Weather History for Yellowstone, WY

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Wednesday, May 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 47 °F 40 °F  
Max Temperature 65 °F 51 °F 65 °F (2013)
Min Temperature 29 °F 28 °F 19 °F (1999)
Degree Days  
Heating Degree Days 18 25  
Month to date heating degree days 378 409  
Since 1 July heating degree days 10807 10660  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 28 °F    
Average Humidity 57    
Maximum Humidity 92    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in 0.07 in 0.34 in (1999)
Month to date precipitation 0.07 1.05  
Year to date precipitation 7.03 7.86  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 3 mph (WNW)    
Max Wind Speed 15 mph    
Max Gust Speed 24 mph    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

May. 15, 2013 Rise Set
Actual Time 5:53 AM MDT 8:43 PM MDT
Civil Twilight 5:19 AM MDT 9:17 PM MDT
Nautical Twilight 4:36 AM MDT 10:00 PM MDT
Astronomical Twilight 3:46 AM MDT 10:50 PM MDT
Moon 10:34 AM MDT (5/15) 12:29 AM MDT (5/15)
Length of Visible Light 15h 57m
Length of Day
14h 49m
Waxing Crescent, 27% of the Moon is Illuminated
May 15
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

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 46.0 °F 44.8 °F 28.0 °F 50% 29.92 in - WNW 3.5 mph - N/A   Unknown
1:56 AM 36.0 °F - 28.9 °F 76% 29.96 in - Calm Calm - N/A   Unknown
2:56 AM 33.1 °F - 27.0 °F 78% 29.97 in - Calm Calm - N/A   Unknown
3:56 AM 30.9 °F 27.5 °F 27.0 °F 85% 29.99 in - NW 3.5 mph - N/A   Unknown
4:56 AM 30.0 °F - 26.1 °F 85% 29.99 in - Calm Calm - N/A   Unknown
5:56 AM 28.9 °F - 26.1 °F 89% 30.01 in - Calm Calm - N/A   Unknown
6:56 AM 30.9 °F - 26.1 °F 82% 30.01 in - Calm Calm - N/A   Unknown
7:56 AM 42.1 °F - 30.9 °F 65% 29.98 in - Calm Calm - N/A   Unknown
8:56 AM 46.0 °F - 27.0 °F 47% 30.01 in - Calm Calm - N/A   Unknown
9:56 AM 46.9 °F - 27.0 °F 46% 30.02 in - ESE 3.5 mph - N/A   Unknown
10:56 AM 54.0 °F - 27.0 °F 35% 29.96 in - Variable 3.5 mph - N/A   Unknown
11:56 AM 57.0 °F - 28.9 °F 34% 29.92 in - Calm Calm - N/A   Unknown
12:56 PM 61.0 °F - 24.1 °F 24% 29.90 in - Variable 3.5 mph - N/A   Unknown
1:56 PM 62.1 °F - 23.0 °F 22% 29.93 in - Variable 6.9 mph - N/A   Unknown
2:56 PM 60.1 °F - 21.0 °F 22% 29.92 in - Variable 3.5 mph - N/A   Unknown
3:56 PM 61.0 °F - 26.1 °F 26% 29.91 in - Variable 5.8 mph - N/A   Unknown
4:56 PM 64.0 °F - 25.0 °F 23% 29.88 in - West 10.4 mph 20.7 mph N/A   Unknown
5:56 PM 61.0 °F - 28.0 °F 29% 29.89 in - Variable 3.5 mph - N/A   Unknown
6:56 PM 57.0 °F - 30.0 °F 36% 29.89 in - Variable 6.9 mph 16.1 mph N/A   Unknown
7:56 PM 54.0 °F - 30.9 °F 41% 29.85 in - West 3.5 mph - N/A   Unknown
8:56 PM 51.1 °F - 33.1 °F 50% 29.86 in - NW 5.8 mph - N/A   Unknown
9:56 PM 46.9 °F - 35.1 °F 63% 29.92 in - Calm Calm - N/A   Unknown
10:56 PM 44.1 °F - 35.1 °F 71% 29.88 in - Calm Calm - N/A   Unknown
11:56 PM 42.1 °F - 35.1 °F 76% 29.85 in - Calm Calm - N/A   Unknown