Weather History for Yellowstone, WY

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Tuesday, August 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 62 °F 55 °F  
Max Temperature 81 °F 72 °F 81 °F (2013)
Min Temperature 43 °F 38 °F 32 °F (2006)
Degree Days  
Heating Degree Days 3 10  
Month to date heating degree days 150 176  
Since 1 June heating degree days 781 952  
Since 1 July heating degree days 348 459  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Since 1 June cooling degree days 0 0  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 33 °F    
Average Humidity 47    
Maximum Humidity 82    
Minimum Humidity 11    
Precipitation  
Precipitation 0.00 in 0.04 in 0.16 in (2014)
Month to date precipitation 0.36 0.92  
Year to date precipitation 11.71 13.47  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 3 mph (WNW)    
Max Wind Speed 14 mph    
Max Gust Speed 23 mph    
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

Aug. 20, 2013 Rise Set
Actual Time 6:30 AM MDT 8:18 PM MDT
Civil Twilight 5:59 AM MDT 8:49 PM MDT
Nautical Twilight 5:21 AM MDT 9:27 PM MDT
Astronomical Twilight 4:40 AM MDT 10:08 PM MDT
Moon 7:49 PM MDT (8/20) 6:05 AM MDT (8/20)
Length of Visible Light 14h 49m
Length of Day
13h 47m
Full, 100% of the Moon is Illuminated
Aug 20
Full
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 52.0 °F - 35.1 °F 53% 30.03 in - Calm Calm - N/A   Unknown
1:56 AM 48.9 °F - 35.1 °F 59% 30.03 in - Calm Calm - N/A   Unknown
2:56 AM 46.9 °F - 35.1 °F 63% 30.02 in - NW 3.5 mph - N/A   Unknown
3:56 AM 46.0 °F 44.8 °F 36.0 °F 68% 30.03 in - West 3.5 mph - N/A   Unknown
4:56 AM 45.0 °F - 36.0 °F 71% 30.04 in - Calm Calm - N/A   Unknown
5:56 AM 45.0 °F - 36.0 °F 71% 30.05 in - Calm Calm - N/A   Unknown
6:56 AM 43.0 °F 41.3 °F 37.0 °F 80% 30.08 in - NW 3.5 mph - N/A   Unknown
7:56 AM 48.0 °F - 39.0 °F 71% 30.08 in - Calm Calm - N/A   Unknown
8:56 AM 61.0 °F - 42.1 °F 50% 30.04 in - Calm Calm - N/A   Unknown
9:56 AM 64.0 °F - 44.1 °F 48% 30.04 in - Calm Calm - N/A   Unknown
10:56 AM 66.0 °F - 44.1 °F 45% 30.05 in - ESE 4.6 mph - N/A   Unknown
11:56 AM 69.1 °F - 44.1 °F 40% 30.05 in - Variable 5.8 mph - N/A   Unknown
12:56 PM 73.0 °F - 39.9 °F 30% 30.02 in - Variable 4.6 mph - N/A   Unknown
1:56 PM 78.1 °F - 24.1 °F 14% 30.00 in - Variable 4.6 mph - N/A   Unknown
2:56 PM 80.1 °F - 23.0 °F 12% 29.99 in - Variable 3.5 mph - N/A   Unknown
3:56 PM 80.1 °F - 21.0 °F 11% 29.99 in - Variable 4.6 mph 16.1 mph N/A   Unknown
4:56 PM 80.1 °F - 24.1 °F 13% 29.98 in - West 9.2 mph - N/A   Unknown
5:56 PM 77.0 °F - 24.1 °F 14% 29.99 in - Variable 6.9 mph - N/A   Unknown
6:56 PM 75.9 °F - 25.0 °F 15% 30.00 in - Variable 4.6 mph - N/A   Unknown
7:56 PM 73.0 °F - 28.9 °F 20% 30.01 in - Variable 3.5 mph - N/A   Unknown
8:56 PM 68.0 °F - 30.0 °F 24% 29.99 in - Calm Calm - N/A   Unknown
9:56 PM 59.0 °F - 34.0 °F 39% 30.04 in - WNW 3.5 mph - N/A   Unknown
10:56 PM 64.0 °F - 30.9 °F 29% 30.02 in - Variable 3.5 mph - N/A   Unknown
11:56 PM 55.9 °F - 35.1 °F 45% 30.05 in - Calm Calm - N/A   Unknown