Weather History for Greybull, WY

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Thursday, December 13, 2012

  Actual Average Record
Temperature  
Mean Temperature 22 °F 18 °F  
Max Temperature 35 °F 29 °F 48 °F (1998)
Min Temperature 9 °F 6 °F -10 °F (2000)
Degree Days  
Heating Degree Days 43 47  
Month to date heating degree days 458 592  
Since 1 July heating degree days 2070 2449  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 977 669  
Moisture  
Dew Point 13 °F    
Average Humidity 81    
Maximum Humidity 100    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in 0.01 in 0.04 in (1999)
Month to date precipitation 0.09 0.15  
Year to date precipitation 2.31 7.38  
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 1 mph (NNW)    
Max Wind Speed 8 mph    
Max Gust Speed 10 mph    
Visibility 7 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. 13, 2012 Rise Set
Actual Time 7:40 AM MST 4:32 PM MST
Civil Twilight 7:07 AM MST 5:06 PM MST
Nautical Twilight 6:30 AM MST 5:42 PM MST
Astronomical Twilight 5:55 AM MST 6:18 PM MST
Moon 7:51 AM MST (12/13) 5:19 PM MST (12/13)
Length of Visible Light 9h 58m
Length of Day
8h 51m
New Moon, 0% of the Moon is Illuminated
Dec 13
New Moon
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 19.0 °F - 17.1 °F 92% 29.97 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 19.0 °F 13.9 °F 18.0 °F 96% 29.98 in 8.0 mi ESE 3.5 mph - N/A   Clear
2:53 AM 19.9 °F 14.9 °F 17.1 °F 89% 29.98 in 10.0 mi ESE 3.5 mph - N/A   Clear
3:53 AM 15.1 °F - 12.0 °F 88% 29.99 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 10.9 °F - 9.0 °F 92% 30.02 in 9.0 mi Calm Calm - N/A   Clear
5:53 AM 10.0 °F - 8.1 °F 92% 30.05 in 8.0 mi Calm Calm - N/A   Clear
6:28 AM 12.2 °F - 8.6 °F 85% 29.89 in 7.0 mi Calm Calm - N/A   Scattered Clouds
6:45 AM 10.4 °F - 8.6 °F 92% 29.90 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 10.9 °F - 9.0 °F 92% 30.03 in 3.0 mi Calm Calm - N/A   Overcast
7:12 AM 8.6 °F 2.0 °F 6.8 °F 92% 29.90 in 1.8 mi NW 3.5 mph - N/A   Overcast
7:19 AM 10.4 °F 4.0 °F 8.6 °F 92% 29.90 in 3.0 mi WNW 3.5 mph - N/A   Overcast
7:53 AM 10.0 °F - 7.0 °F 87% 30.05 in 7.0 mi Calm Calm - N/A   Overcast
8:01 AM 10.4 °F - 8.6 °F 92% 29.90 in 1.8 mi Calm Calm - N/A   Overcast
8:04 AM 8.6 °F 2.0 °F 6.8 °F 92% 29.91 in 0.8 mi NNW 3.5 mph - N/A   Mist
8:16 AM 8.6 °F -1.3 °F 6.8 °F 92% 29.91 in 1.2 mi North 5.8 mph - N/A   Overcast
8:21 AM 8.6 °F 0.1 °F 8.6 °F 100% 29.90 in 0.8 mi North 4.6 mph - N/A   Mist
8:40 AM 10.4 °F - 8.6 °F 92% 29.90 in 1.2 mi Calm Calm - N/A   Mostly Cloudy
8:45 AM 10.4 °F - 10.4 °F 100% 29.90 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 12.0 °F - 9.0 °F 88% 30.06 in 5.0 mi Calm Calm - N/A   Scattered Clouds
9:08 AM 12.2 °F 6.1 °F 8.6 °F 85% 29.91 in 6.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
9:24 AM 12.2 °F 6.1 °F 10.4 °F 92% 29.91 in 8.0 mi NNW 3.5 mph - N/A   Scattered Clouds
9:53 AM 15.1 °F - 12.9 °F 91% 30.06 in 7.0 mi Calm Calm - N/A   Clear
10:53 AM 19.9 °F - 18.0 °F 92% 30.05 in 9.0 mi Calm Calm - N/A   Clear
11:53 AM 24.1 °F - 21.0 °F 88% 30.01 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 28.9 °F - 21.0 °F 72% 29.98 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 32.0 °F - 21.0 °F 64% 29.94 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 33.1 °F - 21.9 °F 64% 29.92 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 19.0 °F 12.3 °F 16.0 °F 88% 29.97 in 10.0 mi WNW 4.6 mph - N/A   Clear
7:53 PM 18.0 °F - 17.1 °F 96% 29.99 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 19.9 °F - 17.1 °F 89% 29.97 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 18.0 °F 12.7 °F 16.0 °F 92% 29.97 in 10.0 mi NW 3.5 mph - N/A   Clear
11:53 PM 15.1 °F - 10.9 °F 84% 29.93 in 10.0 mi Calm Calm - N/A   Partly Cloudy