Weather History for Dillon, MT

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 54 °F 33 °F 21 °F
Mean Temperature 42 °F 24 °F 10 °F
Min Temperature 32 °F 14 °F -3 °F
Degree Days  
Heating Degree Days (base 65) 55 41 23 1285
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 37 °F 14 °F -7 °F
Precipitation  
Precipitation 0.03 in 0.00 in 0.00 in 0.07 in
Snowdepth 1.0 in 0.2 in 0.0 in -
Wind  
Wind 41 mph 8 mph 0 mph
Gust Wind 54 mph 26 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.51 in 29.97 in 29.22 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 09, 2012 Rise Set
Actual Time 7:58 AM MST 4:47 PM MST
Civil Twilight 7:24 AM MST 5:21 PM MST
Nautical Twilight 6:46 AM MST 5:58 PM MST
Astronomical Twilight 6:11 AM MST 6:34 PM MST
Moon 3:26 AM MST (12/9) 2:04 PM MST (12/9)
Length of Visible Light 9h 57m
Length of Day
8h 49m
Waning Crescent, 18% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.07 Normal Month Total: 0.27
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
50 | 32 0.01
Average:
33 | 13 0.01
Snow
Actual:
51 | 27 0.01
Average:
32 | 13 0.01
Partly Cloudy
Actual:
42 | 25 0.00
Average:
32 | 13 0.02
Partly Cloudy
Actual:
46 | 21 0.00
Average:
32 | 12 0.01
Rain
Actual:
54 | 29 T
Average:
31 | 12 0.01
Scattered Clouds
Actual:
37 | 22 T
Average:
31 | 12 0.01
Scattered Clouds
Actual:
36 | 20 T
Average:
31 | 12 0.01
Snow
Actual:
31 | 6 T
Average:
31 | 11 0.01
Partly Cloudy
Actual:
25 | 3 0.00
Average:
30 | 11 0.01
Partly Cloudy
Actual:
36 | 24 0.00
Average:
30 | 11 0.01
Partly Cloudy
Actual:
42 | 26 0.00
Average:
30 | 11 0.01
Snow
Actual:
37 | 21 0.01
Average:
30 | 11 0.01
Clear
Actual:
36 | 13 0.00
Average:
30 | 11 0.01
Snow
Actual:
34 | 15 0.01
Average:
30 | 11 0.01
Snow
Actual:
29 | 18 0.03
Average:
30 | 11 0.01
Partly Cloudy
Actual:
29 | 16 0.00
Average:
30 | 11 0.01
Snow
Actual:
36 | 13 T
Average:
30 | 10 0.01
Scattered Clouds
Actual:
25 | 5 0.00
Average:
30 | 10 0.01
Clear
Actual:
21 | 0 0.00
Average:
30 | 10 0.00
Scattered Clouds
Actual:
30 | 4 0.00
Average:
30 | 11 0.01
Clear
Actual:
34 | 8 0.00
Average:
30 | 11 0.01
Scattered Clouds
Actual:
34 | 10 0.00
Average:
30 | 11 0.00
Partly Cloudy
Actual:
32 | 14 0.00
Average:
30 | 11 0.01
Snow
Actual:
22 | 6 T
Average:
30 | 11 0.01
Partly Cloudy
Actual:
21 | 0 T
Average:
30 | 11 0.00
Snow
Actual:
25 | 16 T
Average:
30 | 11 0.01
Partly Cloudy
Actual:
29 | 12 0.00
Average:
30 | 11 0.01
Scattered Clouds
Actual:
30 | 12 0.00
Average:
30 | 11 0.00
Scattered Clouds
Actual:
24 | 3 0.00
Average:
31 | 11 0.01
Snow
Actual:
23 | 2 T
Average:
31 | 12 0.00
Partly Cloudy
Actual:
22 | -3 0.00
Average:
31 | 12 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 50 41 32 36 30 26 92 67 42 29.82 29.76 29.64 10 10 10 28 12 35 0.01  
2 51 39 27 37 29 15 85 66 46 29.88 29.48 29.22 10 10 9 41 21 54 0.01 Rain , Snow
3 42 34 25 19 17 14 69 51 33 30.23 30.09 29.88 10 10 10 23 11 29 0.00  
4 46 34 21 32 25 17 81 63 45 30.20 30.08 29.94 10 10 10 17 6 22 0.00  
5 54 42 29 33 29 22 76 59 41 30.00 29.90 29.79 10 10 10 32 10 39 T Rain
6 37 30 22 25 22 17 92 76 59 30.05 29.98 29.87 10 10 9 17 7 22 T  
7 36 28 20 17 15 12 77 58 38 30.06 29.93 29.70 10 10 10 30 13 37 T  
8 31 19 6 25 9 0 75 54 33 30.27 29.93 29.65 10 8 0 29 8 41 T Fog , Snow
9 25 14 3 10 3 -2 86 63 39 30.51 30.32 30.08 10 10 10 24 12 31 0.00  
10 36 30 24 21 15 8 75 55 35 30.13 30.06 30.00 10 10 10 26 14 31 0.00  
11 42 34 26 21 19 17 68 53 38 30.01 29.76 29.55 10 10 10 23 13 29 0.00  
12 37 29 21 30 26 18 100 82 63 29.89 29.63 29.50 10 8 2 18 4 23 0.01 Snow
13 36 25 13 21 16 10 92 74 56 30.04 29.96 29.88 10 10 10 12 5 13 0.00  
14 34 25 15 25 21 12 100 81 61 29.84 29.75 29.66 10 7 2 15 4 29 0.01 Snow
15 29 24 18 25 20 12 96 82 68 29.89 29.78 29.72 10 7 0 15 5 20 0.03 Fog , Snow
16 29 23 16 17 12 6 77 64 50 29.84 29.77 29.64 10 10 10 21 9 25 0.00  
17 36 25 13 27 20 9 78 67 56 29.77 29.52 29.35 10 6 0 37 13 44 T Fog , Snow
18 25 15 5 11 4 -3 83 64 45 30.05 29.93 29.76 10 10 10 17 11 22 0.00  
19 21 11 0 4 -2 -7 75 60 45 30.38 30.25 30.07 10 10 10 23 11 26 0.00  
20 30 17 4 11 6 1 73 56 39 30.37 30.27 30.17 10 10 10 18 5 23 0.00  
21 34 21 8 14 7 0 63 52 41 30.19 30.11 30.04 10 10 10 12 6 29 0.00  
22 34 22 10 17 10 4 67 53 39 30.10 29.96 29.83 10 10 10 16 5 24 0.00  
23 32 23 14 20 14 6 81 66 50 30.09 29.93 29.79 10 10 10 15 8 17 0.00  
24 22 14 6 16 9 1 88 81 73 30.32 29.97 29.79 10 7 1 17 8 21 T Snow
25 21 11 0 12 6 -3 88 73 57 30.37 30.21 29.99 10 10 10 8 2 9 T  
26 25 21 16 16 14 12 92 76 60 29.95 29.83 29.70 10 9 4 8 4 9 T Snow
27 29 21 12 16 13 9 92 75 58 30.10 29.99 29.85 10 10 10 8 3 8 0.00  
28 30 21 12 14 10 5 74 61 47 30.25 30.15 30.07 10 10 10 16 11 21 0.00  
29 24 14 3 9 5 2 73 64 54 30.33 30.22 30.12 10 10 10 12 6 16 0.00  
30 23 13 2 13 7 0 92 77 62 30.30 30.20 29.95 10 9 2 13 6 15 T Snow
31 22 10 -3 10 4 -3 87 70 52 30.37 30.29 30.02 10 10 10 9 3 10 0.00