Weather History for Lewistown, MT

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Month of April, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 70 °F 48 °F 23 °F
Mean Temperature 57 °F 36 °F 18 °F
Min Temperature 45 °F 24 °F 7 °F
Degree Days  
Heating Degree Days (base 65) 47 29 8 859
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 7 0 0 9
Dew Point  
Dew Point 37 °F 23 °F 4 °F
Precipitation  
Precipitation 0.53 in 0.05 in 0.00 in 1.23 in
Snowdepth 4.0 in 0.5 in 0.0 in -
Wind  
Wind 47 mph 10 mph 0 mph
Gust Wind 64 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.56 in 29.99 in 29.38 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 25, 2013 Rise Set
Actual Time 6:11 AM MDT 8:20 PM MDT
Civil Twilight 5:38 AM MDT 8:54 PM MDT
Nautical Twilight 4:57 AM MDT 9:35 PM MDT
Astronomical Twilight 4:11 AM MDT 10:21 PM MDT
Moon 8:40 PM MDT (4/25) 5:57 AM MDT (4/25)
Length of Visible Light 15h 15m
Length of Day
14h 09m
Full, 100% of the Moon is Illuminated
Apr 25
Full
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First Quarter

Weather History Calendar

Precipitation Actual month total 1.23 Normal Month Total: 1.41
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
55 | 22 0.00
Average:
49 | 26 0.04
Clear
Actual:
67 | 24 0.00
Average:
49 | 26 0.04
Partly Cloudy
Actual:
57 | 35 T
Average:
50 | 27 0.04
Scattered Clouds
Actual:
52 | 28 0.00
Average:
50 | 27 0.04
Scattered Clouds
Actual:
60 | 37 0.00
Average:
50 | 27 0.05
Rain
Actual:
56 | 32 T
Average:
51 | 27 0.04
Snow
Actual:
49 | 23 0.53
Average:
51 | 28 0.04
Snow
Actual:
23 | 14 0.05
Average:
51 | 28 0.04
Scattered Clouds
Actual:
31 | 7 0.00
Average:
52 | 28 0.05
Scattered Clouds
Actual:
52 | 14 0.00
Average:
52 | 28 0.04
Snow
Actual:
50 | 34 0.04
Average:
52 | 28 0.04
Snow
Actual:
45 | 28 T
Average:
53 | 28 0.04
Rain
Actual:
48 | 30 T
Average:
53 | 29 0.04
Snow
Actual:
30 | 15 0.09
Average:
53 | 29 0.05
Snow
Actual:
28 | 8 0.03
Average:
54 | 29 0.04
Snow
Actual:
30 | 19 0.04
Average:
54 | 29 0.05
Snow
Actual:
32 | 16 T
Average:
54 | 29 0.04
Partly Cloudy
Actual:
48 | 14 0.00
Average:
54 | 30 0.04
Rain
Actual:
48 | 26 0.01
Average:
55 | 30 0.05
Rain
Actual:
55 | 31 0.11
Average:
55 | 30 0.05
Snow
Actual:
31 | 20 0.23
Average:
55 | 30 0.05
Snow
Actual:
33 | 17 0.02
Average:
56 | 31 0.05
Partly Cloudy
Actual:
47 | 13 0.02
Average:
56 | 31 0.05
Snow
Actual:
52 | 28 0.06
Average:
56 | 31 0.05
Partly Cloudy
Actual:
62 | 30 0.00
Average:
57 | 31 0.06
Clear
Actual:
70 | 31 0.00
Average:
57 | 32 0.05
Scattered Clouds
Actual:
68 | 45 0.00
Average:
57 | 32 0.06
Rain
Actual:
61 | 41 T
Average:
58 | 32 0.06
Partly Cloudy
Actual:
61 | 30 0.00
Average:
58 | 32 0.06
Snow
Actual:
39 | 19 T
Average:
58 | 33 0.06
 

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
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 55 39 22 25 22 19 81 55 28 30.19 30.13 30.04 10 10 10 21 9 26 0.00  
2 67 46 24 27 22 18 81 49 17 30.07 29.97 29.88 10 10 10 13 6 15 0.00  
3 57 46 35 32 29 26 70 54 38 30.10 30.02 29.88 10 10 10 21 9 29 T  
4 52 40 28 29 26 20 75 58 41 30.13 29.99 29.78 10 10 10 23 13 28 0.00  
5 60 49 37 34 28 21 76 50 24 29.78 29.69 29.64 10 10 10 29 13 38 0.00  
6 56 44 32 33 28 24 70 53 35 29.82 29.78 29.73 10 10 10 21 8 25 T Rain
7 49 36 23 36 30 24 100 70 39 29.84 29.70 29.60 10 7 0 20 10 24 0.53 Fog , Rain , Snow
8 23 19 14 23 14 10 96 79 62 30.45 30.10 29.80 10 3 1 18 9 23 0.05 Snow
9 31 19 7 16 12 4 92 75 58 30.56 30.45 30.28 10 10 10 12 5 14 0.00  
10 52 33 14 33 22 10 88 65 42 30.32 30.02 29.71 10 10 10 18 8 23 0.00  
11 50 42 34 36 33 28 92 69 46 29.96 29.86 29.73 10 10 8 25 11 35 0.04 Rain , Snow
12 45 37 28 30 25 17 100 67 33 30.13 29.98 29.69 10 9 2 20 10 26 T Snow
13 48 39 30 34 23 11 78 53 28 29.67 29.49 29.38 10 10 10 33 14 40 T Rain
14 30 23 15 25 21 14 92 85 78 30.06 29.82 29.63 10 3 0 21 13 30 0.09 Fog , Snow
15 28 18 8 21 18 7 92 84 75 30.25 30.05 29.92 10 4 0 13 6 16 0.03 Fog , Snow
16 30 25 19 20 18 15 100 79 58 30.39 30.21 30.07 10 6 1 16 7 20 0.04 Snow
17 32 24 16 21 17 14 92 78 63 30.42 30.30 30.22 10 6 1 16 7 18 T Snow
18 48 31 14 25 17 8 88 61 33 30.34 30.20 30.10 10 10 10 22 10 29 0.00  
19 48 37 26 37 29 22 86 63 39 30.07 29.92 29.79 10 10 10 16 6 25 0.01 Rain
20 55 43 31 36 32 27 92 65 38 29.98 29.87 29.80 10 10 7 32 11 45 0.11 Rain
21 31 26 20 31 22 19 100 88 75 30.38 30.16 29.98 10 3 0 17 8 22 0.23 Fog , Snow
22 33 25 17 21 18 13 92 69 45 30.53 30.39 30.24 10 6 1 12 4 14 0.02 Snow
23 47 30 13 27 17 9 80 54 28 30.40 30.23 30.08 10 10 10 26 10 37 0.02  
24 52 40 28 29 26 18 100 64 28 30.25 30.13 29.89 10 7 1 23 10 32 0.06 Snow
25 62 46 30 29 24 19 72 47 22 29.97 29.86 29.80 10 10 10 26 11 33 0.00  
26 70 51 31 31 27 23 75 46 17 30.07 30.02 29.97 10 10 10 21 9 26 0.00  
27 68 57 45 31 27 24 53 36 19 30.02 29.88 29.77 10 10 10 31 16 38 0.00  
28 61 51 41 35 31 27 56 42 27 29.95 29.84 29.71 10 10 10 23 9 29 T Rain
29 61 46 30 26 20 7 78 47 16 29.75 29.57 29.39 10 10 10 47 24 64 0.00  
30 39 29 19 27 21 15 85 65 44 30.37 29.97 29.77 10 9 2 23 10 29 T Snow