Weather History for Riverton, WY

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 31 °F 0 °F
Mean Temperature 44 °F 20 °F -7 °F
Min Temperature 28 °F 8 °F -15 °F
Degree Days  
Heating Degree Days (base 65) 72 45 21 1406
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 29 °F 8 °F -21 °F
Precipitation  
Precipitation 0.11 in 0.01 in 0.00 in 0.28 in
Snowdepth 3.0 in 1.0 in 0.0 in -
Wind  
Wind 41 mph 8 mph 0 mph
Gust Wind 51 mph 32 mph 22 mph
Sea Level Pressure  
Sea Level Pressure 30.51 in 30.13 in 29.43 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 08, 2013 Rise Set
Actual Time 7:32 AM MST 4:38 PM MST
Civil Twilight 7:00 AM MST 5:11 PM MST
Nautical Twilight 6:25 AM MST 5:46 PM MST
Astronomical Twilight 5:50 AM MST 6:21 PM MST
Moon 11:47 AM MST (12/8) 11:40 PM MST (12/8)
Length of Visible Light 10h 10m
Length of Day
9h 05m
Waxing Crescent, 40% of the Moon is Illuminated
Dec 8
Waxing Crescent
Dec 9
First Quarter
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New

Weather History Calendar

Precipitation Actual month total 0.28 Normal Month Total: 0.32
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
48 | 28 0.00
Average:
34 | 11 0.01
Clear
Actual:
54 | 28 0.00
Average:
34 | 11 0.01
Snow
Actual:
31 | 4 0.08
Average:
34 | 10 0.01
Partly Cloudy
Actual:
7 | -5 0.00
Average:
33 | 10 0.01
Scattered Clouds
Actual:
6 | -14 0.00
Average:
33 | 10 0.01
Snow
Actual:
5 | -13 T
Average:
33 | 9 0.01
Snow
Actual:
0 | -15 T
Average:
33 | 9 0.01
Partly Cloudy
Actual:
5 | -12 T
Average:
32 | 9 0.01
Clear
Actual:
22 | -6 0.00
Average:
32 | 8 0.01
Scattered Clouds
Actual:
33 | 5 0.00
Average:
32 | 8 0.00
Clear
Actual:
23 | 0 0.00
Average:
32 | 8 0.01
Clear
Actual:
31 | 7 0.00
Average:
32 | 8 0.01
Scattered Clouds
Actual:
33 | 11 0.00
Average:
32 | 8 0.01
Clear
Actual:
35 | 9 0.00
Average:
32 | 7 0.00
Rain
Actual:
53 | 19 0.00
Average:
31 | 7 0.01
Rain
Actual:
55 | 28 0.00
Average:
31 | 7 0.01
Clear
Actual:
58 | 27 0.00
Average:
31 | 7 0.01
Clear
Actual:
59 | 28 0.00
Average:
31 | 7 0.01
Snow
Actual:
32 | 6 0.11
Average:
31 | 7 0.01
Snow
Actual:
15 | -1 T
Average:
31 | 7 0.01
Partly Cloudy
Actual:
25 | 5 0.00
Average:
31 | 7 0.01
Partly Cloudy
Actual:
24 | 3 0.00
Average:
31 | 7 0.02
Clear
Actual:
31 | 3 0.00
Average:
31 | 7 0.01
Snow
Actual:
38 | 18 0.01
Average:
31 | 7 0.01
Clear
Actual:
30 | 8 0.00
Average:
31 | 7 0.01
Clear
Actual:
37 | 13 0.00
Average:
31 | 7 0.01
Clear
Actual:
38 | 15 0.00
Average:
31 | 7 0.02
Snow
Actual:
31 | 13 0.08
Average:
31 | 7 0.01
Fog
Actual:
20 | 10 0.00
Average:
31 | 7 0.01
Clear
Actual:
31 | 8 0.00
Average:
31 | 7 0.02
Snow
Actual:
45 | 23 T
Average:
31 | 7 0.01
 

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 48 38 28 26 24 21 69 56 42 30.17 29.97 29.79 10 10 10 17 7 19 0.00  
2 54 41 28 25 23 19 75 51 26 29.76 29.56 29.43 10 10 10 39 14 46 0.00  
3 31 18 4 21 8 -6 84 75 66 30.07 29.74 29.48 10 5 0 32 18 38 0.08 Snow
4 7 1 -5 -5 -8 -13 75 65 55 30.31 30.15 29.88 10 10 10 26 12 30 0.00  
5 6 -4 -14 -6 -11 -18 79 71 62 30.37 30.29 30.01 10 10 10 9 2 9 0.00  
6 5 -4 -13 -5 -12 -18 83 73 62 30.45 30.25 30.00 10 9 3 9 4 10 T Snow
7 0 -7 -15 -7 -13 -21 82 73 64 30.40 30.12 29.74 10 8 2 9 2 10 T Snow
8 5 -3 -12 -2 -9 -17 79 74 68 30.33 30.14 29.73 10 10 5 8 4 10 T  
9 22 8 -6 4 -4 -13 79 62 45 30.32 30.25 30.02 10 10 10 24 9 29 0.00  
10 33 19 5 11 5 -1 66 53 39 30.37 30.18 29.97 10 10 10 32 13 39 0.00  
11 23 12 0 8 3 -4 87 70 52 30.50 30.44 30.34 10 10 10 12 3 13 0.00  
12 31 19 7 14 8 1 73 61 49 30.46 30.27 29.98 10 10 10 8 3 9 0.00  
13 33 22 11 16 11 7 88 71 53 30.36 30.18 30.06 10 10 10 14 4 18 0.00  
14 35 22 9 18 12 5 83 65 47 30.44 30.35 30.23 10 10 10 25 7 32 0.00  
15 53 36 19 22 17 14 68 46 24 30.26 30.16 30.06 10 10 10 41 17 51 0.00 Rain
16 55 42 28 17 11 7 40 27 14 30.22 30.14 30.07 10 10 10 41 21 48 0.00 Rain
17 58 43 27 19 15 11 50 33 15 30.32 30.17 29.98 10 10 10 22 9 30 0.00  
18 59 44 28 19 16 8 59 37 15 29.94 29.79 29.60 10 10 10 18 7 21 0.00  
19 32 19 6 21 12 2 84 68 51 30.06 29.82 29.55 10 4 1 20 8 24 0.11 Snow
20 15 7 -1 7 2 -5 91 82 73 30.05 29.81 29.69 10 4 0 12 3 12 T Fog , Snow
21 25 15 5 13 7 3 83 72 60 30.10 29.89 29.68 10 10 10 13 5 13 0.00  
22 24 14 3 12 8 1 91 77 62 30.36 30.20 30.08 10 10 10 13 5 14 0.00  
23 31 17 3 19 11 2 92 77 62 30.39 30.29 30.10 10 10 10 16 5 19 0.00  
24 38 28 18 27 18 9 100 70 40 30.38 30.19 30.01 10 7 0 35 12 43 0.01 Fog , Snow
25 30 19 8 14 8 3 80 66 52 30.51 30.44 30.35 10 10 10 14 5 16 0.00  
26 37 25 13 19 13 5 73 60 47 30.43 30.38 30.32 10 10 10 14 3 15 0.00  
27 38 27 15 21 17 13 77 65 52 30.42 30.29 30.09 10 10 10 14 3 18 0.00  
28 31 22 13 26 20 9 92 84 75 30.41 30.16 30.04 10 5 0 20 6 25 0.08 Fog , Snow
29 20 15 10 15 11 7 92 86 80 30.40 30.19 29.95 10 5 0 13 3 14 0.00 Fog
30 31 20 8 19 13 7 92 73 53 30.39 30.26 30.12 10 10 10 17 7 24 0.00  
31 45 34 23 29 23 13 68 57 45 30.10 30.01 29.94 10 10 4 33 12 40 T Snow