Weather History for Yellowstone, WY

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Sunday, April 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 38 °F 34 °F  
Max Temperature 48 °F 46 °F 57 °F (2004)
Min Temperature 28 °F 23 °F 3 °F (2011)
Degree Days  
Heating Degree Days 27 30  
Month to date heating degree days 1095 923  
Since 1 July heating degree days 10358 10162  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 27 °F    
Average Humidity 67    
Maximum Humidity 92    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.08 in 0.49 in (2010)
Month to date precipitation 2.28 1.85  
Year to date precipitation 6.93 6.58  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 3 mph (WNW)    
Max Wind Speed 16 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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Astronomy

Apr. 28, 2013 Rise Set
Actual Time 6:16 AM MDT 8:22 PM MDT
Civil Twilight 5:44 AM MDT 8:54 PM MDT
Nautical Twilight 5:05 AM MDT 9:34 PM MDT
Astronomical Twilight 4:22 AM MDT 10:17 PM MDT
Moon No Moon Rise 8:31 AM MDT (4/28)
Length of Visible Light 15h 10m
Length of Day
14h 06m
Waning Gibbous, 88% of the Moon is Illuminated
Apr 28
Waning Gibbous
May 2
Last Quarter
May 9
New
May 17
First Quarter
May 24
Full

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 30.9 °F - 25.0 °F 79% 30.03 in - Calm Calm - N/A   Unknown
1:56 AM 35.1 °F - 26.1 °F 70% 30.00 in - Calm Calm - N/A   Unknown
2:56 AM 30.9 °F - 26.1 °F 82% 30.01 in - Calm Calm - N/A   Unknown
3:56 AM 32.0 °F - 26.1 °F 79% 30.01 in - Calm Calm - N/A   Unknown
4:56 AM 30.9 °F - 25.0 °F 79% 30.01 in - Calm Calm - N/A   Unknown
5:56 AM 30.0 °F 26.5 °F 25.0 °F 82% 30.01 in - NW 3.5 mph - N/A   Unknown
6:56 AM 32.0 °F - 26.1 °F 79% 29.99 in - Calm Calm - N/A   Unknown
7:56 AM 35.1 °F - 28.0 °F 76% 30.00 in - Calm Calm - N/A   Unknown
8:56 AM 42.1 °F 39.2 °F 21.0 °F 43% 29.97 in - West 4.6 mph - N/A   Unknown
9:56 AM 39.9 °F 34.5 °F 25.0 °F 55% 30.02 in - WNW 8.1 mph 19.6 mph N/A   Unknown
10:56 AM 37.9 °F 33.5 °F 28.9 °F 70% 30.07 in - Variable 5.8 mph - N/A   Unknown
11:56 AM 39.9 °F 34.5 °F 28.9 °F 65% 30.06 in - WNW 8.1 mph 17.3 mph N/A   Unknown
12:56 PM 42.1 °F 36.6 °F 28.0 °F 58% 30.05 in - WNW 9.2 mph 18.4 mph N/A   Unknown
1:56 PM 41.0 °F 35.2 °F 28.9 °F 62% 30.04 in - West 9.2 mph - N/A   Unknown
2:56 PM 46.0 °F 41.9 °F 25.0 °F 44% 30.00 in - West 8.1 mph 20.7 mph N/A   Unknown
3:56 PM 46.0 °F 42.5 °F 27.0 °F 47% 29.99 in - Variable 6.9 mph - N/A   Unknown
4:56 PM 44.1 °F 40.8 °F 27.0 °F 51% 29.99 in - Variable 5.8 mph - N/A   Unknown
5:56 PM 45.0 °F 42.6 °F 25.0 °F 46% 29.96 in - Variable 4.6 mph - N/A   Unknown
6:56 PM 44.1 °F 42.5 °F 26.1 °F 49% 29.95 in - Variable 3.5 mph - N/A   Unknown
7:56 PM 39.9 °F - 30.0 °F 68% 29.95 in - Calm Calm - N/A   Unknown
8:56 PM 37.0 °F - 30.9 °F 79% 29.94 in - Calm Calm - N/A   Unknown
9:56 PM 35.1 °F - 30.0 °F 82% 29.95 in - Calm Calm - N/A   Unknown
10:56 PM 34.0 °F - 30.0 °F 85% 29.96 in - Calm Calm - N/A   Unknown
11:56 PM 30.0 °F - 28.0 °F 92% 29.95 in - Calm Calm - N/A   Unknown