Weather History for Great Falls, MT

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Week of April 21, 2013 through April 27, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 72 °F 54 °F 27 °F
Mean Temperature 61 °F 42 °F 23 °F
Min Temperature 51 °F 29 °F 10 °F
Degree Days  
Heating Degree Days (base 65) 42 23 4 161
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 11 3 0 18
Dew Point  
Dew Point 34 °F 24 °F 10 °F
Precipitation  
Precipitation 0.21 in 0.04 in 0.00 in 0.30 in
Snowdepth 5.0 in 1.5 in 0.0 in -
Wind  
Wind 39 mph 14 mph 0 mph
Gust Wind 47 mph 29 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 30.14 in 29.78 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Apr. 21, 2013 Rise Set
Actual Time 6:25 AM MDT 8:23 PM MDT
Civil Twilight 5:52 AM MDT 8:56 PM MDT
Nautical Twilight 5:11 AM MDT 9:37 PM MDT
Astronomical Twilight 4:26 AM MDT 10:23 PM MDT
Moon 3:56 PM MDT (4/21) 4:07 AM MDT (4/21)
Length of Visible Light 15h 04m
Length of Day
13h 58m
Waxing Gibbous, 80% of the Moon is Illuminated
Apr 21
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First Quarter

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
21 27 24 20 27 21 18 100 91 81 30.48 30.23 30.09 10 3 0 18 9 21 0.21 Fog , Snow
22 35 23 10 19 16 10 92 65 38 30.63 30.53 30.30 10 10 10 13 6 16 0.00  
23 49 35 21 24 19 14 77 53 29 30.44 30.28 30.21 10 10 10 21 12 26 0.00  
24 59 44 28 34 28 20 100 62 23 30.31 30.17 29.91 10 6 1 28 14 37 0.09 Snow
25 66 52 37 28 24 22 60 39 18 29.99 29.86 29.78 10 10 10 26 15 36 0.00  
26 72 55 38 32 29 28 64 42 20 30.06 30.02 29.97 10 10 10 28 16 36 0.00  
27 71 61 51 32 28 23 48 33 17 30.00 29.89 29.78 10 10 6 39 23 47 0.00