Weather History for Greybull, WY

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Thursday, October 13, 2011

  Actual Average Record
Temperature  
Mean Temperature 46 °F 47 °F  
Max Temperature 59 °F 61 °F 76 °F (1999)
Min Temperature 34 °F 33 °F 21 °F (2002)
Degree Days  
Heating Degree Days 20 18  
Month to date heating degree days 202  
Since 1 July heating degree days 433  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 669  
Moisture  
Dew Point 35 °F    
Average Humidity 69    
Maximum Humidity 96    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in 0.02 in 0.34 in (1975)
Month to date precipitation 0.32  
Year to date precipitation 6.65  
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 3 mph (West)    
Max Wind Speed 6 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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Astronomy

Oct. 13, 2011 Rise Set
Actual Time 7:24 AM MDT 6:31 PM MDT
Civil Twilight 6:55 AM MDT 7:00 PM MDT
Nautical Twilight 6:21 AM MDT 7:34 PM MDT
Astronomical Twilight 5:47 AM MDT 8:08 PM MDT
Moon 7:02 PM MDT (10/13) 9:05 AM MDT (10/13)
Length of Visible Light 12h 05m
Length of Day
11h 07m
Full, 98% of the Moon is Illuminated
Oct 13
Full
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter
Nov 10
Full

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 41.0 °F 39.0 °F 34.0 °F 76% 30.04 in 10.0 mi ESE 3.5 mph - N/A   Clear
1:53 AM 39.9 °F 37.8 °F 34.0 °F 79% 30.03 in 10.0 mi ESE 3.5 mph - N/A   Clear
2:53 AM 39.0 °F 36.8 °F 34.0 °F 82% 30.03 in 10.0 mi SE 3.5 mph - N/A   Clear
3:53 AM 37.0 °F - 34.0 °F 89% 30.03 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 36.0 °F 32.1 °F 33.1 °F 89% 30.04 in 10.0 mi SSE 4.6 mph - N/A   Clear
5:53 AM 34.0 °F - 33.1 °F 96% 30.04 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 36.0 °F - 33.1 °F 89% 30.06 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 37.9 °F - 36.0 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 39.9 °F - 37.0 °F 89% 30.10 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:53 AM 41.0 °F - 37.9 °F 89% 30.11 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 45.0 °F 43.5 °F 36.0 °F 71% 30.09 in 10.0 mi SSE 3.5 mph - N/A   Clear
12:53 PM 50.0 °F - 35.1 °F 57% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 PM 54.0 °F - 36.0 °F 51% 30.03 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 55.9 °F - 35.1 °F 45% 30.01 in 10.0 mi WNW 4.6 mph - N/A   Partly Cloudy
3:53 PM 57.9 °F - 33.1 °F 39% 29.99 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
4:53 PM 57.0 °F - 30.9 °F 37% 29.99 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
5:53 PM 55.9 °F - 30.9 °F 39% 30.00 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:53 PM 54.0 °F - 36.0 °F 51% 30.00 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
7:53 PM 52.0 °F - 37.9 °F 59% 30.01 in 10.0 mi NW 3.5 mph - N/A   Overcast
8:53 PM 51.1 °F - 37.9 °F 61% 30.02 in 10.0 mi West 5.8 mph - N/A   Overcast
10:53 PM 48.9 °F - 37.9 °F 66% 30.03 in 10.0 mi WNW 3.5 mph - N/A   Overcast
11:53 PM 46.9 °F - 39.0 °F 74% 30.02 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy