Weather History for Missoula, MT

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 49 °F 34 °F 21 °F
Mean Temperature 42 °F 29 °F 14 °F
Min Temperature 35 °F 22 °F 6 °F
Degree Days  
Heating Degree Days (base 65) 51 36 23 1127
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 41 °F 23 °F 7 °F
Precipitation  
Precipitation 0.39 in 0.07 in 0.00 in 1.46 in
Snowdepth 7.0 in 2.5 in 0.0 in -
Wind  
Wind 33 mph 5 mph 0 mph
Gust Wind 44 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.54 in 29.97 in 29.30 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 29, 2012 Rise Set
Actual Time 8:21 AM MST 4:55 PM MST
Civil Twilight 7:46 AM MST 5:31 PM MST
Nautical Twilight 7:07 AM MST 6:09 PM MST
Astronomical Twilight 6:30 AM MST 6:46 PM MST
Moon 6:39 PM MST (12/29) 8:51 AM MST (12/29)
Length of Visible Light 9h 44m
Length of Day
8h 34m
Full, 98% of the Moon is Illuminated
Dec 29
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 1.46 Normal Month Total: 1.04
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
49 | 34 0.39
Average:
34 | 20 0.04
Rain
Actual:
44 | 34 0.33
Average:
34 | 20 0.03
Overcast
Actual:
44 | 35 T
Average:
33 | 19 0.04
Rain
Actual:
47 | 33 0.03
Average:
33 | 19 0.03
Rain
Actual:
47 | 33 0.09
Average:
32 | 19 0.04
Snow
Actual:
34 | 29 T
Average:
32 | 18 0.03
Snow
Actual:
37 | 26 0.25
Average:
32 | 18 0.03
Snow
Actual:
33 | 15 0.02
Average:
32 | 18 0.04
Snow
Actual:
21 | 6 0.02
Average:
31 | 17 0.03
Snow
Actual:
35 | 15 0.01
Average:
31 | 17 0.03
Snow
Actual:
40 | 29 T
Average:
31 | 17 0.03
Snow
Actual:
37 | 29 0.02
Average:
31 | 17 0.03
Fog
Actual:
36 | 18 0.00
Average:
31 | 17 0.04
Fog
Actual:
25 | 10 T
Average:
30 | 16 0.03
Mostly Cloudy
Actual:
28 | 21 T
Average:
30 | 16 0.03
Snow
Actual:
35 | 16 T
Average:
30 | 16 0.04
Snow
Actual:
42 | 27 0.15
Average:
30 | 16 0.03
Partly Cloudy
Actual:
31 | 15 T
Average:
30 | 16 0.04
Partly Cloudy
Actual:
29 | 11 0.00
Average:
30 | 16 0.03
Mostly Cloudy
Actual:
38 | 22 0.00
Average:
30 | 16 0.04
Partly Cloudy
Actual:
34 | 24 0.00
Average:
30 | 16 0.03
Snow
Actual:
40 | 26 0.08
Average:
30 | 16 0.03
Snow
Actual:
37 | 23 0.01
Average:
30 | 16 0.04
Snow
Actual:
34 | 21 0.02
Average:
30 | 16 0.03
Snow
Actual:
24 | 19 T
Average:
30 | 16 0.03
Snow
Actual:
27 | 20 0.01
Average:
30 | 16 0.04
Snow
Actual:
29 | 23 0.01
Average:
30 | 16 0.03
Snow
Actual:
32 | 25 T
Average:
31 | 16 0.03
Snow
Actual:
26 | 14 0.01
Average:
31 | 16 0.04
Snow
Actual:
26 | 17 0.01
Average:
31 | 16 0.03
Mostly Cloudy
Actual:
27 | 22 T
Average:
31 | 16 0.03
 

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 49 42 34 39 36 34 100 81 61 29.83 29.75 29.66 10 5 0 17 5 22 0.39 Fog , Rain
2 44 39 34 41 34 26 100 80 59 29.88 29.54 29.30 10 9 2 20 7 25 0.33 Rain
3 44 40 35 31 28 27 76 65 53 30.18 30.07 29.88 10 10 10 14 6 18 T  
4 47 40 33 40 33 25 89 74 59 30.14 29.99 29.87 10 10 10 24 12 29 0.03 Rain
5 47 40 33 40 29 19 83 63 43 30.17 29.99 29.79 10 10 10 31 8 40 0.09 Rain
6 34 32 29 28 26 21 92 74 56 30.19 30.09 29.97 10 9 2 12 3 14 T Snow
7 37 32 26 32 28 24 92 78 64 30.06 29.81 29.69 10 4 0 33 8 44 0.25 Fog , Snow
8 33 24 15 27 20 11 96 71 46 30.35 30.04 29.73 10 7 1 24 2 29 0.02 Snow
9 21 14 6 17 12 7 92 83 73 30.54 30.38 30.24 10 8 1 9 2 12 0.02 Snow
10 35 25 15 26 21 13 91 80 69 30.28 30.19 30.07 10 9 5 16 5 21 0.01 Snow
11 40 35 29 30 29 26 92 81 70 30.07 29.78 29.56 10 10 3 9 2 12 T Snow
12 37 33 29 33 30 28 100 93 85 29.96 29.73 29.56 10 4 1 6 2 7 0.02 Snow
13 36 27 18 30 24 14 100 82 64 30.06 29.96 29.87 10 6 0 9 4 10 0.00 Fog
14 25 18 10 19 15 9 100 87 74 29.99 29.90 29.78 10 9 0 6 0 6 T Fog
15 28 25 21 22 20 19 92 87 81 30.00 29.89 29.74 10 10 8 7 1 32 T  
16 35 26 16 24 19 15 100 77 54 29.84 29.74 29.51 10 10 2 18 5 24 T Snow
17 42 35 27 30 26 19 100 76 52 29.76 29.45 29.31 10 4 0 29 10 35 0.15 Fog , Snow
18 31 23 15 19 14 11 81 64 47 30.05 29.94 29.78 10 10 10 15 2 17 T  
19 29 20 11 15 12 10 96 71 46 30.21 30.15 30.04 10 10 10 17 6 22 0.00  
20 38 30 22 22 17 11 65 57 48 30.17 30.06 29.96 10 10 10 21 14 25 0.00  
21 34 29 24 25 22 19 81 70 59 30.03 29.98 29.94 10 10 10 10 2 13 0.00  
22 40 33 26 32 25 20 96 70 44 29.95 29.82 29.72 10 9 2 22 8 26 0.08 Rain , Snow
23 37 30 23 32 26 21 100 78 56 30.04 29.90 29.69 10 4 0 21 7 26 0.01 Fog , Snow
24 34 28 21 27 22 12 92 79 66 30.25 30.00 29.68 10 8 1 20 8 22 0.02 Snow
25 24 22 19 19 14 10 92 77 62 30.28 30.13 29.96 10 10 7 18 7 22 T Snow
26 27 24 20 23 20 18 92 84 75 29.96 29.90 29.78 10 8 2 5 0 7 0.01 Snow
27 29 26 23 25 23 21 100 91 81 30.14 30.02 29.87 10 5 1 7 0 8 0.01 Snow
28 32 29 25 26 25 20 100 86 72 30.27 30.17 30.04 10 8 2 7 1 10 T Snow
29 26 20 14 21 17 13 100 84 68 30.29 30.19 30.05 10 8 0 9 2 14 0.01 Fog , Snow
30 26 22 17 20 19 16 92 83 74 30.32 30.23 30.08 10 7 2 8 2 10 0.01 Snow
31 27 25 22 19 17 16 84 76 68 30.44 30.34 30.16 10 10 10 9 2 12 T