Weather History for Yellowstone, WY

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Friday, September 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 51 °F 48 °F  
Max Temperature 63 °F 63 °F 72 °F (2000)
Min Temperature 38 °F 32 °F 24 °F (2003)
Degree Days  
Heating Degree Days 14 17  
Month to date heating degree days 138 197  
Since 1 July heating degree days 562 784  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 43 °F    
Average Humidity 73    
Maximum Humidity 100    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in 0.05 in 0.20 in (2001)
Month to date precipitation 1.14 0.65  
Year to date precipitation 13.31 14.72  
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 1 mph (West)    
Max Wind Speed 9 mph    
Max Gust Speed 16 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

Sep. 13, 2013 Rise Set
Actual Time 6:58 AM MDT 7:35 PM MDT
Civil Twilight 6:29 AM MDT 8:04 PM MDT
Nautical Twilight 5:54 AM MDT 8:39 PM MDT
Astronomical Twilight 5:18 AM MDT 9:15 PM MDT
Moon 3:38 PM MDT (9/13) 12:20 AM MDT (9/13)
Length of Visible Light 13h 35m
Length of Day
12h 36m
Waxing Gibbous, 62% of the Moon is Illuminated
Sep 13
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 39.9 °F 39.0 °F 97% 30.19 in - Calm Calm - N/A   Unknown
1:56 AM 39.0 °F 37.9 °F 96% 30.18 in - Calm Calm - N/A   Unknown
2:56 AM 37.9 °F 37.9 °F 100% 30.18 in - Calm Calm - N/A   Unknown
3:56 AM 37.9 °F 37.0 °F 97% 30.17 in - Calm Calm - N/A   Unknown
4:56 AM 37.9 °F 37.0 °F 97% 30.16 in - Calm Calm - N/A   Unknown
5:56 AM 37.9 °F 37.9 °F 100% 30.14 in - Calm Calm - N/A   Unknown
6:56 AM 39.0 °F 37.9 °F 96% 30.12 in - Calm Calm - N/A   Unknown
7:56 AM 41.0 °F 39.9 °F 96% 30.14 in - Calm Calm - N/A   Unknown
8:56 AM 46.9 °F 46.0 °F 97% 30.12 in - Calm Calm - N/A   Unknown
9:56 AM 50.0 °F 48.0 °F 93% 30.11 in - Calm Calm - N/A   Unknown
10:56 AM 51.1 °F 48.0 °F 89% 30.09 in - West 3.5 mph - N/A   Unknown
11:56 AM 53.1 °F 48.0 °F 83% 30.08 in - Variable 3.5 mph - N/A   Unknown
12:56 PM 55.9 °F 48.9 °F 77% 30.05 in - Calm Calm - N/A   Unknown
1:56 PM 59.0 °F 45.0 °F 60% 30.01 in - ESE 4.6 mph - N/A   Unknown
2:56 PM 61.0 °F 45.0 °F 56% 29.98 in - Variable 4.6 mph - N/A   Unknown
3:56 PM 57.9 °F 48.0 °F 70% 29.99 in - Calm Calm - N/A   Unknown
4:56 PM 61.0 °F 45.0 °F 56% 29.94 in - Calm Calm - N/A   Unknown
5:56 PM 62.1 °F 41.0 °F 46% 29.93 in - Calm Calm - N/A   Unknown
6:56 PM 57.9 °F 48.0 °F 70% 29.94 in - Calm Calm - N/A   Unknown
7:56 PM 53.1 °F 46.0 °F 77% 29.95 in - WNW 4.6 mph - N/A   Unknown
8:56 PM 55.9 °F 42.1 °F 60% 29.92 in - Variable 5.8 mph - N/A   Unknown
9:56 PM 52.0 °F 44.1 °F 74% 29.94 in - WNW 3.5 mph - N/A   Unknown
10:56 PM 50.0 °F 45.0 °F 83% 29.95 in - Calm Calm - N/A   Unknown
11:56 PM 50.0 °F 46.0 °F 86% 29.95 in - Calm Calm - N/A   Unknown