Alpena, MI

2:17 AM EDT on July 25, 2017 (GMT -0400)
Alpena County Regional

Weather History for KAPN - September, 2011

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Monday, September 12, 2011

  Actual Average Record
Temperature  
Mean Temperature 71 °F 59 °F  
Max Temperature 85 °F 71 °F 97 °F (1931)
Min Temperature 56 °F 48 °F 28 °F (1943)
Degree Days  
Heating Degree Days 0 7  
Month to date heating degree days 56 63  
Since 1 July heating degree days 72 178  
Cooling Degree Days 6 1  
Month to date cooling degree days 26 14  
Year to date cooling degree days 399 280  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 68    
Maximum Humidity 93    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in 0.10 in 1.80 in (1953)
Month to date precipitation 1.06 1.20  
Year to date precipitation 25.43 19.98  
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 5 mph (SSW)    
Max Wind Speed 13 mph    
Max Gust Speed 23 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. 12, 2011 Rise Set
Actual Time 7:08 AM EDT 7:51 PM EDT
Civil Twilight 6:39 AM EDT 8:20 PM EDT
Nautical Twilight 6:03 AM EDT 8:56 PM EDT
Astronomical Twilight 5:27 AM EDT 9:32 PM EDT
Moon 7:34 PM EDT (9/12) 7:28 AM EDT (9/12)
Length of Visible Light 13h 41m
Length of Day
12h 42m
Full, 100% of the Moon is Illuminated
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 64.0 °F - 55.9 °F 75% 29.89 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
1:54 AM 64.0 °F - 55.9 °F 75% 29.88 in 10.0 mi SSW 5.8 mph - N/A   Clear
2:54 AM 63.0 °F - 55.9 °F 78% 29.88 in 10.0 mi WSW 3.5 mph - N/A   Clear
3:54 AM 62.1 °F - 55.9 °F 80% 29.87 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 61.0 °F - 55.9 °F 83% 29.87 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 62.1 °F - 57.0 °F 84% 29.87 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
6:54 AM 62.1 °F - 57.0 °F 84% 29.87 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:54 AM 59.0 °F - 57.0 °F 93% 29.89 in 2.5 mi Calm Calm - N/A   Clear
8:00 AM 59.0 °F - 55.4 °F 88% 29.90 in 7.0 mi Calm Calm - N/A   Partly Cloudy
8:54 AM 64.0 °F - 59.0 °F 84% 29.91 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
9:54 AM 66.9 °F - 59.0 °F 76% 29.91 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 69.1 °F - 61.0 °F 75% 29.91 in 10.0 mi SE 3.5 mph - N/A   Clear
11:54 AM 75.0 °F - 62.1 °F 64% 29.89 in 10.0 mi SSW 4.6 mph - N/A   Clear
12:54 PM 78.1 °F - 63.0 °F 60% 29.86 in 10.0 mi Calm Calm - N/A   Clear
1:54 PM 82.0 °F 83.0 °F 62.1 °F 51% 29.83 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
2:54 PM 82.9 °F 83.2 °F 60.1 °F 46% 29.81 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
3:54 PM 84.9 °F 84.4 °F 59.0 °F 41% 29.78 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
4:54 PM 84.9 °F 84.4 °F 59.0 °F 41% 29.75 in 10.0 mi SW 8.1 mph - N/A   Clear
5:54 PM 82.0 °F 82.1 °F 59.0 °F 45% 29.74 in 10.0 mi SSW 5.8 mph - N/A   Clear
6:54 PM 81.0 °F 81.3 °F 59.0 °F 47% 29.72 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
7:54 PM 73.0 °F - 60.1 °F 64% 29.72 in 10.0 mi South 8.1 mph - N/A   Clear
8:54 PM 75.0 °F - 59.0 °F 57% 29.72 in 10.0 mi SSW 8.1 mph - N/A   Clear
9:54 PM 73.9 °F - 59.0 °F 59% 29.71 in 10.0 mi South 10.4 mph - N/A   Clear
10:54 PM 73.0 °F - 57.9 °F 59% 29.69 in 10.0 mi SSW 11.5 mph - N/A   Clear
11:54 PM 72.0 °F - 59.0 °F 64% 29.67 in 10.0 mi SSW 9.2 mph - N/A   Clear