Weather History for Ann Arbor, MI

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Friday, September 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F -  
Max Temperature 81 °F 69 °F 81 °F (2013)
Min Temperature 64 °F 43 °F 37 °F (2003)
Cooling Degree Days 8    
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 67 °F    
Average Humidity 88    
Maximum Humidity 97    
Minimum Humidity 64    
Precipitation  
Precipitation 0.74 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 8 mph (SW)    
Max Wind Speed 16 mph    
Max Gust Speed 22 mph    
Visibility 5 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. 20, 2013 Rise Set
Actual Time 7:20 AM EDT 7:35 PM EDT
Civil Twilight 6:52 AM EDT 8:03 PM EDT
Nautical Twilight 6:19 AM EDT 8:36 PM EDT
Astronomical Twilight 5:45 AM EDT 9:09 PM EDT
Moon 8:05 PM EDT (9/20) 8:36 AM EDT (9/20)
Length of Visible Light 13h 10m
Length of Day
12h 14m
Full, 98% of the Moon is Illuminated
Sep 20
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:25 AM 68.0 °F - 66.2 °F 94% 29.93 in 7.0 mi South 8.1 mph - N/A   Partly Cloudy
12:53 AM 66.9 °F - 66.0 °F 97% 29.92 in 7.0 mi SSW 4.6 mph - N/A   Scattered Clouds
1:10 AM 68.0 °F - 66.2 °F 94% 29.92 in 6.0 mi South 5.8 mph - N/A   Mostly Cloudy
1:53 AM 68.0 °F - 66.0 °F 93% 29.91 in 5.0 mi South 4.6 mph - N/A   Overcast
2:28 AM 69.8 °F - 66.2 °F 88% 29.91 in 6.0 mi South 11.5 mph 16.1 mph 0.02 in Rain , Thunderstorm Light Rain
2:31 AM 69.8 °F - 66.2 °F 88% 29.91 in 2.0 mi SSW 12.7 mph 19.6 mph 0.12 in Rain , Thunderstorm Rain
2:35 AM 68.0 °F - 66.2 °F 94% 29.91 in 1.2 mi South 12.7 mph 19.6 mph 0.20 in Rain , Thunderstorm Heavy Thunderstorms and Rain
2:42 AM 68.0 °F - 66.2 °F 94% 29.90 in 2.0 mi South 12.7 mph 19.6 mph 0.22 in Rain , Thunderstorm Light Thunderstorms and Rain
2:50 AM 69.8 °F - 66.2 °F 88% 29.90 in 3.0 mi South 12.7 mph 21.9 mph 0.26 in Rain , Thunderstorm Thunderstorms and Rain
2:53 AM 69.1 °F - 66.9 °F 93% 29.88 in 3.0 mi South 13.8 mph 21.9 mph 0.27 in Rain , Thunderstorm Light Thunderstorms and Rain
3:14 AM 69.8 °F - 66.2 °F 88% 29.90 in 5.0 mi SSW 9.2 mph - 0.07 in Rain , Thunderstorm Thunderstorms and Rain
3:22 AM 69.8 °F - 66.2 °F 88% 29.89 in 8.0 mi South 6.9 mph - 0.07 in Rain , Thunderstorm Light Thunderstorms and Rain
3:53 AM 70.0 °F - 68.0 °F 93% 29.88 in 6.0 mi SSW 5.8 mph - 0.07 in   Overcast
4:10 AM 69.8 °F - 68.0 °F 94% 29.89 in 6.0 mi South 4.6 mph - N/A Thunderstorm Overcast
4:25 AM 69.8 °F - 66.2 °F 88% 29.89 in 6.0 mi South 5.8 mph - N/A   Overcast
4:53 AM 69.1 °F - 66.9 °F 93% 29.86 in 5.0 mi Calm Calm - N/A   Overcast
5:53 AM 69.1 °F - 66.9 °F 93% 29.86 in 4.0 mi South 4.6 mph - N/A   Overcast
6:53 AM 69.1 °F - 68.0 °F 96% 29.85 in 3.0 mi South 5.8 mph - N/A   Overcast
7:51 AM 69.8 °F - 68.0 °F 94% 29.85 in 2.0 mi South 6.9 mph - N/A   Overcast
7:53 AM 70.0 °F - 68.0 °F 93% 29.84 in 2.0 mi South 5.8 mph - N/A   Overcast
8:06 AM 69.8 °F - 68.0 °F 94% 29.85 in 1.8 mi SSE 8.1 mph - N/A   Overcast
8:19 AM 69.8 °F - 68.0 °F 94% 29.85 in 2.0 mi SSW 6.9 mph - N/A   Overcast
8:53 AM 70.0 °F - 69.1 °F 97% 29.84 in 2.0 mi SSW 6.9 mph - N/A   Overcast
9:15 AM 69.8 °F - 68.0 °F 94% 29.86 in 1.8 mi SSW 8.1 mph - N/A   Overcast
9:23 AM 69.8 °F - 68.0 °F 94% 29.86 in 2.0 mi SSW 6.9 mph - N/A   Overcast
9:53 AM 71.1 °F - 69.1 °F 93% 29.84 in 2.0 mi SSW 6.9 mph - N/A   Overcast
10:20 AM 73.4 °F - 69.8 °F 88% 29.85 in 3.0 mi SW 8.1 mph - N/A   Overcast
10:49 AM 73.4 °F - 69.8 °F 88% 29.85 in 5.0 mi SW 10.4 mph - N/A   Overcast
10:53 AM 73.9 °F - 70.0 °F 87% 29.83 in 5.0 mi SW 10.4 mph - N/A   Overcast
11:42 AM 78.8 °F - 69.8 °F 74% 29.84 in 9.0 mi SW 9.2 mph - N/A   Mostly Cloudy
11:53 AM 78.1 °F - 69.1 °F 74% 29.81 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
12:53 PM 80.1 °F 83.2 °F 70.0 °F 71% 29.80 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
1:05 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.81 in 9.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
1:35 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.80 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
1:53 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.78 in 10.0 mi WSW 13.8 mph - N/A   Mostly Cloudy
2:53 PM 80.1 °F 82.3 °F 66.9 °F 64% 29.77 in 10.0 mi West 16.1 mph - N/A   Overcast
3:53 PM 77.0 °F - 64.9 °F 66% 29.76 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
4:42 PM 71.6 °F - 66.2 °F 83% 29.78 in 1.8 mi West 10.4 mph - 0.04 in Rain Rain
4:51 PM 71.6 °F - 66.2 °F 83% 29.78 in 3.0 mi WSW 9.2 mph - 0.06 in Rain Light Rain
4:53 PM 71.1 °F - 66.9 °F 87% 29.77 in 5.0 mi WSW 8.1 mph - 0.06 in Rain Light Rain
5:53 PM 70.0 °F - 68.0 °F 93% 29.76 in 9.0 mi Calm Calm - 0.03 in   Overcast
6:53 PM 70.0 °F - 66.9 °F 90% 29.75 in 9.0 mi SW 3.5 mph - N/A   Clear
7:53 PM 69.1 °F - 66.9 °F 93% 29.76 in 7.0 mi SSW 5.8 mph - 0.00 in Rain Light Rain
8:53 PM 69.1 °F - 66.9 °F 93% 29.76 in 5.0 mi SSW 4.6 mph - 0.03 in Rain Light Rain
9:53 PM 68.0 °F - 66.9 °F 96% 29.76 in 5.0 mi SW 5.8 mph - 0.03 in Rain Light Rain
10:01 PM 69.8 °F - 66.2 °F 88% 29.77 in 5.0 mi SW 4.6 mph - 0.00 in Rain Light Rain
10:12 PM 69.8 °F - 66.2 °F 88% 29.76 in 5.0 mi SSW 5.8 mph - 0.01 in Rain Light Rain
10:53 PM 68.0 °F - 66.0 °F 93% 29.75 in 3.0 mi WNW 8.1 mph - 0.09 in Rain Heavy Rain
11:24 PM 66.2 °F - 64.4 °F 94% 29.76 in 2.5 mi West 11.5 mph - 0.09 in Rain Rain
11:30 PM 66.2 °F - 64.4 °F 94% 29.76 in 3.0 mi West 8.1 mph - 0.11 in Rain Rain
11:53 PM 64.9 °F - 63.0 °F 93% 29.74 in 8.0 mi WNW 4.6 mph - 0.16 in Rain Light Rain