Weather History for Grand Rapids, MI

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Thursday, September 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F 64 °F  
Max Temperature 78 °F 75 °F 95 °F (1952)
Min Temperature 54 °F 54 °F 37 °F (1964)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 2 25  
Since 1 July heating degree days 28 45  
Cooling Degree Days 1 3  
Month to date cooling degree days 75 41  
Year to date cooling degree days 745 666  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 67    
Maximum Humidity 93    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.14 in 1.54 in (1896)
Month to date precipitation 0.77 1.65  
Year to date precipitation 33.09 26.37  
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 29.96 in    
Wind  
Wind Speed 10 mph (NW)    
Max Wind Speed 23 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 12, 2013 Rise Set
Actual Time 7:18 AM EDT 7:56 PM EDT
Civil Twilight 6:50 AM EDT 8:25 PM EDT
Nautical Twilight 6:16 AM EDT 8:59 PM EDT
Astronomical Twilight 5:41 AM EDT 9:33 PM EDT
Moon 2:55 PM EDT (9/12) No Moon Set
Length of Visible Light 13h 35m
Length of Day
12h 38m
Waxing Crescent, 50% of the Moon is Illuminated
Sep 12
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 69.1 °F 64.9 °F 87% 29.96 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
1:53 AM 68.0 °F 64.9 °F 90% 29.94 in 10.0 mi SW 5.8 mph - N/A   Clear
2:53 AM 69.1 °F 66.0 °F 90% 29.94 in 10.0 mi WSW 6.9 mph - N/A   Clear
3:53 AM 68.0 °F 64.9 °F 90% 29.92 in 7.0 mi WSW 8.1 mph - N/A   Clear
4:53 AM 69.1 °F 66.0 °F 90% 29.93 in 7.0 mi West 6.9 mph - N/A   Partly Cloudy
5:53 AM 66.9 °F 64.0 °F 90% 29.94 in 10.0 mi NNW 12.7 mph - N/A   Scattered Clouds
6:53 AM 66.0 °F 59.0 °F 78% 29.94 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
7:53 AM 64.9 °F 57.9 °F 78% 29.96 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
8:53 AM 66.9 °F 59.0 °F 76% 29.97 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
9:53 AM 70.0 °F 55.9 °F 61% 29.97 in 10.0 mi North 10.4 mph - N/A   Partly Cloudy
10:53 AM 73.0 °F 53.1 °F 49% 29.97 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
11:53 AM 75.0 °F 51.1 °F 43% 29.97 in 10.0 mi NW 9.2 mph - N/A   Scattered Clouds
12:53 PM 75.9 °F 50.0 °F 40% 29.96 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
1:53 PM 77.0 °F 52.0 °F 42% 29.95 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
2:53 PM 75.9 °F 52.0 °F 43% 29.94 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
3:53 PM 75.0 °F 51.1 °F 43% 29.92 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
4:53 PM 73.0 °F 57.9 °F 59% 29.93 in 10.0 mi NNW 15.0 mph 20.7 mph N/A   Scattered Clouds
5:53 PM 71.1 °F 54.0 °F 55% 29.94 in 10.0 mi NW 13.8 mph 19.6 mph N/A   Mostly Cloudy
6:53 PM 66.9 °F 54.0 °F 63% 29.96 in 10.0 mi North 9.2 mph - 0.00 in   Mostly Cloudy
7:53 PM 64.9 °F 51.1 °F 61% 29.98 in 10.0 mi NNW 10.4 mph - N/A   Partly Cloudy
8:53 PM 63.0 °F 48.9 °F 60% 30.01 in 10.0 mi North 13.8 mph - N/A   Partly Cloudy
9:53 PM 60.1 °F 46.9 °F 62% 30.04 in 10.0 mi North 15.0 mph 24.2 mph N/A   Partly Cloudy
10:53 PM 59.0 °F 46.0 °F 62% 30.04 in 10.0 mi NNW 11.5 mph - N/A   Partly Cloudy
11:53 PM 55.9 °F 46.9 °F 72% 30.05 in 10.0 mi NNW 10.4 mph - N/A   Partly Cloudy