Weather History for Greybull, WY

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Monday, May 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 57 °F 58 °F  
Max Temperature 65 °F 72 °F 90 °F (2002)
Min Temperature 49 °F 44 °F 29 °F (2003)
Degree Days  
Heating Degree Days 8 8  
Month to date heating degree days 155 212  
Since 1 July heating degree days 7565 7611  
Cooling Degree Days 0 1  
Month to date cooling degree days 23 5  
Year to date cooling degree days 23 6  
Growing Degree Days 7 (Base 50)    
Moisture  
Dew Point 36 °F    
Average Humidity 52    
Maximum Humidity 80    
Minimum Humidity 24    
Precipitation  
Precipitation T in 0.06 in 0.42 in (2010)
Month to date precipitation 0.42 0.88  
Year to date precipitation 1.31 2.40  
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 25 mph (NNW)    
Max Wind Speed 33 mph    
Max Gust Speed 46 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

May. 20, 2013 Rise Set
Actual Time 5:39 AM MDT 8:39 PM MDT
Civil Twilight 5:04 AM MDT 9:13 PM MDT
Nautical Twilight 4:20 AM MDT 9:57 PM MDT
Astronomical Twilight 3:28 AM MDT 10:50 PM MDT
Moon 3:39 PM MDT (5/20) 2:47 AM MDT (5/20)
Length of Visible Light 16h 08m
Length of Day
14h 59m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
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 50.0 °F 45.0 °F 83% 29.94 in 10.0 mi NW 24.2 mph 31.1 mph N/A   Overcast
1:53 AM 50.0 °F 44.1 °F 80% 29.94 in 10.0 mi NW 23.0 mph 32.2 mph N/A   Overcast
2:53 AM 50.0 °F 45.0 °F 83% 29.95 in 10.0 mi NW 25.3 mph 33.4 mph N/A   Overcast
3:53 AM 50.0 °F 44.1 °F 80% 29.96 in 10.0 mi NW 25.3 mph 35.7 mph N/A   Mostly Cloudy
5:53 AM 51.1 °F 43.0 °F 74% 29.98 in 10.0 mi NNW 26.5 mph 36.8 mph N/A   Scattered Clouds
6:53 AM 51.1 °F 43.0 °F 74% 30.01 in 10.0 mi NW 21.9 mph 32.2 mph N/A   Mostly Cloudy
7:53 AM 53.1 °F 42.1 °F 66% 30.01 in 10.0 mi NNW 31.1 mph 40.3 mph N/A   Overcast
8:53 AM 54.0 °F 42.1 °F 64% 30.02 in 10.0 mi NNW 27.6 mph 36.8 mph N/A   Mostly Cloudy
9:53 AM 53.1 °F 41.0 °F 64% 30.04 in 10.0 mi NNW 27.6 mph 33.4 mph 0.00 in   Overcast
10:53 AM 57.0 °F 42.1 °F 57% 30.03 in 10.0 mi NNW 25.3 mph 34.5 mph N/A   Scattered Clouds
11:53 AM 57.9 °F 39.9 °F 51% 30.03 in 10.0 mi NNW 23.0 mph 38.0 mph N/A   Mostly Cloudy
12:53 PM 61.0 °F 34.0 °F 36% 30.01 in 10.0 mi NNW 27.6 mph 39.1 mph N/A   Clear
1:53 PM 62.1 °F 30.9 °F 31% 30.01 in 10.0 mi NNW 28.8 mph 38.0 mph N/A   Partly Cloudy
2:53 PM 63.0 °F 32.0 °F 31% 30.00 in 10.0 mi NNW 33.4 mph 41.4 mph N/A   Clear
3:53 PM 64.0 °F 27.0 °F 25% 30.00 in 10.0 mi North 27.6 mph 38.0 mph N/A   Partly Cloudy
4:53 PM 64.0 °F 27.0 °F 25% 30.00 in 10.0 mi North 20.7 mph 36.8 mph N/A   Clear
5:53 PM 63.0 °F 28.9 °F 28% 30.00 in 10.0 mi NNW 27.6 mph 33.4 mph N/A   Clear
6:53 PM 60.1 °F 26.1 °F 27% 30.01 in 10.0 mi NNW 23.0 mph 31.1 mph N/A   Clear
8:53 PM 55.9 °F 25.0 °F 30% 30.05 in 10.0 mi NW 20.7 mph 25.3 mph N/A   Clear
9:53 PM 54.0 °F 32.0 °F 43% 30.06 in 10.0 mi NW 18.4 mph - N/A   Partly Cloudy
10:53 PM 53.1 °F 32.0 °F 45% 30.06 in 10.0 mi NW 16.1 mph - N/A   Overcast
11:53 PM 52.0 °F 32.0 °F 47% 30.05 in 10.0 mi NW 21.9 mph - N/A   Overcast