Weather History for Casper, WY

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 37 °F 17 °F
Mean Temperature 49 °F 27 °F 5 °F
Min Temperature 42 °F 16 °F -11 °F
Degree Days  
Heating Degree Days (base 65) 60 38 16 1189
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 34 °F 10 °F -15 °F
Precipitation  
Precipitation 0.12 in 0.01 in 0.00 in 0.39 in
Snowdepth 4.0 in 0.8 in 0.0 in -
Wind  
Wind 51 mph 15 mph 0 mph
Gust Wind 62 mph 30 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 29.94 in 29.40 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 19, 2012 Rise Set
Actual Time 7:32 AM MST 4:33 PM MST
Civil Twilight 7:00 AM MST 5:06 PM MST
Nautical Twilight 6:24 AM MST 5:42 PM MST
Astronomical Twilight 5:50 AM MST 6:16 PM MST
Moon 11:33 AM MST (12/19) No Moon Set
Length of Visible Light 10h 05m
Length of Day
9h 01m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 19
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Weather History Calendar

Precipitation Actual month total 0.39 Normal Month Total: 0.49
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
56 | 42 0.00
Average:
37 | 16 0.02
Scattered Clouds
Actual:
56 | 41 0.00
Average:
36 | 15 0.01
Scattered Clouds
Actual:
47 | 29 0.02
Average:
36 | 15 0.02
Clear
Actual:
47 | 22 0.00
Average:
35 | 15 0.02
Scattered Clouds
Actual:
57 | 38 0.00
Average:
35 | 15 0.02
Partly Cloudy
Actual:
48 | 22 0.00
Average:
35 | 14 0.01
Partly Cloudy
Actual:
40 | 18 T
Average:
35 | 14 0.02
Snow
Actual:
39 | 11 0.05
Average:
34 | 14 0.01
Snow
Actual:
19 | -6 T
Average:
34 | 14 0.02
Partly Cloudy
Actual:
29 | 9 0.00
Average:
34 | 14 0.02
Scattered Clouds
Actual:
38 | 13 0.00
Average:
34 | 13 0.01
Clear
Actual:
47 | 23 0.00
Average:
34 | 13 0.02
Scattered Clouds
Actual:
47 | 24 0.00
Average:
34 | 13 0.01
Scattered Clouds
Actual:
43 | 21 0.00
Average:
34 | 13 0.02
Snow
Actual:
35 | 19 0.01
Average:
34 | 13 0.01
Scattered Clouds
Actual:
37 | 15 0.00
Average:
33 | 13 0.02
Clear
Actual:
48 | 22 T
Average:
33 | 13 0.01
Partly Cloudy
Actual:
31 | 12 0.00
Average:
33 | 13 0.02
Scattered Clouds
Actual:
27 | 5 0.00
Average:
33 | 13 0.01
Clear
Actual:
35 | 14 0.00
Average:
34 | 13 0.02
Clear
Actual:
43 | 25 0.00
Average:
34 | 13 0.01
Clear
Actual:
45 | 24 0.00
Average:
34 | 13 0.02
Scattered Clouds
Actual:
42 | 23 0.00
Average:
34 | 13 0.02
Snow
Actual:
37 | 5 0.07
Average:
34 | 13 0.01
Snow
Actual:
17 | 1 0.01
Average:
34 | 13 0.02
Snow
Actual:
29 | 9 0.12
Average:
34 | 13 0.01
Snow
Actual:
19 | 9 0.11
Average:
34 | 13 0.02
Scattered Clouds
Actual:
22 | 3 0.00
Average:
34 | 13 0.01
Clear
Actual:
27 | 10 0.00
Average:
34 | 13 0.02
Clear
Actual:
27 | -7 0.00
Average:
34 | 13 0.02
Scattered Clouds
Actual:
20 | -11 0.00
Average:
35 | 14 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

2012 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 56 49 42 31 27 24 58 45 32 29.89 29.83 29.74 10 10 10 33 22 40 0.00  
2 56 49 41 32 26 23 53 42 30 29.85 29.63 29.46 10 10 7 51 31 62 0.00  
3 47 38 29 34 18 11 79 52 25 30.22 30.01 29.66 10 10 10 33 16 41 0.02  
4 47 35 22 30 19 11 68 47 26 30.30 30.18 30.03 10 10 10 38 21 48 0.00  
5 57 48 38 32 28 22 70 50 30 29.99 29.87 29.76 10 10 10 35 21 44 0.00  
6 48 35 22 29 19 12 75 53 31 30.02 29.90 29.79 10 10 10 18 8 23 0.00  
7 40 29 18 20 14 4 91 59 27 29.98 29.90 29.80 10 10 9 24 10 31 T  
8 39 25 11 21 15 4 84 61 38 30.19 29.80 29.62 10 8 0 28 12 33 0.05 Fog , Snow
9 19 7 -6 7 1 -9 88 71 54 30.46 30.31 30.04 10 10 4 18 8 48 T Snow
10 29 19 9 16 9 3 92 69 46 30.12 30.02 29.93 10 10 10 28 14 35 0.00  
11 38 26 13 21 14 8 80 60 40 30.05 29.87 29.70 10 10 10 31 18 41 0.00  
12 47 35 23 18 15 14 63 45 26 29.92 29.72 29.63 10 10 10 38 24 48 0.00  
13 47 36 24 16 14 10 68 47 26 29.94 29.89 29.80 10 10 10 28 12 35 0.00  
14 43 32 21 15 13 11 68 50 32 29.80 29.69 29.56 10 10 10 13 5 14 0.00  
15 35 27 19 27 23 14 88 70 51 29.85 29.73 29.65 10 8 2 17 4 21 0.01 Snow
16 37 26 15 18 10 3 81 53 25 29.83 29.73 29.61 10 10 10 26 15 33 0.00  
17 48 35 22 25 16 1 65 50 34 29.74 29.55 29.40 10 10 10 47 23 59 T  
18 31 22 12 6 -2 -8 53 36 19 29.87 29.76 29.60 10 10 10 29 12 36 0.00  
19 27 16 5 1 -6 -13 58 38 17 30.28 30.09 29.86 10 10 10 23 8 28 0.00  
20 35 25 14 -3 -5 -9 51 35 19 30.36 30.29 30.22 10 10 10 39 27 52 0.00  
21 43 34 25 0 -3 -5 29 21 13 30.22 30.13 30.03 10 10 10 38 22 47 0.00  
22 45 35 24 2 0 -1 35 26 16 30.12 29.98 29.79 10 10 10 33 18 44 0.00  
23 42 33 23 16 9 4 60 40 20 30.01 29.92 29.81 10 10 10 32 18 41 0.00  
24 37 21 5 22 12 0 84 64 43 30.20 29.90 29.73 10 6 1 25 14 31 0.07 Snow
25 17 9 1 6 1 -4 87 74 61 30.39 30.22 30.05 10 6 1 21 10 25 0.01 Snow
26 29 19 9 21 15 4 88 72 55 30.08 29.74 29.58 10 5 0 24 10 29 0.12 Fog , Snow
27 19 14 9 13 10 6 92 86 80 30.07 29.80 29.63 10 3 1 10 4 13 0.11 Snow
28 22 13 3 14 6 -2 88 75 61 30.25 30.16 30.08 10 10 10 20 10 23 0.00  
29 27 19 10 11 7 3 67 56 45 30.29 30.15 29.91 10 10 10 30 19 38 0.00  
30 27 10 -7 9 2 -11 87 66 45 30.23 30.12 30.01 10 10 10 28 10 24 0.00  
31 20 5 -11 8 -2 -15 83 70 56 30.29 30.24 30.17 10 10 10 14 8 17 0.00