Weather History for Alpena, MI

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Thursday, February 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 14 °F 21 °F  
Max Temperature 21 °F 31 °F 50 °F (1975)
Min Temperature 7 °F 12 °F -18 °F (1936)
Degree Days  
Heating Degree Days 51 44  
Month to date heating degree days 993 950  
Since 1 July heating degree days 5060 5432  
Moisture  
Dew Point 8 °F    
Average Humidity 73    
Maximum Humidity 84    
Minimum Humidity 62    
Precipitation  
Precipitation T in 0.05 in 1.51 in (1997)
Month to date precipitation 0.98 0.94  
Year to date precipitation 3.75 2.60  
Snow  
Snow 0.20 in 0.60 in 6.10 in (2009)
Month to date snowfall 9.6 13.3  
Since 1 July snowfall 30.6 61.9  
Snow Depth 4.00 in    
Sea Level Pressure  
Sea Level Pressure 30.40 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 21 mph    
Max Gust Speed 25 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 21, 2013 Rise Set
Actual Time 7:25 AM EST 6:10 PM EST
Civil Twilight 6:55 AM EST 6:40 PM EST
Nautical Twilight 6:21 AM EST 7:15 PM EST
Astronomical Twilight 5:47 AM EST 7:49 PM EST
Moon 2:17 PM EST 4:36 AM EST
Length of Visible Light 11h 45m
Length of Day
10h 45m
Waxing Gibbous, 83% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 10.0 °F -6.5 °F 3.9 °F 76% 30.30 in 7.0 mi NNW 15.0 mph 21.9 mph 0.00 in Snow Light Snow
1:54 AM 9.0 °F -6.6 °F 3.0 °F 77% 30.31 in 10.0 mi North 12.7 mph 20.7 mph 0.00 in   Overcast
2:54 AM 9.0 °F -4.2 °F 3.0 °F 77% 30.32 in 7.0 mi North 9.2 mph - 0.00 in Snow Light Snow
3:54 AM 8.1 °F -9.0 °F 1.9 °F 76% 30.34 in 10.0 mi NW 15.0 mph - 0.00 in   Overcast
4:54 AM 7.0 °F -9.8 °F 1.0 °F 77% 30.36 in 10.0 mi NNW 13.8 mph - N/A   Overcast
5:54 AM 7.0 °F -8.3 °F 1.0 °F 77% 30.38 in 10.0 mi NNW 11.5 mph - N/A   Overcast
6:54 AM 8.1 °F -3.2 °F 1.9 °F 76% 30.39 in 10.0 mi NNW 6.9 mph - N/A   Overcast
7:54 AM 8.1 °F -0.5 °F 3.0 °F 80% 30.43 in 10.0 mi WNW 4.6 mph - N/A   Overcast
8:00 AM 8.6 °F 0.1 °F 3.2 °F 79% 30.38 in 10.0 mi WNW 4.6 mph - N/A   Overcast
8:42 AM 8.6 °F -1.3 °F 3.2 °F 79% 30.40 in 6.0 mi WNW 5.8 mph - 0.00 in Snow Light Snow
8:54 AM 9.0 °F -2.2 °F 3.0 °F 77% 30.46 in 6.0 mi WNW 6.9 mph - 0.00 in Snow Light Snow
9:14 AM 8.6 °F -1.3 °F 3.2 °F 79% 30.41 in 5.0 mi NW 5.8 mph - 0.00 in Snow Light Snow
9:54 AM 10.0 °F -3.7 °F 5.0 °F 80% 30.45 in 9.0 mi North 10.4 mph - 0.00 in Snow Light Snow
10:54 AM 10.4 °F -3.3 °F 6.8 °F 85% 30.37 in 7.0 mi North 10.4 mph - N/A Snow Light Snow
11:54 AM 14.0 °F 6.5 °F 7.0 °F 74% 30.44 in 6.0 mi NNE 4.6 mph - N/A Snow Light Snow
12:30 PM 15.8 °F - 8.6 °F 73% 30.39 in 7.0 mi Calm Calm - 0.00 in Snow Light Snow
12:54 PM 16.0 °F 8.8 °F 8.1 °F 71% 30.43 in 9.0 mi NNE 4.6 mph - 0.00 in Snow Light Snow
1:54 PM 18.0 °F - 9.0 °F 68% 30.44 in 9.0 mi Calm Calm - 0.00 in   Mostly Cloudy
2:19 PM 19.4 °F - 8.6 °F 63% 30.39 in 9.0 mi Calm Calm - N/A   Scattered Clouds
2:54 PM 19.9 °F 12.1 °F 9.0 °F 62% 30.43 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
3:54 PM 19.9 °F 9.3 °F 10.0 °F 65% 30.42 in 10.0 mi NNE 9.2 mph - N/A   Clear
4:54 PM 19.0 °F 8.2 °F 10.0 °F 68% 30.41 in 10.0 mi North 9.2 mph - N/A   Clear
5:54 PM 16.0 °F 4.4 °F 10.0 °F 77% 30.44 in 10.0 mi North 9.2 mph - N/A   Clear
6:17 PM 15.8 °F 6.1 °F 12.2 °F 86% 30.39 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
6:54 PM 17.1 °F 10.0 °F 12.9 °F 84% 30.45 in 10.0 mi North 4.6 mph - N/A   Overcast
7:05 PM 17.6 °F 9.3 °F 14.0 °F 86% 30.39 in 10.0 mi North 5.8 mph - N/A   Overcast
7:54 PM 18.0 °F - 14.0 °F 84% 30.44 in 10.0 mi Calm Calm - N/A   Overcast
8:34 PM 17.6 °F - 14.0 °F 86% 30.38 in 10.0 mi Calm Calm - N/A   Overcast
8:54 PM 18.0 °F - 14.0 °F 84% 30.42 in 10.0 mi Calm Calm - N/A   Overcast
9:47 PM 19.4 °F - 14.0 °F 80% 30.36 in 10.0 mi Calm Calm - N/A   Overcast
9:54 PM 19.0 °F - 14.0 °F 81% 30.41 in 10.0 mi Calm Calm - N/A   Overcast
10:54 PM 19.0 °F - 15.1 °F 85% 30.36 in 10.0 mi Calm Calm - N/A   Overcast
11:54 PM 19.9 °F - 16.0 °F 85% 30.37 in 10.0 mi Calm Calm - N/A   Overcast