Weather History for Yellowstone, WY

Wednesday, May 13, 2009 — View Current Weather Conditions
Wednesday, May 13, 2009
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 26 °F 39 °F  
Max Temperature 42 °F 51 °F 70 °F (2013)
Min Temperature 14 °F 28 °F 13 °F (2009)
Degree Days
Heating Degree Days 40 26  
Month to date heating degree days 358  
Since 1 July heating degree days 10609  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture
Dew Point 11 °F    
Average Humidity 51    
Maximum Humidity 80    
Minimum Humidity 33    
Precipitation
Precipitation 0.00 in 0.07 in 0.06 in (1999)
Month to date precipitation 0.91  
Year to date precipitation 7.72  
Sea Level Pressure
Sea Level Pressure 30.11 in    
Wind
Wind Speed 5 mph (West)    
Max Wind Speed 9 mph    
Max Gust Speed 18 mph    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
May. 13, 2009 Rise Set
Actual Time 5:55 AM MDT 8:40 PM MDT
Civil Twilight 5:22 AM MDT 9:14 PM MDT
Nautical Twilight 4:39 AM MDT 9:57 PM MDT
Astronomical Twilight 3:50 AM MDT 10:46 PM MDT
Moon 12:25 AM MDT (5/13) 9:04 AM MDT (5/13)
Length Of Visible Light 15h 52m
Length of Day
14h 44m
Waning Gibbous, 81% of the Moon is Illuminated
May 13
Waning Gibbous
May 17
Last Quarter
May 24
New
May 30
First Quarter
Jun 7
Full
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Hourly Weather History & Observations
Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
2:56 AM 19.0 °F 9.0 °F 9.0 °F 65% 29.94 in - West 8.1 mph - N/A   Unknown
3:56 AM 15.1 °F 9.4 °F 10.0 °F 80% 30.00 in - West 3.5 mph - N/A   Unknown
4:56 AM 17.1 °F 6.6 °F 8.1 °F 68% 29.99 in - West 8.1 mph - N/A   Unknown
5:56 AM 14.0 °F - 7.0 °F 74% 30.07 in - Calm Calm - N/A   Unknown
6:56 AM 18.0 °F - 9.0 °F 68% 30.05 in - Calm Calm - N/A   Unknown
7:56 AM 21.9 °F 12.5 °F 10.0 °F 60% 30.08 in - West 8.1 mph - N/A   Unknown
8:56 AM 25.0 °F 18.1 °F 10.9 °F 55% 30.06 in - Variable 5.8 mph - N/A   Unknown
9:56 AM 27.0 °F 23.0 °F 10.0 °F 49% 30.07 in - Variable 3.5 mph - N/A   Unknown
10:56 AM 30.0 °F 22.4 °F 10.0 °F 43% 30.09 in - WSW 8.1 mph 18.4 mph N/A   Unknown
11:56 AM 32.0 °F 28.7 °F 10.9 °F 42% 30.16 in - Variable 3.5 mph - N/A   Unknown
12:56 PM 35.1 °F 27.9 °F 10.9 °F 37% 30.15 in - West 9.2 mph 16.1 mph N/A   Unknown
1:56 PM 35.1 °F 27.9 °F 10.9 °F 37% 30.17 in - West 9.2 mph - N/A   Unknown
2:56 PM 37.0 °F 31.6 °F 10.0 °F 33% 30.18 in - Variable 6.9 mph - N/A   Unknown
3:56 PM 37.0 °F 33.3 °F 12.9 °F 37% 30.20 in - Variable 4.6 mph - N/A   Unknown
4:56 PM 37.0 °F 34.5 °F 12.0 °F 36% 30.20 in - Variable 3.5 mph - N/A   Unknown
5:56 PM 37.9 °F 34.4 °F 12.0 °F 35% 30.21 in - Variable 4.6 mph - N/A   Unknown
6:56 PM 36.0 °F - 12.0 °F 37% 30.18 in - Calm Calm - N/A   Unknown
7:56 PM 35.1 °F - 10.0 °F 35% 30.16 in - Calm Calm - N/A   Unknown
8:56 PM 30.0 °F - 16.0 °F 56% 30.16 in - Calm Calm - N/A   Unknown
9:56 PM 28.0 °F - 16.0 °F 61% 30.15 in - Calm Calm - N/A   Unknown
10:56 PM 28.9 °F - 17.1 °F 61% 30.12 in - Calm Calm - N/A   Unknown
11:56 PM 27.0 °F 23.0 °F 16.0 °F 63% 30.11 in - WNW 3.5 mph - N/A   Unknown
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