Weather History for Lewistown, MT

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Month of February, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 45 °F 35 °F 21 °F
Mean Temperature 37 °F 26 °F 14 °F
Min Temperature 28 °F 17 °F 0 °F
Degree Days  
Heating Degree Days (base 65) 51 39 28 1083
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 31 °F 19 °F -4 °F
Precipitation  
Precipitation 0.07 in 0.01 in 0.00 in 0.21 in
Snowdepth 9.0 in 2.5 in 1.0 in -
Wind  
Wind 32 mph 9 mph 0 mph
Gust Wind 40 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 30.02 in 29.56 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Feb. 13, 2013 Rise Set
Actual Time 7:25 AM MST 5:39 PM MST
Civil Twilight 6:53 AM MST 6:11 PM MST
Nautical Twilight 6:17 AM MST 6:46 PM MST
Astronomical Twilight 5:42 AM MST 7:22 PM MST
Moon 8:38 AM MST (2/13) 10:06 PM MST (2/13)
Length of Visible Light 11h 17m
Length of Day
10h 14m
Waxing Crescent, 14% of the Moon is Illuminated
Feb 13
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Weather History Calendar

Precipitation Actual month total 0.21 Normal Month Total: 0.44
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Snow
Actual:
38 | 19 0.02
Average:
35 | 14 0.02
Clear
Actual:
35 | 18 0.00
Average:
35 | 14 0.01
Clear
Actual:
42 | 19 0.00
Average:
35 | 14 0.02
Partly Cloudy
Actual:
41 | 25 0.00
Average:
35 | 14 0.02
Partly Cloudy
Actual:
43 | 24 T
Average:
35 | 14 0.01
Scattered Clouds
Actual:
39 | 22 0.00
Average:
35 | 14 0.02
Scattered Clouds
Actual:
39 | 19 0.00
Average:
35 | 14 0.01
Scattered Clouds
Actual:
38 | 16 0.00
Average:
35 | 14 0.02
Snow
Actual:
36 | 13 0.02
Average:
36 | 14 0.01
Snow
Actual:
26 | 4 T
Average:
36 | 14 0.02
Clear
Actual:
35 | 0 0.00
Average:
36 | 14 0.01
Partly Cloudy
Actual:
37 | 18 0.00
Average:
36 | 14 0.02
Snow
Actual:
40 | 22 0.06
Average:
36 | 15 0.01
Snow
Actual:
27 | 14 0.02
Average:
36 | 15 0.02
Snow
Actual:
36 | 15 T
Average:
36 | 15 0.01
Clear
Actual:
45 | 28 0.00
Average:
37 | 15 0.02
Snow
Actual:
38 | 25 0.07
Average:
37 | 15 0.01
Snow
Actual:
30 | 17 0.01
Average:
37 | 15 0.02
Partly Cloudy
Actual:
27 | 12 0.00
Average:
37 | 15 0.02
Snow
Actual:
21 | 6 0.01
Average:
37 | 16 0.01
Partly Cloudy
Actual:
31 | 9 0.00
Average:
37 | 16 0.02
Partly Cloudy
Actual:
35 | 17 0.00
Average:
38 | 16 0.01
Snow
Actual:
36 | 25 T
Average:
38 | 16 0.02
Clear
Actual:
34 | 14 0.00
Average:
38 | 16 0.01
Scattered Clouds
Actual:
38 | 20 0.00
Average:
38 | 17 0.02
Partly Cloudy
Actual:
30 | 16 0.00
Average:
39 | 17 0.02
Scattered Clouds
Actual:
35 | 11 0.00
Average:
39 | 17 0.01
Partly Cloudy
Actual:
40 | 17 0.00
Average:
39 | 17 0.02
 

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
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 38 29 19 31 29 15 100 80 59 30.27 30.05 29.94 10 6 0 23 9 33 0.02 Fog , Snow
2 35 27 18 26 20 13 77 70 63 30.38 30.29 30.17 10 10 10 21 13 24 0.00  
3 42 31 19 25 20 15 77 60 43 30.14 29.99 29.93 10 10 10 22 12 28 0.00  
4 41 33 25 28 25 17 78 66 54 29.94 29.87 29.79 10 10 10 24 11 30 0.00  
5 43 34 24 29 25 20 78 66 53 29.95 29.85 29.75 10 10 10 24 9 31 T  
6 39 31 22 25 20 15 78 61 44 30.09 29.93 29.77 10 10 10 24 9 29 0.00  
7 39 29 19 22 16 10 73 57 40 30.10 30.01 29.94 10 10 10 18 6 22 0.00  
8 38 27 16 22 17 10 81 67 52 30.02 29.99 29.96 10 10 10 9 3 18 0.00  
9 36 25 13 25 21 10 92 70 47 30.00 29.92 29.85 10 6 1 17 5 21 0.02 Snow
10 26 15 4 22 15 4 92 83 73 30.25 30.07 29.92 10 4 0 25 12 33 T Fog , Snow
11 35 18 0 20 8 -4 87 64 41 30.22 30.08 30.01 10 10 10 12 5 13 0.00  
12 37 28 18 27 21 12 75 67 59 30.09 30.01 29.84 10 10 10 29 12 33 0.00  
13 40 31 22 29 25 19 100 74 48 30.23 30.00 29.84 10 5 0 30 16 38 0.06 Fog , Snow
14 27 21 14 21 16 7 92 69 46 30.45 30.30 30.15 10 6 1 22 6 26 0.02 Snow
15 36 26 15 22 19 11 88 71 54 30.45 30.32 30.18 10 10 2 18 9 21 T Snow
16 45 37 28 29 26 22 75 64 53 30.16 29.95 29.66 10 10 10 20 13 23 0.00  
17 38 32 25 31 26 21 100 77 54 30.06 29.80 29.65 10 5 0 32 15 40 0.07 Fog , Snow
18 30 24 17 21 17 11 92 71 50 30.19 30.08 29.97 10 8 1 18 9 23 0.01 Snow
19 27 20 12 18 13 7 88 76 63 30.01 29.89 29.80 10 10 10 21 11 24 0.00  
20 21 14 6 18 14 5 96 90 83 29.99 29.89 29.79 10 5 0 8 2 9 0.01 Fog , Snow
21 31 20 9 17 12 7 100 74 47 30.04 29.98 29.85 10 10 10 14 5 15 0.00  
22 35 26 17 22 16 10 74 65 56 29.97 29.81 29.58 10 10 10 26 13 32 0.00  
23 36 31 25 25 21 15 81 64 47 30.05 29.78 29.56 10 10 8 24 14 31 T Snow
24 34 24 14 18 14 10 88 67 45 30.20 30.12 30.01 10 10 10 17 10 20 0.00  
25 38 29 20 23 19 12 75 64 52 30.00 29.89 29.80 10 10 10 23 12 30 0.00  
26 30 23 16 23 18 12 84 76 68 30.29 30.13 29.92 10 10 10 14 10 20 0.00  
27 35 23 11 20 13 7 88 64 40 30.34 30.28 30.23 10 10 10 13 5 13 0.00  
28 40 29 17 23 18 10 81 66 50 30.32 30.26 30.23 10 10 10 22 8 28 0.00