Weather History for Helena, MT

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Month of March, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 71 °F 53 °F 36 °F
Mean Temperature 54 °F 41 °F 27 °F
Min Temperature 43 °F 29 °F 16 °F
Degree Days  
Heating Degree Days (base 65) 38 24 11 736
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 6 0 0 14
Dew Point  
Dew Point 43 °F 25 °F 9 °F
Precipitation  
Precipitation 0.25 in 0.03 in 0.00 in 0.89 in
Snowdepth 2.0 in 0.1 in 0.0 in -
Wind  
Wind 38 mph 8 mph 0 mph
Gust Wind 51 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.59 in 29.85 in 29.30 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Mar. 24, 2012 Rise Set
Actual Time 7:21 AM MDT 7:46 PM MDT
Civil Twilight 6:51 AM MDT 8:17 PM MDT
Nautical Twilight 6:16 AM MDT 8:53 PM MDT
Astronomical Twilight 5:39 AM MDT 9:30 PM MDT
Moon 7:52 AM MDT (3/24) 10:22 PM MDT (3/24)
Length of Visible Light 13h 25m
Length of Day
12h 24m
Waxing Crescent, 4% of the Moon is Illuminated
Mar 24
Waxing Crescent
Mar 30
First Quarter
Apr 6
Full
Apr 13
Last Quarter
Apr 21
New

Weather History Calendar

Precipitation Actual month total 0.89 Normal Month Total: 0.59
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
37 | 16 0.00
Average:
43 | 20 0.01
Partly Cloudy
Actual:
36 | 25 0.00
Average:
43 | 20 0.02
Mostly Cloudy
Actual:
47 | 31 0.00
Average:
44 | 20 0.01
Scattered Clouds
Actual:
58 | 43 0.00
Average:
44 | 21 0.02
Scattered Clouds
Actual:
61 | 32 0.00
Average:
44 | 21 0.01
Snow
Actual:
40 | 20 0.12
Average:
45 | 21 0.02
Clear
Actual:
38 | 22 0.00
Average:
45 | 22 0.02
Clear
Actual:
43 | 20 0.00
Average:
45 | 22 0.01
Clear
Actual:
68 | 29 0.00
Average:
46 | 22 0.02
Clear
Actual:
66 | 26 0.00
Average:
46 | 23 0.02
Partly Cloudy
Actual:
61 | 28 T
Average:
47 | 23 0.01
Partly Cloudy
Actual:
54 | 28 0.00
Average:
47 | 23 0.02
Snow
Actual:
61 | 29 T
Average:
47 | 24 0.02
Partly Cloudy
Actual:
49 | 27 0.00
Average:
48 | 24 0.02
Partly Cloudy
Actual:
64 | 26 0.00
Average:
48 | 24 0.01
Rain
Actual:
56 | 32 0.02
Average:
48 | 24 0.02
Rain
Actual:
52 | 31 0.12
Average:
49 | 25 0.02
Snow
Actual:
38 | 29 0.25
Average:
49 | 25 0.02
Snow
Actual:
37 | 26 0.16
Average:
49 | 25 0.02
Partly Cloudy
Actual:
46 | 20 0.00
Average:
50 | 26 0.02
Snow
Actual:
63 | 32 T
Average:
50 | 26 0.02
Clear
Actual:
67 | 39 0.00
Average:
50 | 26 0.02
Snow
Actual:
42 | 31 0.15
Average:
51 | 26 0.02
Snow
Actual:
39 | 29 0.00
Average:
51 | 27 0.02
Partly Cloudy
Actual:
49 | 30 0.00
Average:
51 | 27 0.03
Rain
Actual:
54 | 30 T
Average:
52 | 27 0.02
Scattered Clouds
Actual:
61 | 31 0.00
Average:
52 | 28 0.02
Thunderstorm
Actual:
60 | 33 0.05
Average:
52 | 28 0.03
Scattered Clouds
Actual:
60 | 26 0.00
Average:
53 | 28 0.02
Scattered Clouds
Actual:
65 | 43 0.00
Average:
53 | 28 0.03
Rain
Actual:
71 | 36 0.02
Average:
53 | 29 0.02
 

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

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Mar high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 37 27 16 15 12 9 80 60 39 30.09 29.89 29.67 10 10 10 23 10 31 0.00  
2 36 31 25 17 13 9 68 50 32 30.23 30.19 30.10 10 10 10 26 17 37 0.00  
3 47 39 31 28 24 18 59 52 45 30.21 30.13 30.05 10 10 10 26 12 36 0.00  
4 58 51 43 28 23 17 53 39 24 30.20 30.08 29.92 10 10 10 24 11 30 0.00  
5 61 47 32 29 20 16 64 42 19 29.94 29.67 29.40 10 10 10 25 10 33 0.00  
6 40 30 20 34 22 12 100 74 47 30.13 29.74 29.45 10 8 1 23 9 30 0.12 Snow
7 38 30 22 16 12 9 68 50 32 30.45 30.23 30.12 10 10 10 25 15 33 0.00  
8 43 32 20 24 19 16 77 58 39 30.59 30.51 30.46 10 10 9 16 2 21 0.00  
9 68 49 29 26 21 13 78 46 14 30.43 30.22 30.03 10 10 7 13 2 17 0.00  
10 66 46 26 24 21 19 75 47 19 30.03 29.86 29.71 10 10 10 14 4 17 0.00  
11 61 45 28 29 24 19 78 49 20 29.78 29.64 29.44 10 10 10 38 9 51 T  
12 54 41 28 28 21 17 75 52 29 29.93 29.77 29.63 10 10 10 22 7 29 0.00  
13 61 45 29 27 22 13 64 42 20 29.83 29.57 29.30 10 9 2 38 10 51 T Snow
14 49 38 27 30 22 15 89 63 37 30.02 29.92 29.79 10 10 10 18 6 24 0.00  
15 64 45 26 34 30 25 92 60 27 30.01 29.88 29.70 10 10 10 23 8 31 0.00  
16 56 44 32 39 34 31 89 64 38 29.74 29.65 29.53 10 10 9 26 8 35 0.02 Rain
17 52 42 31 40 34 30 96 79 62 29.69 29.50 29.34 10 9 2 31 5 37 0.12 Rain
18 38 34 29 34 30 28 100 85 70 29.56 29.43 29.30 10 6 0 21 7 28 0.25 Fog , Snow
19 37 32 26 29 25 14 100 76 51 29.90 29.59 29.44 10 4 0 26 12 35 0.16 Fog , Snow
20 46 33 20 25 18 11 77 58 39 29.92 29.83 29.65 10 10 10 23 10 32 0.00  
21 63 48 32 31 29 27 85 59 32 29.97 29.89 29.82 10 10 8 20 6 28 T Snow
22 67 53 39 33 29 22 64 42 19 29.89 29.80 29.72 10 10 10 24 10 40 0.00  
23 42 37 31 32 29 26 100 78 55 30.23 29.98 29.85 10 7 0 18 6 23 0.15 Fog , Snow
24 39 34 29 32 29 27 100 88 76 30.28 30.19 30.03 10 8 2 7 2 9 0.00 Snow
25 49 40 30 34 31 28 100 78 56 30.17 29.96 29.79 10 7 1 7 1 12 0.00  
26 54 42 30 38 32 28 100 77 53 29.89 29.65 29.50 10 5 0 20 5 25 T Fog , Rain
27 61 46 31 28 23 18 70 45 19 29.99 29.91 29.81 10 10 10 21 7 28 0.00  
28 60 47 33 36 31 27 79 55 30 29.96 29.82 29.69 10 10 5 37 6 47 0.05 Rain , Thunderstorm
29 60 43 26 29 25 20 92 57 21 29.99 29.85 29.69 10 10 10 25 9 31 0.00  
30 65 54 43 37 30 27 71 49 26 29.70 29.59 29.49 10 10 10 29 15 40 0.00  
31 71 54 36 43 36 30 92 57 22 29.69 29.53 29.35 10 10 10 25 5 36 0.02 Rain