Yellowstone National Park, WY

11:07 PM MDT on September 24, 2016 (GMT -0600)
Yellowstone

Weather History for KP60 - September, 2013

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 77 °F 58 °F 35 °F
Mean Temperature 61 °F 47 °F 31 °F
Min Temperature 48 °F 36 °F 25 °F
Degree Days  
Heating Degree Days (base 65) 34 18 4 527
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 2 0 53
Dew Point  
Dew Point 54 °F 39 °F 21 °F
Precipitation  
Precipitation 0.69 in 0.13 in 0.00 in 3.85 in
Snowdepth - - - -
Wind  
Wind 18 mph 2 mph 0 mph
Gust Wind 35 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.34 in 30.04 in 29.59 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

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

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  
1 76 56 35 45 37 31 92 60 27 30.21 30.14 30.08 - - - 7 2 10 0.00  
2 60 50 40 54 46 33 100 83 65 30.19 30.12 30.08 - - - 6 0 14 0.33  
3 70 57 44 53 50 44 100 77 53 30.25 30.18 30.12 - - - 13 1 28 0.08  
4 73 61 48 53 50 47 100 72 44 30.28 30.22 30.17 - - - 7 1 14 0.00  
5 75 59 43 52 47 42 100 68 35 30.23 30.18 30.10 - - - 9 1 20 0.00  
6 77 61 44 52 47 42 96 65 33 30.21 30.16 30.12 - - - 16 2 26 0.03  
7 71 57 42 51 44 35 100 68 36 30.24 30.17 30.10 - - - 16 2 22 0.01  
8 66 55 43 47 43 37 100 69 37 30.15 30.05 29.95 - - - 15 2 25 0.13  
9 61 49 37 45 40 33 100 69 37 30.14 30.04 29.96 - - - 10 3 15 0.19  
10 67 50 33 43 38 32 100 65 29 30.20 30.16 30.12 - - - 7 1 12 0.00  
11 71 53 35 45 37 34 92 60 27 30.34 30.25 30.20 - - - 8 2 16 0.00  
12 56 48 39 50 43 36 100 86 71 30.32 30.26 30.20 - - - 6 0 10 0.37  
13 63 51 38 49 43 37 100 73 46 30.19 30.05 29.92 - - - 9 1 16 0.00  
14 53 49 45 48 46 44 100 89 77 30.12 30.02 29.93 - - - 9 1 15 0.14  
15 60 52 43 51 46 43 100 80 60 30.16 30.13 30.10 - - - 6 1 12 0.04  
16 69 54 39 49 45 39 100 71 42 30.12 30.04 29.95 - - - 9 1 18 0.00  
17 59 51 42 48 44 41 100 79 57 29.99 29.87 29.71 - - - 5 1 - 0.45  
18 43 38 32 41 36 32 100 91 82 30.15 29.94 29.77 - - - 15 3 25 0.53  
19 47 38 29 38 32 28 100 81 62 30.30 30.25 30.15 - - - 6 1 10 0.00  
20 62 44 26 38 30 21 100 61 22 30.28 30.15 30.02 - - - 7 2 13 0.00  
21 65 48 30 40 32 27 100 63 25 30.01 29.87 29.69 - - - 10 2 21 0.00  
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  
29 42 36 30 37 33 29 100 80 60 30.11 29.96 29.88 - - - 14 5 28 0.26  
30 46 41 35 39 37 32 92 84 76 29.99 29.83 29.74 - - - 16 7 30 0.69