Ypsilanti, MI

9:33 AM EDT on August 16, 2017 (GMT -0400)
Willow Run

Weather History for KYIP - December, 1997

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Wednesday, December 31, 1997

  Actual Average Record
Temperature  
Mean Temperature 19 °F -  
Max Temperature 30 °F 32 °F 57 °F (2004)
Min Temperature 8 °F 20 °F -3 °F (1976)
Degree Days  
Heating Degree Days 46    
Moisture  
Dew Point 3 °F    
Average Humidity 60    
Maximum Humidity 79    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 12 mph (NW)    
Max Wind Speed 21 mph    
Max Gust Speed -    
Visibility 20 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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Date:

Astronomy

Dec. 31, 1997 Rise Set
Actual Time 8:02 AM EST 5:11 PM EST
Civil Twilight 7:31 AM EST 5:43 PM EST
Nautical Twilight 6:55 AM EST 6:18 PM EST
Astronomical Twilight 6:21 AM EST 6:52 PM EST
Moon 9:18 AM EST (12/31) 7:43 PM EST (12/31)
Length of Visible Light 10h 12m
Length of Day
9h 08m
Waxing Crescent, 5% of the Moon is Illuminated
Dec 31
Waxing Crescent
Jan 5
First Quarter
Jan 12
Full
Jan 20
Last Quarter
Jan 28
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:50 AM 30.2 °F 20.8 °F 5.0 °F 34% 29.78 in 20.0 mi North 11.5 mph - N/A   Clear
2:50 AM 12.2 °F -1.8 °F 3.2 °F 67% 29.86 in 20.0 mi NNW 11.5 mph - N/A   Clear
3:50 AM 12.2 °F -1.8 °F 1.4 °F 62% 29.89 in 20.0 mi NNW 11.5 mph - N/A   Clear
4:50 AM 10.4 °F -4.1 °F 1.4 °F 67% 29.92 in 20.0 mi NW 11.5 mph - N/A   Clear
5:50 AM 10.4 °F -4.1 °F 1.4 °F 67% 29.96 in 20.0 mi NNW 11.5 mph - N/A   Clear
6:55 AM 10.4 °F -4.1 °F 1.4 °F 67% 29.99 in 20.0 mi NNW 11.5 mph - N/A   Clear
7:45 AM 8.6 °F -3.7 °F 1.4 °F 73% 30.02 in 20.0 mi NW 8.1 mph - N/A   Overcast
8:50 AM 8.6 °F -6.3 °F -0.4 °F 67% 30.06 in 20.0 mi NNW 11.5 mph - N/A   Partly Cloudy
9:50 AM 12.2 °F -4.3 °F -2.2 °F 53% 30.10 in 20.0 mi NNW 16.1 mph - N/A   Clear
10:50 AM 15.8 °F 0.9 °F -2.2 °F 45% 30.14 in 20.0 mi North 15.0 mph - N/A   Clear
11:50 AM 17.6 °F 2.2 °F 1.4 °F 49% 30.16 in 20.0 mi North 17.3 mph - N/A   Clear
12:50 PM - - - N/A% 30.17 in 20.0 mi North 16.1 mph - N/A   Partly Cloudy
1:50 PM 19.4 °F 3.2 °F 1.4 °F 46% 30.19 in 20.0 mi NW 20.7 mph - N/A   Partly Cloudy
3:50 PM 17.6 °F 4.3 °F 1.4 °F 49% 30.25 in 20.0 mi NW 12.7 mph - N/A   Mostly Cloudy
4:50 PM 19.4 °F 8.6 °F 1.4 °F 46% 30.28 in 20.0 mi NW 9.2 mph - N/A   Mostly Cloudy
6:55 PM 15.8 °F 5.1 °F 3.2 °F 58% 30.30 in 25.0 mi SW 8.1 mph - N/A   Mostly Cloudy
7:50 PM 15.8 °F 5.1 °F 5.0 °F 62% 30.31 in 25.0 mi SW 8.1 mph - N/A   Clear
8:50 PM 14.0 °F 2.9 °F 5.0 °F 67% 30.32 in 25.0 mi WSW 8.1 mph - N/A   Partly Cloudy
9:50 PM 15.8 °F 7.2 °F 6.8 °F 68% 30.34 in 25.0 mi SW 5.8 mph - N/A   Mostly Cloudy
10:50 PM 14.0 °F 2.9 °F 8.6 °F 79% 30.34 in 25.0 mi SW 8.1 mph - N/A   Clear
11:50 PM 15.8 °F 5.1 °F 8.6 °F 73% 30.33 in 30.0 mi SW 8.1 mph - N/A   Clear