Yellowstone National Park, WY

4:56 PM MDT on September 26, 2016 (GMT -0600)
Yellowstone

Weather History for KP60 - September, 2013

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Week of September 22, 2013 through September 28, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 46 °F 35 °F
Mean Temperature 49 °F 38 °F 31 °F
Min Temperature 38 °F 30 °F 25 °F
Degree Days  
Heating Degree Days (base 65) 34 27 16 190
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 39 °F 30 °F 23 °F
Precipitation  
Precipitation 0.39 in 0.09 in 0.00 in 0.60 in
Snowdepth - - - -
Wind  
Wind 18 mph 3 mph 0 mph
Gust Wind 35 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.19 in 29.90 in 29.59 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Sep. 28, 2013 Rise Set
Actual Time 7:16 AM MDT 7:07 PM MDT
Civil Twilight 6:47 AM MDT 7:36 PM MDT
Nautical Twilight 6:13 AM MDT 8:10 PM MDT
Astronomical Twilight 5:38 AM MDT 8:44 PM MDT
Moon 12:54 AM MDT (9/28) 3:39 PM MDT (9/28)
Length of Visible Light 12h 48m
Length of Day
11h 50m
Waning Crescent, 35% of the Moon is Illuminated
Sep 28
Waning Crescent
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
22 59 49 38 39 34 23 89 58 27 29.74 29.67 29.59 - - - 14 4 22 0.00  
23 51 41 30 34 31 27 92 66 39 30.10 29.95 29.75 - - - 13 4 24 0.00  
24 58 43 28 38 31 26 100 65 30 30.11 29.96 29.76 - - - 18 3 35 0.02  
25 42 36 29 37 33 27 100 91 82 29.78 29.70 29.62 - - - 9 3 17 0.39  
26 37 31 25 30 27 24 92 78 64 29.92 29.86 29.78 - - - 7 2 15 0.12  
27 35 31 27 26 25 23 92 79 66 30.14 30.00 29.88 - - - 10 3 20 0.07  
28 38 34 30 32 29 26 100 88 76 30.19 30.15 30.08 - - - 13 4 23 0.00