Weather History for Greybull, WY

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Saturday, July 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 79 °F 75 °F  
Max Temperature 95 °F 91 °F 99 °F (2003)
Min Temperature 62 °F 58 °F 52 °F (2008)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 1  
Since 1 June heating degree days 36 71  
Since 1 July heating degree days 0 1  
Cooling Degree Days 14 10  
Month to date cooling degree days 264 168  
Year to date cooling degree days 464 294  
Since 1 June cooling degree days 437 274  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 37 °F    
Average Humidity 26    
Maximum Humidity 42    
Minimum Humidity 10    
Precipitation  
Precipitation 0.00 in 0.02 in 0.33 in (1958)
Month to date precipitation 0.27 0.48  
Year to date precipitation 2.57 4.85  
Sea Level Pressure  
Sea Level Pressure 29.79 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 18 mph    
Max Gust Speed 23 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

Jul. 20, 2013 Rise Set
Actual Time 5:46 AM MDT 8:50 PM MDT
Civil Twilight 5:11 AM MDT 9:24 PM MDT
Nautical Twilight 4:27 AM MDT 10:09 PM MDT
Astronomical Twilight 3:33 AM MDT 11:02 PM MDT
Moon 6:55 PM MDT (7/20) 3:30 AM MDT (7/20)
Length of Visible Light 16h 13m
Length of Day
15h 03m
Waxing Gibbous, 94% of the Moon is Illuminated
Jul 20
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 75.0 °F 37.9 °F 26% 29.82 in 10.0 mi NW 10.4 mph - N/A   Clear
1:53 AM 75.9 °F 37.9 °F 25% 29.82 in 10.0 mi NNW 11.5 mph - N/A   Clear
2:53 AM 71.1 °F 37.9 °F 30% 29.83 in 10.0 mi WNW 6.9 mph - N/A   Clear
3:53 AM 69.1 °F 39.0 °F 33% 29.84 in 10.0 mi West 13.8 mph - N/A   Clear
4:53 AM 66.9 °F 37.9 °F 34% 29.85 in 10.0 mi West 15.0 mph - N/A   Clear
5:53 AM 64.9 °F 37.9 °F 37% 29.86 in 10.0 mi WNW 5.8 mph - N/A   Clear
6:53 AM 64.0 °F 39.0 °F 40% 29.87 in 10.0 mi East 4.6 mph - N/A   Clear
7:53 AM 66.0 °F 43.0 °F 43% 29.89 in 10.0 mi SE 4.6 mph - N/A   Clear
8:53 AM 73.0 °F 39.9 °F 30% 29.89 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 77.0 °F 39.9 °F 26% 29.87 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 80.1 °F 39.9 °F 24% 29.86 in 10.0 mi South 5.8 mph - N/A   Clear
11:53 AM 82.9 °F 39.0 °F 21% 29.83 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 87.1 °F 39.0 °F 18% 29.81 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:53 PM 90.0 °F 28.9 °F 11% 29.78 in 9.0 mi Variable 3.5 mph - N/A   Clear
2:53 PM 91.0 °F 30.0 °F 11% 29.76 in 10.0 mi Variable 4.6 mph - N/A   Clear
3:53 PM 93.9 °F 28.9 °F 10% 29.74 in 10.0 mi Variable 4.6 mph - N/A   Clear
4:53 PM 93.9 °F 30.9 °F 11% 29.72 in 10.0 mi NW 10.4 mph 18.4 mph N/A   Clear
5:53 PM 93.0 °F 30.9 °F 11% 29.71 in 10.0 mi NW 10.4 mph - N/A   Clear
6:53 PM 93.0 °F 30.9 °F 11% 29.71 in 10.0 mi NNW 8.1 mph - N/A   Clear
7:53 PM 90.0 °F 37.9 °F 16% 29.71 in 10.0 mi NNW 18.4 mph - N/A   Clear
8:53 PM 86.0 °F 39.9 °F 20% 29.71 in 10.0 mi NNW 13.8 mph - N/A   Clear
9:53 PM 82.9 °F 42.1 °F 24% 29.73 in 10.0 mi North 6.9 mph - N/A   Clear
10:53 PM 81.0 °F 39.9 °F 23% 29.73 in 10.0 mi North 4.6 mph - N/A   Clear
11:53 PM 73.0 °F 42.1 °F 33% 29.73 in 10.0 mi West 8.1 mph - N/A   Clear