Weather History for Ann Arbor, MI

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Wednesday, September 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F -  
Max Temperature 90 °F 74 °F 90 °F (2013)
Min Temperature 64 °F 48 °F 39 °F (2012)
Cooling Degree Days 12    
Growing Degree Days 27 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 77    
Maximum Humidity 100    
Minimum Humidity 52    
Precipitation  
Precipitation 0.10 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 22 mph    
Max Gust Speed 39 mph    
Visibility 8 miles    
Events Rain , Thunderstorm    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 11, 2013 Rise Set
Actual Time 7:11 AM EDT 7:51 PM EDT
Civil Twilight 6:42 AM EDT 8:19 PM EDT
Nautical Twilight 6:09 AM EDT 8:52 PM EDT
Astronomical Twilight 5:34 AM EDT 9:27 PM EDT
Moon 1:45 PM EDT (9/11) 11:39 PM EDT (9/11)
Length of Visible Light 13h 36m
Length of Day
12h 40m
Waxing Crescent, 38% of the Moon is Illuminated
Sep 11
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 71.1 °F - 64.9 °F 81% 30.01 in 10.0 mi SSW 3.5 mph - N/A   Clear
1:53 AM 73.0 °F - 64.0 °F 73% 30.01 in 10.0 mi SW 6.9 mph - N/A   Clear
2:53 AM 72.0 °F - 64.9 °F 78% 30.01 in 10.0 mi WSW 5.8 mph - N/A   Clear
3:53 AM 69.1 °F - 64.9 °F 87% 30.01 in 10.0 mi SW 4.6 mph - N/A   Clear
4:53 AM 66.9 °F - 64.0 °F 90% 30.01 in 9.0 mi WSW 3.5 mph - N/A   Clear
5:53 AM 64.9 °F - 63.0 °F 93% 30.01 in 7.0 mi WSW 4.6 mph - N/A   Clear
6:53 AM 66.9 °F - 64.9 °F 93% 30.02 in 6.0 mi Calm Calm - N/A   Clear
7:53 AM 66.0 °F - 64.9 °F 96% 30.03 in 3.0 mi Calm Calm - N/A   Clear
8:53 AM 72.0 °F - 69.1 °F 91% 30.04 in 4.0 mi SW 4.6 mph - N/A   Clear
9:53 AM 78.1 °F - 71.1 °F 79% 30.04 in 7.0 mi SW 6.9 mph - N/A   Clear
10:53 AM 82.9 °F 87.5 °F 71.1 °F 67% 30.03 in 9.0 mi SW 8.1 mph - N/A   Clear
11:53 AM 86.0 °F 91.5 °F 71.1 °F 61% 30.01 in 10.0 mi SW 10.4 mph - N/A   Clear
12:53 PM 88.0 °F 93.8 °F 71.1 °F 57% 30.01 in 10.0 mi WSW 10.4 mph - N/A   Clear
1:53 PM 89.1 °F 94.1 °F 70.0 °F 53% 30.00 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
2:53 PM 89.1 °F 95.0 °F 71.1 °F 55% 29.98 in 10.0 mi West 9.2 mph - N/A   Clear
3:53 PM 89.1 °F 94.1 °F 70.0 °F 53% 29.96 in 10.0 mi SW 5.8 mph 16.1 mph N/A   Clear
4:53 PM 90.0 °F 95.4 °F 70.0 °F 52% 29.92 in 10.0 mi WSW 8.1 mph - N/A   Clear
5:53 PM 84.9 °F 88.8 °F 69.1 °F 59% 29.92 in 10.0 mi WSW 6.9 mph - N/A   Clear
6:27 PM 82.4 °F 87.2 °F 71.6 °F 70% 29.95 in 8.0 mi West 21.9 mph 35.7 mph N/A Thunderstorm Partly Cloudy
6:34 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.96 in 10.0 mi WNW 20.7 mph 39.1 mph N/A Thunderstorm Unknown
6:53 PM 75.0 °F - 66.0 °F 73% 29.98 in 10.0 mi WNW 16.1 mph 28.8 mph 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
7:53 PM 71.1 °F - 68.0 °F 90% 29.97 in 10.0 mi NNW 4.6 mph - 0.09 in Rain Light Rain
8:53 PM 72.0 °F - 68.0 °F 87% 29.97 in 10.0 mi NW 4.6 mph - 0.01 in   Scattered Clouds
9:53 PM 69.1 °F - 68.0 °F 96% 29.98 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 PM 69.1 °F - 68.0 °F 96% 29.98 in 9.0 mi West 3.5 mph - N/A   Scattered Clouds
11:50 PM 68.0 °F - 68.0 °F 100% 29.97 in 1.8 mi Calm Calm - N/A   Mostly Cloudy
11:53 PM 68.0 °F - 66.9 °F 96% 29.95 in 1.0 mi Calm Calm - N/A   Mostly Cloudy