Weather History for Greybull, WY

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Sunday, May 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 55 °F 58 °F  
Max Temperature 61 °F 71 °F 94 °F (2009)
Min Temperature 49 °F 44 °F 31 °F (2003)
Degree Days  
Heating Degree Days 10 8  
Month to date heating degree days 147 204  
Since 1 July heating degree days 7557 7603  
Cooling Degree Days 0 1  
Month to date cooling degree days 23 4  
Year to date cooling degree days 23 5  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 44 °F    
Average Humidity 70    
Maximum Humidity 83    
Minimum Humidity 57    
Precipitation  
Precipitation 0.02 in 0.06 in 0.72 in (2010)
Month to date precipitation 0.42 0.82  
Year to date precipitation 1.31 2.34  
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 27 mph (NW)    
Max Wind Speed 43 mph    
Max Gust Speed 53 mph    
Visibility 10 miles    
Events Rain    
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. 19, 2013 Rise Set
Actual Time 5:40 AM MDT 8:38 PM MDT
Civil Twilight 5:05 AM MDT 9:12 PM MDT
Nautical Twilight 4:22 AM MDT 9:56 PM MDT
Astronomical Twilight 3:30 AM MDT 10:48 PM MDT
Moon 2:32 PM MDT (5/19) 2:19 AM MDT (5/19)
Length of Visible Light 16h 06m
Length of Day
14h 57m
Waxing Gibbous, 66% of the Moon is Illuminated
May 19
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 53.1 °F 46.0 °F 77% 29.85 in 10.0 mi NW 17.3 mph - N/A   Overcast
1:53 AM 52.0 °F 46.0 °F 80% 29.85 in 10.0 mi NW 18.4 mph 25.3 mph N/A   Overcast
2:53 AM 51.1 °F 45.0 °F 80% 29.84 in 10.0 mi NW 26.5 mph 34.5 mph 0.00 in Rain Light Rain
4:53 AM 51.1 °F 45.0 °F 80% 29.83 in 10.0 mi NW 21.9 mph - N/A   Overcast
6:53 AM 51.1 °F 45.0 °F 80% 29.84 in 10.0 mi NW 21.9 mph - 0.00 in   Overcast
7:53 AM 50.0 °F 46.0 °F 86% 29.85 in 9.0 mi NW 20.7 mph 28.8 mph 0.00 in Rain Light Rain
8:53 AM 51.1 °F 46.9 °F 86% 29.85 in 10.0 mi NW 21.9 mph - 0.02 in Rain Light Rain
9:53 AM 53.1 °F 48.0 °F 83% 29.84 in 10.0 mi NW 25.3 mph 32.2 mph 0.00 in   Overcast
10:53 AM 55.0 °F 46.0 °F 72% 29.84 in 10.0 mi NW 26.5 mph 33.4 mph N/A   Overcast
11:53 AM 59.0 °F 45.0 °F 60% 29.82 in 10.0 mi NW 26.5 mph 34.5 mph N/A   Mostly Cloudy
1:53 PM 57.0 °F 44.1 °F 62% 29.84 in 10.0 mi NW 32.2 mph 40.3 mph N/A   Overcast
2:53 PM 55.9 °F 42.1 °F 60% 29.86 in 10.0 mi NW 33.4 mph 46.0 mph 0.00 in   Overcast
3:53 PM 54.0 °F 42.1 °F 64% 29.87 in 10.0 mi NW 36.8 mph 51.8 mph N/A   Overcast
4:53 PM 53.1 °F 41.0 °F 64% 29.88 in 10.0 mi NW 40.3 mph 50.6 mph N/A   Overcast
5:53 PM 54.0 °F 41.0 °F 62% 29.89 in 10.0 mi NW 36.8 mph 48.3 mph N/A   Mostly Cloudy
6:53 PM 51.1 °F 39.9 °F 66% 29.92 in 10.0 mi NW 36.8 mph 43.7 mph 0.00 in Rain Light Rain
7:53 PM 51.1 °F 41.0 °F 68% 29.94 in 10.0 mi NW 29.9 mph 39.1 mph 0.00 in   Overcast
8:53 PM 50.0 °F 42.1 °F 74% 29.94 in 10.0 mi NW 25.3 mph 33.4 mph N/A   Overcast
9:53 PM 50.0 °F 43.0 °F 77% 29.96 in 10.0 mi NW 24.2 mph 34.5 mph N/A   Overcast
10:53 PM 48.9 °F 43.0 °F 80% 29.96 in 10.0 mi NW 24.2 mph 31.1 mph N/A   Overcast
11:53 PM 50.0 °F 44.1 °F 80% 29.94 in 10.0 mi NW 21.9 mph 32.2 mph N/A   Mostly Cloudy