Weather History for Yellowstone, WY

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Friday, May 10, 2013

  Actual Average Record
Temperature  
Mean Temperature 42 °F 38 °F  
Max Temperature 59 °F 50 °F 63 °F (2007)
Min Temperature 25 °F 27 °F 14 °F (1999)
Degree Days  
Heating Degree Days 23 27  
Month to date heating degree days 289 280  
Since 1 July heating degree days 10718 10531  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 26 °F    
Average Humidity 59    
Maximum Humidity 92    
Minimum Humidity 26    
Precipitation  
Precipitation 0.00 in 0.07 in 0.25 in (2005)
Month to date precipitation 0.07 0.70  
Year to date precipitation 7.03 7.51  
Sea Level Pressure  
Sea Level Pressure 30.35 in    
Wind  
Wind Speed 2 mph (NNW)    
Max Wind Speed 10 mph    
Max Gust Speed 17 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. 10, 2013 Rise Set
Actual Time 5:59 AM MDT 8:37 PM MDT
Civil Twilight 5:26 AM MDT 9:10 PM MDT
Nautical Twilight 4:44 AM MDT 9:52 PM MDT
Astronomical Twilight 3:56 AM MDT 10:40 PM MDT
Moon 6:25 AM MDT (5/10) 9:30 PM MDT (5/10)
Length of Visible Light 15h 44m
Length of Day
14h 37m
New Moon, 1% of the Moon is Illuminated
May 10
New Moon
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 28.0 °F - 26.1 °F 92% 30.29 in - Calm Calm - N/A   Unknown
1:56 AM 28.0 °F - 25.0 °F 88% 30.29 in - Calm Calm - N/A   Unknown
2:56 AM 27.0 °F - 25.0 °F 92% 30.31 in - Calm Calm - N/A   Unknown
3:56 AM 27.0 °F - 24.1 °F 89% 30.31 in - Calm Calm - N/A   Unknown
4:56 AM 26.1 °F - 24.1 °F 92% 30.32 in - Calm Calm - N/A   Unknown
5:56 AM 26.1 °F - 23.0 °F 88% 30.35 in - Calm Calm - N/A   Unknown
6:56 AM 27.0 °F - 24.1 °F 89% 30.35 in - Calm Calm - N/A   Unknown
7:56 AM 34.0 °F - 28.9 °F 82% 30.35 in - Calm Calm - N/A   Unknown
8:56 AM 36.0 °F 33.3 °F 28.9 °F 76% 30.39 in - ESE 3.5 mph - N/A   Unknown
9:56 AM 39.0 °F 36.8 °F 30.0 °F 70% 30.39 in - ESE 3.5 mph - N/A   Unknown
10:56 AM 46.0 °F - 32.0 °F 58% 30.37 in - Calm Calm - N/A   Unknown
11:56 AM 51.1 °F - 28.9 °F 43% 30.35 in - Calm Calm - N/A   Unknown
12:56 PM 52.0 °F - 24.1 °F 34% 30.35 in - Variable 3.5 mph - N/A   Unknown
1:56 PM 55.9 °F - 24.1 °F 29% 30.34 in - Variable 4.6 mph - N/A   Unknown
2:56 PM 55.0 °F - 21.0 °F 27% 30.34 in - Variable 3.5 mph - N/A   Unknown
3:56 PM 52.0 °F - 25.0 °F 35% 30.34 in - Calm Calm - N/A   Unknown
4:56 PM 55.9 °F - 25.0 °F 30% 30.34 in - NW 10.4 mph - N/A   Unknown
5:56 PM 57.9 °F - 25.0 °F 28% 30.32 in - Variable 3.5 mph - N/A   Unknown
6:56 PM 53.1 °F - 27.0 °F 37% 30.34 in - Calm Calm - N/A   Unknown
7:56 PM 52.0 °F - 28.9 °F 41% 30.33 in - Calm Calm - N/A   Unknown
8:56 PM 39.9 °F 37.8 °F 30.0 °F 68% 30.40 in - NW 3.5 mph - N/A   Unknown
9:56 PM 36.0 °F 33.3 °F 28.0 °F 73% 30.42 in - NW 3.5 mph - N/A   Unknown
10:56 PM 33.1 °F 30.0 °F 27.0 °F 78% 30.40 in - NW 3.5 mph - N/A   Unknown
11:56 PM 30.9 °F - 27.0 °F 85% 30.40 in - Calm Calm - N/A   Unknown