Helena, MT

10:54 AM MDT on March 28, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - January, 2011

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Month of January, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 50 °F 35 °F 5 °F
Mean Temperature 43 °F 27 °F -2 °F
Min Temperature 38 °F 18 °F -11 °F
Degree Days  
Heating Degree Days (base 65) 67 38 22 1188
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 37 °F 17 °F -16 °F
Precipitation  
Precipitation 0.07 in 0.01 in 0.00 in 0.22 in
Snowdepth 4.0 in 1.1 in 0.0 in -
Wind  
Wind 46 mph 7 mph 0 mph
Gust Wind 59 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.88 in 30.18 in 29.59 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Jan. 08, 2011 Rise Set
Actual Time 8:11 AM MST 4:58 PM MST
Civil Twilight 7:36 AM MST 5:32 PM MST
Nautical Twilight 6:58 AM MST 6:10 PM MST
Astronomical Twilight 6:22 AM MST 6:47 PM MST
Moon 10:03 AM MST (1/8) 9:54 PM MST (1/8)
Length of Visible Light 9h 56m
Length of Day
8h 47m
Waxing Crescent, 18% of the Moon is Illuminated
Jan 8
Waxing Crescent
Jan 12
First Quarter
Jan 19
Full
Jan 26
Last Quarter
Feb 2
New

Daily Weather History & Observations

2011 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  
1 10 2 -6 1 -5 -8 87 74 60 30.40 30.31 29.98 10 9 5 7 2 9 0.00  
2 27 18 8 14 9 3 92 72 52 30.30 30.25 30.03 10 10 8 17 4 23 0.00  
3 15 5 -5 9 1 -7 100 88 76 30.39 30.20 30.05 10 3 0 7 1 7 0.00 Fog
4 34 18 2 23 11 0 95 78 61 30.30 30.23 29.96 10 8 5 17 4 23 0.00  
5 43 37 31 27 24 22 78 69 59 30.25 30.19 29.96 10 10 10 24 11 30 0.00  
6 44 39 34 34 31 27 89 71 53 30.23 30.18 30.11 10 10 10 25 6 30 T Rain
7 42 36 30 33 32 30 100 85 70 30.20 30.02 29.82 10 10 5 14 3 18 T Rain
8 35 24 13 32 18 9 100 72 43 30.08 29.84 29.64 10 6 1 26 9 36 0.04 Snow
9 14 7 0 10 1 -5 92 78 63 30.53 30.17 29.89 10 6 1 15 10 18 0.02 Snow
10 8 1 -6 -2 -6 -11 87 69 50 30.72 30.60 30.30 10 8 4 8 3 10 T  
11 5 -2 -9 -3 -8 -13 87 75 62 30.77 30.69 30.58 10 10 8 6 0 7 0.00  
12 44 23 2 29 7 -2 87 74 61 30.57 30.33 30.15 10 9 5 29 2 37 0.00  
13 45 37 29 30 28 25 85 71 57 30.17 30.08 29.98 10 10 10 18 5 40 0.00  
14 49 41 32 32 30 28 70 60 49 30.19 30.14 30.04 10 10 10 17 4 26 0.00  
15 48 41 34 33 30 26 70 58 45 30.17 30.11 29.98 10 10 10 37 11 47 T Rain
16 50 42 33 37 34 29 89 75 60 29.96 29.76 29.59 10 10 8 46 9 59 0.03 Rain
17 47 43 38 37 33 27 85 69 53 29.92 29.77 29.64 10 10 8 38 15 49 0.01 Rain
18 43 33 23 27 22 18 81 61 40 30.12 29.97 29.82 10 10 4 25 9 32 T Snow
19 34 29 24 27 16 9 92 64 35 30.43 30.15 29.83 10 10 3 24 12 31 T Snow
20 37 29 21 23 14 5 64 52 39 30.44 30.21 29.92 10 10 10 32 10 45 0.00  
21 43 38 33 35 26 23 79 64 49 30.17 29.98 29.69 10 10 10 35 10 45 0.01 Rain
22 41 38 34 25 21 18 59 52 44 30.24 30.07 29.77 10 10 10 41 17 54 0.00  
23 44 37 30 29 21 15 72 55 37 30.26 30.09 29.96 10 10 10 28 8 39 T Rain
24 40 30 19 27 22 19 92 68 44 30.32 30.23 30.16 10 10 10 10 3 13 0.00  
25 47 38 28 31 28 26 92 73 53 30.38 30.25 30.04 10 10 10 24 7 30 0.00  
26 46 39 31 26 24 21 70 54 38 30.38 30.31 30.19 10 10 10 21 8 25 0.00  
27 45 37 29 26 24 21 78 59 40 30.32 30.23 30.03 10 10 9 14 4 18 0.00  
28 50 37 24 29 24 22 88 64 39 30.14 30.02 29.91 10 10 8 23 4 30 0.00  
29 41 27 12 29 17 7 88 74 59 30.20 30.03 29.95 10 5 1 18 8 26 0.07 Snow
30 12 3 -6 7 -4 -13 87 73 59 30.72 30.33 30.04 10 6 0 21 11 25 0.04 Snow
31 10 0 -11 -7 -11 -16 75 61 46 30.88 30.77 30.43 10 10 10 12 4 14 0.00