Weather History for Greybull, WY

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Wednesday, December 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 12 °F 17 °F  
Max Temperature 26 °F 28 °F 46 °F (2004)
Min Temperature -3 °F 5 °F -12 °F (2005)
Degree Days  
Heating Degree Days 53 48  
Month to date heating degree days 714 880  
Since 1 July heating degree days 2326 2737  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 977 669  
Moisture  
Dew Point 2 °F    
Average Humidity 64    
Maximum Humidity 87    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.01 in 0.06 in (1999)
Month to date precipitation 0.09 0.20  
Year to date precipitation 2.31 7.43  
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 3 mph (SE)    
Max Wind Speed 9 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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Date:

Astronomy

Dec. 19, 2012 Rise Set
Actual Time 7:44 AM MST 4:34 PM MST
Civil Twilight 7:11 AM MST 5:08 PM MST
Nautical Twilight 6:34 AM MST 5:45 PM MST
Astronomical Twilight 5:59 AM MST 6:20 PM MST
Moon 11:39 AM MST No Moon Set
Length of Visible Light 9h 56m
Length of Day
8h 49m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 19
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 8.1 °F 1.4 °F 3.9 °F 83% 29.99 in 10.0 mi ESE 3.5 mph - N/A   Clear
1:53 AM 9.0 °F - 3.0 °F 77% 29.98 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 7.0 °F - 1.9 °F 80% 30.01 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 5.0 °F - -0.0 °F 80% 30.04 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 3.9 °F - -0.9 °F 80% 30.07 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 1.9 °F - -2.0 °F 83% 30.11 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM -0.0 °F - -4.0 °F 83% 30.16 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM -0.0 °F -7.9 °F -5.1 °F 79% 30.22 in 10.0 mi ESE 3.5 mph - N/A   Clear
8:53 AM 3.0 °F - -0.9 °F 84% 30.23 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 9.0 °F - 3.0 °F 77% 30.25 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 14.0 °F - 5.0 °F 67% 30.24 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 17.1 °F - 6.1 °F 62% 30.23 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 23.0 °F - 6.1 °F 48% 30.20 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 24.1 °F 18.2 °F 5.0 °F 44% 30.20 in 10.0 mi SE 4.6 mph - N/A   Clear
2:53 PM 25.0 °F 19.3 °F 3.0 °F 39% 30.21 in 10.0 mi SSE 4.6 mph - N/A   Clear
3:53 PM 24.1 °F 17.0 °F 3.0 °F 40% 30.22 in 10.0 mi South 5.8 mph - N/A   Clear
4:53 PM 21.0 °F 13.4 °F 1.9 °F 44% 30.25 in 10.0 mi SSE 5.8 mph - N/A   Clear
5:53 PM 17.1 °F 11.7 °F 1.9 °F 52% 30.28 in 10.0 mi ESE 3.5 mph - N/A   Clear
6:53 PM 15.1 °F 3.3 °F 1.9 °F 56% 30.31 in 10.0 mi ESE 9.2 mph - N/A   Clear
7:53 PM 12.0 °F 2.7 °F 1.9 °F 64% 30.35 in 10.0 mi ESE 5.8 mph - N/A   Clear
8:53 PM 12.0 °F 2.7 °F 1.9 °F 64% 30.34 in 10.0 mi ESE 5.8 mph - N/A   Clear
9:53 PM 10.9 °F 4.7 °F 1.0 °F 64% 30.34 in 10.0 mi SE 3.5 mph - N/A   Clear
10:53 PM 9.0 °F 0.6 °F 1.0 °F 70% 30.35 in 10.0 mi South 4.6 mph - N/A   Clear
11:53 PM 7.0 °F - -0.0 °F 73% 30.37 in 10.0 mi North - - N/A   Clear