Weather History for Yellowstone, WY

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Sunday, July 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 60 °F 57 °F  
Max Temperature 79 °F 73 °F 84 °F (2007)
Min Temperature 40 °F 41 °F 34 °F (2000)
Degree Days  
Heating Degree Days 5 8  
Month to date heating degree days 114 203  
Since 1 June heating degree days 547 696  
Since 1 July heating degree days 114 203  
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 31 °F    
Average Humidity 46    
Maximum Humidity 85    
Minimum Humidity 7    
Precipitation  
Precipitation 0.00 in 0.06 in 0.14 in (2008)
Month to date precipitation 0.94 0.97  
Year to date precipitation 10.69 12.05  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 3 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 22 mph    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Jul. 21, 2013 Rise Set
Actual Time 5:56 AM MDT 8:58 PM MDT
Civil Twilight 5:22 AM MDT 9:33 PM MDT
Nautical Twilight 4:37 AM MDT 10:17 PM MDT
Astronomical Twilight 3:44 AM MDT 11:10 PM MDT
Moon 7:57 PM MDT (7/21) 4:47 AM MDT (7/21)
Length of Visible Light 16h 11m
Length of Day
15h 01m
Waxing Gibbous, 98% of the Moon is Illuminated
Jul 21
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 48.0 °F 34.0 °F 58% 29.93 in - Calm Calm - N/A   Unknown
1:56 AM 46.0 °F 34.0 °F 63% 29.91 in - Calm Calm - N/A   Unknown
2:56 AM 44.1 °F 34.0 °F 68% 29.91 in - Calm Calm - N/A   Unknown
3:56 AM 42.1 °F 35.1 °F 76% 29.90 in - Calm Calm - N/A   Unknown
4:56 AM 41.0 °F 35.1 °F 79% 29.91 in - Calm Calm - N/A   Unknown
5:56 AM 39.9 °F 35.1 °F 83% 29.94 in - Calm Calm - N/A   Unknown
6:56 AM 42.1 °F 36.0 °F 79% 29.93 in - Calm Calm - N/A   Unknown
7:56 AM 52.0 °F 43.0 °F 71% 29.93 in - Calm Calm - N/A   Unknown
8:56 AM 57.0 °F 45.0 °F 64% 29.96 in - ESE 3.5 mph - N/A   Unknown
9:56 AM 60.1 °F 46.9 °F 62% 29.98 in - Variable 3.5 mph - N/A   Unknown
10:56 AM 64.9 °F 46.0 °F 50% 29.97 in - Calm Calm - N/A   Unknown
11:56 AM 68.0 °F 35.1 °F 30% 29.96 in - Variable 3.5 mph - N/A   Unknown
12:56 PM 75.9 °F 12.9 °F 9% 29.93 in - Variable 4.6 mph - N/A   Unknown
1:56 PM 75.0 °F 9.0 °F 8% 29.93 in - West 8.1 mph 19.6 mph N/A   Unknown
2:56 PM 78.1 °F 16.0 °F 10% 29.92 in - Variable 5.8 mph 16.1 mph N/A   Unknown
3:56 PM 78.1 °F 21.0 °F 12% 29.92 in - Variable 4.6 mph - N/A   Unknown
4:56 PM 78.1 °F 21.9 °F 12% 29.93 in - Variable 6.9 mph - N/A   Unknown
5:56 PM 78.1 °F 19.9 °F 11% 29.93 in - West 8.1 mph 16.1 mph N/A   Unknown
6:56 PM 75.9 °F 23.0 °F 14% 29.93 in - South 3.5 mph - N/A   Unknown
7:56 PM 73.0 °F 28.0 °F 19% 29.91 in - Calm Calm - N/A   Unknown
8:56 PM 66.0 °F 30.9 °F 27% 29.93 in - Variable 3.5 mph - N/A   Unknown
9:56 PM 60.1 °F 33.1 °F 36% 29.97 in - WNW 4.6 mph - N/A   Unknown
10:56 PM 54.0 °F 35.1 °F 49% 29.98 in - Calm Calm - N/A   Unknown
11:56 PM 50.0 °F 33.1 °F 52% 29.98 in - NW 3.5 mph - N/A   Unknown