Weather History for Portsmouth, NH

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 66 °F 51 °F
Mean Temperature 78 °F 56 °F 45 °F
Min Temperature 63 °F 46 °F 34 °F
Degree Days  
Heating Degree Days (base 65) 20 10 0 301
Cooling Degree Days (base 65) 13 1 0 19
Growing Degree Days (base 50) 28 6 0 201
Dew Point  
Dew Point 68 °F 47 °F 23 °F
Precipitation  
Precipitation 1.11 in 0.15 in 0.00 in 4.53 in
Snowdepth - - - -
Wind  
Wind 22 mph 6 mph 0 mph
Gust Wind 31 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.54 in 30.04 in 29.55 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 04, 2013 Rise Set
Actual Time 5:32 AM EDT 7:48 PM EDT
Civil Twilight 5:01 AM EDT 8:19 PM EDT
Nautical Twilight 4:22 AM EDT 8:58 PM EDT
Astronomical Twilight 3:39 AM EDT 9:42 PM EDT
Moon 2:37 AM EDT (5/4) 2:35 PM EDT (5/4)
Length of Visible Light 15h 18m
Length of Day
14h 15m
Waning Crescent, 27% of the Moon is Illuminated
May 4
Waning Crescent
May 9
New
May 18
First Quarter
May 25
Full
May 31
Last Quarter

Weather History Calendar

Precipitation Actual month total 4.53 Average Month Total: 13.34
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
65 | 36 0.00
Average:
60 | 41 0.59
Rain
Actual:
72 | 41 0.00
Average:
61 | 41 0.57
Scattered Clouds
Actual:
54 | 39 0.00
Average:
61 | 42 0.51
Clear
Actual:
55 | 39 0.00
Average:
61 | 42 0.49
Scattered Clouds
Actual:
57 | 34 0.00
Average:
61 | 42 0.47
Fog
Actual:
59 | 35 0.00
Average:
61 | 42 0.44
Fog
Actual:
72 | 45 0.00
Average:
61 | 42 0.42
Rain
Actual:
68 | 49 0.00
Average:
61 | 42 0.40
Thunderstorm
Actual:
61 | 53 0.89
Average:
61 | 42 0.39
Fog
Actual:
72 | 53 0.01
Average:
61 | 42 0.37
Rain
Actual:
70 | 52 0.10
Average:
61 | 42 0.36
Rain
Actual:
70 | 50 0.07
Average:
62 | 42 0.35
Partly Cloudy
Actual:
57 | 43 0.00
Average:
62 | 42 0.34
Partly Cloudy
Actual:
61 | 38 0.00
Average:
62 | 42 1.28
Rain
Actual:
64 | 37 0.03
Average:
62 | 43 0.33
Scattered Clouds
Actual:
80 | 46 0.00
Average:
62 | 43 0.33
Partly Cloudy
Actual:
69 | 49 0.00
Average:
62 | 43 0.33
Partly Cloudy
Actual:
67 | 45 0.00
Average:
62 | 43 0.32
Rain
Actual:
60 | 50 0.02
Average:
62 | 44 1.28
Rain
Actual:
78 | 50 0.07
Average:
63 | 44 0.32
Thunderstorm
Actual:
58 | 49 0.03
Average:
63 | 44 0.32
Thunderstorm
Actual:
57 | 49 1.11
Average:
63 | 45 0.31
Rain
Actual:
74 | 50 0.07
Average:
64 | 45 0.31
Rain
Actual:
71 | 51 0.87
Average:
64 | 46 0.31
Rain
Actual:
51 | 39 0.72
Average:
65 | 46 0.31
Rain
Actual:
58 | 38 0.29
Average:
65 | 46 0.31
Scattered Clouds
Actual:
69 | 42 0.00
Average:
65 | 47 0.31
Partly Cloudy
Actual:
69 | 42 0.00
Average:
65 | 47 0.31
Rain
Actual:
63 | 50 0.25
Average:
66 | 47 0.32
Fog
Actual:
86 | 57 0.00
Average:
66 | 47 0.32
Scattered Clouds
Actual:
93 | 63 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

2013 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 65 50 36 40 34 27 87 53 26 30.47 30.44 30.38 10 10 10 14 3 - 0.00  
2 72 56 41 45 38 35 85 62 27 30.52 30.44 30.39 10 10 10 20 4 26 0.00 Rain
3 54 46 39 42 38 35 90 69 56 30.54 30.48 30.39 10 10 10 13 7 18 0.00  
4 55 46 39 42 38 34 93 73 49 30.39 30.36 30.33 10 10 10 14 5 17 0.00  
5 57 45 34 40 37 34 97 72 49 30.35 30.31 30.27 10 10 7 14 5 22 0.00  
6 59 47 35 50 43 36 100 91 62 30.30 30.24 30.17 10 5 0 12 3 - 0.00 Fog
7 72 58 45 56 50 45 100 81 46 30.19 30.15 30.10 10 6 0 18 4 - 0.00 Fog
8 68 58 49 59 56 50 100 88 69 30.23 30.16 30.09 10 9 7 17 6 - 0.00 Rain
9 61 56 53 57 55 54 100 98 88 30.07 29.98 29.91 10 4 0 10 5 - 0.89 Fog , Rain , Thunderstorm
10 72 62 53 64 56 53 100 93 59 29.96 29.92 29.89 10 5 0 13 4 - 0.01 Fog
11 70 61 52 63 59 52 100 90 71 29.90 29.75 29.69 10 7 2 14 6 23 0.10 Rain
12 70 60 50 61 53 25 100 83 37 29.78 29.63 29.55 10 6 2 21 5 29 0.07 Rain
13 57 50 43 30 27 24 58 43 29 30.02 29.92 29.80 10 10 10 18 10 26 0.00  
14 61 48 38 35 29 23 75 48 26 30.05 30.00 29.94 10 10 10 17 7 26 0.00  
15 64 50 37 50 40 28 94 67 28 30.05 29.88 29.66 10 10 7 20 6 20 0.03 Rain
16 80 62 46 51 43 35 100 62 21 29.81 29.65 29.60 10 9 7 22 6 30 0.00  
17 69 58 49 41 40 37 73 52 34 30.21 30.02 29.83 10 10 10 17 8 25 0.00  
18 67 54 45 50 46 37 94 75 35 30.31 30.28 30.22 10 10 7 16 6 - 0.00  
19 60 55 50 50 49 48 100 89 70 30.38 30.31 30.24 10 8 2 10 5 - 0.02 Rain
20 78 64 50 61 57 50 100 87 57 30.20 30.03 29.93 10 6 0 12 6 - 0.07 Fog , Rain
21 58 54 49 57 52 48 100 94 82 30.06 29.98 29.94 10 6 0 16 7 23 0.03 Fog , Rain , Thunderstorm
22 57 53 49 54 51 49 100 96 77 30.05 29.95 29.89 10 5 0 16 8 - 1.11 Fog , Rain , Thunderstorm
23 74 62 50 67 58 50 100 94 77 29.93 29.87 29.80 10 5 0 12 5 20 0.07 Fog , Rain
24 71 61 51 68 61 51 100 94 75 29.84 29.72 29.64 10 6 0 17 8 23 0.87 Fog , Rain
25 51 46 39 50 47 37 100 94 85 29.82 29.72 29.67 10 5 1 21 12 28 0.72 Rain
26 58 48 38 41 38 36 100 75 45 30.05 29.79 29.64 10 9 3 20 12 31 0.29 Rain
27 69 56 42 42 36 30 85 51 24 30.18 30.09 30.06 10 10 10 17 10 24 0.00  
28 69 55 42 50 41 33 96 63 27 30.25 30.21 30.17 10 10 10 14 5 - 0.00  
29 63 56 50 60 56 50 100 98 88 30.19 30.08 30.00 10 4 0 13 4 - 0.25 Fog , Rain
30 86 72 57 66 61 57 100 76 39 30.05 30.01 29.98 10 7 0 16 5 23 0.00 Fog
31 93 78 63 66 64 59 99 63 32 30.07 29.99 29.91 10 10 7 10 5 - 0.00