Weather History for Ann Arbor, MI

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Friday, May 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 73 °F 65 °F 88 °F (1999)
Min Temperature 50 °F 44 °F 35 °F (2005)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 41 °F    
Average Humidity 48    
Maximum Humidity 68    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 7 mph (East)    
Max Wind Speed 12 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
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

May. 17, 2013 Rise Set
Actual Time 6:11 AM EDT 8:51 PM EDT
Civil Twilight 5:39 AM EDT 9:24 PM EDT
Nautical Twilight 4:58 AM EDT 10:04 PM EDT
Astronomical Twilight 4:12 AM EDT 10:51 PM EDT
Moon 12:46 PM EDT (5/17) 1:40 AM EDT (5/17)
Length of Visible Light 15h 44m
Length of Day
14h 39m
Waxing Crescent, 45% of the Moon is Illuminated
May 17
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 55.0 °F 37.0 °F 51% 30.03 in 10.0 mi NE 6.9 mph - N/A   Clear
1:53 AM 52.0 °F 37.0 °F 57% 30.03 in 10.0 mi NE 6.9 mph - N/A   Clear
2:53 AM 51.1 °F 37.0 °F 59% 30.04 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
3:53 AM 51.1 °F 37.9 °F 61% 30.04 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
4:53 AM 50.0 °F 39.0 °F 66% 30.06 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
5:53 AM 50.0 °F 39.0 °F 66% 30.08 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
6:53 AM 51.1 °F 41.0 °F 68% 30.09 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
8:53 AM 55.9 °F 43.0 °F 62% 30.13 in 10.0 mi East 9.2 mph - N/A   Clear
9:53 AM 61.0 °F 44.1 °F 54% 30.13 in 10.0 mi East 4.6 mph - N/A   Clear
10:53 AM 64.9 °F 45.0 °F 48% 30.14 in 10.0 mi East 6.9 mph - N/A   Clear
11:53 AM 68.0 °F 44.1 °F 42% 30.13 in 10.0 mi ESE 8.1 mph - N/A   Clear
12:53 PM 70.0 °F 45.0 °F 41% 30.13 in 10.0 mi ESE 6.9 mph - N/A   Clear
1:53 PM 71.1 °F 44.1 °F 38% 30.13 in 10.0 mi East 8.1 mph - N/A   Clear
2:53 PM 72.0 °F 44.1 °F 37% 30.12 in 10.0 mi East 6.9 mph - N/A   Clear
4:53 PM 73.0 °F 42.1 °F 33% 30.09 in 10.0 mi ESE 9.2 mph 18.4 mph N/A   Clear
5:53 PM 73.0 °F 41.0 °F 31% 30.10 in 10.0 mi East 5.8 mph - N/A   Clear
6:53 PM 69.1 °F 41.0 °F 36% 30.10 in 10.0 mi ESE 10.4 mph - N/A   Clear
7:53 PM 68.0 °F 39.9 °F 36% 30.12 in 10.0 mi ESE 9.2 mph - N/A   Overcast
8:53 PM 66.0 °F 39.9 °F 38% 30.13 in 10.0 mi East 11.5 mph 17.3 mph N/A   Mostly Cloudy
9:53 PM 62.1 °F 45.0 °F 53% 30.13 in 10.0 mi ESE 8.1 mph - N/A   Mostly Cloudy
10:53 PM 61.0 °F 42.1 °F 50% 30.14 in 10.0 mi ESE 10.4 mph - N/A   Partly Cloudy
11:53 PM 60.1 °F 34.0 °F 38% 30.15 in 10.0 mi East 8.1 mph - N/A   Partly Cloudy