Weather History for Portsmouth, NH

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Month of May, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 65 °F 47 °F
Mean Temperature 69 °F 55 °F 44 °F
Min Temperature 60 °F 47 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 20 10 0 295
Cooling Degree Days (base 65) 4 0 0 6
Growing Degree Days (base 50) 19 6 0 180
Dew Point  
Dew Point 67 °F 46 °F 23 °F
Precipitation  
Precipitation 0.83 in 0.09 in 0.00 in 2.77 in
Snowdepth - - - -
Wind  
Wind 24 mph 7 mph 0 mph
Gust Wind 34 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 30.00 in 29.48 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 11, 2014 Rise Set
Actual Time 5:24 AM EDT 7:55 PM EDT
Civil Twilight 4:52 AM EDT 8:28 PM EDT
Nautical Twilight 4:11 AM EDT 9:08 PM EDT
Astronomical Twilight 3:26 AM EDT 9:54 PM EDT
Moon 4:43 PM EDT (5/11) 3:33 AM EDT (5/11)
Length of Visible Light 15h 35m
Length of Day
14h 31m
Waxing Gibbous, 89% of the Moon is Illuminated
May 11
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter

Weather History Calendar

Precipitation Actual month total 2.77 Average Month Total: 13.34
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
60 | 41 0.83
Average:
60 | 41 0.59
Rain
Actual:
67 | 45 0.00
Average:
61 | 41 0.57
Rain
Actual:
65 | 41 0.02
Average:
61 | 42 0.51
Rain
Actual:
60 | 46 0.03
Average:
61 | 42 0.49
Partly Cloudy
Actual:
65 | 46 0.00
Average:
61 | 42 0.47
Partly Cloudy
Actual:
64 | 45 0.00
Average:
61 | 42 0.44
Scattered Clouds
Actual:
66 | 41 0.00
Average:
61 | 42 0.42
Partly Cloudy
Actual:
67 | 39 0.00
Average:
61 | 42 0.40
Rain
Actual:
52 | 46 0.01
Average:
61 | 42 0.39
Rain
Actual:
77 | 49 0.09
Average:
61 | 42 0.37
Partly Cloudy
Actual:
79 | 60 0.00
Average:
61 | 42 0.36
Partly Cloudy
Actual:
84 | 51 0.00
Average:
62 | 42 0.35
Mostly Cloudy
Actual:
51 | 42 0.00
Average:
62 | 42 0.34
Rain
Actual:
57 | 44 0.00
Average:
62 | 42 1.28
Rain
Actual:
73 | 51 0.00
Average:
62 | 43 0.33
Rain
Actual:
68 | 53 0.16
Average:
62 | 43 0.33
Rain
Actual:
74 | 53 0.79
Average:
62 | 43 0.33
Partly Cloudy
Actual:
69 | 48 0.00
Average:
62 | 43 0.32
Rain
Actual:
66 | 47 0.07
Average:
62 | 44 1.28
Partly Cloudy
Actual:
71 | 47 0.00
Average:
63 | 44 0.32
Fog
Actual:
65 | 47 0.00
Average:
63 | 44 0.32
Rain
Actual:
57 | 48 0.11
Average:
63 | 45 0.31
Rain
Actual:
56 | 50 0.21
Average:
64 | 45 0.31
Rain
Actual:
62 | 50 0.15
Average:
64 | 46 0.31
Fog
Actual:
64 | 48 0.00
Average:
65 | 46 0.31
Rain
Actual:
78 | 51 0.00
Average:
65 | 46 0.31
Rain
Actual:
64 | 47 0.14
Average:
65 | 47 0.31
Rain
Actual:
47 | 41 0.08
Average:
65 | 47 0.31
Fog
Actual:
61 | 39 0.00
Average:
66 | 47 0.32
Rain
Actual:
67 | 42 0.08
Average:
66 | 47 0.32
Partly Cloudy
Actual:
61 | 48 0.00
Average:
66 | 48 0.32
 

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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 60 50 41 55 47 41 100 99 83 30.20 29.83 29.65 10 3 0 12 8 - 0.83 Fog , Rain , Thunderstorm
2 67 56 45 52 42 34 100 67 32 29.79 29.69 29.64 10 9 1 13 7 18 0.00 Rain
3 65 52 41 47 42 40 97 67 41 29.85 29.77 29.71 10 10 7 16 5 22 0.02 Rain
4 60 52 46 50 40 34 100 65 42 29.69 29.55 29.48 10 10 7 24 8 34 0.03 Rain
5 65 55 46 45 40 36 93 59 36 29.85 29.73 29.59 10 10 10 18 12 29 0.00  
6 64 54 45 40 33 23 79 48 21 30.03 29.88 29.81 10 10 10 17 9 24 0.00  
7 66 53 41 40 33 26 81 50 22 30.17 30.12 30.03 10 10 10 15 6 18 0.00  
8 67 52 39 45 36 27 99 58 23 30.20 30.15 30.09 10 10 10 16 5 - 0.00  
9 52 49 46 50 44 34 100 85 51 30.26 30.19 30.09 10 6 1 9 6 - 0.01 Rain
10 77 63 49 67 56 50 100 91 47 30.08 29.86 29.72 10 6 2 14 4 25 0.09 Rain
11 79 69 60 62 40 29 92 42 17 30.01 29.88 29.75 10 10 10 18 8 24 0.00  
12 84 66 51 48 42 38 74 46 23 30.16 30.04 29.97 10 10 10 20 7 26 0.00  
13 51 46 42 44 40 34 91 75 58 30.35 30.30 30.17 10 10 10 13 8 23 0.00  
14 57 50 44 50 46 39 99 85 67 30.35 30.32 30.29 10 10 8 15 6 - 0.00 Rain
15 73 62 51 62 57 51 100 91 64 30.30 30.26 30.20 10 9 5 20 6 28 0.00 Rain
16 68 60 53 61 57 54 100 95 71 30.20 30.10 30.01 10 5 2 23 11 29 0.16 Rain
17 74 64 53 63 53 34 100 81 29 30.05 29.92 29.87 10 5 1 21 14 29 0.79 Rain
18 69 58 48 50 43 39 83 59 36 30.10 30.05 30.01 10 10 10 14 6 20 0.00  
19 66 56 47 50 40 32 99 57 35 30.06 30.02 29.98 10 10 10 24 10 30 0.07 Rain
20 71 58 47 51 47 43 93 66 37 30.01 29.97 29.94 10 10 10 16 6 24 0.00  
21 65 56 47 53 51 48 100 86 63 30.01 29.98 29.95 10 7 1 14 5 - 0.00 Fog
22 57 52 48 54 51 48 100 99 88 29.97 29.92 29.89 10 5 0 12 6 - 0.11 Fog , Rain
23 56 52 50 55 52 50 100 99 94 30.00 29.95 29.88 10 7 0 10 5 - 0.21 Fog , Rain
24 62 56 50 56 52 48 100 94 66 30.07 30.03 29.97 10 9 3 10 5 - 0.15 Rain
25 64 56 48 57 52 48 100 95 73 30.10 30.05 29.98 10 6 0 13 2 - 0.00 Fog
26 78 64 51 59 53 49 100 66 38 29.96 29.85 29.77 10 10 8 16 6 24 0.00 Rain
27 64 56 47 61 52 46 100 96 74 29.99 29.92 29.80 10 9 4 15 8 - 0.14 Rain
28 47 44 41 48 46 41 100 99 93 30.22 30.10 29.96 10 6 1 16 10 24 0.08 Rain
29 61 50 39 46 42 36 100 81 41 30.25 30.21 30.16 10 7 0 10 5 - 0.00 Fog
30 67 54 42 53 49 42 100 86 53 30.13 30.06 30.00 10 9 5 14 4 - 0.08 Rain
31 61 54 48 53 46 24 100 79 25 30.30 30.18 30.08 10 9 4 13 6 18 0.00