Weather History for Ann Arbor, MI

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Wednesday, August 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 84 °F 76 °F 90 °F (2003)
Min Temperature 57 °F 54 °F 45 °F (2004)
Cooling Degree Days 6    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 1 mph (SSW)    
Max Wind Speed 18 mph    
Max Gust Speed 84 mph    
Visibility 4 miles    
Events Fog    
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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Astronomy

Aug. 21, 2013 Rise Set
Actual Time 6:48 AM EDT 8:26 PM EDT
Civil Twilight 6:19 AM EDT 8:55 PM EDT
Nautical Twilight 5:43 AM EDT 9:31 PM EDT
Astronomical Twilight 5:04 AM EDT 10:09 PM EDT
Moon 8:31 PM EDT (8/21) 7:29 AM EDT (8/21)
Length of Visible Light 14h 36m
Length of Day
13h 37m
Full, 100% of the Moon is Illuminated
Aug 21
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 68.0 °F - 64.0 °F 87% 30.12 in 9.0 mi Calm Calm - N/A   Clear
1:53 AM 64.0 °F - 63.0 °F 96% 30.12 in 6.0 mi Calm Calm - N/A   Clear
2:02 AM 62.6 °F - 62.6 °F 100% 30.13 in 1.8 mi Calm Calm - N/A   Clear
2:09 AM 62.6 °F - 62.6 °F 100% 30.13 in 0.8 mi Calm Calm - N/A   Clear
2:26 AM 62.6 °F - 62.6 °F 100% 30.13 in 1.5 mi Calm Calm - N/A   Clear
2:29 AM 60.8 °F - 60.8 °F 100% 30.13 in 4.0 mi Calm Calm - N/A   Clear
2:53 AM 61.0 °F - 61.0 °F 100% 30.11 in 2.0 mi Calm Calm - N/A   Clear
2:55 AM 60.8 °F - 60.8 °F 100% 30.12 in 0.8 mi Calm Calm - N/A   Clear
3:17 AM 62.6 °F - 62.6 °F 100% 30.12 in 0.2 mi Calm Calm - N/A Fog Fog
3:26 AM 62.6 °F - 62.6 °F 100% 30.12 in 0.5 mi Calm Calm - N/A Fog Fog
3:33 AM 60.8 °F - 60.8 °F 100% 30.12 in 1.2 mi Calm Calm - N/A   Clear
3:37 AM 60.8 °F - 60.8 °F 100% 30.12 in 3.0 mi Calm Calm - N/A   Clear
3:44 AM 60.8 °F - 59.0 °F 94% 30.12 in 2.5 mi Calm Calm - N/A   Clear
3:53 AM 57.9 °F - 57.9 °F 100% 30.12 in 1.0 mi Calm Calm - N/A   Clear
4:00 AM 59.0 °F - 59.0 °F 100% 30.12 in 0.2 mi Calm Calm - N/A Fog Fog
4:11 AM 57.2 °F - 57.2 °F 100% 30.12 in 0.2 mi Calm Calm - N/A Fog Fog
4:21 AM 59.0 °F - 59.0 °F 100% 30.12 in 2.0 mi Calm Calm - N/A   Partly Cloudy
4:28 AM 60.8 °F - 59.0 °F 94% 30.12 in 1.2 mi Calm Calm - N/A   Scattered Clouds
4:34 AM 59.0 °F - 59.0 °F 100% 30.12 in 0.2 mi Calm Calm - N/A Fog Fog
4:53 AM 59.0 °F - 59.0 °F 100% 30.11 in 0.2 mi Calm Calm - N/A Fog Fog
5:00 AM 60.8 °F - 60.8 °F 100% 30.12 in 1.0 mi Calm Calm - N/A   Mist
5:07 AM 57.2 °F - 57.2 °F 100% 30.12 in 1.5 mi Calm Calm - N/A   Partly Cloudy
5:20 AM 59.0 °F - 59.0 °F 100% 30.12 in 3.0 mi Calm Calm - N/A   Clear
5:53 AM 57.9 °F - 57.9 °F 100% 30.11 in 3.0 mi Calm Calm - N/A   Clear
6:04 AM 60.8 °F - 60.8 °F 100% 30.13 in 1.8 mi Calm Calm - N/A   Clear
6:07 AM 60.8 °F - 60.8 °F 100% 30.13 in 0.8 mi Calm Calm - N/A   Clear
6:26 AM 60.8 °F - 59.0 °F 94% 30.12 in 0.2 mi Calm Calm - N/A Fog Fog
6:53 AM 57.9 °F - 57.9 °F 100% 30.12 in 0.2 mi Calm Calm - N/A Fog Fog
7:00 AM 57.2 °F - 57.2 °F 100% 30.13 in 0.2 mi Calm Calm - N/A Fog Fog
7:13 AM 57.2 °F - 57.2 °F 100% 30.14 in 0.2 mi Calm Calm - N/A Fog Fog
7:28 AM 60.8 °F - 60.8 °F 100% 30.14 in 1.2 mi Calm Calm - N/A   Partly Cloudy
7:40 AM 60.8 °F - 60.8 °F 100% 30.15 in 1.8 mi Calm Calm - N/A   Clear
7:48 AM 62.6 °F - 62.6 °F 100% 30.15 in 2.0 mi Calm Calm - N/A   Clear
7:53 AM 62.1 °F - 61.0 °F 96% 30.14 in 2.0 mi Calm Calm - N/A   Clear
8:19 AM 64.4 °F - 64.4 °F 100% 30.16 in 3.0 mi SSW 3.5 mph - N/A   Clear
8:48 AM 69.8 °F - 64.4 °F 83% 30.16 in 4.0 mi SW 18.4 mph 178.4 mph N/A   Clear
8:53 AM 69.1 °F - 64.9 °F 87% 30.14 in 4.0 mi SW 3.5 mph 84.0 mph N/A   Clear
9:53 AM 75.0 °F - 66.0 °F 73% 30.14 in 7.0 mi SSW 6.9 mph - N/A   Clear
10:53 AM 79.0 °F - 66.9 °F 66% 30.13 in 8.0 mi SW 8.1 mph - N/A   Clear
11:53 AM 81.0 °F 83.8 °F 68.0 °F 65% 30.13 in 9.0 mi SSW 9.2 mph - N/A   Clear
12:53 PM 82.9 °F 86.5 °F 69.1 °F 63% 30.12 in 9.0 mi SSW 9.2 mph - N/A   Partly Cloudy
1:53 PM 82.9 °F 85.4 °F 66.9 °F 58% 30.09 in 9.0 mi SSW 9.2 mph - N/A   Scattered Clouds
2:53 PM 84.0 °F 87.0 °F 68.0 °F 58% 30.08 in 8.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
3:53 PM 82.0 °F 84.5 °F 66.9 °F 60% 30.06 in 8.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
4:53 PM 84.9 °F 87.6 °F 66.9 °F 55% 30.04 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
5:53 PM 84.0 °F 85.8 °F 64.9 °F 53% 30.04 in 10.0 mi SW 11.5 mph - N/A   Partly Cloudy
6:53 PM 82.0 °F 84.1 °F 66.0 °F 58% 30.03 in 10.0 mi SSW 5.8 mph - N/A   Clear
7:53 PM 78.1 °F - 66.9 °F 68% 30.01 in 10.0 mi SSW 4.6 mph - N/A   Clear
8:53 PM 72.0 °F - 68.0 °F 87% 30.00 in 9.0 mi Calm Calm - N/A   Clear
9:53 PM 68.0 °F - 66.9 °F 96% 30.04 in 9.0 mi Calm Calm - N/A   Clear
10:53 PM 66.9 °F - 66.0 °F 97% 30.05 in 7.0 mi WSW 3.5 mph - N/A   Clear
11:53 PM 70.0 °F - 66.0 °F 87% 30.04 in 9.0 mi Calm Calm - N/A   Clear