History for Great Falls, MT

Week of September 23, 2012 through September 29, 2012 View Current Conditions
Week of September 23, 2012 through September 29, 2012
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  Max Avg Min Sum
Temperature
Max Temperature 83 °F 76 °F 66 °F
Mean Temperature 67 °F 60 °F 55 °F
Min Temperature 53 °F 43 °F 38 °F
Degree Days
Heating Degree Days (base 65) 10 5 0 37
Cooling Degree Days (base 65) 2 0 0 2
Growing Degree Days (base 50) 16 10 6 71
Dew Point
Dew Point 46 °F 37 °F 29 °F
Precipitation
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind
Wind 21 mph 6 mph 0 mph
Gust Wind 25 mph 20 mph 20 mph
Sea Level Pressure
Sea Level Pressure 30.20 in 30.01 in 29.84 in
Weekly Graph
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Date:
Astronomy
May. 19, 2013 Rise Set
Actual Time 7:22 AM MDT 7:07 PM MDT
Civil Twilight 6:51 AM MDT 7:38 PM MDT
Nautical Twilight 6:16 AM MDT 8:14 PM MDT
Astronomical Twilight 5:39 AM MDT 8:50 PM MDT
Moon 6:38 PM MDT (9/29) 6:59 AM MDT (9/29)
Length Of Visible Light 12h 46m
Length of Day
11h 45m
Full, 100% of the Moon is Illuminated
Sep 29
Full
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Daily Observations
2012 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  
23 71 57 43 37 35 33 65 46 27 30.10 30.06 29.98 10 10 10 9 4 9 0.00  
24 80 60 40 36 35 33 73 46 18 30.06 29.97 29.88 10 10 10 10 5 12 0.00  
25 78 63 46 40 37 33 60 42 24 29.98 29.90 29.88 10 9 7 10 7 - T  
26 66 55 44 46 44 40 83 64 45 30.17 30.12 30.06 10 10 10 8 5 14 0.00  
27 74 56 38 44 41 37 92 61 29 30.20 30.12 30.04 10 10 7 13 5 14 0.00  
28 83 62 40 40 35 29 76 46 15 30.05 29.94 29.84 10 9 6 13 3 14 0.00  
29 80 67 53 40 35 31 47 34 20 30.03 29.95 29.87 10 9 6 21 11 25 T  
Comma Delimited File