Grand Rapids, MI

2:13 AM EDT on March 26, 2017 (GMT -0400)
Gerald R. Ford International

Weather History for KGRR - September, 2012

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Sunday, September 23, 2012

  Actual Average Record
Temperature  
Mean Temperature 49 °F 60 °F  
Max Temperature 57 °F 70 °F 90 °F (1937)
Min Temperature 40 °F 50 °F 28 °F (1974)
Degree Days  
Heating Degree Days 16 6  
Month to date heating degree days 79 77  
Since 1 July heating degree days 88 97  
Cooling Degree Days 0 1  
Month to date cooling degree days 73 60  
Year to date cooling degree days 1035 685  
Moisture  
Dew Point 39 °F    
Average Humidity 68    
Maximum Humidity 93    
Minimum Humidity 43    
Precipitation  
Precipitation T in 0.15 in 2.13 in (2000)
Month to date precipitation 1.97 3.31  
Year to date precipitation 24.19 28.03  
Snow  
Snow 0.00 in 0.00 in T in (1928)
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 30.18 in    
Wind  
Wind Speed 7 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 26 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. 23, 2012 Rise Set
Actual Time 7:31 AM EDT 7:36 PM EDT
Civil Twilight 7:02 AM EDT 8:04 PM EDT
Nautical Twilight 6:29 AM EDT 8:37 PM EDT
Astronomical Twilight 5:55 AM EDT 9:11 PM EDT
Moon 3:45 PM EDT (9/23) 12:34 AM EDT (9/23)
Length of Visible Light 13h 02m
Length of Day
12h 05m
First Quarter, 60% of the Moon is Illuminated
Sep 23
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.9 °F - 45.0 °F 86% 30.11 in 10.0 mi Calm Calm - 0.00 in   Overcast
1:53 AM 46.9 °F - 45.0 °F 93% 30.11 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
2:53 AM 46.0 °F - 44.1 °F 93% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 46.0 °F - 44.1 °F 93% 30.13 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 46.9 °F - 45.0 °F 93% 30.14 in 10.0 mi WSW 3.5 mph - N/A   Overcast
5:53 AM 46.0 °F 44.8 °F 44.1 °F 93% 30.16 in 10.0 mi SW 3.5 mph - 0.00 in   Mostly Cloudy
6:53 AM 45.0 °F 43.5 °F 39.9 °F 82% 30.17 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
7:53 AM 45.0 °F - 39.0 °F 80% 30.18 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 48.9 °F - 39.9 °F 71% 30.18 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
9:53 AM 51.1 °F - 39.9 °F 66% 30.20 in 10.0 mi WNW 4.6 mph - N/A   Scattered Clouds
10:53 AM 53.1 °F - 37.0 °F 55% 30.20 in 10.0 mi NW 11.5 mph - N/A   Scattered Clouds
11:53 AM 53.1 °F - 36.0 °F 52% 30.20 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
12:53 PM 55.0 °F - 34.0 °F 45% 30.20 in 10.0 mi WNW 15.0 mph 23.0 mph N/A   Mostly Cloudy
1:53 PM 54.0 °F - 34.0 °F 47% 30.20 in 10.0 mi West 17.3 mph 21.9 mph N/A   Mostly Cloudy
2:53 PM 53.1 °F - 36.0 °F 52% 30.20 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
3:53 PM 54.0 °F - 36.0 °F 51% 30.21 in 10.0 mi WNW 15.0 mph 21.9 mph N/A   Mostly Cloudy
4:53 PM 54.0 °F - 36.0 °F 51% 30.20 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
5:53 PM 53.1 °F - 35.1 °F 50% 30.21 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
6:53 PM 52.0 °F - 35.1 °F 53% 30.21 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
7:53 PM 50.0 °F - 34.0 °F 54% 30.21 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
8:53 PM 46.9 °F - 36.0 °F 66% 30.22 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
9:53 PM 48.0 °F - 37.9 °F 68% 30.23 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 PM 44.1 °F 42.5 °F 37.9 °F 79% 30.23 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
11:53 PM 43.0 °F 41.3 °F 37.9 °F 82% 30.22 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds