Weather History for Rockford, IL

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Friday, May 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 62 °F 58 °F  
Max Temperature 78 °F 70 °F 91 °F (2011)
Min Temperature 46 °F 47 °F 28 °F (1907)
Degree Days  
Heating Degree Days 3 8  
Month to date heating degree days 50 98  
Since 1 July heating degree days 5290 6438  
Cooling Degree Days 0 1  
Month to date cooling degree days 17 9  
Year to date cooling degree days 55 17  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 47    
Maximum Humidity 61    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.12 in 2.14 in (1966)
Month to date precipitation 0.46 1.26  
Year to date precipitation 9.22 9.71  
Snow  
Snow 0.00 in 0.00 in 1.00 in (1966)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 24.3 36.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 11 mph (SSW)    
Max Wind Speed 23 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

May. 11, 2012 Rise Set
Actual Time 5:39 AM CDT 8:07 PM CDT
Civil Twilight 5:07 AM CDT 8:38 PM CDT
Nautical Twilight 4:28 AM CDT 9:18 PM CDT
Astronomical Twilight 3:44 AM CDT 10:02 PM CDT
Moon 12:45 AM CDT (5/11) 11:12 AM CDT (5/11)
Length of Visible Light 15h 31m
Length of Day
14h 27m
Waning Gibbous, 63% of the Moon is Illuminated
May 11
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 51.1 °F 32.0 °F 48% 30.06 in 10.0 mi South 3.5 mph - N/A   Clear
1:54 AM 50.0 °F 30.9 °F 48% 30.06 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 48.9 °F 33.1 °F 54% 30.06 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 48.0 °F 33.1 °F 56% 30.08 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 48.0 °F 33.1 °F 56% 30.08 in 10.0 mi SSE 3.5 mph - N/A   Clear
5:54 AM 48.0 °F 32.0 °F 54% 30.09 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 48.9 °F 36.0 °F 61% 30.11 in 10.0 mi SSE 4.6 mph - N/A   Clear
7:54 AM 57.0 °F 37.9 °F 49% 30.11 in 10.0 mi South 9.2 mph - N/A   Clear
8:54 AM 64.0 °F 39.9 °F 41% 30.10 in 10.0 mi South 16.1 mph - N/A   Partly Cloudy
9:54 AM 68.0 °F 43.0 °F 40% 30.11 in 10.0 mi SSW 16.1 mph - N/A   Scattered Clouds
10:54 AM 70.0 °F 45.0 °F 41% 30.10 in 10.0 mi SSW 17.3 mph 23.0 mph N/A   Mostly Cloudy
11:54 AM 73.0 °F 46.0 °F 38% 30.09 in 10.0 mi South 19.6 mph - N/A   Partly Cloudy
12:54 PM 73.9 °F 46.9 °F 38% 30.09 in 10.0 mi South 17.3 mph 26.5 mph N/A   Scattered Clouds
1:54 PM 77.0 °F 46.9 °F 34% 30.07 in 10.0 mi SSW 20.7 mph 26.5 mph N/A   Partly Cloudy
2:54 PM 75.9 °F 48.0 °F 37% 30.06 in 10.0 mi South 17.3 mph 25.3 mph N/A   Scattered Clouds
3:54 PM 75.9 °F 48.0 °F 37% 30.05 in 10.0 mi SSW 17.3 mph 25.3 mph N/A   Scattered Clouds
4:54 PM 77.0 °F 48.9 °F 37% 30.04 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy
5:54 PM 77.0 °F 48.9 °F 37% 30.05 in 10.0 mi SSW 16.1 mph - N/A   Overcast
6:54 PM 77.0 °F 48.9 °F 37% 30.04 in 10.0 mi SSW 13.8 mph 21.9 mph N/A   Overcast
7:54 PM 73.0 °F 50.0 °F 44% 30.05 in 10.0 mi SSW 10.4 mph - N/A   Overcast
8:54 PM 71.1 °F 50.0 °F 47% 30.06 in 10.0 mi SSW 10.4 mph - N/A   Overcast
9:54 PM 70.0 °F 50.0 °F 49% 30.09 in 10.0 mi SSW 10.4 mph - N/A   Overcast
10:54 PM 68.0 °F 51.1 °F 55% 30.09 in 10.0 mi SSW 10.4 mph - N/A   Overcast
11:54 PM 66.9 °F 51.1 °F 57% 30.10 in 10.0 mi SSW 10.4 mph - N/A   Overcast