Weather History for Lewistown, MT

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Week of January 13, 2013 through January 19, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 45 °F 35 °F 15 °F
Mean Temperature 39 °F 27 °F 8 °F
Min Temperature 33 °F 18 °F 0 °F
Degree Days  
Heating Degree Days (base 65) 57 38 26 266
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 27 °F 17 °F -3 °F
Precipitation  
Precipitation 0.08 in 0.02 in 0.00 in 0.10 in
Snowdepth 9.0 in 5.8 in 0.0 in -
Wind  
Wind 33 mph 13 mph 0 mph
Gust Wind 37 mph 27 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.37 in 30.12 in 29.87 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Jan. 19, 2013 Rise Set
Actual Time 7:56 AM MST 5:01 PM MST
Civil Twilight 7:22 AM MST 5:35 PM MST
Nautical Twilight 6:44 AM MST 6:13 PM MST
Astronomical Twilight 6:08 AM MST 6:49 PM MST
Moon 11:34 AM MST (1/19) 1:28 AM MST (1/19)
Length of Visible Light 10h 13m
Length of Day
9h 05m
First Quarter, 58% of the Moon is Illuminated
Jan 19
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
13 15 8 0 9 5 -3 87 80 73 30.31 30.18 30.01 10 6 1 17 10 25 T Snow
14 26 17 8 25 11 0 92 73 53 30.23 30.05 29.88 10 5 1 21 13 25 0.08 Snow
15 39 32 25 27 24 21 92 76 59 30.14 30.03 29.90 10 7 1 31 20 37 0.02 Snow
16 39 31 22 23 19 17 75 60 44 30.35 30.22 30.10 10 10 10 25 11 31 0.00  
17 43 32 21 24 20 15 74 57 39 30.37 30.21 29.97 10 10 10 33 16 37 0.00  
18 45 39 33 23 20 17 56 47 37 30.03 29.94 29.87 10 10 10 24 14 29 0.00  
19 39 30 20 23 19 14 88 63 37 30.34 30.20 30.04 10 10 10 23 7 30 0.00