Weather History for Alpena, MI

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Sunday, July 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 61 °F 68 °F  
Max Temperature 71 °F 80 °F 96 °F (1955)
Min Temperature 50 °F 56 °F 41 °F (1960)
Degree Days  
Heating Degree Days 4 1  
Month to date heating degree days 25 31  
Since 1 June heating degree days 161 174  
Since 1 July heating degree days 25 31  
Cooling Degree Days 0 4  
Month to date cooling degree days 116 81  
Year to date cooling degree days 193 150  
Since 1 June cooling degree days 180 137  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 73    
Maximum Humidity 93    
Minimum Humidity 53    
Precipitation  
Precipitation T in 0.10 in 1.68 in (1919)
Month to date precipitation 1.14 2.09  
Year to date precipitation 18.10 14.61  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 6 mph (ESE)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jul. 21, 2013 Rise Set
Actual Time 6:07 AM EDT 9:13 PM EDT
Civil Twilight 5:32 AM EDT 9:48 PM EDT
Nautical Twilight 4:47 AM EDT 10:33 PM EDT
Astronomical Twilight 3:52 AM EDT 11:27 PM EDT
Moon 8:08 PM EDT (7/21) 4:53 AM EDT (7/21)
Length of Visible Light 16h 15m
Length of Day
15h 05m
Waxing Gibbous, 98% of the Moon is Illuminated
Jul 21
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 55.0 °F 48.0 °F 77% 30.00 in 10.0 mi NW 5.8 mph - N/A   Clear
1:54 AM 53.1 °F 48.9 °F 86% 30.00 in 10.0 mi NW 3.5 mph - N/A   Clear
2:54 AM 52.0 °F 48.9 °F 89% 30.01 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 51.1 °F 48.9 °F 92% 30.01 in 10.0 mi NW 6.9 mph - N/A   Clear
4:54 AM 50.0 °F 48.9 °F 96% 30.01 in 10.0 mi Calm Calm - N/A   Clear
5:25 AM 50.0 °F 48.2 °F 94% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:54 AM 50.0 °F 48.9 °F 96% 30.03 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
6:54 AM 50.0 °F 48.9 °F 96% 30.03 in 10.0 mi Calm Calm - N/A   Clear
7:49 AM 53.6 °F 51.8 °F 94% 30.04 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
7:54 AM 54.0 °F 52.0 °F 93% 30.05 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
8:54 AM 64.0 °F 54.0 °F 70% 30.05 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
9:10 AM 64.4 °F 53.6 °F 68% 30.05 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
9:52 AM 64.4 °F 53.6 °F 68% 30.05 in 10.0 mi ESE 10.4 mph - N/A   Mostly Cloudy
9:54 AM 64.9 °F 54.0 °F 68% 30.05 in 10.0 mi SE 11.5 mph - N/A   Mostly Cloudy
10:50 AM 66.2 °F 53.6 °F 64% 30.07 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
10:54 AM 66.0 °F 53.1 °F 63% 30.07 in 10.0 mi ESE 6.9 mph - N/A   Overcast
11:54 AM 66.9 °F 52.0 °F 59% 30.08 in 10.0 mi East 8.1 mph - N/A   Overcast
12:54 PM 69.1 °F 53.1 °F 57% 30.06 in 10.0 mi East 6.9 mph - N/A   Clear
1:54 PM 69.1 °F 53.1 °F 57% 30.05 in 10.0 mi East 6.9 mph 17.3 mph N/A   Clear
2:54 PM 69.1 °F 53.1 °F 57% 30.05 in 10.0 mi East 9.2 mph - N/A   Clear
3:54 PM 71.1 °F 54.0 °F 55% 30.03 in 10.0 mi SE 10.4 mph - N/A   Clear
4:54 PM 69.1 °F 54.0 °F 58% 30.02 in 10.0 mi ESE 12.7 mph - N/A   Clear
5:54 PM 68.0 °F 54.0 °F 61% 30.01 in 10.0 mi ESE 11.5 mph - N/A   Clear
6:54 PM 66.9 °F 53.1 °F 61% 29.99 in 10.0 mi ESE 12.7 mph - N/A   Clear
7:54 PM 64.0 °F 52.0 °F 65% 30.00 in 10.0 mi ESE 8.1 mph - N/A   Clear
8:54 PM 63.0 °F 52.0 °F 67% 30.00 in 10.0 mi SE 3.5 mph - N/A   Clear
9:54 PM 60.1 °F 52.0 °F 75% 30.01 in 10.0 mi SSE 3.5 mph - 0.00 in   Clear
10:54 PM 60.1 °F 53.1 °F 78% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:54 PM 60.1 °F 53.1 °F 78% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy