Weather History for Lewistown, MT

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Month of October, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 76 °F 52 °F 21 °F
Mean Temperature 57 °F 41 °F 20 °F
Min Temperature 44 °F 30 °F 14 °F
Degree Days  
Heating Degree Days (base 65) 45 24 8 740
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 6 1 0 21
Dew Point  
Dew Point 48 °F 29 °F 10 °F
Precipitation  
Precipitation 0.35 in 0.05 in 0.00 in 1.54 in
Snowdepth 1.0 in 0.0 in 0.0 in -
Wind  
Wind 44 mph 10 mph 0 mph
Gust Wind 63 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.55 in 30.01 in 29.34 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 18, 2012 Rise Set
Actual Time 7:41 AM MDT 6:23 PM MDT
Civil Twilight 7:10 AM MDT 6:54 PM MDT
Nautical Twilight 6:34 AM MDT 7:30 PM MDT
Astronomical Twilight 5:59 AM MDT 8:05 PM MDT
Moon 11:40 AM MDT (10/18) 8:47 PM MDT (10/18)
Length of Visible Light 11h 44m
Length of Day
10h 42m
Waxing Crescent, 15% of the Moon is Illuminated
Oct 18
Waxing Crescent
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New

Weather History Calendar

Precipitation Actual month total 1.54 Normal Month Total: 1.13
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
76 | 37 0.00
Average:
62 | 35 0.05
Scattered Clouds
Actual:
70 | 43 0.00
Average:
62 | 35 0.04
Snow
Actual:
45 | 32 0.34
Average:
62 | 35 0.05
Snow
Actual:
40 | 32 0.01
Average:
61 | 34 0.04
Snow
Actual:
38 | 20 0.03
Average:
61 | 34 0.04
Rain
Actual:
49 | 17 0.03
Average:
61 | 34 0.04
Scattered Clouds
Actual:
62 | 31 0.00
Average:
60 | 34 0.04
Snow
Actual:
47 | 33 0.35
Average:
60 | 33 0.04
Partly Cloudy
Actual:
53 | 30 0.00
Average:
59 | 33 0.04
Rain
Actual:
61 | 30 0.03
Average:
59 | 33 0.04
Rain
Actual:
40 | 28 0.01
Average:
59 | 32 0.04
Clear
Actual:
74 | 29 0.00
Average:
58 | 32 0.04
Rain
Actual:
63 | 39 0.01
Average:
58 | 32 0.04
Partly Cloudy
Actual:
66 | 39 0.00
Average:
58 | 31 0.04
Rain
Actual:
61 | 44 0.04
Average:
57 | 31 0.04
Rain
Actual:
59 | 40 0.26
Average:
57 | 31 0.04
Partly Cloudy
Actual:
45 | 29 T
Average:
56 | 31 0.04
Clear
Actual:
56 | 24 0.00
Average:
56 | 30 0.03
Clear
Actual:
65 | 34 0.00
Average:
56 | 30 0.04
Partly Cloudy
Actual:
58 | 32 0.00
Average:
55 | 30 0.03
Partly Cloudy
Actual:
48 | 33 0.00
Average:
55 | 29 0.04
Snow
Actual:
42 | 28 0.10
Average:
54 | 29 0.03
Snow
Actual:
31 | 15 0.17
Average:
54 | 29 0.03
Snow
Actual:
27 | 14 T
Average:
54 | 28 0.03
Snow
Actual:
21 | 19 T
Average:
53 | 28 0.03
Partly Cloudy
Actual:
37 | 15 0.00
Average:
53 | 28 0.03
Snow
Actual:
34 | 22 0.04
Average:
52 | 28 0.03
Rain
Actual:
55 | 28 0.03
Average:
52 | 27 0.03
Rain
Actual:
62 | 39 0.09
Average:
51 | 27 0.03
Scattered Clouds
Actual:
64 | 42 0.00
Average:
51 | 27 0.02
Partly Cloudy
Actual:
55 | 33 0.00
Average:
50 | 26 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
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 76 57 37 37 33 29 85 52 18 30.30 30.15 29.91 10 10 10 20 8 22 0.00  
2 70 57 43 37 34 32 76 51 25 29.89 29.77 29.67 10 10 10 18 12 24 0.00  
3 45 39 32 39 33 30 100 85 70 30.55 30.28 29.93 10 6 0 18 9 23 0.34 Fog , Rain , Snow
4 40 36 32 34 31 28 96 83 70 30.51 30.42 30.33 10 9 1 13 5 15 0.01 Snow
5 38 29 20 30 27 20 96 83 70 30.53 30.44 30.38 10 8 0 18 4 22 0.03 Fog , Snow
6 49 33 17 36 24 10 92 60 27 30.50 30.32 30.16 10 10 10 23 10 29 0.03 Rain
7 62 47 31 35 30 23 92 58 23 30.19 30.02 29.91 10 10 10 22 8 30 0.00  
8 47 40 33 41 36 29 100 75 49 30.13 29.99 29.88 10 8 3 16 9 35 0.35 Rain , Snow
9 53 42 30 34 30 27 100 71 41 30.19 30.12 30.07 10 10 10 17 6 43 0.00  
10 61 46 30 38 33 27 82 57 32 30.13 30.00 29.91 10 9 3 18 8 30 0.03 Rain
11 40 34 28 37 30 27 100 88 76 30.31 30.18 30.02 10 9 3 20 11 63 0.01 Rain
12 74 52 29 33 26 17 100 55 10 29.99 29.79 29.67 10 10 10 24 10 30 0.00  
13 63 51 39 44 34 26 77 56 34 30.09 29.90 29.73 10 10 10 24 10 35 0.01 Rain
14 66 53 39 37 34 30 79 55 30 30.13 30.00 29.78 10 10 10 25 16 32 0.00  
15 61 53 44 47 39 31 83 58 32 29.80 29.76 29.73 10 10 10 32 13 40 0.04 Rain
16 59 50 40 48 35 21 93 62 30 29.74 29.50 29.34 10 9 2 44 20 54 0.26 Rain
17 45 37 29 25 21 18 75 56 36 30.20 29.95 29.74 10 10 10 40 16 49 T  
18 56 40 24 25 20 15 75 49 22 30.27 30.18 30.01 10 10 10 15 6 17 0.00  
19 65 50 34 35 30 25 76 51 25 29.97 29.72 29.55 10 10 10 35 17 41 0.00  
20 58 45 32 36 29 17 61 46 30 29.79 29.58 29.48 10 10 10 25 14 35 0.00  
21 48 41 33 26 20 14 64 48 32 29.94 29.89 29.82 10 10 10 16 5 20 0.00  
22 42 35 28 34 30 24 100 81 62 29.92 29.77 29.61 10 9 2 21 8 24 0.10 Snow
23 31 23 15 28 21 18 100 85 69 30.09 29.87 29.63 10 7 0 20 9 28 0.17 Fog , Snow
24 27 21 14 21 18 14 100 88 75 30.32 30.16 29.97 10 10 4 12 4 14 T Snow
25 21 20 19 18 16 15 84 81 77 30.54 30.44 30.29 10 10 4 13 8 17 T Snow
26 37 26 15 23 19 13 92 72 52 30.54 30.35 30.16 10 10 10 15 6 17 0.00  
27 34 28 22 30 27 20 100 89 78 30.15 30.07 29.99 10 6 1 10 5 12 0.04 Snow
28 55 42 28 39 34 26 92 73 54 30.02 29.88 29.81 10 10 10 29 12 36 0.03 Rain
29 62 51 39 45 39 34 86 69 51 29.99 29.91 29.82 10 10 10 29 13 36 0.09 Rain
30 64 53 42 35 32 29 62 45 27 30.02 29.96 29.90 10 10 10 25 14 31 0.00  
31 55 44 33 40 35 32 100 72 43 30.09 29.99 29.89 10 9 5 16 9 28 0.00