Weather History for Portsmouth, NH

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Month of October, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 77 °F 62 °F 53 °F
Mean Temperature 66 °F 53 °F 41 °F
Min Temperature 58 °F 46 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 24 11 0 347
Cooling Degree Days (base 65) 1 0 0 1
Growing Degree Days (base 50) 16 4 0 136
Dew Point  
Dew Point 68 °F 47 °F 20 °F
Precipitation  
Precipitation 1.17 in 0.11 in 0.00 in 3.53 in
Snowdepth - - - -
Wind  
Wind 32 mph 7 mph 0 mph
Gust Wind 52 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 29.96 in 29.34 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 10, 2012 Rise Set
Actual Time 6:51 AM EDT 6:08 PM EDT
Civil Twilight 6:23 AM EDT 6:36 PM EDT
Nautical Twilight 5:50 AM EDT 7:09 PM EDT
Astronomical Twilight 5:17 AM EDT 7:42 PM EDT
Moon 1:16 AM EDT (10/10) 3:15 PM EDT (10/10)
Length of Visible Light 12h 13m
Length of Day
11h 16m
Waning Crescent, 27% of the Moon is Illuminated
Oct 10
Waning Crescent
Oct 15
New
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter

Weather History Calendar

Precipitation Actual month total 3.53 Average Month Total: 5.39
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
64 | 49 0.05
Average:
63 | 43 0.12
Rain
Actual:
70 | 54 0.00
Average:
63 | 43 0.12
Rain
Actual:
62 | 58 0.14
Average:
62 | 43 0.12
Rain
Actual:
60 | 57 0.10
Average:
62 | 42 0.12
Fog
Actual:
76 | 56 0.00
Average:
62 | 42 0.12
Rain
Actual:
77 | 51 0.02
Average:
61 | 42 0.13
Rain
Actual:
58 | 44 0.21
Average:
61 | 42 0.13
Rain
Actual:
57 | 41 0.12
Average:
61 | 42 0.13
Rain
Actual:
56 | 46 0.00
Average:
60 | 42 0.13
Rain
Actual:
59 | 46 0.26
Average:
60 | 42 0.13
Scattered Clouds
Actual:
58 | 42 0.00
Average:
60 | 41 0.13
Rain
Actual:
54 | 36 0.01
Average:
59 | 41 0.13
Partly Cloudy
Actual:
53 | 30 0.00
Average:
59 | 41 0.13
Rain
Actual:
57 | 42 0.22
Average:
58 | 40 0.13
Rain
Actual:
74 | 52 0.01
Average:
58 | 40 0.13
Rain
Actual:
60 | 41 0.14
Average:
57 | 40 0.64
Partly Cloudy
Actual:
60 | 34 0.00
Average:
57 | 39 0.13
Partly Cloudy
Actual:
62 | 39 0.00
Average:
56 | 39 0.12
Rain
Actual:
62 | 45 0.28
Average:
56 | 39 0.12
Thunderstorm
Actual:
73 | 56 0.43
Average:
56 | 38 0.64
Scattered Clouds
Actual:
64 | 45 0.00
Average:
56 | 38 0.64
Scattered Clouds
Actual:
65 | 48 0.00
Average:
55 | 38 0.12
Partly Cloudy
Actual:
61 | 42 0.00
Average:
55 | 37 0.12
Scattered Clouds
Actual:
60 | 34 0.00
Average:
55 | 37 0.12
Scattered Clouds
Actual:
56 | 37 0.00
Average:
54 | 37 0.12
Scattered Clouds
Actual:
66 | 39 0.00
Average:
54 | 37 0.12
Fog
Actual:
62 | 43 0.00
Average:
54 | 37 0.12
Mostly Cloudy
Actual:
53 | 49 0.02
Average:
53 | 36 0.12
Rain
Actual:
59 | 51 1.17
Average:
53 | 36 0.12
Thunderstorm
Actual:
64 | 57 0.35
Average:
53 | 36 0.12
Fog
Actual:
59 | 48 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

2012 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 56 49 54 51 48 94 83 64 29.91 29.74 29.66 10 10 7 16 9 24 0.05 Rain
2 70 62 54 58 55 51 91 79 53 30.06 30.00 29.91 10 10 6 7 6 - 0.00 Rain
3 62 60 58 62 59 57 100 97 90 30.17 30.11 30.05 10 3 1 8 3 - 0.14 Rain
4 60 58 57 60 58 57 100 98 94 30.18 30.11 30.04 5 2 0 8 4 - 0.10 Fog , Rain
5 76 66 56 61 58 53 100 90 45 30.03 29.98 29.89 10 5 0 9 3 - 0.00 Fog
6 77 65 51 63 56 46 99 78 53 29.91 29.79 29.65 10 8 4 15 6 26 0.02 Rain
7 58 51 44 47 42 39 93 72 52 30.06 30.02 29.92 10 9 5 8 4 - 0.21 Rain
8 57 48 41 46 42 39 99 79 56 30.33 30.21 30.06 10 10 7 8 4 - 0.12 Rain
9 56 51 46 47 44 42 88 77 67 30.32 30.26 30.16 10 10 10 12 6 17 0.00 Rain
10 59 52 46 59 52 44 100 96 84 30.15 29.92 29.69 10 5 0 14 7 - 0.26 Fog , Rain
11 58 50 42 48 35 30 84 58 33 30.11 29.99 29.76 10 10 10 15 10 25 0.00  
12 54 45 36 41 31 21 81 59 37 30.35 30.10 29.97 10 10 7 20 9 28 0.01 Rain
13 53 41 30 30 25 20 77 52 30 30.44 30.37 30.31 10 10 10 14 8 21 0.00  
14 57 50 42 52 47 29 100 87 51 30.30 30.09 29.93 10 9 4 10 6 - 0.22 Fog , Rain
15 74 62 52 61 58 52 99 84 61 29.90 29.71 29.59 10 10 7 12 6 - 0.01 Rain
16 60 51 41 60 42 32 99 70 45 29.86 29.65 29.54 10 10 6 23 10 30 0.14 Rain
17 60 46 34 41 35 31 91 69 34 30.01 29.94 29.88 10 10 10 8 4 - 0.00  
18 62 50 39 50 44 38 99 83 49 30.14 30.08 30.01 10 9 7 14 3 - 0.00  
19 62 54 45 63 56 45 100 96 82 30.11 29.95 29.75 10 4 1 29 8 37 0.28 Rain
20 73 64 56 68 60 48 100 92 48 29.78 29.69 29.60 10 4 0 9 6 - 0.43 Fog , Rain , Thunderstorm
21 64 53 45 45 41 37 75 60 41 29.85 29.80 29.71 10 10 10 16 9 23 0.00  
22 65 56 48 42 39 37 74 56 38 29.98 29.89 29.84 10 10 10 20 10 30 0.00  
23 61 52 42 41 39 36 82 64 41 30.12 30.05 29.98 10 10 10 13 7 17 0.00  
24 60 46 34 40 35 27 95 68 29 30.22 30.18 30.13 10 10 10 9 3 - 0.00  
25 56 46 37 47 42 36 99 85 67 30.33 30.28 30.23 10 10 7 13 4 - 0.00  
26 66 52 39 52 46 39 99 84 58 30.26 30.19 30.13 10 8 3 7 2 - 0.00  
27 62 52 43 52 49 44 100 93 69 30.12 30.07 30.04 10 7 1 10 3 - 0.00 Fog
28 53 51 49 50 47 41 98 86 67 30.04 29.97 29.84 10 7 2 18 9 24 0.02  
29 59 54 51 59 55 50 100 98 94 29.82 29.57 29.34 6 2 1 32 20 52 1.17 Rain
30 64 60 57 59 58 56 100 95 83 29.61 29.54 29.39 10 5 2 22 15 29 0.35 Rain , Thunderstorm
31 59 54 48 57 51 42 100 85 66 29.55 29.52 29.48 10 8 0 14 7 - 0.00 Fog