Weather History for Lewistown, MT

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 94 °F 83 °F 70 °F
Mean Temperature 76 °F 68 °F 61 °F
Min Temperature 58 °F 52 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 4 1 0 18
Cooling Degree Days (base 65) 11 3 0 104
Growing Degree Days (base 50) 25 17 10 532
Dew Point  
Dew Point 60 °F 49 °F 33 °F
Precipitation  
Precipitation 1.20 in 0.08 in 0.00 in 2.20 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 41 mph 7 mph 0 mph
Gust Wind 55 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.22 in 29.97 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 10, 2013 Rise Set
Actual Time 6:08 AM MDT 8:36 PM MDT
Civil Twilight 5:34 AM MDT 9:10 PM MDT
Nautical Twilight 4:51 AM MDT 9:53 PM MDT
Astronomical Twilight 4:02 AM MDT 10:41 PM MDT
Moon 10:18 AM MDT (8/10) 9:58 PM MDT (8/10)
Length of Visible Light 15h 35m
Length of Day
14h 27m
Waxing Crescent, 14% of the Moon is Illuminated
Aug 10
Waxing Crescent
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New

Weather History Calendar

Precipitation Actual month total 2.20 Normal Month Total: 1.73
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
77 | 54 0.25
Average:
83 | 52 0.05
Rain
Actual:
70 | 52 1.20
Average:
83 | 52 0.06
Rain
Actual:
72 | 49 0.09
Average:
83 | 52 0.05
Scattered Clouds
Actual:
77 | 48 0.00
Average:
83 | 52 0.06
Rain
Actual:
81 | 50 T
Average:
83 | 52 0.05
Scattered Clouds
Actual:
77 | 46 0.00
Average:
83 | 51 0.05
Scattered Clouds
Actual:
78 | 51 0.00
Average:
83 | 51 0.06
Scattered Clouds
Actual:
77 | 50 T
Average:
83 | 51 0.05
Rain
Actual:
76 | 53 0.03
Average:
83 | 51 0.06
Clear
Actual:
81 | 51 0.00
Average:
83 | 51 0.06
Clear
Actual:
78 | 55 0.00
Average:
82 | 51 0.06
Rain
Actual:
84 | 51 0.49
Average:
82 | 51 0.06
Rain
Actual:
80 | 52 T
Average:
82 | 51 0.05
Scattered Clouds
Actual:
82 | 53 0.00
Average:
82 | 50 0.06
Clear
Actual:
89 | 50 0.00
Average:
81 | 50 0.07
Clear
Actual:
94 | 57 0.00
Average:
81 | 50 0.06
Clear
Actual:
87 | 53 0.00
Average:
81 | 50 0.05
Rain
Actual:
87 | 55 0.03
Average:
81 | 50 0.06
Clear
Actual:
91 | 49 0.00
Average:
80 | 49 0.06
Clear
Actual:
85 | 48 0.00
Average:
80 | 49 0.05
Clear
Actual:
79 | 48 0.00
Average:
80 | 49 0.06
Clear
Actual:
88 | 53 0.00
Average:
79 | 49 0.05
Rain
Actual:
87 | 58 0.04
Average:
79 | 48 0.05
Clear
Actual:
84 | 58 0.00
Average:
79 | 48 0.06
Clear
Actual:
88 | 54 0.00
Average:
78 | 48 0.05
Rain
Actual:
88 | 58 T
Average:
78 | 47 0.06
Clear
Actual:
86 | 52 0.00
Average:
78 | 47 0.05
Rain
Actual:
91 | 54 0.07
Average:
77 | 47 0.06
Clear
Actual:
90 | 52 0.00
Average:
77 | 47 0.05
Rain
Actual:
87 | 55 T
Average:
76 | 46 0.06
Clear
Actual:
76 | 47 0.00
Average:
76 | 46 0.05
 

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
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 77 66 54 57 50 45 100 69 38 30.08 29.98 29.90 10 9 2 22 10 29 0.25 Rain
2 70 61 52 57 54 52 100 84 67 30.09 29.98 29.88 10 8 0 21 8 31 1.20 Fog , Rain
3 72 61 49 59 54 47 100 79 57 30.15 30.09 30.01 10 9 1 28 6 37 0.09 Rain
4 77 63 48 54 50 46 96 67 38 30.09 30.03 29.99 10 10 10 13 5 16 0.00  
5 81 66 50 54 47 38 93 57 21 30.02 29.93 29.83 10 10 10 21 9 29 T Rain
6 77 62 46 49 46 40 93 60 27 30.03 29.98 29.94 10 10 10 18 7 26 0.00  
7 78 65 51 54 50 46 89 63 36 30.02 29.97 29.93 10 10 10 16 9 23 0.00  
8 77 64 50 55 51 48 93 68 43 30.10 30.04 29.99 10 10 10 16 6 21 T  
9 76 65 53 57 51 46 80 62 43 30.14 30.09 30.05 10 10 10 23 10 29 0.03 Rain
10 81 66 51 56 53 50 96 68 39 30.06 30.02 29.98 10 10 10 10 5 14 0.00  
11 78 67 55 60 56 50 93 73 52 30.11 30.02 29.99 10 10 10 14 7 17 0.00  
12 84 68 51 60 52 46 89 67 45 30.22 30.06 29.99 10 8 1 39 9 45 0.49 Rain
13 80 66 52 57 52 44 89 65 40 30.17 30.08 30.02 10 10 10 29 7 35 T Rain
14 82 68 53 56 50 44 89 60 30 30.06 30.01 29.96 10 10 10 23 5 26 0.00  
15 89 70 50 51 47 41 89 55 20 30.01 29.97 29.92 10 10 10 14 6 17 0.00  
16 94 76 57 54 44 33 62 37 12 29.92 29.87 29.80 10 10 10 18 6 22 0.00  
17 87 70 53 55 48 44 77 52 27 29.99 29.92 29.87 10 10 10 13 5 23 0.00  
18 87 71 55 57 49 45 80 53 25 30.01 29.93 29.86 10 10 8 25 5 32 0.03 Rain
19 91 70 49 47 41 34 71 43 14 29.94 29.88 29.80 10 10 10 22 5 28 0.00  
20 85 67 48 49 43 35 71 48 25 29.94 29.89 29.85 10 10 8 12 6 16 0.00  
21 79 64 48 45 41 37 71 48 24 30.10 30.05 29.94 10 10 10 14 7 18 0.00  
22 88 71 53 56 51 44 83 57 30 30.06 29.97 29.85 10 10 10 15 7 20 0.00  
23 87 73 58 57 51 43 84 54 23 29.88 29.79 29.73 10 10 6 41 7 55 0.04 Rain
24 84 71 58 55 50 46 78 53 28 29.88 29.82 29.74 10 10 10 13 5 17 0.00  
25 88 71 54 48 44 39 67 43 18 29.95 29.88 29.84 10 10 10 14 6 20 0.00  
26 88 73 58 52 46 41 67 44 20 29.95 29.89 29.84 10 10 9 26 6 39 T Rain
27 86 69 52 52 48 44 89 57 25 30.01 29.93 29.88 10 10 10 18 7 24 0.00  
28 91 73 54 60 51 43 93 59 24 29.98 29.89 29.81 10 10 8 35 6 45 0.07 Rain
29 90 71 52 55 48 43 93 57 21 30.06 29.99 29.91 10 10 10 23 6 29 0.00  
30 87 71 55 55 50 46 86 57 27 30.11 29.96 29.88 10 10 10 22 5 28 T Rain
31 76 62 47 44 41 37 71 49 27 30.12 30.08 30.00 10 10 10 13 7 18 0.00