Weather History for Greybull, WY

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Thursday, May 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F 57 °F  
Max Temperature 76 °F 70 °F 90 °F (1988)
Min Temperature 55 °F 43 °F 36 °F (2009)
Degree Days  
Heating Degree Days 0 9  
Month to date heating degree days 122 179  
Since 1 July heating degree days 7532 7578  
Cooling Degree Days 1 1  
Month to date cooling degree days 23 1  
Year to date cooling degree days 23 2  
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 42 °F    
Average Humidity 48    
Maximum Humidity 72    
Minimum Humidity 23    
Precipitation  
Precipitation T in 0.05 in 0.26 in (2000)
Month to date precipitation 0.04 0.64  
Year to date precipitation 0.93 2.16  
Sea Level Pressure  
Sea Level Pressure 29.73 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 38 mph    
Max Gust Speed 46 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. 16, 2013 Rise Set
Actual Time 5:43 AM MDT 8:34 PM MDT
Civil Twilight 5:09 AM MDT 9:08 PM MDT
Nautical Twilight 4:26 AM MDT 9:52 PM MDT
Astronomical Twilight 3:35 AM MDT 10:43 PM MDT
Moon 11:24 AM MDT (5/16) 12:53 AM MDT (5/16)
Length of Visible Light 15h 59m
Length of Day
14h 51m
Waxing Crescent, 36% of the Moon is Illuminated
May 16
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 36.0 °F 32% 29.72 in 10.0 mi NW 18.4 mph - 0.00 in   Mostly Cloudy
1:53 AM 60.1 °F 45.0 °F 57% 29.73 in 10.0 mi NNW 12.7 mph - 0.00 in   Mostly Cloudy
2:53 AM 60.1 °F 43.0 °F 53% 29.72 in 10.0 mi WNW 12.7 mph - 0.00 in   Overcast
3:53 AM 57.0 °F 46.0 °F 67% 29.72 in 10.0 mi NW 8.1 mph - N/A   Clear
4:53 AM 55.9 °F 46.0 °F 69% 29.72 in 10.0 mi West 3.5 mph - N/A   Clear
5:53 AM 55.0 °F 45.0 °F 69% 29.73 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 55.9 °F 46.0 °F 69% 29.75 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 57.9 °F 45.0 °F 62% 29.76 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 61.0 °F 45.0 °F 56% 29.76 in 10.0 mi ESE 3.5 mph - N/A   Clear
9:53 AM 64.9 °F 44.1 °F 47% 29.75 in 10.0 mi West 4.6 mph - N/A   Clear
10:53 AM 69.1 °F 43.0 °F 39% 29.73 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 71.1 °F 39.9 °F 32% 29.74 in 10.0 mi NW 10.4 mph - N/A   Clear
12:53 PM 71.1 °F 39.0 °F 31% 29.70 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
1:53 PM 73.9 °F 37.0 °F 26% 29.68 in 10.0 mi WSW 3.5 mph - N/A   Clear
2:53 PM 75.0 °F 35.1 °F 23% 29.68 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
4:53 PM 71.1 °F 42.1 °F 35% 29.70 in 10.0 mi NNW 8.1 mph 17.3 mph N/A   Clear
5:53 PM 71.1 °F 39.0 °F 31% 29.70 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:53 PM 70.0 °F 37.9 °F 31% 29.68 in 10.0 mi South 3.5 mph - N/A   Clear
7:53 PM 70.0 °F 39.0 °F 32% 29.70 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
8:53 PM 64.0 °F 44.1 °F 48% 29.73 in 10.0 mi NW 13.8 mph - N/A   Clear
9:53 PM 63.0 °F 44.1 °F 50% 29.76 in 10.0 mi WNW 17.3 mph - N/A   Overcast
10:53 PM 57.0 °F 48.0 °F 72% 29.79 in 10.0 mi NW 16.1 mph - N/A   Overcast
11:53 PM 57.0 °F 48.0 °F 72% 29.76 in 10.0 mi NNW 6.9 mph - 0.00 in   Overcast