Weather History for Greybull, WY

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Sunday, October 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 45 °F 45 °F  
Max Temperature 54 °F 58 °F 76 °F (2003)
Min Temperature 36 °F 31 °F 21 °F (1999)
Degree Days  
Heating Degree Days 20 20  
Month to date heating degree days 440 337  
Since 1 July heating degree days 562 568  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1005 669  
Moisture  
Dew Point 35 °F    
Average Humidity 64    
Maximum Humidity 86    
Minimum Humidity 41    
Precipitation  
Precipitation 0.03 in 0.01 in 0.47 in (2007)
Month to date precipitation 1.04 0.47  
Year to date precipitation 4.77 6.80  
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 12 mph (NW)    
Max Wind Speed 32 mph    
Max Gust Speed 40 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

Oct. 20, 2013 Rise Set
Actual Time 7:34 AM MDT 6:19 PM MDT
Civil Twilight 7:04 AM MDT 6:48 PM MDT
Nautical Twilight 6:30 AM MDT 7:22 PM MDT
Astronomical Twilight 5:57 AM MDT 7:56 PM MDT
Moon 7:25 PM MDT (10/20) 9:19 AM MDT (10/20)
Length of Visible Light 11h 43m
Length of Day
10h 44m
Full, 97% of the Moon is Illuminated
Oct 20
Full
Oct 26
Last Quarter
Nov 3
New
Nov 9
First Quarter
Nov 17
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 46.0 °F 40.6 °F 39.0 °F 76% 29.96 in 10.0 mi NNW 11.5 mph - 0.00 in   Overcast
1:53 AM 44.1 °F 37.4 °F 39.0 °F 82% 29.98 in 10.0 mi NW 13.8 mph - 0.01 in Rain Light Rain
2:53 AM 43.0 °F 33.3 °F 37.0 °F 80% 29.99 in 10.0 mi NW 25.3 mph 31.1 mph 0.01 in Rain Light Rain
3:53 AM 42.1 °F 34.5 °F 37.0 °F 82% 30.01 in 10.0 mi WNW 15.0 mph - 0.01 in   Overcast
4:53 AM 41.0 °F 32.8 °F 37.9 °F 89% 30.02 in 10.0 mi WNW 16.1 mph - N/A   Overcast
5:53 AM 41.0 °F 33.5 °F 37.0 °F 86% 30.03 in 10.0 mi WNW 13.8 mph - N/A   Mostly Cloudy
6:53 AM 39.9 °F 31.8 °F 36.0 °F 86% 30.05 in 10.0 mi WNW 15.0 mph - N/A   Clear
7:53 AM 39.9 °F 33.4 °F 35.1 °F 83% 30.07 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
8:53 AM 42.1 °F 36.1 °F 36.0 °F 79% 30.09 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
9:53 AM 45.0 °F 40.6 °F 36.0 °F 71% 30.09 in 10.0 mi NW 8.1 mph - N/A   Clear
10:53 AM 48.0 °F - 35.1 °F 61% 30.09 in 10.0 mi NNW 9.2 mph 17.3 mph N/A   Overcast
11:53 AM 50.0 °F - 35.1 °F 57% 30.07 in 10.0 mi NW 15.0 mph - N/A   Scattered Clouds
12:53 PM 51.1 °F - 32.0 °F 48% 30.06 in 10.0 mi NNW 17.3 mph 21.9 mph N/A   Partly Cloudy
1:53 PM 52.0 °F - 30.9 °F 45% 30.04 in 10.0 mi North 16.1 mph 24.2 mph N/A   Partly Cloudy
2:53 PM 53.1 °F - 30.9 °F 43% 30.04 in 10.0 mi NNW 16.1 mph 21.9 mph N/A   Clear
3:53 PM 54.0 °F - 30.9 °F 41% 30.03 in 10.0 mi NNW 17.3 mph - N/A   Mostly Cloudy
4:53 PM 52.0 °F - 30.0 °F 43% 30.05 in 10.0 mi North 13.8 mph - N/A   Mostly Cloudy
5:53 PM 50.0 °F - 30.9 °F 48% 30.06 in 10.0 mi North 10.4 mph - N/A   Clear
6:53 PM 46.0 °F 40.6 °F 32.0 °F 58% 30.09 in 10.0 mi WSW 11.5 mph - N/A   Scattered Clouds
7:53 PM 43.0 °F 40.3 °F 34.0 °F 71% 30.10 in 10.0 mi WSW 4.6 mph - N/A   Overcast
8:53 PM 42.1 °F 38.4 °F 35.1 °F 76% 30.11 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
9:53 PM 39.0 °F 35.7 °F 34.0 °F 82% 30.12 in 10.0 mi WNW 4.6 mph - N/A   Clear
10:53 PM 39.9 °F 36.7 °F 33.1 °F 77% 30.12 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
11:53 PM 37.9 °F 35.5 °F 34.0 °F 86% 30.12 in 10.0 mi ESE 3.5 mph - N/A   Overcast