Weather History for Greybull, WY

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Wednesday, April 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 31 °F 47 °F  
Max Temperature 38 °F 61 °F 81 °F (2005)
Min Temperature 23 °F 33 °F 20 °F (1999)
Degree Days  
Heating Degree Days 34 18  
Month to date heating degree days 408 349  
Since 1 July heating degree days 7140 7191  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 12 °F    
Average Humidity 58    
Maximum Humidity 88    
Minimum Humidity 27    
Precipitation  
Precipitation T in 0.03 in 0.09 in (2006)
Month to date precipitation 0.16 0.33  
Year to date precipitation 0.67 1.14  
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 13 mph (NW)    
Max Wind Speed 28 mph    
Max Gust Speed 39 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Apr. 17, 2013 Rise Set
Actual Time 6:24 AM MDT 7:59 PM MDT
Civil Twilight 5:53 AM MDT 8:30 PM MDT
Nautical Twilight 5:16 AM MDT 9:07 PM MDT
Astronomical Twilight 4:37 AM MDT 9:47 PM MDT
Moon 11:36 AM MDT (4/17) 1:44 AM MDT (4/17)
Length of Visible Light 14h 36m
Length of Day
13h 35m
Waxing Crescent, 43% of the Moon is Illuminated
Apr 17
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 25.0 °F 15.5 °F 12.9 °F 60% 30.27 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
1:53 AM 25.0 °F 15.5 °F 14.0 °F 63% 30.27 in 10.0 mi WNW 9.2 mph - N/A   Overcast
2:53 AM 24.1 °F 18.2 °F 14.0 °F 65% 30.26 in 10.0 mi WNW 4.6 mph - N/A   Overcast
3:53 AM 25.0 °F 18.1 °F 15.1 °F 66% 30.26 in 10.0 mi WNW 5.8 mph - N/A   Overcast
4:53 AM 25.0 °F 17.1 °F 15.1 °F 66% 30.26 in 10.0 mi NNW 6.9 mph - N/A   Overcast
5:53 AM 23.0 °F - 19.0 °F 85% 30.27 in 8.0 mi Calm Calm - 0.00 in   Overcast
6:29 AM 23.0 °F - 19.4 °F 86% 30.16 in 2.0 mi Calm Calm - 0.00 in Snow Light Snow
6:50 AM 23.0 °F - 19.4 °F 86% 30.16 in 4.0 mi Calm Calm - 0.00 in   Overcast
6:53 AM 23.0 °F - 19.9 °F 88% 30.28 in 6.0 mi Calm Calm - 0.00 in   Overcast
8:41 AM 26.6 °F 20.0 °F 12.2 °F 55% 30.18 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
8:48 AM 26.6 °F 21.2 °F 12.2 °F 55% 30.17 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
8:53 AM 27.0 °F 20.5 °F 12.0 °F 53% 30.29 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
9:53 AM 28.9 °F 25.2 °F 14.0 °F 54% 30.28 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:53 AM 30.9 °F 20.7 °F 12.0 °F 46% 30.27 in 10.0 mi NNW 13.8 mph - N/A   Mostly Cloudy
11:53 AM 36.0 °F 26.3 °F 8.1 °F 31% 30.25 in 10.0 mi NNW 16.1 mph 25.3 mph N/A   Clear
12:53 PM 36.0 °F 25.3 °F 5.0 °F 27% 30.24 in 10.0 mi NNW 19.6 mph 28.8 mph N/A   Clear
1:53 PM 37.9 °F 27.9 °F 6.1 °F 27% 30.23 in 10.0 mi NNW 19.6 mph 31.1 mph N/A   Clear
2:53 PM 37.9 °F 27.3 °F 6.1 °F 27% 30.24 in 10.0 mi NW 21.9 mph 33.4 mph N/A   Clear
3:53 PM 37.9 °F 27.6 °F 7.0 °F 28% 30.23 in 10.0 mi NNW 20.7 mph 29.9 mph N/A   Clear
4:53 PM 37.0 °F 26.4 °F 7.0 °F 29% 30.24 in 10.0 mi NNW 20.7 mph 29.9 mph N/A   Clear
5:53 PM 36.0 °F 24.7 °F 8.1 °F 31% 30.26 in 10.0 mi NNW 21.9 mph 28.8 mph N/A   Clear
6:53 PM 35.1 °F 24.1 °F 6.1 °F 30% 30.27 in 10.0 mi NW 19.6 mph 27.6 mph N/A   Clear
7:53 PM 30.9 °F 18.4 °F 9.0 °F 40% 30.29 in 10.0 mi NW 20.7 mph 32.2 mph N/A   Clear
8:53 PM 28.9 °F 15.4 °F 12.0 °F 49% 30.30 in 10.0 mi NNW 21.9 mph 26.5 mph N/A   Clear
9:53 PM 27.0 °F 13.9 °F 14.0 °F 58% 30.32 in 10.0 mi NW 18.4 mph 25.3 mph N/A   Clear
10:53 PM 26.1 °F 13.6 °F 14.0 °F 60% 30.31 in 10.0 mi NW 16.1 mph - N/A   Clear
11:53 PM 26.1 °F 15.0 °F 12.9 °F 58% 30.30 in 10.0 mi NW 12.7 mph - N/A   Clear