Weather History for Greybull, WY

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Wednesday, August 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 78 °F 71 °F  
Max Temperature 90 °F 88 °F 100 °F (2010)
Min Temperature 66 °F 54 °F 48 °F (2000)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 36 76  
Since 1 July heating degree days 0 6  
Cooling Degree Days 13 6  
Month to date cooling degree days 205 179  
Year to date cooling degree days 788 582  
Since 1 June cooling degree days 761 562  
Growing Degree Days 29 (Base 50)    
Moisture  
Dew Point 41 °F    
Average Humidity 32    
Maximum Humidity 47    
Minimum Humidity 16    
Precipitation  
Precipitation 0.00 in 0.01 in 0.53 in (1965)
Month to date precipitation T 0.22  
Year to date precipitation 2.62 5.25  
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 8 mph (WNW)    
Max Wind Speed 22 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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Astronomy

Aug. 21, 2013 Rise Set
Actual Time 6:22 AM MDT 8:07 PM MDT
Civil Twilight 5:51 AM MDT 8:38 PM MDT
Nautical Twilight 5:13 AM MDT 9:15 PM MDT
Astronomical Twilight 4:32 AM MDT 9:56 PM MDT
Moon 8:12 PM MDT (8/21) 7:10 AM MDT (8/21)
Length of Visible Light 14h 46m
Length of Day
13h 44m
Full, 99% of the Moon is Illuminated
Aug 21
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 71.1 °F 42.1 °F 35% 29.81 in 10.0 mi West 4.6 mph - N/A   Clear
1:53 AM 71.1 °F 37.9 °F 30% 29.81 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 68.0 °F 42.1 °F 39% 29.82 in 10.0 mi ESE 5.8 mph - N/A   Clear
3:53 AM 68.0 °F 37.0 °F 32% 29.84 in 10.0 mi NW 4.6 mph - N/A   Clear
4:53 AM 72.0 °F 35.1 °F 26% 29.84 in 10.0 mi WNW 10.4 mph - N/A   Clear
5:53 AM 69.1 °F 37.9 °F 32% 29.86 in 10.0 mi WNW 11.5 mph - N/A   Clear
6:53 AM 68.0 °F 39.9 °F 36% 29.89 in 10.0 mi NW 10.4 mph - N/A   Clear
7:53 AM 69.1 °F 39.9 °F 35% 29.91 in 10.0 mi WNW 3.5 mph - N/A   Clear
8:53 AM 69.1 °F 44.1 °F 40% 29.93 in 10.0 mi ESE 3.5 mph - N/A   Clear
9:53 AM 78.1 °F 42.1 °F 28% 29.92 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 84.9 °F 39.9 °F 20% 29.91 in 10.0 mi NNW 15.0 mph - N/A   Clear
11:53 AM 88.0 °F 39.0 °F 18% 29.92 in 10.0 mi NW 13.8 mph 21.9 mph N/A   Clear
12:53 PM 87.1 °F 37.0 °F 17% 29.93 in 10.0 mi NNW 9.2 mph - N/A   Clear
1:53 PM 89.1 °F 39.0 °F 17% 29.93 in 10.0 mi ESE 8.1 mph - N/A   Clear
2:53 PM 90.0 °F 37.9 °F 16% 29.93 in 10.0 mi SSE 8.1 mph - N/A   Clear
3:53 PM 84.9 °F 44.1 °F 24% 29.94 in 10.0 mi SSE 15.0 mph - N/A   Clear
4:53 PM 86.0 °F 44.1 °F 23% 29.93 in 10.0 mi South 11.5 mph - N/A   Clear
5:53 PM 84.0 °F 46.0 °F 26% 29.94 in 10.0 mi South 13.8 mph - N/A   Clear
6:53 PM 82.9 °F 44.1 °F 25% 29.95 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
7:53 PM 82.0 °F 42.1 °F 24% 29.96 in 10.0 mi NW 6.9 mph - N/A   Clear
8:53 PM 80.1 °F 41.0 °F 25% 29.97 in 10.0 mi NW 11.5 mph - N/A   Clear
9:53 PM 78.1 °F 44.1 °F 30% 29.98 in 10.0 mi WNW 10.4 mph - N/A   Clear
10:53 PM 72.0 °F 50.0 °F 46% 29.98 in 10.0 mi East 3.5 mph - N/A   Clear
11:53 PM 72.0 °F 48.9 °F 44% 29.99 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy