Weather History for Greybull, WY

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Saturday, December 29, 2012

  Actual Average Record
Temperature  
Mean Temperature -1 °F 16 °F  
Max Temperature 9 °F 28 °F 47 °F (2011)
Min Temperature -11 °F 5 °F -11 °F (2012)
Degree Days  
Heating Degree Days 66 49  
Month to date heating degree days 1239 1369  
Since 1 July heating degree days 2851 3226  
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 84    
Maximum Humidity 95    
Minimum Humidity 73    
Precipitation  
Precipitation 0.00 in 0.01 in 0.07 in (2005)
Month to date precipitation 0.13 0.27  
Year to date precipitation 2.35 7.50  
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 1 mph (East)    
Max Wind Speed 7 mph    
Max Gust Speed 8 mph    
Visibility 9 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. 29, 2012 Rise Set
Actual Time 7:48 AM MST 4:40 PM MST
Civil Twilight 7:15 AM MST 5:14 PM MST
Nautical Twilight 6:38 AM MST 5:51 PM MST
Astronomical Twilight 6:03 AM MST 6:26 PM MST
Moon 6:21 PM MST (12/29) 8:20 AM MST (12/29)
Length of Visible Light 9h 59m
Length of Day
8h 52m
Full, 98% of the Moon is Illuminated
Dec 29
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 -5.1 °F - -8.0 °F 87% 30.38 in 9.0 mi Calm Calm - N/A   Clear
1:53 AM -6.0 °F - -9.0 °F 87% 30.38 in 9.0 mi Calm Calm - N/A   Unknown
2:53 AM -6.0 °F -16.9 °F -9.9 °F 83% 30.38 in 8.0 mi South 4.6 mph - N/A   Clear
3:53 AM -9.0 °F - -13.0 °F 83% 30.40 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM -9.0 °F -18.2 °F -14.1 °F 79% 30.40 in 10.0 mi North 3.5 mph - N/A   Clear
5:53 AM -9.0 °F - -13.0 °F 83% 30.40 in 10.0 mi Calm Calm - N/A   Clear
6:16 AM -7.6 °F - -13.0 °F 77% 30.14 in 9.0 mi Calm Calm - N/A   Partly Cloudy
6:53 AM -9.0 °F - -13.0 °F 83% 30.42 in 9.0 mi Calm Calm - N/A   Scattered Clouds
7:53 AM -9.0 °F - -15.0 °F 75% 30.43 in 9.0 mi Calm Calm - N/A   Clear
8:09 AM -9.4 °F - -11.2 °F 92% 30.14 in 6.0 mi Calm Calm - N/A   Partly Cloudy
8:53 AM -7.1 °F - -9.9 °F 87% 30.43 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM -2.0 °F -10.1 °F -8.0 °F 76% 30.42 in 9.0 mi North 3.5 mph - N/A   Clear
10:27 AM -0.4 °F -8.3 °F -4.0 °F 85% 30.13 in 2.5 mi East 3.5 mph - N/A   Partly Cloudy
10:38 AM -0.4 °F - -4.0 °F 85% 30.13 in 6.0 mi Calm Calm - N/A   Partly Cloudy
10:53 AM 1.0 °F - -2.9 °F 83% 30.40 in 9.0 mi Calm Calm - N/A   Clear
11:53 AM 3.0 °F - -0.9 °F 84% 30.36 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 5.0 °F - -0.0 °F 80% 30.30 in 9.0 mi Calm Calm - N/A   Clear
1:53 PM 6.1 °F - 1.0 °F 80% 30.27 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 8.1 °F 1.4 °F 1.9 °F 76% 30.25 in 10.0 mi NNW 3.5 mph - N/A   Clear
3:53 PM 9.0 °F - 1.9 °F 73% 30.25 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 8.1 °F 1.4 °F 1.9 °F 76% 30.23 in 10.0 mi North 3.5 mph - N/A   Clear
5:53 PM 7.0 °F - 1.0 °F 77% 30.22 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 7.0 °F - 1.0 °F 77% 30.22 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 3.0 °F -4.4 °F -0.0 °F 87% 30.23 in 7.0 mi South 3.5 mph - N/A   Clear
8:53 PM 1.9 °F -7.6 °F -0.9 °F 88% 30.24 in 9.0 mi SE 4.6 mph - N/A   Partly Cloudy
9:53 PM 3.9 °F - -0.9 °F 80% 30.22 in 6.0 mi Calm Calm - N/A   Haze
10:53 PM 3.0 °F -4.4 °F -2.0 °F 80% 30.23 in 9.0 mi SE 3.5 mph - N/A   Clear
11:53 PM 1.0 °F - -2.9 °F 83% 30.22 in 8.0 mi Calm Calm - N/A   Clear