Weather History for Helena, MT

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Month of February, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 51 °F 26 °F -5 °F
Mean Temperature 40 °F 17 °F -15 °F
Min Temperature 32 °F 7 °F -26 °F
Degree Days  
Heating Degree Days (base 65) 80 47 0 1322
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 34 °F 7 °F -33 °F
Precipitation  
Precipitation 0.41 in 0.09 in 0.00 in 1.98 in
Snowdepth 11.0 in 4.1 in 0.0 in -
Wind  
Wind 39 mph 7 mph 0 mph
Gust Wind 58 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.96 in 30.12 in 29.48 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Feb. 09, 2014 Rise Set
Actual Time 7:40 AM MST 5:44 PM MST
Civil Twilight 7:09 AM MST 6:15 PM MST
Nautical Twilight 6:33 AM MST 6:51 PM MST
Astronomical Twilight 5:58 AM MST 7:26 PM MST
Moon 1:20 PM MST (2/9) 3:55 AM MST (2/9)
Length of Visible Light 11h 06m
Length of Day
10h 03m
Waxing Gibbous, 77% of the Moon is Illuminated
Feb 9
Waxing Gibbous
Feb 14
Full
Feb 22
Last Quarter
Mar 1
New
Mar 8
First Quarter

Weather History Calendar

Precipitation Actual month total 1.98 Normal Month Total: 0.30
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
23 | 4 0.00
Average:
36 | 15 0.01
Overcast
Actual:
19 | 4 0.00
Average:
36 | 15 0.01
Snow
Actual:
17 | 1 0.14
Average:
36 | 15 0.01
Snow
Actual:
2 | -11 0.01
Average:
36 | 15 0.01
Snow
Actual:
-2 | -21 T
Average:
36 | 16 0.01
Clear
Actual:
-5 | -26 0.00
Average:
37 | 16 0.01
Snow
Actual:
6 | -18 T
Average:
37 | 16 0.01
Snow
Actual:
13 | -3 0.20
Average:
37 | 16 0.01
Snow
Actual:
13 | 2 0.20
Average:
37 | 16 0.01
Snow
Actual:
21 | 6 T
Average:
37 | 16 0.01
Snow
Actual:
40 | 4 0.02
Average:
38 | 16 0.01
Scattered Clouds
Actual:
50 | 19 T
Average:
38 | 16 0.01
Snow
Actual:
45 | 28 0.03
Average:
38 | 16 0.01
Partly Cloudy
Actual:
42 | 28 T
Average:
38 | 17 0.01
Scattered Clouds
Actual:
46 | 28 0.00
Average:
39 | 17 0.01
Snow
Actual:
47 | 32 0.02
Average:
39 | 17 0.01
Snow
Actual:
51 | 28 T
Average:
39 | 17 0.01
Partly Cloudy
Actual:
48 | 32 0.00
Average:
39 | 17 0.01
Snow
Actual:
44 | 26 0.05
Average:
40 | 17 0.01
Snow
Actual:
39 | 24 0.01
Average:
40 | 18 0.01
Snow
Actual:
34 | 18 0.17
Average:
40 | 18 0.02
Snow
Actual:
23 | 12 0.06
Average:
41 | 18 0.01
Snow
Actual:
15 | 4 0.41
Average:
41 | 18 0.01
Snow
Actual:
11 | 3 0.34
Average:
41 | 19 0.01
Snow
Actual:
19 | -5 0.08
Average:
41 | 19 0.01
Clear
Actual:
12 | -12 0.00
Average:
42 | 19 0.02
Snow
Actual:
25 | -1 0.12
Average:
42 | 19 0.01
Snow
Actual:
20 | -3 0.12
Average:
43 | 20 0.01
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 23 14 4 8 5 1 80 66 52 30.32 30.26 30.22 10 10 10 12 4 14 0.00  
2 19 12 4 10 7 1 87 74 61 30.27 30.19 30.09 10 10 10 8 3 9 0.00  
3 17 9 1 10 3 -7 83 73 63 30.50 30.12 29.89 10 3 0 20 10 24 0.14 Snow
4 2 -4 -11 -7 -14 -18 71 60 49 30.86 30.65 30.31 10 8 2 21 9 23 0.01 Snow
5 -2 -11 -21 -18 -21 -25 70 56 41 30.96 30.83 30.50 10 10 5 13 7 15 T Snow
6 -5 -15 -26 -18 -25 -33 82 67 52 30.79 30.57 30.30 10 10 6 7 1 7 0.00  
7 6 -6 -18 -8 -14 -24 83 69 54 30.29 30.13 29.79 10 9 2 5 1 6 T Snow
8 13 5 -3 2 -2 -7 86 68 50 30.47 30.18 29.83 10 4 1 15 7 18 0.20 Snow
9 13 8 2 3 -1 -4 86 74 61 30.38 30.19 30.02 10 4 1 9 3 10 0.20 Snow
10 21 14 6 11 6 1 88 72 56 30.37 30.27 30.05 10 8 2 8 1 9 T Snow
11 40 22 4 31 17 2 84 61 38 30.23 30.05 29.80 10 8 1 36 9 46 0.02 Snow
12 50 35 19 33 21 10 0 0 0 30.12 29.82 29.65 10 10 10 0 0 0 T  
13 45 37 28 34 25 17 78 61 44 30.06 29.86 29.71 10 9 2 37 15 49 0.03 Rain , Snow
14 42 35 28 31 24 16 76 58 40 30.09 29.93 29.77 10 10 10 25 9 33 T  
15 46 37 28 32 26 20 82 60 38 30.07 29.90 29.63 10 10 10 25 7 33 0.00  
16 47 40 32 34 22 10 82 59 35 30.06 29.77 29.48 10 10 8 31 14 44 0.02 Rain , Snow
17 51 40 28 30 17 12 64 44 23 30.04 29.76 29.58 10 10 7 39 14 58 T Snow
18 48 40 32 21 18 15 52 42 31 30.03 29.85 29.55 10 10 10 28 11 38 0.00  
19 44 35 26 32 20 12 64 51 38 30.03 29.75 29.51 10 8 1 35 17 44 0.05 Snow
20 39 32 24 28 21 11 85 64 43 30.16 29.93 29.75 10 7 1 25 10 32 0.01 Snow
21 34 26 18 27 22 9 100 77 53 30.16 29.91 29.80 10 5 0 22 10 28 0.17 Fog , Snow
22 23 18 12 18 13 8 91 74 57 30.25 30.12 29.98 10 5 1 12 4 14 0.06 Snow
23 15 10 4 11 4 0 88 77 66 30.38 30.15 30.03 8 2 0 14 9 17 0.41 Fog , Snow
24 11 7 3 7 0 -4 86 76 66 30.57 30.29 30.06 8 2 0 13 4 15 0.34 Snow
25 19 7 -5 10 1 -10 84 57 30 30.69 30.48 30.18 10 7 1 15 6 17 0.08 Snow
26 12 0 -12 -1 -7 -17 92 75 58 30.60 30.44 30.22 10 10 2 8 1 8 0.00  
27 25 12 -1 22 10 -3 88 77 66 30.18 29.88 29.62 10 5 1 15 3 21 0.12 Snow
28 20 9 -3 12 -2 -12 79 73 66 30.42 30.10 29.86 10 3 1 20 13 24 0.12 Snow