Weather History for Great Falls, MT

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Month of October, 2010

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 65 °F 44 °F
Mean Temperature 67 °F 51 °F 37 °F
Min Temperature 50 °F 37 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 28 14 0 427
Cooling Degree Days (base 65) 2 0 0 3
Growing Degree Days (base 50) 18 4 0 124
Dew Point  
Dew Point 54 °F 33 °F 17 °F
Precipitation  
Precipitation 0.23 in 0.02 in 0.00 in 0.46 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 33 mph 10 mph 0 mph
Gust Wind 63 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 30.00 in 29.25 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 09, 2010 Rise Set
Actual Time 7:35 AM MDT 6:48 PM MDT
Civil Twilight 7:04 AM MDT 7:19 PM MDT
Nautical Twilight 6:29 AM MDT 7:55 PM MDT
Astronomical Twilight 5:53 AM MDT 8:30 PM MDT
Moon 10:17 AM MDT (10/9) 7:29 PM MDT (10/9)
Length of Visible Light 12h 14m
Length of Day
11h 13m
Waxing Crescent, 5% of the Moon is Illuminated
Oct 9
Waxing Crescent
Oct 14
First Quarter
Oct 22
Full
Oct 30
Last Quarter
Nov 5
New

Weather History Calendar

Precipitation Actual month total 0.46 Normal Month Total: 0.93
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
71 | 38 0.00
Average:
64 | 37 0.04
Clear
Actual:
85 | 48 0.00
Average:
64 | 37 0.04
Clear
Actual:
87 | 45 0.00
Average:
64 | 37 0.03
Thunderstorm
Actual:
78 | 46 0.03
Average:
63 | 36 0.03
Rain
Actual:
54 | 39 0.23
Average:
63 | 36 0.03
Clear
Actual:
72 | 38 0.00
Average:
63 | 36 0.03
Clear
Actual:
75 | 50 0.00
Average:
62 | 36 0.03
Scattered Clouds
Actual:
66 | 49 0.00
Average:
62 | 35 0.03
Scattered Clouds
Actual:
70 | 45 0.00
Average:
61 | 35 0.03
Clear
Actual:
74 | 48 0.00
Average:
61 | 35 0.03
Rain
Actual:
62 | 33 0.19
Average:
61 | 35 0.03
Clear
Actual:
61 | 33 0.00
Average:
60 | 34 0.03
Clear
Actual:
70 | 43 0.00
Average:
60 | 34 0.03
Clear
Actual:
76 | 48 0.00
Average:
59 | 34 0.03
Clear
Actual:
67 | 28 0.00
Average:
59 | 34 0.03
Clear
Actual:
51 | 23 0.00
Average:
58 | 33 0.03
Clear
Actual:
57 | 28 0.00
Average:
58 | 33 0.03
Clear
Actual:
62 | 23 0.00
Average:
58 | 33 0.03
Clear
Actual:
67 | 37 0.00
Average:
57 | 32 0.03
Clear
Actual:
70 | 33 0.00
Average:
57 | 32 0.03
Clear
Actual:
75 | 38 0.00
Average:
56 | 32 0.03
Clear
Actual:
70 | 32 0.00
Average:
55 | 31 0.03
Rain
Actual:
55 | 36 T
Average:
55 | 31 0.03
Rain
Actual:
57 | 40 T
Average:
54 | 31 0.03
Rain
Actual:
53 | 38 T
Average:
54 | 30 0.03
Snow
Actual:
44 | 32 0.01
Average:
53 | 30 0.03
Partly Cloudy
Actual:
51 | 28 0.00
Average:
53 | 30 0.03
Clear
Actual:
56 | 26 0.00
Average:
52 | 29 0.03
Scattered Clouds
Actual:
60 | 32 0.00
Average:
51 | 29 0.03
Clear
Actual:
61 | 31 0.00
Average:
51 | 28 0.02
Clear
Actual:
59 | 41 0.00
Average:
50 | 28 0.02
 

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

2010 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 71 55 38 48 42 34 89 65 41 30.35 30.24 30.11 10 10 10 14 6 18 0.00  
2 85 67 48 47 41 33 71 44 16 30.10 29.98 29.90 10 10 10 16 8 21 0.00  
3 87 66 45 46 40 35 71 46 21 29.91 29.83 29.76 10 10 9 14 5 16 0.00  
4 78 62 46 54 46 40 93 64 35 29.88 29.80 29.74 10 10 5 30 4 37 0.03 Rain , Thunderstorm
5 54 47 39 53 47 39 100 93 86 30.43 30.26 29.91 10 8 2 25 8 31 0.23 Rain
6 72 55 38 51 46 37 100 74 47 30.42 30.22 29.99 10 9 2 13 6 16 0.00  
7 75 63 50 51 44 37 93 60 27 29.98 29.88 29.81 10 10 10 26 12 32 0.00  
8 66 58 49 44 42 40 80 61 42 30.10 29.98 29.87 10 10 10 18 11 22 0.00  
9 70 58 45 43 42 39 89 63 36 30.21 30.15 30.08 10 10 10 17 11 22 0.00  
10 74 61 48 49 45 40 71 56 41 30.15 30.02 29.89 10 10 10 23 14 30 0.00  
11 62 48 33 48 36 23 93 61 28 30.33 30.12 29.90 10 10 9 30 13 37 0.19 Rain
12 61 47 33 28 25 23 75 49 23 30.42 30.37 30.32 10 10 10 20 12 24 0.00  
13 70 57 43 26 23 21 49 33 16 30.35 30.25 30.17 10 10 10 24 14 30 0.00  
14 76 62 48 28 25 20 42 28 13 30.15 30.03 29.91 10 10 10 29 15 38 0.00  
15 67 48 28 31 27 20 85 52 19 30.28 29.99 29.85 10 10 10 32 15 43 0.00  
16 51 37 23 30 27 23 92 67 42 30.32 30.21 30.10 10 10 10 13 3 15 0.00  
17 57 43 28 30 26 23 85 57 28 30.24 30.19 30.14 10 10 10 10 5 13 0.00  
18 62 43 23 26 22 17 88 54 19 30.25 30.15 30.04 10 10 10 22 11 26 0.00  
19 67 52 37 32 27 21 59 43 26 30.15 30.07 29.99 10 10 10 23 13 29 0.00  
20 70 52 33 32 27 20 70 44 17 30.09 30.01 29.93 10 10 10 15 9 18 0.00  
21 75 57 38 30 27 22 57 37 17 29.91 29.84 29.76 10 10 10 21 10 24 0.00  
22 70 51 32 35 31 28 82 53 23 29.89 29.81 29.76 10 10 9 12 5 13 0.00  
23 55 46 36 43 36 31 83 67 50 29.84 29.81 29.77 10 10 2 10 5 13 T Rain
24 57 49 40 41 36 31 83 63 43 29.75 29.44 29.25 10 10 6 24 15 30 T Rain
25 53 46 38 32 26 21 64 47 30 29.62 29.48 29.27 10 10 10 29 15 36 T Rain
26 44 38 32 33 29 24 96 71 45 29.97 29.77 29.60 10 9 6 23 6 28 0.01 Rain , Snow
27 51 40 28 31 25 17 92 59 26 30.34 30.15 29.89 10 10 8 24 10 63 0.00  
28 56 41 26 25 21 20 75 51 26 30.30 30.17 29.98 10 10 10 23 10 30 0.00  
29 60 46 32 32 25 19 75 50 24 30.02 29.94 29.87 10 10 10 33 14 39 0.00  
30 61 46 31 33 30 27 85 59 32 30.02 29.92 29.81 10 10 10 20 10 24 0.00  
31 59 50 41 34 32 29 70 54 37 30.17 29.97 29.83 10 10 10 29 14 36 0.00