Weather History for Alpena, MI

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Tuesday, September 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 48 °F 57 °F  
Max Temperature 55 °F 68 °F 93 °F (1955)
Min Temperature 40 °F 46 °F 27 °F (1990)
Degree Days  
Heating Degree Days 17 9  
Month to date heating degree days 80 110  
Since 1 July heating degree days 122 225  
Cooling Degree Days 0 1  
Month to date cooling degree days 24 20  
Year to date cooling degree days 482 286  
Moisture  
Dew Point 46 °F    
Average Humidity 80    
Maximum Humidity 100    
Minimum Humidity 59    
Precipitation  
Precipitation 0.14 in 0.09 in 1.35 in (1978)
Month to date precipitation 0.96 1.77  
Year to date precipitation 18.96 20.55  
Sea Level Pressure  
Sea Level Pressure 29.73 in    
Wind  
Wind Speed 9 mph (NW)    
Max Wind Speed 20 mph    
Max Gust Speed 24 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 18, 2012 Rise Set
Actual Time 7:17 AM EDT 7:38 PM EDT
Civil Twilight 6:47 AM EDT 8:07 PM EDT
Nautical Twilight 6:12 AM EDT 8:42 PM EDT
Astronomical Twilight 5:37 AM EDT 9:18 PM EDT
Moon 10:26 AM EDT (9/18) 8:48 PM EDT (9/18)
Length of Visible Light 13h 20m
Length of Day
12h 21m
Waxing Crescent, 9% of the Moon is Illuminated
Sep 18
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:10 AM 55.4 °F - 55.4 °F 100% 29.69 in 7.0 mi NW 5.8 mph - N/A Rain Light Rain
12:19 AM 55.4 °F - 53.6 °F 94% 29.69 in 9.0 mi NW 9.2 mph 18.4 mph 0.01 in Rain Light Rain
12:35 AM 55.4 °F - 53.6 °F 94% 29.69 in 7.0 mi NW 9.2 mph - 0.03 in Rain Light Rain
12:51 AM 53.6 °F - 53.6 °F 100% 29.68 in 8.0 mi NW 9.2 mph - 0.04 in Rain Light Rain
12:54 AM 54.0 °F - 53.1 °F 97% 29.68 in 7.0 mi NNW 9.2 mph - 0.04 in Rain Rain
1:08 AM 53.6 °F - 53.6 °F 100% 29.68 in 2.5 mi NW 6.9 mph - 0.03 in Rain Rain
1:22 AM 53.6 °F - 51.8 °F 94% 29.67 in 8.0 mi NW 8.1 mph - 0.09 in Rain Light Rain
1:54 AM 53.1 °F - 52.0 °F 96% 29.68 in 5.0 mi NW 9.2 mph - 0.10 in Rain Light Rain
2:54 AM 52.0 °F - 51.1 °F 97% 29.67 in 5.0 mi NNW 10.4 mph - 0.02 in Rain Light Rain
3:27 AM 51.8 °F - 50.0 °F 94% 29.67 in 7.0 mi NW 8.1 mph - 0.03 in Rain Light Rain
3:34 AM 51.8 °F - 50.0 °F 94% 29.67 in 10.0 mi NW 6.9 mph - 0.03 in Rain Light Rain
3:41 AM 51.8 °F - 50.0 °F 94% 29.67 in 10.0 mi NW 6.9 mph - 0.03 in   Overcast
3:49 AM 51.8 °F - 50.0 °F 94% 29.66 in 10.0 mi NNW 11.5 mph - 0.03 in   Overcast
3:54 AM 51.1 °F - 50.0 °F 96% 29.67 in 10.0 mi NW 10.4 mph - 0.03 in   Overcast
4:38 AM 51.8 °F - 50.0 °F 94% 29.66 in 10.0 mi NW 4.6 mph - 0.00 in   Overcast
4:54 AM 51.1 °F - 50.0 °F 96% 29.67 in 10.0 mi NW 5.8 mph - 0.00 in   Overcast
5:23 AM 51.8 °F - 48.2 °F 88% 29.65 in 10.0 mi NW 8.1 mph - N/A   Overcast
5:54 AM 50.0 °F - 48.0 °F 93% 29.67 in 10.0 mi NW 10.4 mph 16.1 mph 0.00 in   Overcast
6:54 AM 50.0 °F - 46.9 °F 89% 29.68 in 10.0 mi NW 8.1 mph - N/A   Overcast
7:54 AM 48.9 °F - 46.0 °F 90% 29.69 in 10.0 mi NNW 9.2 mph - N/A   Overcast
8:00 AM 48.2 °F - 46.4 °F 93% 29.68 in 10.0 mi NNW 10.4 mph - N/A   Overcast
8:54 AM 48.9 °F - 45.0 °F 86% 29.70 in 10.0 mi NNW 10.4 mph - N/A   Overcast
9:54 AM 50.0 °F - 44.1 °F 80% 29.70 in 10.0 mi North 11.5 mph - N/A   Overcast
10:54 AM 50.0 °F - 43.0 °F 77% 29.71 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Overcast
11:54 AM 51.1 °F - 42.1 °F 71% 29.72 in 10.0 mi NW 17.3 mph - N/A   Overcast
12:54 PM 51.1 °F - 41.0 °F 68% 29.72 in 10.0 mi NW 12.7 mph 20.7 mph N/A   Overcast
1:54 PM 51.1 °F - 42.1 °F 71% 29.73 in 10.0 mi NW 8.1 mph - N/A   Overcast
2:03 PM 50.0 °F - 41.0 °F 71% 29.72 in 10.0 mi NW 15.0 mph 20.7 mph N/A   Overcast
2:54 PM 51.1 °F - 39.9 °F 66% 29.74 in 10.0 mi NNW 13.8 mph 20.7 mph N/A   Overcast
3:05 PM 51.8 °F - 39.2 °F 62% 29.73 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
3:54 PM 54.0 °F - 41.0 °F 62% 29.74 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
4:54 PM 53.1 °F - 39.0 °F 59% 29.75 in 10.0 mi NNW 13.8 mph 18.4 mph N/A   Overcast
5:54 PM 52.0 °F - 39.0 °F 61% 29.78 in 10.0 mi WNW 8.1 mph - N/A   Overcast
6:54 PM 46.0 °F 41.9 °F 41.0 °F 83% 29.81 in 10.0 mi NW 8.1 mph - 0.00 in   Overcast
7:42 PM 46.4 °F 41.9 °F 42.8 °F 87% 29.82 in 10.0 mi NNW 9.2 mph - 0.00 in   Overcast
7:54 PM 46.0 °F 43.1 °F 42.1 °F 86% 29.83 in 10.0 mi NNW 5.8 mph - 0.00 in   Overcast
8:16 PM 44.6 °F - 42.8 °F 93% 29.82 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:54 PM 45.0 °F 42.6 °F 42.1 °F 90% 29.86 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
9:54 PM 44.1 °F - 41.0 °F 89% 29.88 in 10.0 mi Calm Calm - 0.00 in   Mostly Cloudy
10:54 PM 43.0 °F 40.3 °F 39.9 °F 89% 29.89 in 10.0 mi West 4.6 mph - N/A   Clear
11:54 PM 41.0 °F 38.0 °F 37.9 °F 89% 29.90 in 10.0 mi West 4.6 mph - N/A   Clear