Weather History for Mt. Washington, NH

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 39 °F 22 °F 6 °F
Mean Temperature 36 °F 15 °F -2 °F
Min Temperature 32 °F 8 °F -14 °F
Degree Days  
Heating Degree Days (base 65) 66 50 30 1545
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 39 °F 9 °F -40 °F
Precipitation  
Precipitation 1.16 in 0.19 in 0.00 in 5.99 in
Snowdepth 22.0 in 8.7 in 1.0 in -
Wind  
Wind 105 mph 44 mph 2 mph
Gust Wind 124 mph 58 mph 22 mph
Sea Level Pressure  
Sea Level Pressure - - -

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 06, 2012 Rise Set
Actual Time 7:06 AM EST 4:06 PM EST
Civil Twilight 6:33 AM EST 4:39 PM EST
Nautical Twilight 5:57 AM EST 5:15 PM EST
Astronomical Twilight 5:22 AM EST 5:50 PM EST
Moon No Moon Rise 11:44 AM EST (12/6)
Length of Visible Light 10h 05m
Length of Day
8h 59m
Waning Gibbous, 49% of the Moon is Illuminated
Dec 6
Waning Gibbous
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 5.99 Average Month Total: 3.47
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Snow
Actual:
19 | 8 0.09
Average:
19 | 7 0.11
Snow
Actual:
33 | 19 0.33
Average:
19 | 6 0.11
Rain
Actual:
35 | 24 0.00
Average:
19 | 6 0.11
Fog
Actual:
39 | 32 0.00
Average:
19 | 6 0.11
Snow
Actual:
37 | 1 0.80
Average:
19 | 6 0.11
Snow
Actual:
26 | 1 0.01
Average:
19 | 6 0.11
Snow
Actual:
26 | 21 0.00
Average:
19 | 6 0.11
Snow
Actual:
32 | 24 0.01
Average:
19 | 6 0.11
Snow
Actual:
24 | 12 0.01
Average:
19 | 6 0.11
Snow
Actual:
33 | 10 0.91
Average:
19 | 6 0.11
Snow
Actual:
23 | 6 0.02
Average:
19 | 6 0.12
Snow
Actual:
10 | 6 0.00
Average:
19 | 6 0.12
Snow
Actual:
19 | 8 0.00
Average:
19 | 6 0.12
Snow
Actual:
17 | 10 0.00
Average:
19 | 5 0.12
Snow
Actual:
12 | 3 0.00
Average:
18 | 5 0.12
Snow
Actual:
23 | 10 0.24
Average:
18 | 4 0.12
Snow
Actual:
21 | 14 0.67
Average:
17 | 4 0.12
Snow
Actual:
24 | 21 0.00
Average:
17 | 3 0.12
Snow
Actual:
24 | 12 0.05
Average:
16 | 3 0.12
Fog
Actual:
28 | 12 0.00
Average:
16 | 2 0.12
Snow
Actual:
32 | 14 1.16
Average:
15 | 2 0.12
Snow
Actual:
14 | -5 0.50
Average:
15 | 1 0.11
Snow
Actual:
6 | -7 0.14
Average:
14 | 1 0.11
Snow
Actual:
19 | -4 0.00
Average:
14 | 0 0.11
Snow
Actual:
19 | 8 0.02
Average:
14 | 0 0.11
Snow
Actual:
24 | 8 0.03
Average:
14 | 0 0.11
Snow
Actual:
14 | 8 0.48
Average:
14 | 0 0.10
Snow
Actual:
12 | 0 0.00
Average:
14 | 0 0.10
Snow
Actual:
19 | 10 0.27
Average:
13 | 0 0.10
Snow
Actual:
12 | -14 0.25
Average:
13 | 0 0.10
Snow
Actual:
8 | -11 0.00
Average:
13 | 0 0.10
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 19 14 8 19 14 0 100 98 62 - - - 1 0 0 44 36 46 0.09 Fog , Snow
2 33 26 19 34 29 19 100 100 100 - - - 0 0 0 66 41 77 0.33 Fog , Rain , Snow
3 35 30 24 32 17 0 100 65 22 - - - 0 0 0 84 52 92 0.00 Fog , Rain
4 39 36 32 39 32 9 100 89 38 - - - 0 0 0 58 42 69 0.00 Fog
5 37 19 1 37 17 1 100 100 100 - - - 0 0 0 78 59 84 0.80 Fog , Rain , Snow
6 26 14 1 7 -9 -22 100 37 16 - - - 0 0 0 71 48 81 0.01 Fog , Snow
7 26 24 21 25 8 -17 100 60 17 - - - 0 0 0 45 31 55 0.00 Fog , Snow
8 32 28 24 32 29 25 100 98 80 - - - 0 0 0 76 29 82 0.01 Fog , Snow
9 24 18 12 25 0 -24 100 55 12 - - - 0 0 0 76 55 86 0.01 Fog , Snow
10 33 22 10 34 27 10 100 100 100 - - - 0 0 0 63 47 82 0.91 Fog , Rain , Snow
11 23 16 6 23 7 -6 100 79 45 - - - 0 0 0 55 44 63 0.02 Fog , Snow
12 10 7 6 10 5 1 100 90 73 - - - 0 0 0 53 38 58 0.00 Fog , Snow
13 19 14 8 10 -7 -40 100 51 7 - - - 0 0 0 38 27 41 0.00 Fog , Snow
14 17 14 10 16 8 -2 100 78 42 - - - 0 0 0 70 35 81 0.00 Fog , Snow
15 12 6 3 9 -11 -24 100 47 23 - - - 0 0 0 59 43 61 0.00 Fog , Snow
16 23 16 10 23 15 -8 100 89 41 - - - 0 0 0 36 30 38 0.24 Fog , Snow
17 21 18 14 21 19 14 100 100 100 - - - 0 0 0 40 32 48 0.67 Fog , Snow
18 24 22 21 25 24 21 100 100 100 - - - 0 0 0 68 46 85 0.00 Fog , Rain , Snow
19 24 19 12 25 17 12 100 100 93 - - - 1 0 0 45 28 50 0.05 Fog , Snow
20 28 20 12 16 6 -4 100 63 25 - - - 0 0 0 38 27 40 0.00 Fog
21 32 23 14 32 20 1 100 97 46 - - - 20 1 0 105 57 124 1.16 Fog , Rain , Snow
22 14 4 -5 14 4 -6 100 100 100 - - - 0 0 0 84 37 91 0.50 Fog , Snow
23 6 0 -7 7 0 -8 100 100 100 - - - 0 0 0 102 81 112 0.14 Fog , Snow
24 19 8 -4 3 -7 -36 100 71 8 - - - 0 0 0 76 59 84 0.00 Fog , Snow
25 19 14 8 19 -2 -24 100 57 14 - - - 4 1 0 58 23 52 0.02 Fog , Snow
26 24 17 8 10 1 -9 100 51 22 - - - 0 0 0 61 30 67 0.03 Fog , Snow
27 14 11 8 14 12 9 100 100 100 - - - 0 0 0 89 65 105 0.48 Fog , Snow
28 12 6 0 12 5 -2 100 93 67 - - - 0 0 0 64 51 78 0.00 Fog , Snow
29 19 14 10 19 7 -26 100 76 12 - - - 2 0 0 50 29 22 0.27 Fog , Snow
30 12 -1 -14 12 -5 -15 100 100 100 - - - 0 0 0 101 63 114 0.25 Fog , Snow
31 8 -2 -11 9 2 -11 100 100 100 - - - 0 0 0 100 79 110 0.00 Fog , Snow