Grand Rapids, MI

10:16 PM EDT on April 26, 2017 (GMT -0400)
Gerald R. Ford International

Weather History for KGRR - September, 2012

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Tuesday, September 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 67 °F 65 °F  
Max Temperature 81 °F 75 °F 94 °F (1931)
Min Temperature 53 °F 55 °F 32 °F (1943)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 9 22  
Since 1 July heating degree days 18 42  
Cooling Degree Days 2 3  
Month to date cooling degree days 65 38  
Year to date cooling degree days 1027 663  
Growing Degree Days 17 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 63    
Maximum Humidity 89    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in 0.14 in 3.21 in (1986)
Month to date precipitation 1.23 1.51  
Year to date precipitation 23.45 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 30.14 in    
Wind  
Wind Speed 10 mph (South)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 11, 2012 Rise Set
Actual Time 7:17 AM EDT 7:58 PM EDT
Civil Twilight 6:49 AM EDT 8:26 PM EDT
Nautical Twilight 6:15 AM EDT 9:00 PM EDT
Astronomical Twilight 5:40 AM EDT 9:35 PM EDT
Moon 2:29 AM EDT (9/11) 5:12 PM EDT (9/11)
Length of Visible Light 13h 37m
Length of Day
12h 40m
Waning Crescent, 21% of the Moon is Illuminated
Sep 11
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last 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 54.0 °F - 50.0 °F 86% 30.15 in 10.0 mi SSE 5.8 mph - N/A   Clear
1:53 AM 54.0 °F - 48.9 °F 83% 30.15 in 10.0 mi SSE 6.9 mph - N/A   Clear
2:53 AM 53.1 °F - 48.0 °F 83% 30.15 in 10.0 mi SSE 5.8 mph - N/A   Clear
3:53 AM 53.1 °F - 48.0 °F 83% 30.15 in 10.0 mi South 8.1 mph - N/A   Clear
4:53 AM 53.1 °F - 46.9 °F 80% 30.15 in 10.0 mi South 6.9 mph - N/A   Clear
5:53 AM 55.9 °F - 48.0 °F 75% 30.16 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
6:53 AM 55.9 °F - 48.0 °F 75% 30.17 in 10.0 mi South 10.4 mph - N/A   Partly Cloudy
7:53 AM 55.9 °F - 48.9 °F 77% 30.18 in 10.0 mi South 10.4 mph - N/A   Partly Cloudy
8:53 AM 61.0 °F - 51.1 °F 70% 30.18 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
9:53 AM 66.9 °F - 52.0 °F 59% 30.18 in 10.0 mi SSW 9.2 mph - N/A   Partly Cloudy
10:53 AM 71.1 °F - 51.1 °F 49% 30.18 in 10.0 mi SSW 15.0 mph 24.2 mph N/A   Partly Cloudy
11:53 AM 73.9 °F - 52.0 °F 46% 30.18 in 10.0 mi SSW 17.3 mph - N/A   Scattered Clouds
12:53 PM 77.0 °F - 53.1 °F 43% 30.17 in 10.0 mi SW 15.0 mph 24.2 mph N/A   Partly Cloudy
1:53 PM 78.1 °F - 53.1 °F 42% 30.15 in 10.0 mi SW 12.7 mph 21.9 mph N/A   Partly Cloudy
2:53 PM 80.1 °F 80.0 °F 54.0 °F 40% 30.13 in 10.0 mi SW 11.5 mph - N/A   Partly Cloudy
3:53 PM 80.1 °F - 52.0 °F 38% 30.12 in 10.0 mi SSW 15.0 mph 21.9 mph N/A   Scattered Clouds
4:53 PM 80.1 °F 79.9 °F 53.1 °F 39% 30.11 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
5:53 PM 80.1 °F 79.9 °F 53.1 °F 39% 30.10 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
6:53 PM 78.1 °F - 54.0 °F 43% 30.09 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
7:53 PM 73.9 °F - 54.0 °F 50% 30.10 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
8:53 PM 69.1 °F - 54.0 °F 58% 30.11 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
9:53 PM 66.0 °F - 53.1 °F 63% 30.12 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
10:53 PM 64.9 °F - 54.0 °F 68% 30.12 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
11:53 PM 64.0 °F - 54.0 °F 70% 30.13 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds