Weather History for Greybull, WY

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Thursday, January 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 10 °F 17 °F  
Max Temperature 21 °F 29 °F 46 °F (1999)
Min Temperature 0 °F 5 °F -9 °F (2007)
Degree Days  
Heating Degree Days 54 48  
Month to date heating degree days 923  
Since 1 July heating degree days 4246  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 0 °F    
Average Humidity 64    
Maximum Humidity 74    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in 0.01 in 0.07 in (2008)
Month to date precipitation 0.15  
Year to date precipitation 0.15  
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 5 mph (WNW)    
Max Wind Speed 12 mph    
Max Gust Speed -    
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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Astronomy

Jan. 19, 2012 Rise Set
Actual Time 7:43 AM MST 5:03 PM MST
Civil Twilight 7:11 AM MST 5:35 PM MST
Nautical Twilight 6:35 AM MST 6:10 PM MST
Astronomical Twilight 6:00 AM MST 6:45 PM MST
Moon 4:25 AM MST (1/19) 1:35 PM MST (1/19)
Length of Visible Light 10h 24m
Length of Day
9h 19m
Waning Crescent, 15% of the Moon is Illuminated
Jan 19
Waning Crescent
Jan 23
New
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 1.0 °F -15.8 °F -7.1 °F 69% 29.88 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
1:53 AM 1.0 °F -14.0 °F -7.1 °F 69% 29.88 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
2:53 AM -0.0 °F -14.2 °F -8.0 °F 69% 29.89 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
3:53 AM 1.0 °F -10.3 °F -8.0 °F 66% 29.90 in 10.0 mi West 5.8 mph - N/A   Overcast
4:53 AM 1.0 °F -11.7 °F -8.0 °F 66% 29.93 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
5:53 AM 1.0 °F -8.7 °F -8.0 °F 66% 29.95 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:53 AM 1.0 °F -8.7 °F -8.0 °F 66% 29.96 in 10.0 mi WNW 4.6 mph - N/A   Clear
7:53 AM 1.9 °F - -8.0 °F 63% 29.96 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 5.0 °F - -6.0 °F 61% 29.96 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 7.0 °F - -4.0 °F 61% 29.94 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 12.0 °F - -2.0 °F 53% 29.89 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 16.0 °F - 1.9 °F 54% 29.83 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 21.9 °F 15.7 °F 8.1 °F 55% 29.73 in 10.0 mi East 4.6 mph - N/A   Clear
3:53 PM 21.9 °F - 7.0 °F 53% 29.73 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 19.9 °F 14.9 °F 7.0 °F 57% 29.71 in 10.0 mi North 3.5 mph - N/A   Clear
5:53 PM 19.0 °F - 8.1 °F 62% 29.70 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 PM 18.0 °F - 8.1 °F 65% 29.72 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 PM 18.0 °F - 9.0 °F 68% 29.69 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 17.1 °F 11.7 °F 10.0 °F 74% 29.72 in 10.0 mi WSW 3.5 mph - N/A   Clear
10:53 PM 18.0 °F 12.7 °F 10.0 °F 71% 29.70 in 10.0 mi ESE 3.5 mph - N/A   Clear
11:53 PM 19.0 °F - 10.0 °F 68% 29.71 in 10.0 mi Calm Calm - N/A   Clear