Weather History for Great Falls, MT

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Week of September 22, 2013 through September 28, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 70 °F 59 °F 50 °F
Mean Temperature 58 °F 51 °F 44 °F
Min Temperature 46 °F 42 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 21 14 7 101
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 3 0 19
Dew Point  
Dew Point 48 °F 37 °F 26 °F
Precipitation  
Precipitation 0.15 in 0.07 in 0.00 in 0.40 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 37 mph 13 mph 0 mph
Gust Wind 44 mph 27 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.09 in 29.81 in 29.53 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 24, 2013 Rise Set
Actual Time 7:15 AM MDT 7:18 PM MDT
Civil Twilight 6:44 AM MDT 7:49 PM MDT
Nautical Twilight 6:08 AM MDT 8:24 PM MDT
Astronomical Twilight 5:31 AM MDT 9:01 PM MDT
Moon 10:17 PM MDT (9/24) 12:54 PM MDT (9/24)
Length of Visible Light 13h 04m
Length of Day
12h 03m
Waning Gibbous, 72% of the Moon is Illuminated
Sep 24
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
22 70 58 46 48 39 32 71 52 32 29.64 29.58 29.53 10 10 10 24 8 30 T Rain
23 63 54 45 38 32 27 65 46 27 29.88 29.78 29.64 10 10 10 37 19 44 0.00  
24 60 53 46 46 39 31 93 67 40 29.88 29.81 29.73 10 10 5 18 9 23 0.14 Rain
25 50 46 41 45 43 39 100 88 76 29.89 29.78 29.72 10 8 0 23 11 30 0.15 Fog , Rain
26 50 44 37 41 36 29 100 73 46 30.09 29.99 29.85 10 9 3 18 10 24 0.11 Rain
27 59 46 32 48 31 26 100 66 31 30.08 29.95 29.84 10 10 1 26 15 36 0.00  
28 61 53 45 39 36 34 65 53 40 29.87 29.78 29.62 10 10 10 30 20 37 0.00