Weather History for Grand Rapids, MI

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Sunday, October 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F 49 °F  
Max Temperature 62 °F 58 °F 85 °F (1953)
Min Temperature 37 °F 40 °F 18 °F (1974)
Degree Days  
Heating Degree Days 15 16  
Month to date heating degree days 288 264  
Since 1 July heating degree days 422 416  
Cooling Degree Days 0 0  
Month to date cooling degree days 2 4  
Year to date cooling degree days 1037 696  
Moisture  
Dew Point 40 °F    
Average Humidity 72    
Maximum Humidity 100    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in 0.10 in 2.13 in (1933)
Month to date precipitation 4.15 2.20  
Year to date precipitation 28.34 31.20  
Snow  
Snow 0.00 in 0.10 in 1.10 in (1976)
Month to date snowfall T 0.2  
Since 1 July snowfall T 0.2  
Since 1 September snowfall T 0.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 5 mph (South)    
Max Wind Speed 13 mph    
Max Gust Speed 20 mph    
Visibility 7 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 21, 2012 Rise Set
Actual Time 8:03 AM EDT 6:49 PM EDT
Civil Twilight 7:34 AM EDT 7:18 PM EDT
Nautical Twilight 7:01 AM EDT 7:51 PM EDT
Astronomical Twilight 6:28 AM EDT 8:23 PM EDT
Moon 2:26 PM EDT (10/21) No Moon Set
Length of Visible Light 11h 43m
Length of Day
10h 45m
Waxing Crescent, 45% of the Moon is Illuminated
Oct 21
Waxing Crescent
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New

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 42.1 °F 39.2 °F 39.9 °F 92% 29.94 in 6.0 mi SW 4.6 mph - N/A   Clear
1:53 AM 39.9 °F - 37.9 °F 93% 29.96 in 5.0 mi Calm Calm - N/A   Clear
2:11 AM 39.2 °F 37.0 °F 39.2 °F 100% 29.95 in 2.0 mi SSW 3.5 mph - N/A   Clear
2:27 AM 39.2 °F 37.0 °F 39.2 °F 100% 29.96 in 4.0 mi SW 3.5 mph - N/A   Clear
2:53 AM 39.9 °F 37.8 °F 37.9 °F 93% 29.97 in 5.0 mi SSW 3.5 mph - N/A   Clear
3:53 AM 39.9 °F - 39.0 °F 97% 29.99 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 37.9 °F 35.5 °F 36.0 °F 93% 30.01 in 3.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
5:53 AM 37.0 °F 34.5 °F 36.0 °F 96% 30.02 in 3.0 mi South 3.5 mph - N/A   Clear
6:53 AM 37.9 °F 35.5 °F 36.0 °F 93% 30.03 in 4.0 mi South 3.5 mph - N/A   Clear
7:53 AM 39.0 °F 36.8 °F 37.0 °F 93% 30.05 in 4.0 mi South 3.5 mph - N/A   Clear
8:53 AM 39.9 °F 35.8 °F 39.0 °F 97% 30.06 in 4.0 mi South 5.8 mph - N/A   Partly Cloudy
9:53 AM 48.0 °F - 45.0 °F 89% 30.08 in 6.0 mi South 5.8 mph - N/A   Partly Cloudy
10:53 AM 52.0 °F - 46.9 °F 83% 30.09 in 8.0 mi South 5.8 mph - N/A   Scattered Clouds
11:53 AM 57.0 °F - 44.1 °F 62% 30.09 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
12:53 PM 57.9 °F - 43.0 °F 58% 30.09 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
1:53 PM 60.1 °F - 42.1 °F 51% 30.07 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
2:53 PM 60.1 °F - 42.1 °F 51% 30.06 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
3:53 PM 62.1 °F - 42.1 °F 48% 30.04 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
4:53 PM 62.1 °F - 39.9 °F 44% 30.04 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
5:53 PM 60.1 °F - 42.1 °F 51% 30.04 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
6:53 PM 55.9 °F - 39.9 °F 55% 30.05 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
7:53 PM 53.1 °F - 39.9 °F 61% 30.06 in 10.0 mi SE 4.6 mph - N/A   Partly Cloudy
8:53 PM 50.0 °F - 39.9 °F 68% 30.06 in 10.0 mi SE 3.5 mph - N/A   Clear
9:53 PM 48.0 °F - 39.9 °F 74% 30.07 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 46.0 °F 43.9 °F 39.9 °F 79% 30.07 in 10.0 mi SE 4.6 mph - N/A   Clear
11:53 PM 45.0 °F 41.8 °F 39.9 °F 82% 30.06 in 10.0 mi SSE 5.8 mph - N/A   Clear