Weather History for Greybull, WY

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Saturday, September 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 63 °F 56 °F  
Max Temperature 82 °F 71 °F 90 °F (2007)
Min Temperature 44 °F 40 °F 30 °F (2000)
Degree Days  
Heating Degree Days 2 9  
Month to date heating degree days 118  
Since 1 July heating degree days 139  
Cooling Degree Days 0 0  
Month to date cooling degree days 34  
Year to date cooling degree days 667  
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 31 °F    
Average Humidity 36    
Maximum Humidity 65    
Minimum Humidity 14    
Precipitation  
Precipitation 0.00 in 0.03 in 0.16 in (2006)
Month to date precipitation 0.65  
Year to date precipitation 6.10  
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 2 mph (WSW)    
Max Wind Speed 9 mph    
Max Gust Speed -    
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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Date:

Astronomy

Sep. 22, 2012 Rise Set
Actual Time 7:00 AM MDT 7:08 PM MDT
Civil Twilight 6:31 AM MDT 7:37 PM MDT
Nautical Twilight 5:56 AM MDT 8:11 PM MDT
Astronomical Twilight 5:21 AM MDT 8:46 PM MDT
Moon 2:34 PM MDT (9/22) No Moon Set
Length of Visible Light 13h 06m
Length of Day
12h 08m
Waxing Crescent, 49% of the Moon is Illuminated
Sep 22
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
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 - 32.0 °F 45% 30.08 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 51.1 °F - 35.1 °F 54% 30.09 in 10.0 mi SE 3.5 mph - N/A   Clear
2:53 AM 51.1 °F - 30.0 °F 44% 30.09 in 10.0 mi ESE 5.8 mph - N/A   Clear
3:53 AM 48.0 °F - 30.9 °F 52% 30.10 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 46.0 °F - 32.0 °F 58% 30.11 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 44.1 °F 41.5 °F 30.9 °F 60% 30.13 in 10.0 mi ESE 4.6 mph - N/A   Clear
6:53 AM 45.0 °F 43.5 °F 30.0 °F 56% 30.14 in 10.0 mi SE 3.5 mph - N/A   Clear
7:53 AM 44.1 °F - 33.1 °F 65% 30.16 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 50.0 °F - 30.9 °F 48% 30.17 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 57.9 °F - 30.0 °F 35% 30.16 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 62.1 °F - 32.0 °F 32% 30.14 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 79.0 °F - 32.0 °F 18% 30.04 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 81.0 °F - 30.9 °F 16% 30.01 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 82.0 °F - 30.9 °F 16% 29.99 in 10.0 mi ESE 4.6 mph - N/A   Clear
4:53 PM 82.9 °F - 28.0 °F 14% 29.97 in 10.0 mi Calm Calm - N/A   Clear
5:53 PM 82.0 °F - 28.9 °F 14% 29.98 in 10.0 mi West 4.6 mph - N/A   Clear
6:53 PM 75.9 °F - 28.9 °F 18% 29.98 in 10.0 mi NW 5.8 mph - N/A   Clear
7:53 PM 71.1 °F - 28.0 °F 20% 30.00 in 10.0 mi NNW 8.1 mph - N/A   Clear
8:53 PM 66.9 °F - 28.9 °F 24% 30.00 in 10.0 mi WNW 9.2 mph - N/A   Clear
9:53 PM 66.9 °F - 30.0 °F 25% 29.99 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 60.1 °F - 30.0 °F 32% 30.00 in 10.0 mi WSW 9.2 mph - N/A   Clear
11:53 PM 55.9 °F - 30.0 °F 37% 30.01 in 10.0 mi NW 3.5 mph - N/A   Clear