Weather History for Yellowstone, WY

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Monday, August 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 61 °F 55 °F  
Max Temperature 81 °F 72 °F 81 °F (2013)
Min Temperature 40 °F 38 °F 29 °F (2002)
Degree Days  
Heating Degree Days 4 10  
Month to date heating degree days 147 166  
Since 1 June heating degree days 778 942  
Since 1 July heating degree days 345 449  
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 10 (Base 50)    
Moisture  
Dew Point 33 °F    
Average Humidity 45    
Maximum Humidity 79    
Minimum Humidity 10    
Precipitation  
Precipitation 0.00 in 0.04 in 0.28 in (2005)
Month to date precipitation 0.36 0.88  
Year to date precipitation 11.71 13.43  
Sea Level Pressure  
Sea Level Pressure 30.08 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

Aug. 19, 2013 Rise Set
Actual Time 6:29 AM MDT 8:20 PM MDT
Civil Twilight 5:58 AM MDT 8:51 PM MDT
Nautical Twilight 5:20 AM MDT 9:29 PM MDT
Astronomical Twilight 4:38 AM MDT 10:10 PM MDT
Moon 7:13 PM MDT (8/19) 4:51 AM MDT (8/19)
Length of Visible Light 14h 53m
Length of Day
13h 50m
Waxing Gibbous, 97% of the Moon is Illuminated
Aug 19
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
2:56 AM 46.0 °F 35.1 °F 66% 30.10 in - Calm Calm - N/A   Unknown
3:56 AM 45.0 °F 34.0 °F 65% 30.09 in - Calm Calm - N/A   Unknown
4:56 AM 42.1 °F 34.0 °F 73% 30.10 in - Calm Calm - N/A   Unknown
5:56 AM 42.1 °F 34.0 °F 73% 30.11 in - Calm Calm - N/A   Unknown
6:56 AM 41.0 °F 35.1 °F 79% 30.13 in - Calm Calm - N/A   Unknown
7:56 AM 46.9 °F 39.0 °F 74% 30.14 in - Calm Calm - N/A   Unknown
8:56 AM 54.0 °F 45.0 °F 72% 30.14 in - ESE 3.5 mph - N/A   Unknown
9:56 AM 59.0 °F 46.0 °F 62% 30.14 in - Calm Calm - N/A   Unknown
10:56 AM 63.0 °F 45.0 °F 52% 30.14 in - Calm Calm - N/A   Unknown
11:56 AM 70.0 °F 44.1 °F 39% 30.11 in - Variable 3.5 mph - N/A   Unknown
12:56 PM 75.9 °F 30.0 °F 19% 30.08 in - WSW 6.9 mph - N/A   Unknown
1:56 PM 77.0 °F 21.9 °F 13% 30.07 in - NW 8.1 mph - N/A   Unknown
2:56 PM 80.1 °F 21.9 °F 12% 30.06 in - WSW 8.1 mph - N/A   Unknown
3:56 PM 80.1 °F 19.9 °F 11% 30.04 in - West 5.8 mph 17.3 mph N/A   Unknown
4:56 PM 79.0 °F 24.1 °F 13% 30.04 in - Variable 5.8 mph - N/A   Unknown
5:56 PM 77.0 °F 26.1 °F 15% 30.04 in - Variable 5.8 mph - N/A   Unknown
6:56 PM 75.0 °F 28.0 °F 18% 30.06 in - West 6.9 mph - N/A   Unknown
7:56 PM 71.1 °F 28.9 °F 21% 30.06 in - Variable 4.6 mph - N/A   Unknown
8:56 PM 69.1 °F 30.0 °F 23% 30.04 in - West 6.9 mph - N/A   Unknown
9:56 PM 66.0 °F 32.0 °F 28% 30.03 in - WNW 3.5 mph - N/A   Unknown
10:56 PM 59.0 °F 35.1 °F 41% 30.06 in - Calm Calm - N/A   Unknown
11:56 PM 54.0 °F 36.0 °F 51% 30.05 in - Calm Calm - N/A   Unknown