Weather History for Yellowstone, WY

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Sunday, September 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 55 °F 50 °F  
Max Temperature 66 °F 66 °F 74 °F (2005)
Min Temperature 43 °F 33 °F 22 °F (2008)
Degree Days  
Heating Degree Days 10 15  
Month to date heating degree days 64 114  
Since 1 July heating degree days 488 701  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 69    
Maximum Humidity 100    
Minimum Humidity 37    
Precipitation  
Precipitation 0.13 in 0.05 in 0.19 in (2003)
Month to date precipitation 0.58 0.42  
Year to date precipitation 12.75 14.49  
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 2 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 25 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

Sep. 08, 2013 Rise Set
Actual Time 6:52 AM MDT 7:44 PM MDT
Civil Twilight 6:23 AM MDT 8:14 PM MDT
Nautical Twilight 5:47 AM MDT 8:49 PM MDT
Astronomical Twilight 5:11 AM MDT 9:26 PM MDT
Moon 10:24 AM MDT (9/8) 9:11 PM MDT (9/8)
Length of Visible Light 13h 51m
Length of Day
12h 52m
Waxing Crescent, 11% of the Moon is Illuminated
Sep 8
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 44.1 °F 41.0 °F 89% 30.15 in - Calm Calm - N/A   Unknown
1:56 AM 43.0 °F 39.9 °F 89% 30.10 in - Calm Calm - N/A   Unknown
2:56 AM 45.0 °F 41.0 °F 86% 30.07 in - Calm Calm - N/A   Unknown
3:56 AM 46.0 °F 42.1 °F 86% 30.07 in - Calm Calm - N/A   Unknown
4:56 AM 46.0 °F 43.0 °F 89% 30.08 in - Calm Calm - N/A   Unknown
5:56 AM 46.9 °F 44.1 °F 90% 30.08 in - Calm Calm - N/A   Unknown
6:56 AM 46.0 °F 44.1 °F 93% 30.11 in - Calm Calm - N/A   Unknown
7:56 AM 46.9 °F 44.1 °F 90% 30.12 in - Calm Calm - N/A   Unknown
8:56 AM 51.1 °F 46.9 °F 86% 30.11 in - Calm Calm - N/A   Unknown
9:56 AM 55.9 °F 46.0 °F 69% 30.10 in - Calm Calm - N/A   Unknown
10:56 AM 57.9 °F 45.0 °F 62% 30.09 in - Calm Calm - N/A   Unknown
11:56 AM 60.1 °F 45.0 °F 57% 30.08 in - Variable 3.5 mph - N/A   Unknown
12:56 PM 61.0 °F 45.0 °F 56% 30.04 in - Calm Calm - N/A   Unknown
1:56 PM 63.0 °F 45.0 °F 52% 30.02 in - Variable 4.6 mph - N/A   Unknown
2:56 PM 64.0 °F 42.1 °F 45% 29.99 in - SSW 8.1 mph - N/A   Unknown
3:56 PM 63.0 °F 39.0 °F 41% 29.96 in - Variable 4.6 mph - N/A   Unknown
4:56 PM 64.0 °F 37.0 °F 37% 29.95 in - WSW 8.1 mph - N/A   Unknown
5:56 PM 55.0 °F 39.9 °F 57% 29.99 in - NW 10.4 mph 20.7 mph N/A   Unknown
6:56 PM 48.0 °F 43.0 °F 83% 30.06 in - NW 6.9 mph 23.0 mph N/A   Unknown
7:56 PM 48.0 °F 46.0 °F 93% 30.06 in - Calm Calm - 0.03 in   Unknown
8:56 PM 48.9 °F 46.0 °F 90% 30.02 in - Calm Calm - 0.01 in   Unknown
9:56 PM 46.0 °F 45.0 °F 96% 30.00 in - Calm Calm - N/A   Unknown
10:56 PM 43.0 °F 43.0 °F 100% 30.00 in - Calm Calm - N/A   Unknown
11:56 PM 46.0 °F 45.0 °F 96% 30.00 in - Calm Calm - N/A   Unknown