Weather History for Portsmouth, NH

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Month of October, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 60 °F 42 °F
Mean Temperature 70 °F 53 °F 36 °F
Min Temperature 57 °F 45 °F 29 °F
Degree Days  
Heating Degree Days (base 65) 30 12 0 387
Cooling Degree Days (base 65) 4 0 0 8
Growing Degree Days (base 50) 20 5 0 158
Dew Point  
Dew Point 64 °F 44 °F 22 °F
Precipitation  
Precipitation 2.12 in 0.25 in 0.00 in 7.77 in
Snowdepth 5.0 in 3.5 in 2.0 in -
Wind  
Wind 24 mph 7 mph 0 mph
Gust Wind 36 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 29.96 in 29.27 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 21, 2011 Rise Set
Actual Time 7:03 AM EDT 5:51 PM EDT
Civil Twilight 6:34 AM EDT 6:20 PM EDT
Nautical Twilight 6:01 AM EDT 6:53 PM EDT
Astronomical Twilight 5:28 AM EDT 7:26 PM EDT
Moon 12:40 AM EDT (10/21) 2:42 PM EDT (10/21)
Length of Visible Light 11h 45m
Length of Day
10h 47m
Waning Crescent, 34% of the Moon is Illuminated
Oct 21
Waning Crescent
Oct 26
New
Nov 2
First Quarter
Nov 10
Full
Nov 18
Last Quarter

Weather History Calendar

Precipitation Actual month total 7.77 Average Month Total: 5.39
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
64 | 55 0.05
Average:
63 | 43 0.12
Rain
Actual:
60 | 53 1.03
Average:
63 | 43 0.12
Rain
Actual:
66 | 54 0.03
Average:
62 | 43 0.12
Thunderstorm
Actual:
58 | 55 2.12
Average:
62 | 42 0.12
Partly Cloudy
Actual:
65 | 41 0.00
Average:
62 | 42 0.12
Scattered Clouds
Actual:
59 | 39 0.00
Average:
61 | 42 0.13
Partly Cloudy
Actual:
61 | 36 0.00
Average:
61 | 42 0.13
Scattered Clouds
Actual:
79 | 46 0.00
Average:
61 | 42 0.13
Scattered Clouds
Actual:
84 | 54 0.00
Average:
60 | 42 0.13
Scattered Clouds
Actual:
82 | 57 0.00
Average:
60 | 42 0.13
Partly Cloudy
Actual:
63 | 46 0.00
Average:
60 | 41 0.13
Overcast
Actual:
58 | 46 0.00
Average:
59 | 41 0.13
Rain
Actual:
60 | 55 0.67
Average:
59 | 41 0.13
Rain
Actual:
64 | 57 0.65
Average:
58 | 40 0.13
Partly Cloudy
Actual:
65 | 53 0.00
Average:
58 | 40 0.13
Partly Cloudy
Actual:
64 | 52 0.00
Average:
57 | 40 0.64
Rain
Actual:
63 | 51 0.01
Average:
57 | 39 0.13
Partly Cloudy
Actual:
63 | 45 0.00
Average:
56 | 39 0.12
Rain
Actual:
57 | 45 0.92
Average:
56 | 39 0.12
Rain
Actual:
67 | 53 0.64
Average:
56 | 38 0.64
Partly Cloudy
Actual:
62 | 47 0.00
Average:
56 | 38 0.64
Mostly Cloudy
Actual:
59 | 46 0.00
Average:
55 | 38 0.12
Partly Cloudy
Actual:
57 | 40 0.00
Average:
55 | 37 0.12
Rain
Actual:
58 | 37 0.00
Average:
55 | 37 0.12
Rain
Actual:
58 | 44 0.00
Average:
54 | 37 0.12
Rain
Actual:
47 | 41 0.00
Average:
54 | 37 0.12
Snow
Actual:
45 | 33 0.87
Average:
54 | 37 0.12
Rain
Actual:
47 | 31 0.00
Average:
53 | 36 0.12
Snow
Actual:
42 | 29 0.54
Average:
53 | 36 0.12
Snow
Actual:
43 | 33 0.24
Average:
53 | 36 0.12
Partly Cloudy
Actual:
51 | 29 0.00
Average:
52 | 36 0.12
 

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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 64 60 55 64 62 55 100 98 92 29.79 29.68 29.61 10 4 0 16 5 22 0.05 Fog , Rain , Thunderstorm
2 60 56 53 60 57 53 100 99 94 29.92 29.86 29.81 10 2 1 15 11 23 1.03 Rain
3 66 60 54 58 55 50 100 88 57 30.08 30.04 29.92 10 8 2 12 4 - 0.03 Rain
4 58 56 55 57 55 53 100 95 88 30.05 29.95 29.89 10 7 1 13 7 18 2.12 Rain , Thunderstorm
5 65 54 41 54 44 27 95 69 39 30.19 29.98 29.88 10 10 10 23 10 31 0.00  
6 59 48 39 33 28 22 75 51 24 30.37 30.25 30.20 10 10 10 17 9 26 0.00  
7 61 48 36 42 36 28 87 66 32 30.46 30.41 30.37 10 10 10 9 2 - 0.00  
8 79 62 46 56 49 42 88 65 42 30.40 30.34 30.30 10 10 10 10 6 - 0.00  
9 84 69 54 54 51 48 90 60 29 30.30 30.25 30.19 10 10 10 10 5 - 0.00  
10 82 70 57 58 54 47 81 64 43 30.19 30.13 30.06 10 10 10 16 8 22 0.00  
11 63 54 46 50 47 44 96 78 52 30.27 30.23 30.17 10 10 10 9 3 - 0.00  
12 58 52 46 53 49 45 95 83 66 30.27 30.21 30.12 10 10 10 12 5 - 0.00  
13 60 58 55 60 57 52 100 96 82 30.11 29.91 29.79 10 3 1 16 10 23 0.67 Rain
14 64 60 57 64 61 57 100 99 94 29.79 29.57 29.28 10 2 0 16 7 23 0.65 Fog , Rain
15 65 58 53 61 45 37 100 63 42 29.61 29.48 29.27 10 10 10 21 14 36 0.00  
16 64 58 52 43 38 34 67 51 33 29.73 29.68 29.62 10 10 10 16 10 24 0.00  
17 63 57 51 50 40 31 88 58 30 29.69 29.63 29.54 10 10 8 17 8 25 0.01 Rain
18 63 54 45 43 39 36 90 63 41 29.96 29.83 29.70 10 10 10 12 5 - 0.00  
19 57 51 45 54 50 43 100 91 72 30.02 29.89 29.68 10 6 2 24 7 34 0.92 Rain
20 67 60 53 64 53 47 100 89 55 29.68 29.56 29.45 10 6 1 22 14 30 0.64 Rain
21 62 54 47 46 42 41 82 64 48 29.93 29.80 29.67 10 10 10 14 8 18 0.00  
22 59 53 46 44 42 38 81 68 51 30.05 29.99 29.94 10 10 10 10 6 - 0.00  
23 57 48 40 44 40 37 96 77 48 30.14 30.10 30.06 10 10 10 8 3 - 0.00  
24 58 48 37 47 42 36 97 79 56 30.15 30.05 29.91 10 10 7 10 3 - 0.00 Fog , Rain
25 58 52 44 47 39 30 95 66 41 29.94 29.88 29.82 10 10 8 22 9 30 0.00 Rain
26 47 44 41 40 36 31 81 70 58 29.96 29.87 29.77 10 10 10 15 8 - 0.00 Rain
27 45 39 33 42 37 32 94 90 83 29.88 29.78 29.72 10 6 2 13 6 - 0.87 Rain , Snow
28 47 38 31 34 28 24 100 71 43 30.26 30.09 29.88 10 10 7 16 8 22 0.00 Rain
29 42 36 29 32 29 26 95 80 57 30.27 30.12 29.85 10 6 1 21 7 28 0.54 Rain , Snow
30 43 38 33 32 30 26 93 77 55 30.26 29.94 29.73 10 7 1 24 17 30 0.24 Rain , Snow
31 51 40 29 34 29 25 85 69 41 30.41 30.37 30.28 10 10 10 8 4 - 0.00