Weather History for Yellowstone, WY

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Saturday, July 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 59 °F 57 °F  
Max Temperature 80 °F 73 °F 84 °F (2003)
Min Temperature 38 °F 41 °F 33 °F (2010)
Degree Days  
Heating Degree Days 6 8  
Month to date heating degree days 109 195  
Since 1 June heating degree days 542 688  
Since 1 July heating degree days 109 195  
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 8 (Base 50)    
Moisture  
Dew Point 32 °F    
Average Humidity 44    
Maximum Humidity 76    
Minimum Humidity 12    
Precipitation  
Precipitation 0.00 in 0.05 in 0.18 in (2004)
Month to date precipitation 0.94 0.91  
Year to date precipitation 10.69 11.99  
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 3 mph (WNW)    
Max Wind Speed 13 mph    
Max Gust Speed 23 mph    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Jul. 20, 2013 Rise Set
Actual Time 5:55 AM MDT 8:59 PM MDT
Civil Twilight 5:21 AM MDT 9:34 PM MDT
Nautical Twilight 4:36 AM MDT 10:18 PM MDT
Astronomical Twilight 3:42 AM MDT 11:12 PM MDT
Moon 7:05 PM MDT 3:39 AM MDT
Length of Visible Light 16h 13m
Length of Day
15h 03m
Waxing Gibbous, 94% of the Moon is Illuminated
Jul 20
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
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 46.9 °F - 30.9 °F 54% 30.04 in - Calm Calm - N/A   Unknown
1:56 AM 45.0 °F - 32.0 °F 60% 30.04 in - Calm Calm - N/A   Unknown
2:56 AM 43.0 °F 41.3 °F 30.9 °F 62% 30.06 in - NW 3.5 mph - N/A   Unknown
3:56 AM 41.0 °F - 30.9 °F 67% 30.04 in - Calm Calm - N/A   Unknown
4:56 AM 39.0 °F - 30.9 °F 73% 30.06 in - Calm Calm - N/A   Unknown
5:56 AM 37.9 °F - 30.9 °F 76% 30.06 in - Calm Calm - N/A   Unknown
6:56 AM 41.0 °F - 33.1 °F 73% 30.06 in - Calm Calm - N/A   Unknown
7:56 AM 51.1 °F - 39.0 °F 63% 30.03 in - Calm Calm - N/A   Unknown
8:56 AM 57.0 °F - 45.0 °F 64% 30.06 in - Calm Calm - N/A   Unknown
9:56 AM 60.1 °F - 46.9 °F 62% 30.06 in - ESE 4.6 mph - N/A   Unknown
10:56 AM 63.0 °F - 45.0 °F 52% 30.07 in - Variable 3.5 mph - N/A   Unknown
11:56 AM 70.0 °F - 35.1 °F 28% 30.03 in - SSE 5.8 mph - N/A   Unknown
12:56 PM 71.1 °F - 37.0 °F 29% 30.01 in - Variable 5.8 mph - N/A   Unknown
1:56 PM 77.0 °F - 23.0 °F 13% 29.98 in - Variable 6.9 mph - N/A   Unknown
2:56 PM 77.0 °F - 23.0 °F 13% 29.99 in - West 8.1 mph 16.1 mph N/A   Unknown
3:56 PM 79.0 °F - 23.0 °F 13% 29.98 in - Variable 6.9 mph 17.3 mph N/A   Unknown
4:56 PM 78.1 °F - 26.1 °F 15% 29.97 in - Variable 5.8 mph 18.4 mph N/A   Unknown
5:56 PM 78.1 °F - 23.0 °F 13% 29.97 in - West 10.4 mph 16.1 mph N/A   Unknown
6:56 PM 77.0 °F - 21.9 °F 13% 29.95 in - Variable 4.6 mph - N/A   Unknown
7:56 PM 73.9 °F - 24.1 °F 16% 29.92 in - Variable 4.6 mph - N/A   Unknown
8:56 PM 62.1 °F - 35.1 °F 37% 29.95 in - WNW 3.5 mph - N/A   Unknown
9:56 PM 55.9 °F - 34.0 °F 44% 29.97 in - NW 3.5 mph - N/A   Unknown
10:56 PM 52.0 °F - 34.0 °F 50% 29.96 in - Calm Calm - N/A   Unknown
11:56 PM 48.9 °F - 35.1 °F 59% 29.94 in - Calm Calm - N/A   Unknown