54 PM 37.9 °F 33.5 °F 33.1 °F 83% 29.72 in 10.0 mi WNW 5.8 mph - N/A   Overcast
6:54 PM 37.9 °F 35.5 °F 34.0 °F 86% 29.74 in 10.0 mi West 3.5 mph - N/A   Overcast
7:46 PM 37.4 °F 33.8 °F 33.8 °F 87% 29.74 in 10.0 mi West 4.6 mph - N/A   Overcast
7:54 PM 37.9 °F 35.5 °F 34.0 °F 86% 29.75 in 10.0 mi WSW 3.5 mph - N/A   Overcast
8:54 PM 37.9 °F 35.5 °F 33.1 °F 83% 29.75 in 10.0 mi WNW 3.5 mph - N/A   Overcast
9:54 PM 37.9 °F 33.5 °F 33.1 °F 83% 29.75 in 10.0 mi West 5.8 mph - N/A   Overcast
10:54 PM 37.9 °F 34.4 °F 33.1 °F 83% 29.75 in 9.0 mi West 4.6 mph - N/A   Overcast
11:54 PM 37.0 °F 31.6 °F 33.1 °F 86% 29.76 in 9.0 mi WNW 6.9 mph - N/A   Overcast