Weather History for Dillon, MT

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 49 °F 28 °F -9 °F
Mean Temperature 40 °F 20 °F -15 °F
Min Temperature 33 °F 12 °F -24 °F
Degree Days  
Heating Degree Days (base 65) 80 45 25 1388
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 33 °F 11 °F -27 °F
Precipitation  
Precipitation 0.08 in 0.00 in 0.00 in 0.09 in
Snowdepth 1.0 in 0.5 in 0.0 in -
Wind  
Wind 37 mph 13 mph 0 mph
Gust Wind 47 mph 28 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.58 in 30.19 in 29.40 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 18, 2013 Rise Set
Actual Time 8:04 AM MST 4:49 PM MST
Civil Twilight 7:30 AM MST 5:23 PM MST
Nautical Twilight 6:53 AM MST 6:00 PM MST
Astronomical Twilight 6:17 AM MST 6:36 PM MST
Moon 6:28 PM MST 8:43 AM MST
Length of Visible Light 9h 52m
Length of Day
8h 44m
Full, 98% of the Moon is Illuminated
Dec 18
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

Weather History Calendar

Precipitation Actual month total 0.09 Normal Month Total: 0.27
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Cloudy
Actual:
46 | 33 0.00
Average:
33 | 13 0.01
Snow
Actual:
49 | 12 0.08
Average:
32 | 13 0.01
Snow
Actual:
12 | -7 T
Average:
32 | 13 0.02
Snow
Actual:
-1 | -13 T
Average:
32 | 12 0.01
Scattered Clouds
Actual:
-5 | -19 0.00
Average:
31 | 12 0.01
Snow
Actual:
-8 | -19 T
Average:
31 | 12 0.01
Snow
Actual:
-9 | -22 T
Average:
31 | 12 0.01
Snow
Actual:
-2 | -24 T
Average:
31 | 11 0.01
Partly Cloudy
Actual:
14 | -17 0.00
Average:
30 | 11 0.01
Partly Cloudy
Actual:
25 | 12 0.00
Average:
30 | 11 0.01
Clear
Actual:
22 | 8 0.00
Average:
30 | 11 0.01
Clear
Actual:
30 | 11 0.00
Average:
30 | 11 0.01
Partly Cloudy
Actual:
38 | 21 0.00
Average:
30 | 11 0.01
Partly Cloudy
Actual:
37 | 23 0.00
Average:
30 | 11 0.01
Clear
Actual:
43 | 27 0.00
Average:
30 | 11 0.01
Clear
Actual:
42 | 27 0.00
Average:
30 | 11 0.01
Clear
Actual:
45 | 24 0.00
Average:
30 | 10 0.01
Scattered Clouds
Actual:
41 | 28 0.00
Average:
30 | 10 0.01
Clear
Actual:
10 | 10 0.01
Average:
30 | 10 0.00
Snow
Actual:
26 | 21 T
Average:
30 | 11 0.01
Partly Cloudy
Actual:
30 | 20 T
Average:
30 | 11 0.01
Partly Cloudy
Actual:
37 | 19 0.00
Average:
30 | 11 0.00
Snow
Actual:
42 | 27 T
Average:
30 | 11 0.01
Scattered Clouds
Actual:
35 | 21 0.00
Average:
30 | 11 0.01
Scattered Clouds
Actual:
32 | 14 0.00
Average:
30 | 11 0.00
Scattered Clouds
Actual:
41 | 26 0.00
Average:
30 | 11 0.01
Clear
Actual:
41 | 25 0.00
Average:
30 | 11 0.01
Partly Cloudy
Actual:
37 | 11 0.00
Average:
30 | 11 0.00
Partly Cloudy
Actual:
37 | 13 0.00
Average:
31 | 11 0.01
Partly Cloudy
Actual:
39 | 27 0.00
Average:
31 | 12 0.00
Partly Cloudy
Actual:
44 | 30 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

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 46 40 33 33 29 24 75 60 45 30.14 29.92 29.71 10 10 10 23 13 29 0.00  
2 49 31 12 32 25 8 100 73 45 29.74 29.57 29.40 10 4 0 36 17 45 0.08 Fog , Snow
3 12 3 -7 7 -1 -11 84 74 63 30.32 29.97 29.67 10 7 1 35 16 40 T Snow
4 -1 -7 -13 -9 -13 -18 92 78 64 30.46 30.37 30.04 10 9 5 10 5 12 T Snow
5 -5 -12 -19 -13 -19 -24 81 73 64 30.49 30.44 30.38 10 10 10 16 9 18 0.00  
6 -8 -13 -19 -14 -18 -25 86 78 69 30.58 30.31 30.04 10 7 2 8 4 10 T Snow
7 -9 -15 -22 -18 -21 -27 86 74 62 30.49 30.21 29.89 10 6 2 12 6 13 T Snow
8 -2 -13 -24 -8 -14 -27 83 76 69 30.55 30.24 29.96 10 6 2 12 6 14 T Snow
9 14 -1 -17 4 -5 -20 87 76 64 30.55 30.48 30.37 10 10 10 28 11 34 0.00  
10 25 19 12 11 7 4 76 66 55 30.43 30.32 30.24 10 10 10 26 16 33 0.00  
11 22 15 8 12 7 1 73 67 61 30.54 30.50 30.45 10 10 10 20 13 23 0.00  
12 30 21 11 18 12 7 76 67 58 30.50 30.33 30.16 10 10 10 20 9 23 0.00  
13 38 30 21 23 19 13 81 68 54 30.36 30.22 30.11 10 10 10 20 12 23 0.00  
14 37 30 23 24 20 17 75 66 56 30.46 30.38 30.29 10 10 10 26 17 33 0.00  
15 43 35 27 24 20 16 69 57 44 30.32 30.26 30.19 10 10 10 35 22 41 0.00  
16 42 35 27 22 18 16 69 55 41 30.40 30.30 30.22 10 10 10 33 23 43 0.00  
17 45 35 24 25 19 14 68 57 45 30.42 30.23 29.99 10 10 10 24 15 28 0.00  
18 41 34 28 22 19 17 64 57 44 29.97 29.89 29.76 10 10 10 16 13 - 0.00  
19 10 10 10 - - - - - - - - - 1 1 1 - - - 0.01  
20 26 24 21 16 13 9 77 66 55 29.70 29.58 29.51 10 10 7 22 14 27 T Snow
21 30 25 20 20 16 13 84 71 57 30.05 29.87 29.65 10 10 10 18 11 24 T  
22 37 28 19 23 19 14 77 67 56 30.26 30.11 30.01 10 10 10 20 11 24 0.00  
23 42 35 27 31 28 24 81 72 62 30.24 30.09 29.90 10 10 2 37 17 47 T Rain , Snow
24 35 28 21 23 15 12 68 58 47 30.50 30.36 30.10 10 10 10 22 14 30 0.00  
25 32 23 14 15 11 8 73 58 43 30.58 30.50 30.41 10 10 10 24 14 31 0.00  
26 41 34 26 22 19 15 68 58 48 30.40 30.35 30.26 10 10 10 24 19 32 0.00  
27 41 33 25 21 17 14 68 55 41 30.38 30.22 30.00 10 10 10 28 17 32 0.00  
28 37 24 11 20 17 11 84 67 49 30.43 30.23 29.99 10 10 10 18 8 22 0.00  
29 37 25 13 20 13 8 92 62 32 30.42 30.29 30.15 10 10 10 22 13 29 0.00  
30 39 33 27 23 21 19 75 62 48 30.26 30.18 30.07 10 10 10 21 14 25 0.00  
31 44 37 30 29 25 18 82 65 47 30.14 30.05 29.95 10 10 10 24 16 35 0.00