Weather History for Grand Rapids, MI

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Sunday, September 11, 2011

  Actual Average Record
Temperature  
Mean Temperature 70 °F 65 °F  
Max Temperature 81 °F 75 °F 94 °F (1931)
Min Temperature 58 °F 55 °F 32 °F (1943)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 24 22  
Since 1 July heating degree days 24 42  
Cooling Degree Days 5 3  
Month to date cooling degree days 63 38  
Year to date cooling degree days 877 663  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 76    
Maximum Humidity 100    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in 0.14 in 3.21 in (1986)
Month to date precipitation 0.21 1.51  
Year to date precipitation 34.85 26.23  
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 30.02 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 5 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 11, 2011 Rise Set
Actual Time 7:17 AM EDT 7:59 PM EDT
Civil Twilight 6:48 AM EDT 8:28 PM EDT
Nautical Twilight 6:14 AM EDT 9:01 PM EDT
Astronomical Twilight 5:39 AM EDT 9:37 PM EDT
Moon 7:20 PM EDT (9/11) 6:35 AM EDT (9/11)
Length of Visible Light 13h 39m
Length of Day
12h 42m
Full, 100% of the Moon is Illuminated
Sep 11
Full
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 62.6 °F - 59.0 °F 88% 30.03 in 8.0 mi Calm Calm - N/A   Clear
1:53 AM 62.1 °F - 59.0 °F 90% 30.02 in 7.0 mi Calm Calm - N/A   Clear
2:53 AM 62.1 °F - 59.0 °F 90% 30.02 in 6.0 mi Calm Calm - N/A   Clear
3:53 AM 60.1 °F - 57.0 °F 90% 30.01 in 4.0 mi Calm Calm - N/A   Clear
4:01 AM 59.0 °F - 57.2 °F 94% 30.02 in 4.0 mi Calm Calm - N/A   Clear
4:14 AM 59.0 °F - 57.2 °F 94% 30.02 in 2.0 mi Calm Calm - N/A   Clear
4:22 AM 57.2 °F - 57.2 °F 100% 30.02 in 1.5 mi South 3.5 mph - N/A   Clear
4:31 AM 57.2 °F - 57.2 °F 100% 30.02 in 1.2 mi Calm Calm - N/A   Partly Cloudy
4:43 AM 57.2 °F - 55.4 °F 94% 30.02 in 2.5 mi Calm Calm - N/A   Partly Cloudy
4:50 AM 57.2 °F - 57.2 °F 100% 30.02 in 2.5 mi South 4.6 mph - N/A   Partly Cloudy
4:53 AM 57.9 °F - 57.0 °F 97% 30.01 in 2.5 mi South 3.5 mph - N/A   Partly Cloudy
5:00 AM 57.2 °F - 57.2 °F 100% 30.02 in 5.0 mi South 5.8 mph - N/A   Clear
5:53 AM 57.9 °F - 55.9 °F 93% 30.02 in 6.0 mi SSE 3.5 mph - N/A   Clear
6:53 AM 57.9 °F - 55.9 °F 93% 30.03 in 4.0 mi Calm Calm - N/A   Partly Cloudy
7:20 AM 59.0 °F - 57.2 °F 94% 30.04 in 1.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
7:37 AM 57.2 °F - 57.2 °F 100% 30.04 in 1.0 mi South 3.5 mph - N/A   Mostly Cloudy
7:53 AM 59.0 °F - 57.9 °F 96% 30.04 in 0.2 mi Calm Calm - N/A Fog Fog
8:34 AM 60.8 °F - 59.0 °F 94% 30.05 in 0.2 mi SW 4.6 mph - N/A   Overcast
8:53 AM 60.1 °F - 60.1 °F 100% 30.05 in 0.2 mi SSW 3.5 mph - N/A Fog Fog
9:53 AM 63.0 °F - 62.1 °F 97% 30.05 in 0.2 mi WSW 4.6 mph - N/A Fog Fog
10:15 AM 64.4 °F - 62.6 °F 94% 30.05 in 0.2 mi West 5.8 mph - N/A Fog Fog
10:17 AM 64.4 °F - 64.4 °F 100% 30.05 in 1.2 mi West 5.8 mph - N/A   Overcast
10:22 AM 64.4 °F - 64.4 °F 100% 30.05 in 3.0 mi West 6.9 mph - N/A   Overcast
10:38 AM 64.4 °F - 64.4 °F 100% 30.05 in 7.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
10:49 AM 66.2 °F - 64.4 °F 94% 30.05 in 8.0 mi West 5.8 mph - N/A   Scattered Clouds
10:53 AM 66.0 °F - 63.0 °F 90% 30.05 in 9.0 mi WSW 5.8 mph - N/A   Scattered Clouds
11:53 AM 71.1 °F - 63.0 °F 75% 30.04 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
12:53 PM 75.0 °F - 59.0 °F 57% 30.03 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
1:53 PM 78.8 °F - 60.8 °F 54% 30.01 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
2:53 PM 77.0 °F - 60.8 °F 57% 29.99 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
3:53 PM 79.0 °F - 60.1 °F 52% 29.96 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
4:53 PM 80.1 °F 80.9 °F 60.1 °F 50% 29.95 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
5:53 PM 78.1 °F - 60.1 °F 54% 29.96 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
6:53 PM 75.9 °F - 60.1 °F 58% 29.96 in 10.0 mi WSW 11.5 mph - N/A   Scattered Clouds
7:53 PM 71.6 °F - 57.2 °F 60% 29.96 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
8:53 PM 68.0 °F - 59.0 °F 73% 29.97 in 10.0 mi SW 5.8 mph - N/A   Clear
9:53 PM 66.9 °F - 59.0 °F 76% 29.99 in 9.0 mi SW 5.8 mph - N/A   Clear
10:53 PM 64.9 °F - 57.9 °F 78% 29.98 in 8.0 mi Calm Calm - N/A   Clear
11:53 PM 64.9 °F - 59.0 °F 81% 29.98 in 8.0 mi SSW 3.5 mph - N/A   Partly Cloudy