Weather History for Greybull, WY

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 16 °F 18 °F  
Max Temperature 25 °F 29 °F 63 °F (2004)
Min Temperature 7 °F 7 °F -17 °F (2000)
Degree Days  
Heating Degree Days 49 47  
Month to date heating degree days 380 498  
Since 1 July heating degree days 1992 2355  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 977 669  
Moisture  
Dew Point 12 °F    
Average Humidity 85    
Maximum Humidity 92    
Minimum Humidity 77    
Precipitation  
Precipitation T in 0.00 in 1.50 in (1975)
Month to date precipitation 0.09 0.13  
Year to date precipitation 2.31 7.36  
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 2 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 13 mph    
Visibility 7 miles    
Events Fog , Snow    
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. 11, 2012 Rise Set
Actual Time 7:39 AM MST 4:32 PM MST
Civil Twilight 7:05 AM MST 5:05 PM MST
Nautical Twilight 6:29 AM MST 5:42 PM MST
Astronomical Twilight 5:53 AM MST 6:17 PM MST
Moon 5:35 AM MST (12/11) 3:15 PM MST (12/11)
Length of Visible Light 9h 59m
Length of Day
8h 53m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
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
12:00 AM 15.8 °F 8.6 °F 12.2 °F 86% 29.97 in 6.0 mi NNW 4.6 mph - 0.00 in Snow Light Snow
12:53 AM 16.0 °F 10.4 °F 12.9 °F 88% 30.12 in 7.0 mi NW 3.5 mph - 0.00 in   Overcast
1:53 AM 16.0 °F - 14.0 °F 92% 30.09 in 7.0 mi Calm Calm - 0.00 in   Overcast
2:53 AM 17.1 °F - 14.0 °F 88% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 15.1 °F - 12.0 °F 88% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 10.9 °F 4.7 °F 9.0 °F 92% 30.09 in 10.0 mi West 3.5 mph - N/A   Overcast
5:53 AM 8.1 °F 1.4 °F 5.0 °F 87% 30.08 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy
6:05 AM 8.6 °F - 6.8 °F 92% 29.87 in 9.0 mi Calm Calm - N/A   Scattered Clouds
6:14 AM 6.8 °F - 5.0 °F 92% 29.87 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
6:23 AM 6.8 °F - 5.0 °F 92% 29.87 in 1.8 mi Calm Calm - N/A   Overcast
6:30 AM 8.6 °F 2.0 °F 6.8 °F 92% 29.87 in 0.8 mi WNW 3.5 mph - N/A   Overcast
6:53 AM 10.9 °F - 8.1 °F 88% 30.05 in 0.8 mi Calm Calm - N/A   Mist
7:53 AM 10.9 °F - 9.0 °F 92% 30.04 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
8:53 AM 10.0 °F 3.6 °F 8.1 °F 92% 30.03 in 0.2 mi South 3.5 mph - N/A Fog Light Freezing Fog
9:51 AM 12.2 °F - 10.4 °F 92% 29.81 in 1.2 mi Calm Calm - N/A   Overcast
9:53 AM 12.0 °F - 10.0 °F 92% 29.99 in 1.8 mi Calm Calm - N/A   Overcast
9:58 AM 12.2 °F - 10.4 °F 92% 29.81 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
10:09 AM 12.2 °F - 10.4 °F 92% 29.81 in 4.0 mi Calm Calm - N/A   Scattered Clouds
10:53 AM 15.1 °F 9.4 °F 12.0 °F 88% 29.96 in 7.0 mi NNW 3.5 mph - N/A   Scattered Clouds
11:53 AM 19.0 °F - 14.0 °F 81% 29.92 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 21.0 °F 14.6 °F 16.0 °F 81% 29.87 in 10.0 mi ESE 4.6 mph - N/A   Clear
1:53 PM 21.9 °F 17.2 °F 17.1 °F 82% 29.84 in 10.0 mi South 3.5 mph - N/A   Clear
2:53 PM 23.0 °F - 17.1 °F 78% 29.82 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 19.9 °F 10.1 °F 15.1 °F 81% 29.81 in 10.0 mi East 8.1 mph - N/A   Clear
4:53 PM 19.0 °F 13.9 °F 16.0 °F 88% 29.83 in 10.0 mi WNW 3.5 mph - N/A   Clear
5:53 PM 19.9 °F 12.1 °F 15.1 °F 81% 29.84 in 10.0 mi North 5.8 mph - N/A   Clear
6:53 PM 19.9 °F - 16.0 °F 85% 29.82 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 21.0 °F 16.2 °F 17.1 °F 85% 29.80 in 10.0 mi North 3.5 mph - N/A   Overcast
8:53 PM 21.9 °F 17.2 °F 17.1 °F 82% 29.80 in 10.0 mi NW 3.5 mph - N/A   Overcast
9:53 PM 21.9 °F - 18.0 °F 85% 29.78 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:53 PM 21.0 °F - 18.0 °F 88% 29.76 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 PM 21.9 °F - 18.0 °F 85% 29.75 in 10.0 mi Calm Calm - N/A   Mostly Cloudy