Weather History for Greybull, WY

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Saturday, May 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 60 °F 55 °F  
Max Temperature 76 °F 69 °F 85 °F (1989)
Min Temperature 43 °F 41 °F 30 °F (1999)
Degree Days  
Heating Degree Days 5 10  
Month to date heating degree days 122 132  
Since 1 July heating degree days 7532 7531  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 1  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 28 °F    
Average Humidity 35    
Maximum Humidity 53    
Minimum Humidity 16    
Precipitation  
Precipitation 0.00 in 0.05 in 0.40 in (2005)
Month to date precipitation 0.04 0.38  
Year to date precipitation 0.93 1.90  
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 5 mph (South)    
Max Wind Speed 13 mph    
Max Gust Speed 16 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. 11, 2013 Rise Set
Actual Time 5:48 AM MDT 8:29 PM MDT
Civil Twilight 5:15 AM MDT 9:02 PM MDT
Nautical Twilight 4:33 AM MDT 9:44 PM MDT
Astronomical Twilight 3:45 AM MDT 10:33 PM MDT
Moon 6:57 AM MDT (5/11) 10:13 PM MDT (5/11)
Length of Visible Light 15h 46m
Length of Day
14h 40m
Waxing Crescent, 3% of the Moon is Illuminated
May 11
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 53.1 °F - 28.0 °F 38% 30.27 in 10.0 mi NW 6.9 mph - N/A   Clear
1:53 AM 51.1 °F - 26.1 °F 38% 30.27 in 10.0 mi NW 8.1 mph - N/A   Clear
2:53 AM 50.0 °F - 28.0 °F 43% 30.29 in 10.0 mi NNE 3.5 mph - N/A   Clear
3:53 AM 50.0 °F - 27.0 °F 41% 30.30 in 10.0 mi WNW 8.1 mph - N/A   Clear
4:53 AM 45.0 °F 42.6 °F 28.0 °F 52% 30.31 in 10.0 mi West 4.6 mph - N/A   Clear
5:53 AM 45.0 °F - 27.0 °F 49% 30.31 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 46.0 °F - 27.0 °F 47% 30.32 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 50.0 °F - 28.0 °F 43% 30.32 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 53.1 °F - 27.0 °F 37% 30.32 in 10.0 mi ESE 3.5 mph - N/A   Clear
9:53 AM 55.9 °F - 27.0 °F 33% 30.30 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 62.1 °F - 28.0 °F 28% 30.27 in 10.0 mi SE 8.1 mph - N/A   Clear
11:53 AM 64.9 °F - 28.9 °F 26% 30.24 in 10.0 mi East 5.8 mph - N/A   Clear
12:53 PM 68.0 °F - 30.0 °F 24% 30.20 in 10.0 mi SE 8.1 mph - N/A   Clear
1:53 PM 70.0 °F - 28.0 °F 21% 30.17 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 73.0 °F - 26.1 °F 17% 30.14 in 10.0 mi Variable 4.6 mph - N/A   Clear
3:53 PM 73.9 °F - 26.1 °F 17% 30.12 in 10.0 mi Variable 4.6 mph - N/A   Clear
4:53 PM 73.9 °F - 25.0 °F 16% 30.10 in 10.0 mi South 5.8 mph - N/A   Clear
5:53 PM 75.0 °F - 26.1 °F 16% 30.09 in 10.0 mi West 5.8 mph - N/A   Clear
6:53 PM 75.0 °F - 27.0 °F 17% 30.07 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
7:53 PM 72.0 °F - 27.0 °F 19% 30.06 in 10.0 mi SSW 9.2 mph - N/A   Clear
8:53 PM 68.0 °F - 30.9 °F 25% 30.06 in 10.0 mi SSW 5.8 mph - N/A   Clear
9:53 PM 64.9 °F - 30.9 °F 28% 30.08 in 10.0 mi SSE 3.5 mph - N/A   Clear
10:53 PM 60.1 °F - 30.0 °F 32% 30.08 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
11:53 PM 59.0 °F - 30.0 °F 33% 30.09 in 10.0 mi East 3.5 mph - N/A   Clear