Weather History for Malmstrom AFB, MT

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 33 °F 1 °F
Mean Temperature 46 °F 25 °F -7 °F
Min Temperature 37 °F 16 °F -15 °F
Degree Days  
Heating Degree Days (base 65) 72 40 18 1251
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 41 °F 13 °F -20 °F
Precipitation  
Precipitation 0.10 in 0.01 in 0.00 in 0.22 in
Snowdepth - - - -
Wind  
Wind 34 mph 12 mph 0 mph
Gust Wind 46 mph 29 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.69 in 29.97 in 29.18 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 19, 2012 Rise Set
Actual Time 8:08 AM MST 4:35 PM MST
Civil Twilight 7:32 AM MST 5:11 PM MST
Nautical Twilight 6:53 AM MST 5:50 PM MST
Astronomical Twilight 6:16 AM MST 6:28 PM MST
Moon 11:51 AM MST (12/19) No Moon Set
Length of Visible Light 9h 38m
Length of Day
8h 26m
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 0.22 Average Month Total: 1.25
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
54 | 37 0.00
Average:
- | - 0.00
Rain
Actual:
57 | 33 0.02
Average:
- | - 0.00
Clear
Actual:
46 | 33 0.00
Average:
- | - 0.00
Scattered Clouds
Actual:
53 | 34 0.00
Average:
- | - 0.01
Clear
Actual:
54 | 32 0.00
Average:
- | - 0.01
Partly Cloudy
Actual:
36 | 28 0.00
Average:
- | - 0.01
Partly Cloudy
Actual:
37 | 28 0.00
Average:
- | - 0.01
Snow
Actual:
28 | -7 0.10
Average:
- | - 0.01
Fog
Actual:
28 | -11 0.00
Average:
- | - 0.01
Partly Cloudy
Actual:
36 | 19 0.00
Average:
- | - 0.01
Partly Cloudy
Actual:
42 | 19 0.00
Average:
- | - 0.01
Snow
Actual:
37 | 24 0.00
Average:
- | - 0.01
Scattered Clouds
Actual:
37 | 24 0.00
Average:
- | - 0.01
Clear
Actual:
41 | 25 0.00
Average:
- | - 0.01
Clear
Actual:
35 | 21 0.00
Average:
- | - 0.02
Clear
Actual:
37 | 24 0.00
Average:
- | - 0.02
Scattered Clouds
Actual:
43 | 30 0.00
Average:
- | - 0.02
Partly Cloudy
Actual:
32 | 15 0.00
Average:
- | - 0.03
Scattered Clouds
Actual:
30 | 16 0.00
Average:
- | - 0.03
Clear
Actual:
42 | 28 0.00
Average:
- | - 0.04
Partly Cloudy
Actual:
48 | 12 0.00
Average:
- | - 0.04
Snow
Actual:
12 | 10 0.00
Average:
- | - 0.05
Snow
Actual:
16 | 1 0.00
Average:
- | - 0.05
Snow
Actual:
1 | -9 0.07
Average:
- | - 0.05
Partly Cloudy
Actual:
1 | -15 0.00
Average:
- | - 0.05
Snow
Actual:
3 | -4 0.01
Average:
- | - 0.05
Scattered Clouds
Actual:
16 | -2 0.00
Average:
- | - 0.05
Scattered Clouds
Actual:
28 | 14 0.00
Average:
- | - 0.05
Snow
Actual:
30 | 17 0.00
Average:
- | - 0.49
Snow
Actual:
24 | 12 0.02
Average:
- | - 0.05
Partly Cloudy
Actual:
28 | 12 0.00
Average:
- | - 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

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 54 46 37 33 29 26 73 57 37 29.77 29.73 29.68 10 10 10 26 14 38 0.00  
2 57 45 33 41 31 21 80 60 41 29.70 29.46 29.18 10 10 10 34 13 45 0.02 Rain
3 46 42 33 22 21 20 61 45 35 30.15 29.97 29.72 10 10 10 33 24 43 0.00  
4 53 44 34 33 26 19 60 48 37 30.15 29.96 29.78 10 10 10 34 18 41 0.00  
5 54 44 32 34 22 9 52 40 20 30.12 29.85 29.65 10 10 10 33 23 46 0.00  
6 36 33 28 18 15 12 61 47 37 30.12 30.06 29.98 10 10 10 16 13 20 0.00  
7 37 32 28 24 17 11 82 53 33 29.99 29.87 29.68 10 10 10 18 11 28 0.00  
8 28 10 -7 27 9 -11 93 84 73 30.56 29.96 29.55 10 3 0 23 9 33 0.10 Fog , Snow
9 28 8 -11 17 -4 -17 92 77 63 30.62 30.30 30.03 10 5 0 28 8 36 0.00 Fog
10 36 28 19 18 16 12 74 59 46 30.11 30.05 30.00 10 10 10 21 13 24 0.00  
11 42 30 19 26 24 14 78 61 51 29.97 29.67 29.56 10 10 10 34 19 44 0.00  
12 37 30 24 28 25 22 91 77 65 29.96 29.74 29.54 10 9 2 18 6 23 0.00 Snow
13 37 30 24 22 18 14 88 63 43 29.97 29.90 29.80 10 10 8 25 10 33 0.00  
14 41 33 25 22 18 15 72 57 43 29.84 29.77 29.72 10 10 10 21 15 - 0.00  
15 35 28 21 16 15 13 72 63 44 29.98 29.78 29.66 10 10 10 17 10 - 0.00  
16 37 30 24 17 14 10 69 51 34 29.76 29.70 29.64 10 10 10 26 17 38 0.00  
17 43 36 30 26 19 11 64 50 37 29.57 29.43 29.33 10 10 10 30 19 36 0.00  
18 32 24 15 13 7 3 68 43 31 30.02 29.81 29.59 10 10 10 23 17 33 0.00  
19 30 23 16 9 7 4 68 49 33 30.14 30.09 30.02 10 10 10 29 16 39 0.00  
20 42 35 28 16 11 7 41 37 30 30.06 29.98 29.92 10 10 10 34 26 45 0.00  
21 48 32 12 17 11 6 77 44 22 30.19 30.02 29.94 10 10 10 21 14 23 0.00  
22 12 11 10 9 7 5 87 83 73 30.29 30.13 29.86 10 7 2 12 8 - 0.00 Snow
23 16 8 1 9 4 -3 92 82 74 30.26 30.10 29.87 10 9 2 13 5 - 0.00 Snow
24 1 -4 -9 -2 -7 -15 85 77 72 30.69 30.33 29.94 10 5 1 8 6 - 0.07 Snow
25 1 -7 -15 -6 -10 -20 84 79 72 30.67 30.46 29.96 10 10 10 7 2 - 0.00  
26 3 0 -4 -2 -5 -8 85 79 76 30.25 30.03 29.75 10 7 1 6 2 - 0.01 Snow
27 16 7 -2 9 2 -7 88 78 70 30.22 30.16 30.11 10 10 10 9 1 - 0.00  
28 28 21 14 18 12 8 78 71 61 30.25 30.18 30.13 10 10 10 14 7 - 0.00  
29 30 24 17 21 14 9 85 65 52 30.20 30.13 29.93 10 9 2 20 12 - 0.00 Snow
30 24 18 12 21 17 6 93 83 65 30.27 30.12 29.96 10 7 2 15 8 - 0.02 Snow
31 28 20 12 18 12 5 73 65 58 30.28 30.24 30.19 10 10 10 21 15 - 0.00