Weather History for Lewistown, MT

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Month of July, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 98 °F 83 °F 71 °F
Mean Temperature 79 °F 67 °F 57 °F
Min Temperature 60 °F 51 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 8 1 0 32
Cooling Degree Days (base 65) 14 3 0 105
Growing Degree Days (base 50) 29 17 10 542
Dew Point  
Dew Point 61 °F 46 °F 20 °F
Precipitation  
Precipitation 0.46 in 0.03 in 0.00 in 0.77 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 40 mph 8 mph 0 mph
Gust Wind 53 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.10 in 29.87 in 29.49 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 04, 2011 Rise Set
Actual Time 5:28 AM MDT 9:15 PM MDT
Civil Twilight 4:48 AM MDT 9:55 PM MDT
Nautical Twilight 3:55 AM MDT 10:48 PM MDT
Astronomical Twilight 2:37 AM MDT 12:05 AM MDT
Moon 9:31 AM MDT (7/4) 11:02 PM MDT (7/4)
Length of Visible Light 17h 06m
Length of Day
15h 47m
Waxing Crescent, 14% of the Moon is Illuminated
Jul 4
Waxing Crescent
Jul 8
First Quarter
Jul 15
Full
Jul 22
Last Quarter
Jul 30
New

Weather History Calendar

Precipitation Actual month total 0.77 Normal Month Total: 2.10
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
71 | 42 0.00
Average:
76 | 48 0.08
Clear
Actual:
83 | 44 0.00
Average:
76 | 48 0.08
Thunderstorm
Actual:
90 | 49 T
Average:
77 | 48 0.08
Scattered Clouds
Actual:
81 | 51 0.00
Average:
77 | 48 0.08
Scattered Clouds
Actual:
81 | 54 0.00
Average:
77 | 48 0.08
Scattered Clouds
Actual:
82 | 54 0.00
Average:
78 | 48 0.08
Thunderstorm
Actual:
82 | 59 T
Average:
78 | 49 0.07
Rain
Actual:
81 | 54 0.02
Average:
78 | 49 0.07
Clear
Actual:
81 | 42 0.00
Average:
78 | 49 0.07
Clear
Actual:
79 | 43 0.00
Average:
79 | 49 0.07
Clear
Actual:
79 | 58 T
Average:
79 | 49 0.07
Thunderstorm
Actual:
88 | 55 0.18
Average:
79 | 49 0.07
Thunderstorm
Actual:
88 | 52 0.46
Average:
79 | 49 0.07
Thunderstorm
Actual:
74 | 52 0.04
Average:
79 | 49 0.07
Scattered Clouds
Actual:
82 | 47 0.00
Average:
80 | 50 0.07
Scattered Clouds
Actual:
87 | 52 T
Average:
80 | 50 0.07
Scattered Clouds
Actual:
88 | 59 0.00
Average:
80 | 50 0.07
Rain
Actual:
98 | 60 0.00
Average:
80 | 50 0.07
Thunderstorm
Actual:
96 | 58 0.03
Average:
80 | 50 0.06
Clear
Actual:
73 | 51 0.00
Average:
80 | 50 0.06
Clear
Actual:
80 | 43 0.00
Average:
81 | 50 0.06
Scattered Clouds
Actual:
72 | 51 0.00
Average:
81 | 50 0.06
Clear
Actual:
76 | 46 0.00
Average:
81 | 50 0.06
Clear
Actual:
86 | 44 0.00
Average:
81 | 50 0.06
Clear
Actual:
93 | 53 T
Average:
81 | 50 0.06
Thunderstorm
Actual:
80 | 54 0.04
Average:
81 | 50 0.06
Partly Cloudy
Actual:
76 | 54 T
Average:
81 | 51 0.06
Scattered Clouds
Actual:
77 | 50 T
Average:
81 | 51 0.06
Clear
Actual:
87 | 48 0.00
Average:
82 | 51 0.06
Clear
Actual:
90 | 48 0.00
Average:
82 | 51 0.06
Thunderstorm
Actual:
94 | 58 0.00
Average:
82 | 51 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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 71 57 42 47 40 30 77 53 29 30.08 30.03 30.01 10 10 10 15 6 21 0.00  
2 83 64 44 58 48 41 89 60 31 30.07 29.97 29.86 10 10 9 10 4 13 0.00  
3 90 70 49 57 50 43 86 53 19 29.88 29.80 29.68 10 10 10 29 7 37 T Rain , Thunderstorm
4 81 66 51 52 49 46 83 60 36 29.99 29.95 29.89 10 10 10 18 7 24 0.00  
5 81 68 54 55 52 46 86 61 36 30.06 30.02 29.97 10 10 10 12 4 14 0.00  
6 82 68 54 53 50 45 86 58 30 30.06 30.01 29.96 10 10 10 13 5 16 0.00  
7 82 71 59 61 54 47 67 54 40 30.04 29.86 29.70 10 10 10 15 8 22 T Rain , Thunderstorm
8 81 68 54 55 52 45 80 55 30 29.76 29.71 29.66 10 10 10 13 6 18 0.02 Rain
9 81 62 42 37 29 20 50 31 12 29.81 29.73 29.67 10 10 10 26 16 33 0.00  
10 79 61 43 43 36 25 70 44 18 29.90 29.87 29.83 10 10 10 16 7 37 0.00  
11 79 69 58 54 47 41 67 52 36 30.01 29.92 29.87 10 10 10 25 12 31 T  
12 88 72 55 58 54 48 87 58 29 30.01 29.87 29.76 10 10 6 38 8 44 0.18 Rain , Thunderstorm
13 88 70 52 61 56 51 100 66 31 29.94 29.78 29.65 10 9 2 29 6 39 0.46 Rain , Thunderstorm
14 74 63 52 58 53 49 100 75 49 29.89 29.77 29.73 10 10 9 21 7 28 0.04 Rain , Thunderstorm
15 82 65 47 55 48 44 86 57 28 29.84 29.77 29.72 10 10 10 23 6 25 0.00  
16 87 70 52 60 53 46 84 57 30 29.85 29.78 29.73 10 10 10 24 7 33 T  
17 88 74 59 60 57 52 90 62 34 29.96 29.88 29.84 10 10 10 23 12 30 0.00  
18 98 79 60 61 53 45 93 53 13 29.88 29.79 29.71 10 10 10 21 7 26 0.00 Rain
19 96 77 58 61 51 43 65 42 18 29.78 29.68 29.49 10 10 10 35 10 48 0.03 Rain , Thunderstorm
20 73 62 51 47 37 34 59 44 28 29.90 29.85 29.72 10 10 10 28 14 37 0.00  
21 80 62 43 43 38 33 76 48 19 29.90 29.81 29.76 10 10 10 16 6 24 0.00  
22 72 62 51 51 45 40 72 55 37 29.87 29.79 29.68 10 10 10 22 7 28 0.00  
23 76 61 46 49 38 32 71 46 21 30.07 30.00 29.90 10 10 10 13 7 22 0.00  
24 86 65 44 45 39 34 70 44 17 30.10 30.06 30.01 10 10 10 12 4 15 0.00  
25 93 73 53 53 46 42 67 43 18 30.01 29.83 29.67 10 10 9 40 12 53 T  
26 80 67 54 57 49 39 93 60 27 29.87 29.75 29.66 10 10 10 23 8 29 0.04 Rain , Thunderstorm
27 76 65 54 49 43 37 77 51 25 29.96 29.87 29.83 10 10 10 16 5 23 T  
28 77 64 50 49 43 38 77 52 26 30.07 30.02 29.96 10 10 10 13 7 20 T  
29 87 68 48 49 41 37 80 49 18 30.02 29.92 29.85 10 10 10 13 6 25 0.00  
30 90 69 48 46 41 35 66 41 15 30.05 29.98 29.89 10 10 10 31 7 41 0.00  
31 94 76 58 52 47 41 62 41 19 29.98 29.86 29.80 10 10 10 16 6 24 0.00 Thunderstorm