Weather History for Great Falls, MT

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Month of August, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 102 °F 88 °F 62 °F
Mean Temperature 78 °F 69 °F 54 °F
Min Temperature 60 °F 50 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 11 1 0 36
Cooling Degree Days (base 65) 13 6 0 172
Growing Degree Days (base 50) 28 19 6 598
Dew Point  
Dew Point 55 °F 39 °F 17 °F
Precipitation  
Precipitation 0.17 in 0.02 in 0.00 in 0.36 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 49 mph 8 mph 0 mph
Gust Wind 60 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 29.95 in 29.62 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 28, 2012 Rise Set
Actual Time 6:39 AM MDT 8:12 PM MDT
Civil Twilight 6:07 AM MDT 8:44 PM MDT
Nautical Twilight 5:28 AM MDT 9:23 PM MDT
Astronomical Twilight 4:45 AM MDT 10:05 PM MDT
Moon 6:23 PM MDT (8/28) 3:24 AM MDT (8/28)
Length of Visible Light 14h 37m
Length of Day
13h 32m
Waxing Gibbous, 91% of the Moon is Illuminated
Aug 28
Waxing Gibbous
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter

Weather History Calendar

Precipitation Actual month total 0.36 Normal Month Total: 1.57
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
88 | 56 0.01
Average:
86 | 53 0.04
Scattered Clouds
Actual:
84 | 49 T
Average:
86 | 53 0.04
Rain
Actual:
71 | 46 0.12
Average:
86 | 53 0.04
Clear
Actual:
84 | 47 0.00
Average:
85 | 53 0.04
Clear
Actual:
95 | 51 0.00
Average:
85 | 52 0.04
Scattered Clouds
Actual:
96 | 55 0.00
Average:
85 | 52 0.04
Clear
Actual:
97 | 59 0.00
Average:
85 | 52 0.05
Rain
Actual:
102 | 54 T
Average:
85 | 52 0.04
Clear
Actual:
94 | 60 0.00
Average:
85 | 52 0.05
Clear
Actual:
89 | 59 T
Average:
84 | 52 0.04
Rain
Actual:
88 | 60 0.01
Average:
84 | 52 0.06
Clear
Actual:
88 | 50 0.00
Average:
84 | 52 0.05
Clear
Actual:
91 | 53 0.00
Average:
84 | 51 0.05
Rain
Actual:
95 | 53 0.05
Average:
83 | 51 0.05
Rain
Actual:
62 | 46 0.17
Average:
83 | 51 0.05
Clear
Actual:
80 | 42 0.00
Average:
83 | 51 0.06
Clear
Actual:
86 | 45 0.00
Average:
83 | 51 0.05
Clear
Actual:
88 | 49 0.00
Average:
82 | 50 0.06
Clear
Actual:
93 | 49 0.00
Average:
82 | 50 0.05
Clear
Actual:
93 | 53 0.00
Average:
82 | 50 0.06
Rain
Actual:
96 | 57 T
Average:
81 | 50 0.05
Clear
Actual:
86 | 53 T
Average:
81 | 49 0.06
Clear
Actual:
89 | 45 0.00
Average:
80 | 49 0.05
Clear
Actual:
75 | 43 0.00
Average:
80 | 49 0.06
Clear
Actual:
78 | 39 0.00
Average:
80 | 49 0.06
Clear
Actual:
86 | 41 0.00
Average:
79 | 48 0.05
Rain
Actual:
96 | 53 T
Average:
79 | 48 0.06
Clear
Actual:
99 | 56 T
Average:
78 | 48 0.05
Clear
Actual:
83 | 52 0.00
Average:
78 | 47 0.06
Clear
Actual:
83 | 43 0.00
Average:
78 | 47 0.06
Clear
Actual:
90 | 46 T
Average:
77 | 47 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

2012 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 88 72 56 51 41 33 77 46 15 30.07 29.97 29.90 10 10 10 17 6 22 0.01 Rain
2 84 67 49 49 38 29 72 43 14 30.05 29.90 29.84 10 10 10 29 13 36 T  
3 71 59 46 46 43 37 93 63 33 30.15 30.08 30.02 10 10 4 22 9 26 0.12 Rain
4 84 66 47 45 40 35 82 50 18 30.18 30.10 30.00 10 10 10 13 7 17 0.00  
5 95 73 51 41 39 36 59 37 14 30.01 29.97 29.92 10 10 10 17 6 21 0.00  
6 96 76 55 46 41 36 51 32 12 30.03 29.99 29.96 10 10 10 26 7 32 0.00  
7 97 78 59 47 37 26 55 32 8 30.05 30.01 29.96 10 10 10 24 10 35 0.00  
8 102 78 54 50 38 31 47 29 11 30.04 29.98 29.85 10 10 9 44 7 53 T Rain
9 94 77 60 49 43 34 64 40 15 30.09 30.00 29.91 10 10 10 14 6 22 0.00  
10 89 74 59 47 42 36 55 36 16 29.93 29.87 29.79 10 10 10 24 9 30 T  
11 88 74 60 54 50 45 72 48 24 30.04 29.95 29.81 10 10 8 26 8 33 0.01 Rain
12 88 69 50 51 49 45 83 53 22 30.19 30.05 29.96 10 10 10 20 7 25 0.00  
13 91 72 53 51 46 40 77 48 19 29.98 29.91 29.82 10 10 10 14 7 16 0.00  
14 95 74 53 53 41 30 72 42 11 30.03 29.79 29.62 10 9 2 49 16 60 0.05 Rain
15 62 54 46 52 47 40 96 71 46 30.29 30.22 30.03 10 9 5 23 9 28 0.17 Rain
16 80 61 42 47 42 35 89 55 21 30.27 30.12 30.01 10 10 10 10 4 15 0.00  
17 86 66 45 45 37 29 82 48 13 30.09 30.06 30.03 10 10 10 13 6 16 0.00  
18 88 69 49 39 36 31 66 41 16 30.13 30.05 29.98 10 10 10 15 7 18 0.00  
19 93 71 49 37 35 31 59 36 13 30.05 29.92 29.85 10 10 10 13 6 18 0.00  
20 93 73 53 41 37 32 55 34 13 29.94 29.89 29.86 10 10 10 13 6 17 0.00  
21 96 77 57 55 43 37 84 49 14 29.91 29.84 29.68 10 10 7 43 9 56 T Rain
22 86 70 53 55 43 32 86 51 16 29.95 29.84 29.79 10 10 10 22 9 29 T  
23 89 67 45 35 30 23 65 38 10 29.86 29.77 29.68 10 10 9 31 12 39 0.00  
24 75 59 43 37 26 17 59 36 13 30.01 29.83 29.70 10 10 10 33 16 43 0.00  
25 78 59 39 35 28 19 70 41 12 30.02 29.96 29.90 10 10 10 15 9 18 0.00  
26 86 64 41 32 30 28 57 35 13 30.06 29.97 29.89 10 10 5 15 7 18 0.00  
27 96 75 53 54 42 33 63 39 14 30.06 29.93 29.86 10 9 2 32 7 44 T Rain
28 99 78 56 53 41 25 80 44 8 29.98 29.84 29.67 10 10 10 22 7 29 T  
29 83 68 52 36 30 23 45 29 12 29.95 29.82 29.69 10 10 6 28 11 36 0.00  
30 83 63 43 35 31 26 58 36 13 30.02 29.93 29.85 10 10 8 15 6 23 0.00  
31 90 68 46 41 33 28 49 32 15 29.91 29.81 29.68 10 10 9 28 9 35 T