Weather History for Greybull, WY

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Monday, May 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 75 °F 56 °F  
Max Temperature 93 °F 70 °F 94 °F (2001)
Min Temperature 56 °F 42 °F 28 °F (2014)
Degree Days  
Heating Degree Days 0 10  
Month to date heating degree days 122 152  
Since 1 July heating degree days 7532 7551  
Cooling Degree Days 10 0  
Month to date cooling degree days 14 0  
Year to date cooling degree days 14 1  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 34 °F    
Average Humidity 30    
Maximum Humidity 51    
Minimum Humidity 9    
Precipitation  
Precipitation 0.00 in 0.05 in 0.06 in (2003)
Month to date precipitation 0.04 0.49  
Year to date precipitation 0.93 2.01  
Sea Level Pressure  
Sea Level Pressure 29.84 in    
Wind  
Wind Speed 7 mph (South)    
Max Wind Speed 25 mph    
Max Gust Speed 29 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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Astronomy

May. 13, 2013 Rise Set
Actual Time 5:46 AM MDT 8:31 PM MDT
Civil Twilight 5:13 AM MDT 9:05 PM MDT
Nautical Twilight 4:30 AM MDT 9:47 PM MDT
Astronomical Twilight 3:41 AM MDT 10:37 PM MDT
Moon 8:34 AM MDT (5/13) 11:42 PM MDT (5/13)
Length of Visible Light 15h 52m
Length of Day
14h 44m
Waxing Crescent, 12% of the Moon is Illuminated
May 13
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 66.9 °F 35.1 °F 31% 29.91 in 10.0 mi ESE 4.6 mph - N/A   Clear
1:53 AM 64.9 °F 36.0 °F 34% 29.91 in 10.0 mi ESE 4.6 mph - N/A   Clear
2:53 AM 62.1 °F 36.0 °F 38% 29.90 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
3:53 AM 60.1 °F 37.0 °F 42% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:53 AM 59.0 °F 36.0 °F 42% 29.91 in 10.0 mi ESE 3.5 mph - N/A   Clear
5:53 AM 57.0 °F 37.0 °F 47% 29.93 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 55.9 °F 37.9 °F 51% 29.95 in 10.0 mi SE 3.5 mph - N/A   Clear
7:53 AM 59.0 °F 39.0 °F 48% 29.97 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 66.0 °F 39.9 °F 38% 29.97 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 75.0 °F 39.9 °F 28% 29.94 in 10.0 mi SSE 5.8 mph - N/A   Clear
10:53 AM 80.1 °F 37.9 °F 22% 29.93 in 10.0 mi Variable 4.6 mph - N/A   Clear
11:53 AM 84.0 °F 35.1 °F 17% 29.90 in 10.0 mi Variable 5.8 mph - N/A   Clear
12:53 PM 86.0 °F 33.1 °F 15% 29.86 in 10.0 mi South 8.1 mph - N/A   Clear
2:53 PM 90.0 °F 33.1 °F 13% 29.80 in 10.0 mi SSE 13.8 mph 18.4 mph N/A   Clear
3:53 PM 90.0 °F 30.9 °F 12% 29.76 in 10.0 mi SSE 15.0 mph 21.9 mph N/A   Clear
4:53 PM 93.0 °F 27.0 °F 9% 29.73 in 10.0 mi WSW 16.1 mph 24.2 mph N/A   Clear
6:53 PM 90.0 °F 27.0 °F 10% 29.70 in 10.0 mi West 13.8 mph 27.6 mph N/A   Clear
7:53 PM 87.1 °F 28.0 °F 12% 29.70 in 10.0 mi West 16.1 mph - N/A   Clear
8:53 PM 80.1 °F 30.0 °F 16% 29.70 in 10.0 mi West 10.4 mph - N/A   Clear
9:53 PM 77.0 °F 30.0 °F 18% 29.70 in 10.0 mi WSW 9.2 mph - N/A   Clear
10:53 PM 75.9 °F 32.0 °F 20% 29.69 in 10.0 mi West 12.7 mph - N/A   Clear
11:53 PM 73.0 °F 32.0 °F 22% 29.68 in 10.0 mi Calm Calm - N/A   Clear