Weather History for Greybull, WY

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Sunday, December 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 12 °F 18 °F  
Max Temperature 20 °F 30 °F 47 °F (2004)
Min Temperature 4 °F 7 °F -24 °F (2009)
Degree Days  
Heating Degree Days 53 46  
Month to date heating degree days 283 404  
Since 1 July heating degree days 1895 2261  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 977 669  
Moisture  
Dew Point 5 °F    
Average Humidity 57    
Maximum Humidity 91    
Minimum Humidity 23    
Precipitation  
Precipitation 0.00 in 0.01 in 0.15 in (1963)
Month to date precipitation T 0.12  
Year to date precipitation 2.22 7.35  
Sea Level Pressure  
Sea Level Pressure 30.35 in    
Wind  
Wind Speed 6 mph (SSE)    
Max Wind Speed 18 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Dec. 09, 2012 Rise Set
Actual Time 7:37 AM MST 4:32 PM MST
Civil Twilight 7:04 AM MST 5:05 PM MST
Nautical Twilight 6:27 AM MST 5:42 PM MST
Astronomical Twilight 5:52 AM MST 6:17 PM MST
Moon 3:06 AM MST (12/9) 1:47 PM MST (12/9)
Length of Visible Light 10h 01m
Length of Day
8h 54m
Waning Crescent, 18% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 10.9 °F -3.4 °F 3.9 °F 73% 30.30 in 10.0 mi West 11.5 mph - N/A   Clear
1:53 AM 10.0 °F -1.9 °F 3.9 °F 76% 30.32 in 10.0 mi WNW 8.1 mph - N/A   Clear
2:53 AM 8.1 °F -3.2 °F 3.0 °F 80% 30.37 in 10.0 mi West 6.9 mph - N/A   Clear
3:53 AM 8.1 °F -0.5 °F 3.0 °F 80% 30.39 in 10.0 mi NW 4.6 mph - N/A   Clear
4:53 AM 7.0 °F - 1.9 °F 80% 30.41 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 6.1 °F - 1.9 °F 83% 30.45 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 5.0 °F -2.1 °F 1.0 °F 84% 30.48 in 10.0 mi ESE 3.5 mph - N/A   Clear
7:53 AM 3.9 °F - 1.0 °F 88% 30.51 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 7.0 °F - 3.0 °F 84% 30.52 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 10.0 °F 3.6 °F 5.0 °F 80% 30.53 in 10.0 mi SE 3.5 mph - N/A   Clear
10:53 AM 14.0 °F 5.1 °F 6.1 °F 71% 30.51 in 10.0 mi SE 5.8 mph - N/A   Clear
11:53 AM 16.0 °F 5.3 °F 6.1 °F 65% 30.47 in 10.0 mi South 8.1 mph - N/A   Clear
12:53 PM 19.0 °F 9.0 °F 6.1 °F 57% 30.45 in 10.0 mi SSE 8.1 mph - N/A   Clear
1:53 PM 19.9 °F 8.6 °F 7.0 °F 57% 30.40 in 10.0 mi ESE 10.4 mph - N/A   Clear
2:53 PM 19.0 °F 6.8 °F 5.0 °F 54% 30.38 in 10.0 mi SE 11.5 mph - N/A   Clear
3:47 PM - - - N/A% 29.96 in 20.0 mi South 9.2 mph - N/A   Scattered Clouds
3:53 PM 19.0 °F 6.8 °F 6.1 °F 57% 30.37 in 10.0 mi SSE 11.5 mph - N/A   Clear
4:53 PM 17.1 °F 6.6 °F 6.1 °F 62% 30.35 in 10.0 mi SE 8.1 mph - N/A   Clear
5:53 PM 15.1 °F 5.2 °F 6.1 °F 68% 30.31 in 10.0 mi East 6.9 mph - N/A   Clear
6:53 PM 14.0 °F 3.9 °F 6.1 °F 71% 30.26 in 10.0 mi SE 6.9 mph - N/A   Clear
7:53 PM 16.0 °F 7.4 °F 6.1 °F 65% 30.25 in 10.0 mi ESE 5.8 mph - N/A   Overcast
8:53 PM 17.1 °F 8.7 °F 7.0 °F 65% 30.20 in 10.0 mi East 5.8 mph - N/A   Overcast
9:53 PM 18.0 °F 11.1 °F 7.0 °F 62% 30.17 in 10.0 mi South 4.6 mph - N/A   Overcast
10:53 PM 17.1 °F - 8.1 °F 68% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 17.1 °F 10.0 °F 8.1 °F 68% 30.14 in 10.0 mi SSE 4.6 mph - N/A   Overcast