Weather History for Gillette, WY

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 56 °F 31 °F -7 °F
Mean Temperature 41 °F 20 °F -15 °F
Min Temperature 34 °F 8 °F -24 °F
Degree Days  
Heating Degree Days (base 65) 80 45 24 1400
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 33 °F 12 °F -29 °F
Precipitation  
Precipitation 0.12 in 0.02 in 0.00 in 0.67 in
Snowdepth - - - -
Wind  
Wind 36 mph 11 mph 0 mph
Gust Wind 83 mph 28 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.71 in 30.08 in 29.47 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 17, 2013 Rise Set
Actual Time 7:32 AM MST 4:24 PM MST
Civil Twilight 6:59 AM MST 4:57 PM MST
Nautical Twilight 6:22 AM MST 5:34 PM MST
Astronomical Twilight 5:47 AM MST 6:09 PM MST
Moon 5:08 PM MST (12/17) 7:28 AM MST (12/17)
Length of Visible Light 9h 58m
Length of Day
8h 51m
Full, 100% of the Moon is Illuminated
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

Weather History Calendar

Precipitation Actual month total 0.67 Normal Month Total: 0.40
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Partly Cloudy
Actual:
50 | 31 0.00
Average:
37 | 15 0.02
Snow
Actual:
46 | 23 0.11
Average:
36 | 15 0.02
Snow
Actual:
32 | 2 0.02
Average:
36 | 15 0.02
Snow
Actual:
2 | -11 0.01
Average:
36 | 14 0.02
Scattered Clouds
Actual:
1 | -21 0.00
Average:
35 | 14 0.02
Snow
Actual:
-7 | -24 T
Average:
35 | 14 0.02
Snow
Actual:
-3 | -24 0.03
Average:
35 | 14 0.01
Snow
Actual:
5 | -17 0.01
Average:
35 | 14 0.01
Snow
Actual:
23 | -8 0.02
Average:
35 | 13 0.02
Snow
Actual:
26 | 0 0.03
Average:
35 | 13 0.01
Scattered Clouds
Actual:
26 | 6 0.00
Average:
34 | 13 0.01
Clear
Actual:
42 | 23 0.00
Average:
34 | 13 0.01
Snow
Actual:
36 | 13 0.03
Average:
34 | 13 0.01
Partly Cloudy
Actual:
39 | 29 0.00
Average:
34 | 13 0.01
Scattered Clouds
Actual:
46 | 32 0.00
Average:
34 | 13 0.01
Clear
Actual:
44 | 21 0.00
Average:
34 | 13 0.01
Clear
Actual:
51 | 16 0.00
Average:
34 | 13 0.02
Clear
Actual:
56 | 24 0.00
Average:
34 | 13 0.01
Snow
Actual:
33 | -4 0.12
Average:
35 | 13 0.01
Scattered Clouds
Actual:
23 | 1 0.00
Average:
35 | 13 0.01
Snow
Actual:
26 | 9 0.04
Average:
35 | 13 0.01
Snow
Actual:
18 | -8 0.05
Average:
35 | 13 0.01
Partly Cloudy
Actual:
40 | -12 0.00
Average:
35 | 13 0.01
Snow
Actual:
39 | 20 0.10
Average:
35 | 13 0.01
Clear
Actual:
33 | 15 0.00
Average:
35 | 13 0.01
Scattered Clouds
Actual:
42 | 21 0.00
Average:
36 | 13 0.01
Clear
Actual:
45 | 34 0.00
Average:
36 | 13 0.01
Snow
Actual:
42 | 1 T
Average:
36 | 13 0.01
Partly Cloudy
Actual:
32 | 4 0.00
Average:
36 | 13 0.02
Snow
Actual:
36 | 22 0.02
Average:
36 | 13 0.01
Snow
Actual:
41 | 31 0.08
Average:
36 | 13 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 50 41 31 26 24 23 69 54 39 30.09 29.89 29.69 10 10 10 17 9 21 0.00  
2 46 35 23 33 30 22 96 75 53 29.65 29.55 29.47 10 9 2 18 8 23 0.11 Snow
3 32 17 2 30 9 -3 92 86 79 30.14 29.78 29.51 10 5 1 32 21 38 0.02 Snow
4 2 -4 -11 -3 -8 -15 87 79 71 30.38 30.14 29.88 10 6 2 26 16 31 0.01 Snow
5 1 -10 -21 -9 -17 -25 87 76 65 30.53 30.39 30.05 10 10 10 12 5 14 0.00  
6 -7 -15 -24 -13 -20 -28 86 78 70 30.71 30.42 30.21 10 7 2 8 2 9 T Snow
7 -3 -13 -24 -9 -17 -29 83 76 68 30.63 30.22 29.86 10 6 1 12 3 13 0.03 Snow
8 5 -6 -17 -4 -12 -22 82 72 62 30.31 30.09 29.79 10 8 2 18 9 23 0.01 Snow
9 23 8 -8 16 2 -12 83 69 55 30.27 30.10 29.81 10 9 2 32 17 40 0.02 Snow
10 26 13 0 20 12 -2 91 74 56 30.45 30.11 29.92 10 5 0 32 15 37 0.03 Fog , Snow
11 26 16 6 13 7 2 83 68 52 30.43 30.36 30.28 10 10 10 21 11 24 0.00  
12 42 33 23 24 18 12 69 58 47 30.27 30.11 29.90 10 10 10 25 9 29 0.00  
13 36 25 13 29 23 10 92 75 58 30.19 30.05 29.94 10 7 2 17 10 21 0.03 Snow
14 39 34 29 25 23 21 85 70 54 30.23 30.17 30.09 10 10 10 18 11 22 0.00  
15 46 39 32 28 24 21 64 55 45 30.04 30.00 29.95 10 10 10 23 13 26 0.00  
16 44 33 21 23 20 16 84 63 41 30.28 30.11 29.99 10 10 10 20 7 24 0.00  
17 51 34 16 24 21 13 92 63 34 30.33 30.09 29.81 10 10 10 30 16 38 0.00  
18 56 40 24 23 22 19 88 57 26 29.78 29.73 29.69 10 10 10 28 11 33 0.00  
19 33 15 -4 25 6 -7 92 86 79 30.19 29.93 29.67 10 4 0 28 11 32 0.12 Fog , Snow
20 23 12 1 12 5 -4 79 68 57 30.13 29.88 29.69 10 10 10 15 5 16 0.00  
21 26 18 9 21 16 7 91 79 67 30.05 29.82 29.65 10 7 1 14 5 17 0.04 Snow
22 18 5 -8 13 6 -9 95 87 79 30.46 30.14 29.91 10 5 0 15 4 83 0.05 Fog , Snow
23 40 14 -12 27 11 -14 87 71 54 30.48 30.26 29.88 10 10 10 25 10 30 0.00  
24 39 30 20 31 26 15 88 74 59 30.33 30.08 29.83 10 7 1 36 17 47 0.10 Snow
25 33 24 15 18 15 10 74 64 53 30.45 30.31 30.12 10 10 10 22 16 25 0.00  
26 42 32 21 27 22 15 68 58 47 30.28 30.20 30.11 10 10 10 25 14 29 0.00  
27 45 40 34 29 27 24 69 60 51 30.18 30.06 29.81 10 10 10 33 16 40 0.00  
28 42 22 1 28 15 -2 91 71 50 30.50 30.15 29.78 10 8 0 32 14 39 T Fog , Snow
29 32 18 4 22 13 1 83 68 53 30.48 30.20 29.97 10 10 10 17 7 26 0.00  
30 36 29 22 28 24 17 92 73 54 30.21 30.06 29.94 10 7 2 28 13 33 0.02 Snow
31 41 36 31 31 27 19 89 70 51 30.03 29.93 29.87 10 8 2 25 11 32 0.08 Snow