Weather History for Portsmouth, NH

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Month of February, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 58 °F 35 °F 19 °F
Mean Temperature 45 °F 25 °F 14 °F
Min Temperature 32 °F 16 °F 7 °F
Degree Days  
Heating Degree Days (base 65) 51 39 20 1105
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 42 °F 13 °F -9 °F
Precipitation  
Precipitation 0.88 in 0.12 in 0.00 in 3.45 in
Snowdepth 31.0 in 17.1 in 8.0 in -
Wind  
Wind 36 mph 8 mph 0 mph
Gust Wind 51 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.50 in 29.92 in 29.05 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Feb. 22, 2011 Rise Set
Actual Time 6:30 AM EST 5:23 PM EST
Civil Twilight 6:02 AM EST 5:52 PM EST
Nautical Twilight 5:29 AM EST 6:25 PM EST
Astronomical Twilight 4:56 AM EST 6:58 PM EST
Moon 11:17 PM EST (2/22) 8:24 AM EST (2/22)
Length of Visible Light 11h 49m
Length of Day
10h 52m
Waning Gibbous, 75% of the Moon is Illuminated
Feb 22
Waning Gibbous
Feb 24
Last Quarter
Mar 4
New
Mar 12
First Quarter
Mar 19
Full

Weather History Calendar

Precipitation Actual month total 3.45 Average Month Total: 8.89
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Snow
Actual:
19 | 9 0.29
Average:
32 | 16 0.12
Snow
Actual:
19 | 17 0.49
Average:
33 | 16 0.12
Snow
Actual:
27 | 11 0.00
Average:
33 | 17 0.12
Scattered Clouds
Actual:
34 | 7 0.00
Average:
33 | 17 0.13
Thunderstorm
Actual:
39 | 7 0.55
Average:
33 | 17 0.14
Snow
Actual:
39 | 28 0.03
Average:
33 | 17 0.16
Snow
Actual:
40 | 23 0.00
Average:
33 | 17 0.24
Snow
Actual:
36 | 14 0.22
Average:
33 | 17 0.25
Partly Cloudy
Actual:
29 | 9 0.00
Average:
33 | 17 0.26
Partly Cloudy
Actual:
24 | 13 0.00
Average:
33 | 17 0.28
Scattered Clouds
Actual:
28 | 8 0.00
Average:
33 | 17 0.30
Partly Cloudy
Actual:
35 | 7 0.00
Average:
33 | 17 0.31
Snow
Actual:
32 | 17 0.00
Average:
33 | 17 0.32
Rain
Actual:
52 | 27 0.00
Average:
34 | 18 0.33
Clear
Actual:
26 | 13 0.00
Average:
34 | 18 0.34
Partly Cloudy
Actual:
38 | 12 0.00
Average:
34 | 18 0.35
Partly Cloudy
Actual:
52 | 26 0.00
Average:
34 | 19 0.36
Rain
Actual:
58 | 32 0.00
Average:
35 | 19 0.36
Snow
Actual:
44 | 17 0.00
Average:
35 | 19 0.36
Partly Cloudy
Actual:
32 | 15 0.00
Average:
35 | 19 0.36
Snow
Actual:
26 | 10 0.11
Average:
35 | 19 0.36
Scattered Clouds
Actual:
34 | 7 0.00
Average:
35 | 19 0.36
Clear
Actual:
39 | 14 0.00
Average:
36 | 20 0.36
Partly Cloudy
Actual:
37 | 14 0.00
Average:
36 | 20 0.76
Snow
Actual:
37 | 28 0.88
Average:
36 | 20 0.76
Snow
Actual:
33 | 22 0.00
Average:
37 | 21 0.36
Snow
Actual:
28 | 18 0.25
Average:
37 | 21 0.36
Rain
Actual:
37 | 22 0.63
Average:
37 | 21 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

2011 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 19 14 9 14 9 -7 86 76 45 30.50 30.39 30.31 10 4 0 9 5 - 0.29 Fog , Snow
2 19 18 17 16 14 12 86 82 77 30.31 29.96 29.74 10 3 0 17 10 24 0.49 Fog , Snow
3 27 19 11 14 11 8 86 70 52 30.27 30.15 29.89 10 10 8 12 6 - 0.00 Snow
4 34 20 7 8 4 1 85 54 26 30.24 30.09 29.97 10 10 10 13 6 - 0.00  
5 39 23 7 39 21 3 100 78 51 30.04 29.72 29.13 10 6 1 13 2 - 0.55 Rain , Snow , Thunderstorm
6 39 34 28 36 28 24 100 80 58 29.99 29.54 29.05 10 9 1 22 11 31 0.03 Rain , Snow
7 40 32 23 31 26 22 100 80 54 30.03 29.95 29.76 10 9 2 8 3 - 0.00 Rain , Snow
8 36 26 14 34 25 -2 100 82 48 29.87 29.56 29.39 10 5 1 30 9 43 0.22 Rain , Snow
9 29 19 9 7 1 -6 57 45 33 30.10 30.00 29.91 10 10 10 23 13 33 0.00  
10 24 19 13 8 3 -3 60 47 34 30.07 29.95 29.90 10 10 10 14 8 22 0.00  
11 28 18 8 2 -1 -4 60 46 31 30.13 30.09 30.04 10 10 10 14 6 - 0.00  
12 35 21 7 20 11 0 82 62 42 30.02 29.82 29.66 10 10 10 16 4 23 0.00  
13 32 24 17 22 13 2 74 58 41 30.05 29.90 29.68 10 10 7 13 8 21 0.00 Snow
14 52 40 27 30 26 16 83 60 38 29.65 29.44 29.28 10 10 5 28 7 36 0.00 Rain
15 26 20 13 13 -1 -9 56 42 34 30.34 30.08 29.65 10 10 10 24 19 37 0.00  
16 38 25 12 17 4 -8 48 36 22 30.38 30.23 30.09 10 10 10 10 5 - 0.00  
17 52 39 26 33 24 13 84 57 38 30.09 30.04 29.98 10 10 10 8 4 - 0.00  
18 58 45 32 42 31 13 92 63 25 29.94 29.64 29.43 10 9 6 20 4 29 0.00 Rain
19 44 30 17 22 10 -1 60 45 32 29.80 29.55 29.41 10 10 10 36 19 51 0.00 Snow
20 32 24 15 9 5 0 53 46 38 29.98 29.95 29.82 10 10 10 26 17 34 0.00  
21 26 18 10 15 7 -6 84 58 38 29.94 29.84 29.73 10 7 2 17 9 25 0.11 Snow
22 34 20 7 11 2 -6 58 46 33 30.17 30.02 29.87 10 10 10 16 8 20 0.00  
23 39 26 14 1 -2 -5 45 32 18 30.27 30.22 30.17 10 10 10 9 6 - 0.00  
24 37 26 14 23 13 -4 66 52 32 30.29 30.16 30.00 10 10 10 14 5 - 0.00  
25 37 32 28 32 29 18 100 88 61 29.98 29.60 29.25 10 4 0 20 9 33 0.88 Fog , Rain , Snow
26 33 28 22 22 15 8 77 59 42 30.10 30.04 29.82 10 9 2 17 10 23 0.00 Snow
27 28 23 18 27 18 14 93 82 71 30.20 30.07 29.96 10 5 0 13 6 18 0.25 Fog , Snow
28 37 30 22 36 28 16 100 88 59 30.19 29.77 29.43 10 6 1 23 6 33 0.63 Rain