Grand Rapids, MI

11:47 PM EST on December 14, 2017 (GMT -0500)
Gerald R. Ford International

Weather History for KGRR - December, 2012

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 31 °F 26 °F  
Max Temperature 37 °F 32 °F 60 °F (1965)
Min Temperature 24 °F 20 °F -14 °F (1976)
Degree Days  
Heating Degree Days 34 39  
Month to date heating degree days 919 1110  
Since 1 July heating degree days 2228 2449  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1039 699  
Moisture  
Dew Point 22 °F    
Average Humidity 72    
Maximum Humidity 81    
Minimum Humidity 63    
Precipitation  
Precipitation 0.00 in 0.08 in 0.75 in (1978)
Month to date precipitation 2.85 2.50  
Year to date precipitation 33.85 38.27  
Snow  
Snow 0.00 in 0.80 in 9.70 in (1957)
Month to date snowfall 7.2 21.9  
Since 1 July snowfall 7.5 29.2  
Snow Depth 2.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 12 mph (WSW)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 9 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

Dec. 31, 2012 Rise Set
Actual Time 8:12 AM EST 5:17 PM EST
Civil Twilight 7:40 AM EST 5:50 PM EST
Nautical Twilight 7:05 AM EST 6:25 PM EST
Astronomical Twilight 6:30 AM EST 7:00 PM EST
Moon 8:53 PM EST (12/31) 9:49 AM EST (12/31)
Length of Visible Light 10h 09m
Length of Day
9h 04m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 24.1 °F 15.2 °F 19.0 °F 81% 30.12 in 7.0 mi South 8.1 mph - N/A   Clear
1:53 AM 26.1 °F 17.6 °F 19.0 °F 75% 30.08 in 8.0 mi South 8.1 mph - N/A   Clear
2:53 AM 28.9 °F 18.6 °F 19.9 °F 69% 30.04 in 10.0 mi SSW 12.7 mph - N/A   Clear
3:53 AM 28.9 °F 19.8 °F 19.9 °F 69% 30.03 in 10.0 mi SSW 10.4 mph - N/A   Clear
4:53 AM 28.9 °F 17.7 °F 21.0 °F 72% 30.00 in 10.0 mi SSW 15.0 mph 23.0 mph N/A   Clear
5:53 AM 28.9 °F 17.7 °F 21.0 °F 72% 30.00 in 10.0 mi SSW 15.0 mph 21.9 mph N/A   Mostly Cloudy
6:53 AM 28.9 °F 17.7 °F 21.9 °F 75% 29.99 in 10.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
7:11 AM 30.2 °F 19.8 °F 23.0 °F 75% 29.95 in 10.0 mi SSW 13.8 mph - N/A   Overcast
7:35 AM 30.2 °F 20.2 °F 24.8 °F 80% 29.95 in 10.0 mi SSW 12.7 mph - N/A   Overcast
7:53 AM 30.9 °F 21.7 °F 24.1 °F 76% 29.98 in 10.0 mi SSW 11.5 mph - N/A   Overcast
8:53 AM 32.0 °F 23.0 °F 26.1 °F 79% 29.97 in 10.0 mi SSW 11.5 mph - N/A   Overcast
9:22 AM 33.8 °F 25.8 °F 26.6 °F 75% 29.93 in 10.0 mi SW 10.4 mph - N/A   Overcast
9:53 AM 34.0 °F 26.0 °F 27.0 °F 75% 29.97 in 10.0 mi SW 10.4 mph - N/A   Overcast
10:53 AM 37.0 °F 28.1 °F 28.0 °F 70% 29.99 in 10.0 mi West 15.0 mph 21.9 mph N/A   Overcast
11:53 AM 37.0 °F 26.2 °F 27.0 °F 67% 29.97 in 10.0 mi West 21.9 mph 27.6 mph N/A   Overcast
12:53 PM 36.0 °F 26.0 °F 27.0 °F 70% 29.95 in 9.0 mi West 17.3 mph - N/A   Overcast
1:53 PM 35.1 °F 25.9 °F 26.1 °F 70% 29.94 in 9.0 mi West 13.8 mph - N/A   Overcast
2:53 PM 33.1 °F 23.9 °F 25.0 °F 72% 29.96 in 7.0 mi West 12.7 mph - N/A   Overcast
3:51 PM 30.2 °F 19.3 °F 24.8 °F 80% 29.96 in 5.0 mi West 15.0 mph 19.6 mph N/A   Haze
3:53 PM 30.9 °F 20.2 °F 25.0 °F 79% 29.99 in 5.0 mi West 15.0 mph 19.6 mph N/A   Haze
4:53 PM 30.9 °F 21.2 °F 25.0 °F 79% 30.00 in 5.0 mi WNW 12.7 mph - N/A   Haze
5:53 PM 30.0 °F 21.1 °F 24.1 °F 79% 30.01 in 7.0 mi NW 10.4 mph - N/A   Overcast
6:16 PM 30.2 °F 20.8 °F 23.0 °F 75% 29.99 in 8.0 mi WNW 11.5 mph - N/A   Overcast
6:53 PM 30.0 °F 21.7 °F 21.9 °F 72% 30.03 in 8.0 mi WNW 9.2 mph - N/A   Overcast
7:53 PM 28.9 °F 19.8 °F 19.9 °F 69% 30.04 in 9.0 mi NW 10.4 mph - N/A   Overcast
8:53 PM 28.9 °F 19.8 °F 19.0 °F 67% 30.06 in 9.0 mi WNW 10.4 mph - N/A   Overcast
9:53 PM 27.0 °F 16.1 °F 18.0 °F 69% 30.05 in 10.0 mi NNW 12.7 mph - N/A   Overcast
10:53 PM 27.0 °F 19.5 °F 16.0 °F 63% 30.06 in 10.0 mi NNW 6.9 mph - N/A   Overcast
11:18 PM 26.6 °F 18.2 °F 15.8 °F 64% 30.04 in 10.0 mi NNW 8.1 mph - N/A   Overcast
11:53 PM 27.0 °F 20.5 °F 15.1 °F 61% 30.07 in 10.0 mi NW 5.8 mph - N/A   Overcast