, MT

(GMT )
West Yellowstone

Weather History for KWYS - May, 2013

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Week of May 12, 2013 through May 18, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 69 °F 59 °F 48 °F
Mean Temperature 60 °F 48 °F 44 °F
Min Temperature 50 °F 37 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 20 16 6 82
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 2 0 10
Dew Point  
Dew Point 64 °F 45 °F 23 °F
Precipitation  
Precipitation 0.48 in 0.12 in 0.00 in 0.82 in
Snowdepth - - - -
Wind  
Wind 26 mph 6 mph 0 mph
Gust Wind 40 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.11 in 29.99 in 29.88 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

May. 16, 2013 Rise Set
Actual Time 5:54 AM MDT 8:47 PM MDT
Civil Twilight 5:20 AM MDT 9:21 PM MDT
Nautical Twilight 4:37 AM MDT 10:05 PM MDT
Astronomical Twilight 3:46 AM MDT 10:56 PM MDT
Moon 11:36 AM MDT (5/16) 1:06 AM MDT (5/16)
Length of Visible Light 16h 00m
Length of Day
14h 52m
Waxing Crescent, 36% of the Moon is Illuminated
May 16
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
12 - - - - - - - - - - - - - - - - - - 0.00  
13 - - - - - - - - - - - - - - - - - - 0.00  
14 69 60 50 64 58 45 88 86 82 30.10 30.02 29.96 10 10 0 26 15 40 0.06  
15 68 47 26 63 45 23 88 85 80 30.11 30.03 29.92 10 10 9 21 4 36 0.01 Rain
16 60 46 33 55 43 30 88 85 81 29.98 29.94 29.88 10 10 3 23 4 38 0.10 Rain
17 48 44 41 45 40 37 87 84 81 29.99 29.94 29.93 10 8 2 16 5 23 0.17 Rain
18 50 44 37 46 38 34 87 85 81 30.06 30.00 29.95 10 8 2 18 2 24 0.48 Rain