Weather History for Ypsilanti, MI

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Friday, September 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 78 °F -  
Max Temperature 86 °F 73 °F 89 °F (1978)
Min Temperature 69 °F 54 °F 40 °F (1991)
Cooling Degree Days 12    
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 78    
Maximum Humidity 88    
Minimum Humidity 55    
Precipitation  
Precipitation 0.33 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 15 mph    
Max Gust Speed 28 mph    
Visibility 6 miles    
Events Rain    
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 7:19 AM EDT 7:34 PM EDT
Civil Twilight 6:51 AM EDT 8:02 PM EDT
Nautical Twilight 6:18 AM EDT 8:35 PM EDT
Astronomical Twilight 5:45 AM EDT 9:08 PM EDT
Moon 8:04 PM EDT (9/20) 8:35 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
12:53 AM 71.1 °F - 63.0 °F 75% 29.92 in 6.0 mi South 6.9 mph - N/A   Haze
1:53 AM 71.1 °F - 64.9 °F 81% 29.91 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
2:46 AM 71.6 °F - 64.4 °F 78% 29.92 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
2:53 AM 72.0 °F - 64.9 °F 78% 29.89 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
3:04 AM 71.6 °F - 64.4 °F 78% 29.91 in 9.0 mi SSW 12.7 mph 19.6 mph 0.00 in Rain Light Rain
3:13 AM 71.6 °F - 62.6 °F 73% 29.91 in 9.0 mi SW 15.0 mph 24.2 mph 0.00 in Rain Light Rain
3:29 AM 71.6 °F - 62.6 °F 73% 29.90 in 1.8 mi SW 12.7 mph 27.6 mph 0.00 in Rain Heavy Rain
3:42 AM 71.6 °F - 59.0 °F 64% 29.90 in 2.5 mi South 6.9 mph - 0.03 in Rain Light Rain
3:49 AM 71.6 °F - 64.4 °F 78% 29.89 in 10.0 mi SSE 8.1 mph - 0.05 in Rain Light Rain
3:53 AM 72.0 °F - 64.9 °F 78% 29.87 in 10.0 mi South 6.9 mph - 0.06 in   Overcast
4:08 AM 73.4 °F - 64.4 °F 73% 29.90 in 7.0 mi SSW 6.9 mph - 0.04 in   Overcast
4:53 AM 72.0 °F - 64.9 °F 78% 29.87 in 6.0 mi SE 4.6 mph - 0.12 in   Haze
5:53 AM 72.0 °F - 66.9 °F 84% 29.86 in 3.0 mi SSE 8.1 mph - 0.07 in   Haze
6:18 AM 71.6 °F - 66.2 °F 83% 29.88 in 3.0 mi SE 6.9 mph - 0.02 in   Haze
6:41 AM 71.6 °F - 66.2 °F 83% 29.87 in 3.0 mi SE 9.2 mph - 0.03 in   Haze
6:53 AM 72.0 °F - 66.9 °F 84% 29.86 in 3.0 mi SSE 8.1 mph - 0.03 in   Haze
7:39 AM 71.6 °F - 68.0 °F 88% 29.87 in 3.0 mi SSE 6.9 mph - 0.01 in   Overcast
7:49 AM 71.6 °F - 68.0 °F 88% 29.87 in 2.0 mi SSE 6.9 mph - 0.01 in   Overcast
7:53 AM 72.0 °F - 68.0 °F 87% 29.85 in 1.8 mi SSE 9.2 mph - 0.01 in   Overcast
8:53 AM 73.0 °F - 68.0 °F 84% 29.85 in 2.0 mi South 8.1 mph - N/A   Haze
9:51 AM 75.2 °F - 69.8 °F 83% 29.86 in 3.0 mi SSW 9.2 mph - N/A   Haze
9:53 AM 75.0 °F - 69.1 °F 82% 29.84 in 3.0 mi SW 9.2 mph - N/A   Haze
10:50 AM 78.8 °F - 69.8 °F 74% 29.86 in 5.0 mi SW 13.8 mph - N/A   Haze
10:53 AM 78.1 °F - 70.0 °F 76% 29.84 in 5.0 mi SW 11.5 mph - N/A   Haze
11:53 AM 81.0 °F 84.4 °F 70.0 °F 69% 29.83 in 7.0 mi SW 10.4 mph - N/A   Mostly Cloudy
12:53 PM 84.0 °F 88.4 °F 70.0 °F 63% 29.80 in 9.0 mi SSW 12.7 mph - N/A   Scattered Clouds
1:53 PM 84.9 °F 88.2 °F 68.0 °F 57% 29.78 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
2:53 PM 86.0 °F 89.4 °F 68.0 °F 55% 29.76 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy
3:53 PM 84.0 °F 86.3 °F 66.0 °F 55% 29.75 in 10.0 mi West 15.0 mph 21.9 mph N/A   Mostly Cloudy
4:53 PM 79.0 °F - 64.9 °F 62% 29.75 in 10.0 mi West 12.7 mph 21.9 mph 0.00 in Rain Light Rain
5:12 PM 75.2 °F - 66.2 °F 73% 29.78 in 1.8 mi West 12.7 mph - 0.00 in Rain Heavy Rain
5:31 PM 73.4 °F - 66.2 °F 78% 29.79 in 2.0 mi WSW 12.7 mph - N/A Rain Rain
5:51 PM 71.6 °F - 66.2 °F 83% 29.78 in 5.0 mi WSW 6.9 mph - N/A Rain Light Rain
5:53 PM 72.0 °F - 66.9 °F 84% 29.76 in 6.0 mi WSW 5.8 mph - N/A Rain Light Rain
6:53 PM 72.0 °F - 66.9 °F 84% 29.75 in 9.0 mi SSW 4.6 mph - N/A Rain Light Rain
7:53 PM 72.0 °F - 66.9 °F 84% 29.75 in 10.0 mi SSW 8.1 mph - N/A Rain Light Rain
8:53 PM 71.1 °F - 66.9 °F 87% 29.76 in 9.0 mi SSW 8.1 mph - 0.01 in Rain Light Rain
9:35 PM 71.6 °F - 66.2 °F 83% 29.77 in 6.0 mi SSW 8.1 mph - 0.00 in Rain Light Rain
9:53 PM 71.1 °F - 66.9 °F 87% 29.75 in 6.0 mi SW 6.9 mph - 0.00 in Rain Light Rain
10:03 PM 71.6 °F - 66.2 °F 83% 29.77 in 6.0 mi SW 8.1 mph - 0.01 in Rain Light Rain
10:10 PM 71.6 °F - 66.2 °F 83% 29.77 in 6.0 mi SW 6.9 mph - 0.01 in Rain Light Rain
10:38 PM 71.6 °F - 66.2 °F 83% 29.77 in 5.0 mi SW 6.9 mph - 0.01 in Rain Light Rain
10:46 PM 71.6 °F - 66.2 °F 83% 29.77 in 5.0 mi SW 6.9 mph - 0.01 in Rain Light Rain
10:53 PM 72.0 °F - 66.9 °F 84% 29.75 in 4.0 mi SW 6.9 mph - 0.01 in Rain Rain
11:34 PM 71.6 °F - 64.4 °F 78% 29.76 in 3.0 mi WSW 5.8 mph - 0.01 in Rain Rain
11:45 PM 69.8 °F - 64.4 °F 83% 29.76 in 1.8 mi West 9.2 mph - 0.02 in Rain Heavy Rain
11:53 PM 69.1 °F - 64.0 °F 84% 29.74 in 1.5 mi West 13.8 mph 19.6 mph 0.02 in Rain Heavy Rain