Weather History for Mt. Washington, NH

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Month of December, 2010

  Max Avg Min Sum
Temperature  
Max Temperature 35 °F 15 °F -4 °F
Mean Temperature 29 °F 10 °F -8 °F
Min Temperature 26 °F 4 °F -14 °F
Degree Days  
Heating Degree Days (base 65) 72 55 36 1713
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 36 °F 4 °F -47 °F
Precipitation  
Precipitation 2.59 in 0.21 in 0.00 in 6.47 in
Snowdepth 22.0 in 13.2 in 3.0 in -
Wind  
Wind 81 mph 29 mph 0 mph
Gust Wind 96 mph 45 mph 17 mph
Sea Level Pressure  
Sea Level Pressure - - -

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 08, 2010 Rise Set
Actual Time 7:08 AM EST 4:06 PM EST
Civil Twilight 6:35 AM EST 4:39 PM EST
Nautical Twilight 5:58 AM EST 5:15 PM EST
Astronomical Twilight 5:23 AM EST 5:50 PM EST
Moon 9:31 AM EST (12/8) 7:07 PM EST (12/8)
Length of Visible Light 10h 04m
Length of Day
8h 58m
Waxing Crescent, 10% of the Moon is Illuminated
Dec 8
Waxing Crescent
Dec 13
First Quarter
Dec 21
Full
Dec 27
Last Quarter
Jan 4
New

Weather History Calendar

Precipitation Actual month total 6.47 Average Month Total: 3.47
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Snow
Actual:
30 | 26 0.01
Average:
19 | 7 0.11
Snow
Actual:
30 | 10 0.04
Average:
19 | 6 0.11
Snow
Actual:
12 | 8 0.02
Average:
19 | 6 0.11
Snow
Actual:
15 | 8 0.15
Average:
19 | 6 0.11
Fog
Actual:
19 | 10 0.00
Average:
19 | 6 0.11
Snow
Actual:
10 | -2 0.27
Average:
19 | 6 0.11
Snow
Actual:
1 | -4 0.03
Average:
19 | 6 0.11
Snow
Actual:
-4 | -9 0.00
Average:
19 | 6 0.11
Snow
Actual:
-4 | -11 0.01
Average:
19 | 6 0.11
Snow
Actual:
12 | -4 0.03
Average:
19 | 6 0.11
Snow
Actual:
23 | 5 0.05
Average:
19 | 6 0.12
Snow
Actual:
32 | 15 2.59
Average:
19 | 6 0.12
Snow
Actual:
35 | 19 0.85
Average:
19 | 6 0.12
Snow
Actual:
21 | 6 0.20
Average:
19 | 5 0.12
Snow
Actual:
10 | -11 0.08
Average:
18 | 5 0.12
Snow
Actual:
0 | -13 0.01
Average:
18 | 4 0.12
Snow
Actual:
3 | -2 0.03
Average:
17 | 4 0.12
Snow
Actual:
12 | 5 0.00
Average:
17 | 3 0.12
Snow
Actual:
15 | 3 0.00
Average:
16 | 3 0.12
Snow
Actual:
14 | 6 0.00
Average:
16 | 2 0.12
Snow
Actual:
17 | 10 0.15
Average:
15 | 2 0.12
Snow
Actual:
14 | 6 0.50
Average:
15 | 1 0.11
Snow
Actual:
15 | 6 0.26
Average:
14 | 1 0.11
Snow
Actual:
17 | 10 0.00
Average:
14 | 0 0.11
Partly Cloudy
Actual:
21 | 14 0.00
Average:
14 | 0 0.11
Snow
Actual:
17 | 5 0.20
Average:
14 | 0 0.11
Snow
Actual:
6 | -13 0.99
Average:
14 | 0 0.10
Snow
Actual:
3 | -14 0.00
Average:
14 | 0 0.10
Snow
Actual:
17 | 0 0.00
Average:
13 | 0 0.10
Partly Cloudy
Actual:
24 | 17 0.00
Average:
13 | 0 0.10
Fog
Actual:
35 | 23 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

2010 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 30 28 26 30 29 27 100 100 100 - - - 0 0 0 69 52 81 0.01 Fog , Rain , Snow
2 30 20 10 30 15 9 100 99 85 - - - 0 0 0 21 14 34 0.04 Fog , Snow
3 12 10 8 12 11 9 100 100 100 - - - 0 0 0 26 15 31 0.02 Fog , Snow
4 15 12 8 16 13 9 100 100 100 - - - 0 0 0 32 17 41 0.15 Fog , Snow
5 19 14 10 16 12 9 100 93 80 - - - 0 0 0 9 5 - 0.00 Fog
6 10 4 -2 7 0 -2 100 99 85 - - - 0 0 0 62 30 68 0.27 Fog , Snow
7 1 -2 -4 1 -2 -4 100 100 100 - - - 0 0 0 50 41 55 0.03 Fog , Snow
8 -4 -6 -9 -4 -6 -9 100 100 100 - - - 0 0 0 40 33 46 0.00 Fog , Snow
9 -4 -8 -11 -6 -10 -22 100 90 46 - - - 15 2 0 39 22 36 0.01 Fog , Snow
10 12 4 -4 7 -16 -47 100 45 9 - - - 4 1 0 40 23 51 0.03 Fog , Snow
11 23 14 5 16 8 -6 100 79 28 - - - 0 0 0 47 38 52 0.05 Fog , Snow
12 32 24 15 32 21 9 100 90 54 - - - 0 0 0 68 39 74 2.59 Fog , Rain , Snow
13 35 28 19 36 29 19 100 100 100 - - - 0 0 0 50 34 62 0.85 Fog , Rain , Snow
14 21 14 6 21 9 1 100 88 62 - - - 0 0 0 25 16 30 0.20 Fog , Snow
15 10 0 -11 5 -12 -18 100 81 60 - - - 20 6 0 37 19 44 0.08 Fog , Snow
16 0 -6 -13 0 -7 -18 100 96 65 - - - 10 1 0 32 21 24 0.01 Fog , Snow
17 3 0 -2 3 -1 -8 100 94 78 - - - 0 0 0 43 25 37 0.03 Fog , Snow
18 12 8 5 10 7 1 100 96 67 - - - 0 0 0 22 12 - 0.00 Fog , Snow
19 15 9 3 5 -3 -15 100 60 27 - - - 0 0 0 15 10 - 0.00 Fog , Snow
20 14 10 6 12 1 -17 100 69 25 - - - 0 0 0 39 16 47 0.00 Fog , Snow
21 17 14 10 18 14 10 100 100 100 - - - 0 0 0 43 35 55 0.15 Fog , Snow
22 14 10 6 14 10 7 100 100 100 - - - 0 0 0 41 33 46 0.50 Fog , Snow
23 15 10 6 14 9 -4 100 91 45 - - - 0 0 0 44 31 50 0.26 Fog , Snow
24 17 14 10 7 -4 -18 73 47 19 - - - - - - 43 33 48 0.00 Snow
25 21 18 14 9 1 -15 73 49 25 - - - - - - 31 17 37 0.00  
26 17 11 5 7 -12 -29 100 42 12 - - - 0 0 0 70 15 79 0.20 Fog , Snow
27 6 -4 -13 7 -3 -13 100 100 100 - - - 0 0 0 67 54 74 0.99 Fog , Snow
28 3 -6 -14 -4 -11 -18 100 84 36 - - - 0 0 0 81 64 96 0.00 Fog , Snow
29 17 8 0 14 3 -15 100 91 43 - - - 0 0 0 69 49 83 0.00 Fog , Snow
30 24 20 17 7 -1 -9 58 40 26 - - - - - - 54 43 56 0.00  
31 35 29 23 34 30 23 100 100 93 - - - 0 0 0 52 45 58 0.00 Fog