Weather History for Rockford, IL

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Friday, September 28, 2012

  Actual Average Record
Temperature  
Mean Temperature 56 °F 58 °F  
Max Temperature 71 °F 70 °F 91 °F (1952)
Min Temperature 40 °F 47 °F 24 °F (1942)
Degree Days  
Heating Degree Days 9 8  
Month to date heating degree days 134 100  
Since 1 July heating degree days 136 114  
Cooling Degree Days 0 1  
Month to date cooling degree days 92 82  
Year to date cooling degree days 1221 809  
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 41 °F    
Average Humidity 66    
Maximum Humidity 100    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.10 in 2.15 in (1999)
Month to date precipitation 1.74 3.15  
Year to date precipitation 17.84 28.81  
Snow  
Snow 0.00 in 0.00 in 0.00 in ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 4 mph (North)    
Max Wind Speed 7 mph    
Max Gust Speed 9 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 28, 2012 Rise Set
Actual Time 6:50 AM CDT 6:42 PM CDT
Civil Twilight 6:22 AM CDT 7:10 PM CDT
Nautical Twilight 5:50 AM CDT 7:42 PM CDT
Astronomical Twilight 5:17 AM CDT 8:15 PM CDT
Moon 5:44 PM CDT (9/28) 5:20 AM CDT (9/28)
Length of Visible Light 12h 47m
Length of Day
11h 51m
Waxing Gibbous, 98% of the Moon is Illuminated
Sep 28
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
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 42.1 °F - 41.0 °F 96% 30.21 in 7.0 mi Calm Calm - N/A   Partly Cloudy
1:54 AM 43.0 °F - 41.0 °F 93% 30.22 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:54 AM 43.0 °F 41.3 °F 41.0 °F 93% 30.20 in 8.0 mi North 3.5 mph - N/A   Partly Cloudy
3:54 AM 42.1 °F 40.2 °F 39.9 °F 92% 30.21 in 10.0 mi North 3.5 mph - N/A   Clear
4:54 AM 41.0 °F - 39.0 °F 93% 30.20 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 41.0 °F - 39.0 °F 93% 30.21 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 39.9 °F - 39.0 °F 97% 30.22 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:54 AM 44.1 °F 42.5 °F 42.1 °F 93% 30.23 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
8:54 AM 50.0 °F - 44.1 °F 80% 30.24 in 10.0 mi North 8.1 mph - N/A   Clear
9:54 AM 57.9 °F - 43.0 °F 58% 30.25 in 10.0 mi North 8.1 mph - N/A   Clear
10:54 AM 62.1 °F - 43.0 °F 50% 30.25 in 10.0 mi NNE 11.5 mph - N/A   Clear
11:54 AM 64.9 °F - 43.0 °F 45% 30.24 in 10.0 mi North 8.1 mph - N/A   Clear
12:54 PM 66.9 °F - 42.1 °F 40% 30.22 in 10.0 mi NNE 8.1 mph - N/A   Clear
1:54 PM 69.8 °F - 42.8 °F 38% 30.18 in 10.0 mi NNE 4.6 mph - N/A   Clear
2:54 PM 70.0 °F - 39.9 °F 33% 30.17 in 10.0 mi North 9.2 mph - N/A   Clear
3:54 PM 70.0 °F - 39.0 °F 32% 30.14 in 10.0 mi NNW 3.5 mph - N/A   Clear
4:54 PM 70.0 °F - 37.9 °F 31% 30.14 in 10.0 mi NNE 5.8 mph - N/A   Clear
5:54 PM 68.0 °F - 37.9 °F 33% 30.14 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
6:54 PM 62.1 °F - 39.0 °F 43% 30.15 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
7:54 PM 57.0 °F - 39.9 °F 53% 30.15 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:54 PM 51.1 °F - 41.0 °F 68% 30.16 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:54 PM 50.0 °F - 43.0 °F 77% 30.16 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:54 PM 48.0 °F - 42.1 °F 80% 30.15 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 46.9 °F - 41.0 °F 80% 30.15 in 10.0 mi Calm Calm - N/A   Mostly Cloudy