Weather History for Greybull, WY

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Saturday, December 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 18 °F 16 °F  
Max Temperature 34 °F 28 °F 50 °F (2005)
Min Temperature 2 °F 5 °F -15 °F (1998)
Degree Days  
Heating Degree Days 47 49  
Month to date heating degree days 857 1026  
Since 1 July heating degree days 2469 2883  
Moisture  
Dew Point 7 °F    
Average Humidity 67    
Maximum Humidity 91    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in 0.00 in 0.20 in (1999)
Month to date precipitation 0.09 0.22  
Year to date precipitation 2.31 7.45  
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 2 mph (NW)    
Max Wind Speed 9 mph    
Max Gust Speed 10 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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Date:

Astronomy

Dec. 22, 2012 Rise Set
Actual Time 7:46 AM MST 4:36 PM MST
Civil Twilight 7:12 AM MST 5:09 PM MST
Nautical Twilight 6:36 AM MST 5:46 PM MST
Astronomical Twilight 6:00 AM MST 6:21 PM MST
Moon 1:01 PM MST (12/22) 2:27 AM MST (12/22)
Length of Visible Light 9h 56m
Length of Day
8h 49m
Waxing Gibbous, 74% of the Moon is Illuminated
Dec 22
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First 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 8.1 °F -2.0 °F 3.0 °F 80% 30.14 in 10.0 mi NNW 5.8 mph - N/A   Clear
1:53 AM 9.0 °F - 3.9 °F 80% 30.14 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 6.1 °F -0.9 °F 1.9 °F 83% 30.16 in 10.0 mi NNW 3.5 mph - N/A   Clear
3:53 AM 6.1 °F -0.9 °F 1.9 °F 83% 30.16 in 10.0 mi SSW 3.5 mph - N/A   Clear
4:53 AM 6.1 °F - 1.9 °F 83% 30.18 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 3.9 °F - -0.0 °F 84% 30.21 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 3.9 °F - -0.0 °F 84% 30.23 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 3.9 °F -3.4 °F 1.0 °F 88% 30.22 in 10.0 mi ESE 3.5 mph - N/A   Clear
8:53 AM 7.0 °F - 3.0 °F 84% 30.20 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 10.9 °F - 5.0 °F 77% 30.21 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 19.0 °F - 8.1 °F 62% 30.17 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 23.0 °F - 10.0 °F 58% 30.12 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 26.1 °F 20.5 °F 10.9 °F 53% 30.08 in 10.0 mi NNW 4.6 mph - N/A   Clear
1:53 PM 32.0 °F - 12.0 °F 44% 30.02 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 32.0 °F 27.5 °F 12.9 °F 45% 29.99 in 10.0 mi NW 4.6 mph - N/A   Clear
3:53 PM 32.0 °F 27.5 °F 12.9 °F 45% 29.96 in 10.0 mi NW 4.6 mph - N/A   Clear
4:53 PM 24.1 °F 18.2 °F 10.9 °F 57% 29.98 in 10.0 mi NW 4.6 mph - N/A   Clear
5:53 PM 21.0 °F - 10.0 °F 63% 29.98 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 18.0 °F - 9.0 °F 68% 29.98 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 23.0 °F 17.0 °F 10.0 °F 58% 29.95 in 10.0 mi ESE 4.6 mph - N/A   Clear
8:53 PM 28.0 °F 21.7 °F 10.0 °F 47% 29.93 in 10.0 mi SSE 5.8 mph - N/A   Clear
9:53 PM 27.0 °F 21.6 °F 10.0 °F 49% 29.92 in 10.0 mi SE 4.6 mph - N/A   Clear
10:53 PM 28.9 °F - 10.0 °F 45% 29.90 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 24.1 °F 19.7 °F 10.9 °F 57% 29.90 in 10.0 mi West 3.5 mph - N/A   Scattered Clouds