Weather History for Lewistown, MT

Change the Weather History Date:

Month of October, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 59 °F 41 °F
Mean Temperature 69 °F 47 °F 32 °F
Min Temperature 48 °F 34 °F 19 °F
Degree Days  
Heating Degree Days (base 65) 33 18 0 570
Cooling Degree Days (base 65) 4 0 0 5
Growing Degree Days (base 50) 21 2 0 77
Dew Point  
Dew Point 50 °F 31 °F 10 °F
Precipitation  
Precipitation 1.13 in 0.10 in 0.00 in 2.58 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 38 mph 9 mph 0 mph
Gust Wind 48 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 29.97 in 29.38 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Oct. 12, 2011 Rise Set
Actual Time 7:31 AM MDT 6:36 PM MDT
Civil Twilight 7:00 AM MDT 7:07 PM MDT
Nautical Twilight 6:25 AM MDT 7:42 PM MDT
Astronomical Twilight 5:50 AM MDT 8:17 PM MDT
Moon 6:32 PM MDT (10/12) 8:16 AM MDT (10/12)
Length of Visible Light 12h 06m
Length of Day
11h 04m
Full, 100% of the Moon is Illuminated
Oct 12
Full
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter
Nov 10
Full

Weather History Calendar

Precipitation Actual month total 2.58 Normal Month Total: 1.13
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
90 | 48 T
Average:
62 | 35 0.05
Clear
Actual:
79 | 46 0.00
Average:
62 | 35 0.04
Clear
Actual:
84 | 47 0.00
Average:
62 | 35 0.05
Scattered Clouds
Actual:
79 | 47 0.00
Average:
61 | 34 0.04
Rain
Actual:
75 | 43 0.14
Average:
61 | 34 0.04
Rain
Actual:
52 | 43 0.62
Average:
61 | 34 0.04
Rain
Actual:
47 | 40 1.13
Average:
60 | 34 0.04
Rain
Actual:
52 | 39 0.01
Average:
60 | 33 0.04
Clear
Actual:
61 | 33 0.00
Average:
59 | 33 0.04
Partly Cloudy
Actual:
62 | 31 T
Average:
59 | 33 0.04
Partly Cloudy
Actual:
62 | 44 0.01
Average:
59 | 32 0.04
Scattered Clouds
Actual:
57 | 37 0.00
Average:
58 | 32 0.04
Scattered Clouds
Actual:
52 | 35 0.00
Average:
58 | 32 0.04
Partly Cloudy
Actual:
49 | 29 T
Average:
58 | 31 0.04
Rain
Actual:
47 | 27 0.19
Average:
57 | 31 0.04
Rain
Actual:
50 | 27 0.03
Average:
57 | 31 0.04
Scattered Clouds
Actual:
52 | 29 0.00
Average:
56 | 31 0.04
Clear
Actual:
58 | 27 0.00
Average:
56 | 30 0.03
Clear
Actual:
69 | 31 0.00
Average:
56 | 30 0.04
Scattered Clouds
Actual:
63 | 35 0.00
Average:
55 | 30 0.03
Rain
Actual:
57 | 36 T
Average:
55 | 29 0.04
Partly Cloudy
Actual:
62 | 42 0.00
Average:
54 | 29 0.03
Partly Cloudy
Actual:
61 | 40 0.00
Average:
54 | 29 0.03
Rain
Actual:
48 | 31 0.42
Average:
54 | 28 0.03
Snow
Actual:
41 | 27 0.02
Average:
53 | 28 0.03
Snow
Actual:
45 | 19 0.01
Average:
53 | 28 0.03
Mostly Cloudy
Actual:
45 | 27 0.00
Average:
52 | 28 0.03
Scattered Clouds
Actual:
52 | 21 0.00
Average:
52 | 27 0.03
Partly Cloudy
Actual:
52 | 27 T
Average:
51 | 27 0.03
Clear
Actual:
63 | 24 0.00
Average:
51 | 27 0.02
Partly Cloudy
Actual:
56 | 29 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

2011 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 90 69 48 36 33 29 54 33 11 29.98 29.87 29.77 10 10 10 25 12 32 T  
2 79 63 46 46 39 35 65 44 23 29.96 29.91 29.87 10 10 10 15 6 20 0.00  
3 84 66 47 40 35 24 71 42 12 30.01 29.89 29.73 10 10 10 17 9 24 0.00  
4 79 63 47 47 39 33 80 53 25 29.71 29.63 29.56 10 10 10 24 9 29 0.00  
5 75 59 43 50 43 39 96 64 31 29.60 29.50 29.38 10 10 2 24 8 37 0.14 Rain
6 52 48 43 50 47 42 100 93 86 29.64 29.53 29.39 10 8 2 16 10 22 0.62 Rain
7 47 44 40 45 42 39 100 93 86 30.04 29.71 29.53 10 8 2 30 16 38 1.13 Rain
8 52 46 39 39 37 33 100 75 50 30.29 30.19 30.02 10 10 10 13 5 15 0.01 Rain
9 61 47 33 34 32 29 85 59 32 30.20 30.02 29.88 10 10 10 24 7 30 0.00  
10 62 47 31 40 33 28 92 63 34 29.87 29.75 29.60 10 10 10 20 5 24 T  
11 62 53 44 39 35 28 66 48 29 29.85 29.67 29.58 10 10 10 29 15 35 0.01  
12 57 47 37 32 28 24 70 50 30 30.03 29.98 29.86 10 10 10 26 12 37 0.00  
13 52 44 35 29 25 21 59 45 30 30.10 30.04 30.00 10 10 10 21 10 26 0.00  
14 49 39 29 34 28 24 79 59 39 30.15 30.08 29.93 10 10 10 14 5 16 T  
15 47 37 27 38 34 26 100 73 45 30.20 30.01 29.88 10 9 5 17 7 22 0.19 Rain
16 50 39 27 40 32 24 93 70 46 30.20 30.10 30.02 10 10 5 12 4 13 0.03 Rain
17 52 41 29 34 28 23 100 66 32 30.34 30.27 30.14 10 10 10 18 9 24 0.00  
18 58 43 27 30 26 21 92 58 24 30.45 30.34 30.19 10 10 10 9 5 14 0.00  
19 69 50 31 31 24 14 75 44 13 30.14 29.94 29.82 10 10 10 14 7 20 0.00  
20 63 49 35 38 34 30 82 58 34 30.02 29.93 29.84 10 10 10 22 7 29 0.00  
21 57 47 36 39 36 34 92 70 47 30.14 30.09 30.02 10 10 10 16 6 20 T Rain
22 62 52 42 36 33 27 70 49 27 30.09 30.00 29.91 10 10 10 29 14 35 0.00  
23 61 51 40 36 31 23 76 50 23 30.04 29.97 29.92 10 10 10 30 12 40 0.00  
24 48 40 31 41 36 29 96 79 62 30.13 29.98 29.88 10 10 7 28 6 38 0.42 Rain
25 41 34 27 31 28 25 92 78 64 30.40 30.27 30.14 10 8 2 21 7 25 0.02 Snow
26 45 32 19 28 23 17 100 71 33 30.39 30.24 30.03 10 8 1 21 8 25 0.01 Snow
27 45 36 27 23 20 18 75 60 44 30.25 30.09 29.99 10 10 10 23 10 33 0.00  
28 52 37 21 23 16 10 84 52 19 30.27 30.10 29.75 10 10 10 22 9 28 0.00  
29 52 40 27 31 20 11 70 45 19 30.14 29.94 29.71 10 10 10 38 15 48 T  
30 63 44 24 32 25 19 81 53 25 30.19 30.04 29.84 10 10 10 22 10 28 0.00  
31 56 43 29 36 30 23 72 55 38 30.11 29.87 29.75 10 10 10 31 14 41 0.00