Weather History for Afton Municipal Airport, WY

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 37 °F 22 °F 5 °F
Mean Temperature 34 °F 13 °F -8 °F
Min Temperature 30 °F 4 °F -20 °F
Degree Days  
Heating Degree Days (base 65) 72 52 32 1611
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 32 °F 9 °F -26 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 22 mph 2 mph 0 mph
Gust Wind 28 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.55 in 30.12 in 29.55 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 31, 2013 Rise Set
Actual Time 7:54 AM MST 5:00 PM MST
Civil Twilight 7:22 AM MST 5:32 PM MST
Nautical Twilight 6:46 AM MST 6:07 PM MST
Astronomical Twilight 6:12 AM MST 6:41 PM MST
Moon 6:49 AM MST (12/31) 4:41 PM MST (12/31)
Length of Visible Light 10h 10m
Length of Day
9h 05m
Waning Crescent, 1% of the Moon is Illuminated
Dec 31
Waning Crescent
Jan 1
New
Jan 7
First Quarter
Jan 15
Full
Jan 23
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 1.14
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Snow
Actual:
35 | 30 0.00
Average:
33 | 5 0.04
Snow
Actual:
37 | 30 0.00
Average:
33 | 10 0.08
Snow
Actual:
30 | 8 0.00
Average:
35 | 12 0.06
Snow
Actual:
12 | -2 0.00
Average:
33 | 8 0.03
Scattered Clouds
Actual:
8 | -7 0.00
Average:
31 | 9 0.04
Partly Cloudy
Actual:
12 | 0 0.00
Average:
31 | 10 0.02
Snow
Actual:
14 | 0 0.00
Average:
32 | 11 0.06
Snow
Actual:
10 | -13 0.00
Average:
32 | 9 0.04
Snow
Actual:
5 | -20 0.00
Average:
30 | 7 0.01
Snow
Actual:
15 | 0 0.00
Average:
31 | 7 0.01
Snow
Actual:
14 | -7 0.00
Average:
29 | 5 0.02
Clear
Actual:
19 | -4 0.00
Average:
30 | 4 0.02
Snow
Actual:
23 | 0 0.00
Average:
28 | 3 0.04
Snow
Actual:
26 | 19 0.00
Average:
26 | 1 0.03
Fog
Actual:
26 | 8 0.00
Average:
27 | 1 0.05
Clear
Actual:
28 | 1 0.00
Average:
28 | 3 0.04
Clear
Actual:
26 | 3 0.00
Average:
29 | 4 0.01
Clear
Actual:
32 | 12 0.00
Average:
28 | 3 0.03
Snow
Actual:
32 | 5 0.00
Average:
27 | 2 0.03
Snow
Actual:
17 | 0 0.00
Average:
26 | 2 0.04
Snow
Actual:
21 | 14 0.00
Average:
27 | 2 0.04
Snow
Actual:
28 | 17 0.00
Average:
27 | 5 0.04
Snow
Actual:
35 | 26 0.00
Average:
26 | 3 0.04
Snow
Actual:
35 | 1 0.00
Average:
26 | 2 0.04
Snow
Actual:
10 | -9 0.00
Average:
25 | 1 0.04
Clear
Actual:
15 | -7 0.00
Average:
25 | 2 0.06
Snow
Actual:
17 | -4 0.00
Average:
26 | 1 0.03
Snow
Actual:
26 | 3 0.00
Average:
24 | 0 0.05
Scattered Clouds
Actual:
14 | -13 0.00
Average:
24 | 0 0.02
Partly Cloudy
Actual:
24 | 5 0.00
Average:
25 | 0 0.03
Snow
Actual:
33 | 23 0.00
Average:
25 | 1 0.05
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 35 32 30 32 31 28 100 91 81 30.26 30.15 30.01 10 8 2 13 5 20 0.00 Rain , Snow
2 37 34 30 32 31 27 100 84 70 30.00 29.77 29.55 10 9 2 16 9 28 0.00 Rain , Snow
3 30 19 8 25 10 3 86 70 55 29.67 29.63 29.56 10 9 1 16 6 23 0.00 Snow
4 12 6 -2 3 0 -8 85 76 57 29.94 29.78 29.66 10 8 2 9 5 - 0.00 Snow
5 8 0 -7 -2 -9 -15 78 71 57 29.94 29.91 29.86 10 10 5 6 2 - 0.00  
6 12 6 0 1 -3 -8 78 70 48 29.97 29.92 29.90 10 9 4 13 3 - 0.00  
7 14 7 0 10 4 -6 92 82 72 29.89 29.69 29.58 10 6 1 5 1 - 0.00 Snow
8 10 -2 -13 3 -3 -17 92 77 57 30.06 29.89 29.73 10 6 1 14 5 23 0.00 Snow
9 5 -8 -20 1 -12 -26 85 72 61 30.33 30.25 30.05 10 9 3 6 1 - 0.00 Snow
10 15 8 0 10 4 -6 92 80 73 30.31 30.23 30.18 10 10 3 7 1 - 0.00 Snow
11 14 4 -7 5 -3 -11 92 79 67 30.44 30.39 30.29 10 10 2 5 1 - 0.00 Snow
12 19 8 -4 10 1 -8 92 82 68 30.44 30.28 30.10 10 10 4 5 0 - 0.00  
13 23 12 0 18 9 -4 93 84 74 30.34 30.16 30.07 10 9 2 6 1 - 0.00 Snow
14 26 22 19 23 20 18 100 90 80 30.47 30.42 30.34 10 7 1 6 0 - 0.00 Snow
15 26 18 8 23 16 5 100 90 74 30.46 30.41 30.37 10 7 0 6 1 - 0.00 Fog
16 28 14 1 18 9 0 92 83 64 30.47 30.41 30.38 10 10 5 6 0 - 0.00  
17 26 14 3 16 8 0 92 82 59 30.49 30.37 30.18 10 10 7 5 0 - 0.00  
18 32 22 12 21 16 9 93 80 60 30.16 29.94 29.69 10 10 7 7 0 - 0.00  
19 32 18 5 30 22 1 100 88 69 29.83 29.69 29.57 10 6 1 16 5 - 0.00 Snow
20 17 8 0 14 8 -4 93 86 73 29.87 29.81 29.69 10 6 0 7 1 - 0.00 Fog , Snow
21 21 18 14 18 14 12 100 88 80 30.01 29.79 29.65 10 4 1 5 0 - 0.00 Snow
22 28 22 17 25 20 14 93 88 74 30.24 30.10 30.01 10 6 1 8 1 - 0.00 Snow
23 35 30 26 32 28 23 100 90 80 30.32 30.27 30.15 10 8 2 10 3 20 0.00 Rain , Snow
24 35 18 1 32 17 -2 100 80 59 30.47 30.31 30.12 10 9 1 22 7 26 0.00 Snow
25 10 0 -9 5 -4 -15 92 83 72 30.55 30.50 30.46 10 9 0 7 0 - 0.00 Fog , Snow
26 15 4 -7 9 -2 -13 92 83 67 30.48 30.45 30.41 10 9 7 4 0 - 0.00  
27 17 6 -4 10 2 -8 92 84 68 30.45 30.35 30.16 10 8 2 5 0 - 0.00 Snow
28 26 16 3 19 9 0 93 84 68 30.24 30.13 30.06 10 8 5 6 1 - 0.00 Snow
29 14 0 -13 10 -2 -18 92 82 73 30.33 30.26 30.20 10 10 1 7 1 - 0.00  
30 24 14 5 19 13 1 93 83 73 30.34 30.26 30.20 10 10 7 6 1 - 0.00  
31 33 28 23 30 25 19 100 89 70 30.22 30.15 30.07 10 7 1 8 2 - 0.00 Snow