Weather History for Portsmouth, NH

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Month of February, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 53 °F 41 °F 23 °F
Mean Temperature 44 °F 33 °F 17 °F
Min Temperature 35 °F 24 °F 9 °F
Degree Days  
Heating Degree Days (base 65) 48 32 22 934
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 42 °F 18 °F -8 °F
Precipitation  
Precipitation 0.86 in 0.04 in 0.00 in 1.10 in
Snowdepth - - - -
Wind  
Wind 28 mph 7 mph 0 mph
Gust Wind 39 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 29.97 in 29.15 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Feb. 12, 2012 Rise Set
Actual Time 6:45 AM EST 5:09 PM EST
Civil Twilight 6:16 AM EST 5:39 PM EST
Nautical Twilight 5:43 AM EST 6:12 PM EST
Astronomical Twilight 5:10 AM EST 6:45 PM EST
Moon 11:16 PM EST (2/12) 8:51 AM EST (2/12)
Length of Visible Light 11h 22m
Length of Day
10h 24m
Waning Gibbous, 72% of the Moon is Illuminated
Feb 12
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full

Weather History Calendar

Precipitation Actual month total 1.10 Average Month Total: 9.25
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
46 | 26 0.01
Average:
32 | 16 0.12
Overcast
Actual:
38 | 27 0.00
Average:
33 | 16 0.12
Partly Cloudy
Actual:
36 | 21 0.00
Average:
33 | 17 0.12
Snow
Actual:
37 | 21 0.00
Average:
33 | 17 0.13
Clear
Actual:
35 | 15 0.00
Average:
33 | 17 0.14
Scattered Clouds
Actual:
50 | 25 0.00
Average:
33 | 17 0.16
Partly Cloudy
Actual:
45 | 24 0.00
Average:
33 | 17 0.24
Partly Cloudy
Actual:
36 | 17 0.00
Average:
33 | 17 0.25
Scattered Clouds
Actual:
45 | 25 0.00
Average:
33 | 17 0.26
Partly Cloudy
Actual:
50 | 24 0.00
Average:
33 | 17 0.28
Snow
Actual:
38 | 27 0.00
Average:
33 | 17 0.30
Scattered Clouds
Actual:
23 | 11 0.00
Average:
33 | 17 0.31
Scattered Clouds
Actual:
40 | 9 0.00
Average:
33 | 17 0.32
Partly Cloudy
Actual:
40 | 21 0.00
Average:
34 | 18 0.33
Rain
Actual:
41 | 29 0.00
Average:
34 | 18 0.34
Rain
Actual:
45 | 26 0.03
Average:
34 | 18 0.35
Rain
Actual:
50 | 32 0.00
Average:
34 | 19 0.36
Partly Cloudy
Actual:
45 | 30 0.00
Average:
35 | 19 0.36
Scattered Clouds
Actual:
43 | 26 0.00
Average:
35 | 19 0.36
Scattered Clouds
Actual:
41 | 20 0.00
Average:
35 | 19 0.36
Snow
Actual:
39 | 19 0.00
Average:
35 | 19 0.36
Fog
Actual:
53 | 28 0.00
Average:
35 | 19 0.36
Rain
Actual:
51 | 35 0.03
Average:
36 | 20 0.36
Rain
Actual:
41 | 31 0.86
Average:
36 | 20 0.76
Snow
Actual:
40 | 28 0.01
Average:
36 | 20 0.76
Scattered Clouds
Actual:
37 | 22 0.00
Average:
37 | 21 0.36
Partly Cloudy
Actual:
43 | 19 0.00
Average:
37 | 21 0.36
Partly Cloudy
Actual:
41 | 27 0.00
Average:
37 | 21 0.36
Snow
Actual:
33 | 26 0.16
Average:
37 | 22 0.36
 

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
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 46 36 26 37 30 24 94 85 68 30.03 29.86 29.75 10 7 2 10 3 - 0.01 Rain
2 38 33 27 31 24 15 87 72 59 30.21 30.07 29.94 10 10 10 10 7 - 0.00  
3 36 28 21 17 13 5 69 53 28 30.37 30.29 30.22 10 10 10 15 7 20 0.00  
4 37 30 21 24 14 7 76 54 31 30.23 30.17 30.12 10 10 10 16 7 26 0.00 Snow
5 35 25 15 11 8 4 68 50 29 30.19 30.11 30.04 10 10 10 8 6 - 0.00  
6 50 38 25 22 17 12 63 45 28 30.02 29.88 29.77 10 10 10 15 10 23 0.00  
7 45 35 24 25 18 3 68 49 36 30.25 30.01 29.86 10 10 10 17 8 24 0.00  
8 36 26 17 8 5 1 55 39 24 30.30 30.20 30.05 10 10 10 12 7 - 0.00  
9 45 35 25 16 11 6 61 40 23 30.07 30.00 29.94 10 10 10 14 6 - 0.00  
10 50 37 24 23 16 10 72 45 20 30.09 29.99 29.86 10 10 10 14 6 22 0.00  
11 38 33 27 27 23 13 75 64 48 29.86 29.68 29.53 10 9 5 18 6 - 0.00 Rain , Snow
12 23 17 11 10 -3 -8 56 43 33 29.87 29.69 29.55 10 10 10 20 14 30 0.00  
13 40 24 9 16 9 -4 57 47 29 29.97 29.84 29.75 10 10 10 17 8 23 0.00  
14 40 30 21 20 16 12 75 53 35 30.11 30.06 29.97 10 10 10 8 4 - 0.00  
15 41 35 29 29 26 19 88 71 57 30.23 30.17 30.10 10 10 7 6 1 - 0.00 Rain
16 45 36 26 37 31 25 100 83 53 30.27 30.16 30.03 10 7 2 10 4 - 0.03 Rain
17 50 42 32 40 33 19 100 79 41 30.03 29.91 29.82 10 6 1 14 6 - 0.00 Rain
18 45 38 30 26 19 14 73 52 30 29.93 29.88 29.82 10 10 10 15 8 24 0.00  
19 43 34 26 24 16 14 77 52 30 30.05 30.01 29.96 10 10 10 12 8 - 0.00  
20 41 30 20 17 10 4 73 46 22 30.27 30.10 30.00 10 10 10 18 6 25 0.00  
21 39 29 19 31 20 14 92 66 39 30.33 30.17 29.86 10 9 2 16 4 - 0.00 Rain , Snow
22 53 40 28 38 28 20 100 77 29 29.84 29.66 29.52 10 7 0 14 3 18 0.00 Fog
23 51 44 35 42 33 21 94 73 39 29.77 29.47 29.36 10 10 7 24 6 39 0.03 Rain
24 41 36 31 40 32 22 100 82 58 29.81 29.59 29.17 10 6 2 15 6 21 0.86 Rain
25 40 34 28 36 23 12 100 62 40 29.73 29.31 29.15 10 10 7 28 16 38 0.01 Rain , Snow
26 37 30 22 12 2 -5 55 34 16 30.44 30.19 29.79 10 10 10 25 17 36 0.00  
27 43 31 19 34 19 2 88 62 39 30.46 30.26 30.01 10 10 10 14 4 - 0.00  
28 41 34 27 26 17 11 85 49 30 30.39 30.24 30.01 10 10 10 21 9 30 0.00  
29 33 30 26 32 23 13 100 75 44 30.38 30.22 29.99 10 5 0 14 3 - 0.16 Fog , Snow