Weather History for Mt. Washington, NH

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 47 °F 32 °F
Mean Temperature 53 °F 42 °F 28 °F
Min Temperature 48 °F 36 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 37 23 12 699
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 3 0 0 5
Dew Point  
Dew Point 55 °F 36 °F -9 °F
Precipitation  
Precipitation 1.77 in 0.21 in 0.00 in 6.32 in
Snowdepth - - - -
Wind  
Wind 67 mph 27 mph 0 mph
Gust Wind 81 mph 38 mph 16 mph
Sea Level Pressure  
Sea Level Pressure - - -

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 12, 2012 Rise Set
Actual Time 6:21 AM EDT 7:00 PM EDT
Civil Twilight 5:52 AM EDT 7:29 PM EDT
Nautical Twilight 5:17 AM EDT 8:04 PM EDT
Astronomical Twilight 4:41 AM EDT 8:40 PM EDT
Moon 2:28 AM EDT (9/12) 4:51 PM EDT (9/12)
Length of Visible Light 13h 37m
Length of Day
12h 39m
Waning Crescent, 14% of the Moon is Illuminated
Sep 12
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 6.32 Average Month Total: 3.54
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
50 | 44 0.00
Average:
50 | 40 0.10
Rain
Actual:
46 | 41 0.05
Average:
50 | 40 0.10
Fog
Actual:
51 | 39 0.00
Average:
49 | 40 0.11
Rain
Actual:
53 | 48 0.19
Average:
49 | 39 0.11
Rain
Actual:
55 | 46 0.53
Average:
49 | 39 0.11
Fog
Actual:
55 | 46 0.00
Average:
49 | 39 0.11
Fog
Actual:
55 | 46 0.00
Average:
49 | 39 0.11
Thunderstorm
Actual:
55 | 42 1.64
Average:
48 | 39 0.12
Rain
Actual:
46 | 35 0.02
Average:
48 | 38 0.12
Fog
Actual:
35 | 30 0.00
Average:
48 | 38 0.12
Fog
Actual:
44 | 28 0.00
Average:
47 | 38 0.12
Scattered Clouds
Actual:
55 | 39 0.00
Average:
47 | 37 0.12
Scattered Clouds
Actual:
60 | 46 0.00
Average:
47 | 37 0.13
Fog
Actual:
57 | 48 0.00
Average:
46 | 37 0.13
Rain
Actual:
46 | 30 0.24
Average:
46 | 36 0.13
Fog
Actual:
33 | 23 0.00
Average:
45 | 36 0.13
Fog
Actual:
46 | 32 0.00
Average:
45 | 35 0.13
Rain
Actual:
51 | 41 1.77
Average:
45 | 35 0.13
Rain
Actual:
51 | 28 0.39
Average:
44 | 34 0.13
Scattered Clouds
Actual:
41 | 28 0.00
Average:
44 | 34 0.12
Partly Cloudy
Actual:
53 | 35 0.00
Average:
44 | 33 0.12
Fog
Actual:
51 | 44 0.36
Average:
43 | 33 0.12
Rain
Actual:
44 | 30 0.00
Average:
43 | 32 0.12
Snow
Actual:
32 | 26 0.00
Average:
42 | 32 0.12
Fog
Actual:
42 | 28 0.00
Average:
42 | 31 0.12
Rain
Actual:
42 | 37 0.24
Average:
41 | 30 0.12
Rain
Actual:
39 | 24 0.00
Average:
40 | 29 0.11
Rain
Actual:
39 | 32 0.21
Average:
40 | 29 0.11
Fog
Actual:
44 | 37 0.08
Average:
39 | 28 0.11
Rain
Actual:
39 | 33 0.60
Average:
38 | 27 0.11
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 50 47 44 50 44 39 100 89 76 - - - 10 3 0 39 24 50 0.00 Fog
2 46 44 41 45 42 37 100 91 71 - - - 20 3 0 28 17 - 0.05 Fog , Rain
3 51 45 39 50 43 37 100 88 71 - - - 5 2 0 29 15 23 0.00 Fog
4 53 50 48 54 52 45 100 99 87 - - - 0 0 0 28 20 23 0.19 Fog , Rain
5 55 50 46 55 51 46 100 99 93 - - - 0 0 0 43 25 58 0.53 Fog , Rain
6 55 50 46 52 49 41 100 94 67 - - - 2 0 0 40 13 46 0.00 Fog
7 55 50 46 52 47 41 100 87 67 - - - 0 0 0 38 28 50 0.00 Fog
8 55 50 42 55 51 41 100 99 87 - - - 0 0 0 61 35 75 1.64 Fog , Rain , Thunderstorm
9 46 40 35 43 35 10 100 85 29 - - - 0 0 0 58 34 62 0.02 Fog , Rain
10 35 32 30 36 32 30 100 100 100 - - - 0 0 0 50 38 69 0.00 Fog
11 44 36 28 34 19 -2 100 55 14 - - - 0 0 0 45 33 51 0.00 Fog
12 55 47 39 42 37 27 95 68 38 - - - 1 1 1 30 22 28 0.00  
13 60 53 46 48 33 9 77 48 14 - - - - - - 34 23 25 0.00  
14 57 52 48 52 44 27 100 77 35 - - - 0 0 0 37 15 41 0.00 Fog
15 46 39 30 46 36 30 100 97 76 - - - 0 0 0 62 45 71 0.24 Fog , Rain
16 33 28 23 30 24 14 100 83 59 - - - 3 0 0 67 54 81 0.00 Fog
17 46 39 32 45 32 0 100 74 20 - - - 10 2 0 39 30 43 0.00 Fog
18 51 46 41 52 44 36 100 97 76 - - - 1 0 0 62 39 72 1.77 Fog , Rain
19 51 40 28 52 33 21 100 92 69 - - - 1 0 0 59 42 67 0.39 Fog , Rain
20 41 34 28 32 22 1 87 64 25 - - - - - - 25 14 30 0.00  
21 53 44 35 37 26 -9 93 50 9 - - - - - - 18 14 22 0.00  
22 51 48 44 48 41 14 100 82 24 - - - 0 0 0 41 27 53 0.36 Fog
23 44 37 30 45 33 28 100 96 75 - - - 0 0 0 46 31 58 0.00 Fog , Rain
24 32 29 26 32 27 21 100 93 80 - - - 15 2 0 39 20 32 0.00 Fog , Snow
25 42 35 28 34 30 25 100 80 53 - - - 0 0 0 52 38 53 0.00 Fog
26 42 40 37 43 38 21 100 91 45 - - - 0 0 0 50 34 59 0.24 Fog , Rain
27 39 32 24 39 22 -4 100 76 17 - - - 15 3 0 59 34 55 0.00 Fog , Rain
28 39 34 32 39 30 0 100 87 22 - - - 0 0 0 25 18 26 0.21 Fog , Rain
29 44 40 37 45 40 37 100 100 100 - - - 0 0 0 24 10 28 0.08 Fog
30 39 36 33 39 38 34 100 100 96 - - - 1 0 0 43 23 - 0.60 Fog , Rain