Weather History for Rockford, IL

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Saturday, April 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 38 °F 51 °F  
Max Temperature 47 °F 63 °F 89 °F (1987)
Min Temperature 28 °F 40 °F 25 °F (1956)
Degree Days  
Heating Degree Days 27 14  
Month to date heating degree days 426 354  
Since 1 July heating degree days 6255 6218  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 21 °F    
Average Humidity 58    
Maximum Humidity 82    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.11 in 2.46 in (1929)
Month to date precipitation 7.54 2.22  
Year to date precipitation 15.90 7.32  
Snow  
Snow 0.00 in 0.00 in T in (1959)
Month to date snowfall T 0.8  
Since 1 July snowfall 40.5 36.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.26 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 16 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 20, 2013 Rise Set
Actual Time 6:07 AM CDT 7:43 PM CDT
Civil Twilight 5:37 AM CDT 8:13 PM CDT
Nautical Twilight 5:02 AM CDT 8:49 PM CDT
Astronomical Twilight 4:24 AM CDT 9:27 PM CDT
Moon 2:21 PM CDT (4/20) 3:02 AM CDT (4/20)
Length of Visible Light 14h 35m
Length of Day
13h 36m
Waxing Gibbous, 71% of the Moon is Illuminated
Apr 20
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 33.1 °F 25.5 °F 28.0 °F 82% 30.00 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
1:54 AM 32.0 °F 22.5 °F 24.1 °F 73% 30.02 in 10.0 mi NW 12.7 mph - N/A   Scattered Clouds
2:54 AM 30.9 °F 24.3 °F 24.1 °F 76% 30.04 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
3:54 AM 30.0 °F 21.7 °F 23.0 °F 75% 30.07 in 10.0 mi NW 9.2 mph - N/A   Clear
4:54 AM 30.0 °F 24.1 °F 21.9 °F 72% 30.09 in 10.0 mi NW 5.8 mph - N/A   Clear
5:54 AM 28.0 °F 22.8 °F 21.0 °F 75% 30.14 in 10.0 mi NW 4.6 mph - N/A   Clear
6:54 AM 30.0 °F 25.2 °F 21.9 °F 72% 30.17 in 10.0 mi WNW 4.6 mph - N/A   Clear
7:54 AM 33.1 °F 26.9 °F 21.9 °F 64% 30.20 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
8:54 AM 36.0 °F 29.0 °F 19.0 °F 50% 30.23 in 10.0 mi NW 9.2 mph - N/A   Clear
9:54 AM 37.9 °F 32.1 °F 19.0 °F 47% 30.26 in 10.0 mi NW 8.1 mph 16.1 mph N/A   Clear
10:54 AM 39.0 °F 35.7 °F 19.0 °F 45% 30.30 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
11:54 AM 39.9 °F 35.1 °F 19.0 °F 43% 30.30 in 10.0 mi WNW 6.9 mph 19.6 mph N/A   Scattered Clouds
12:54 PM 43.0 °F 36.4 °F 19.0 °F 38% 30.30 in 10.0 mi NW 12.7 mph 16.1 mph N/A   Mostly Cloudy
1:54 PM 44.1 °F 40.1 °F 21.0 °F 40% 30.31 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
2:54 PM 45.0 °F 40.6 °F 19.0 °F 36% 30.32 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
3:54 PM 46.9 °F - 19.0 °F 33% 30.32 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
4:54 PM 44.1 °F 41.5 °F 18.0 °F 35% 30.33 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
5:54 PM 45.0 °F 41.2 °F 18.0 °F 34% 30.34 in 10.0 mi North 6.9 mph - N/A   Partly Cloudy
6:54 PM 44.1 °F - 18.0 °F 35% 30.34 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:54 PM 39.9 °F - 18.0 °F 41% 30.37 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:54 PM 37.0 °F 33.3 °F 23.0 °F 57% 30.40 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
9:54 PM 34.0 °F 29.8 °F 23.0 °F 64% 30.41 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
10:54 PM 35.1 °F 30.1 °F 21.0 °F 57% 30.42 in 10.0 mi ESE 5.8 mph - N/A   Partly Cloudy
11:54 PM 34.0 °F 26.6 °F 25.0 °F 70% 30.43 in 10.0 mi SE 9.2 mph - N/A   Partly Cloudy