Weather History for Portsmouth, NH

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Month of August, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 79 °F 68 °F
Mean Temperature 76 °F 70 °F 64 °F
Min Temperature 69 °F 61 °F 54 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 2
Cooling Degree Days (base 65) 11 5 0 155
Growing Degree Days (base 50) 26 20 14 619
Dew Point  
Dew Point 72 °F 62 °F 48 °F
Precipitation  
Precipitation 1.90 in 0.22 in 0.00 in 6.71 in
Snowdepth - - - -
Wind  
Wind 33 mph 6 mph 0 mph
Gust Wind 51 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.22 in 29.86 in 29.03 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 10, 2011 Rise Set
Actual Time 5:43 AM EDT 7:53 PM EDT
Civil Twilight 5:11 AM EDT 8:24 PM EDT
Nautical Twilight 4:33 AM EDT 9:02 PM EDT
Astronomical Twilight 3:50 AM EDT 9:45 PM EDT
Moon 5:50 PM EDT (8/10) 2:22 AM EDT (8/10)
Length of Visible Light 15h 12m
Length of Day
14h 10m
Waxing Gibbous, 90% of the Moon is Illuminated
Aug 10
Waxing Gibbous
Aug 13
Full
Aug 21
Last Quarter
Aug 28
New
Sep 4
First Quarter

Weather History Calendar

Precipitation Actual month total 6.71 Average Month Total: 3.23
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
85 | 62 0.00
Average:
78 | 60 0.08
Thunderstorm
Actual:
87 | 62 0.10
Average:
79 | 60 0.07
Partly Cloudy
Actual:
75 | 57 0.00
Average:
79 | 60 0.07
Rain
Actual:
77 | 60 0.00
Average:
79 | 60 0.07
Partly Cloudy
Actual:
75 | 64 0.00
Average:
79 | 60 0.07
Rain
Actual:
86 | 64 0.01
Average:
79 | 60 0.06
Rain
Actual:
74 | 67 0.50
Average:
79 | 61 0.06
Thunderstorm
Actual:
84 | 69 0.11
Average:
79 | 61 0.06
Rain
Actual:
75 | 62 0.16
Average:
79 | 61 0.06
Rain
Actual:
71 | 62 1.10
Average:
79 | 61 0.06
Partly Cloudy
Actual:
80 | 61 0.00
Average:
79 | 61 0.06
Scattered Clouds
Actual:
80 | 57 0.00
Average:
79 | 61 0.06
Partly Cloudy
Actual:
81 | 58 0.00
Average:
79 | 61 0.49
Rain
Actual:
74 | 63 0.01
Average:
79 | 60 0.06
Rain
Actual:
68 | 59 1.90
Average:
78 | 60 0.06
Rain
Actual:
73 | 58 0.13
Average:
78 | 60 0.06
Scattered Clouds
Actual:
82 | 58 0.00
Average:
78 | 59 0.06
Partly Cloudy
Actual:
86 | 58 0.00
Average:
78 | 59 0.06
Thunderstorm
Actual:
85 | 64 0.15
Average:
78 | 59 0.06
Fog
Actual:
83 | 66 0.00
Average:
78 | 59 0.06
Thunderstorm
Actual:
86 | 64 0.04
Average:
78 | 58 0.45
Rain
Actual:
76 | 61 0.05
Average:
77 | 58 0.46
Scattered Clouds
Actual:
76 | 56 0.00
Average:
77 | 58 0.06
Partly Cloudy
Actual:
81 | 57 0.00
Average:
77 | 58 0.06
Thunderstorm
Actual:
82 | 63 0.60
Average:
77 | 57 0.07
Scattered Clouds
Actual:
84 | 67 0.00
Average:
76 | 57 0.07
Rain
Actual:
80 | 63 0.53
Average:
76 | 57 0.07
Rain
Actual:
71 | 66 1.32
Average:
76 | 56 0.07
Scattered Clouds
Actual:
78 | 57 0.00
Average:
75 | 56 0.07
Scattered Clouds
Actual:
78 | 54 0.00
Average:
75 | 56 0.08
Partly Cloudy
Actual:
81 | 57 0.00
Average:
75 | 55 0.08
 

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
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 85 73 62 68 64 60 91 71 51 29.94 29.82 29.70 10 10 10 13 3 - 0.00  
2 87 75 62 66 62 53 100 76 31 29.71 29.67 29.63 10 9 2 14 6 - 0.10 Fog , Rain , Thunderstorm
3 75 66 57 61 59 56 94 77 55 29.82 29.75 29.70 10 10 8 10 6 - 0.00  
4 77 68 60 62 61 58 94 80 58 30.06 29.96 29.83 10 10 10 12 4 20 0.00 Rain
5 75 70 64 63 62 60 94 81 64 30.12 30.09 30.05 10 10 10 13 3 - 0.00  
6 86 75 64 70 66 62 93 75 59 30.06 29.98 29.88 10 10 7 10 4 - 0.01 Rain
7 74 70 67 72 69 66 100 96 88 29.88 29.70 29.55 10 5 0 14 7 - 0.50 Fog , Rain
8 84 76 69 72 69 67 100 88 65 29.63 29.53 29.48 10 7 0 10 2 - 0.11 Fog , Rain , Thunderstorm
9 75 68 62 68 63 60 98 83 62 29.71 29.67 29.60 10 9 3 14 7 - 0.16 Rain
10 71 66 62 65 62 59 98 90 74 29.69 29.59 29.52 10 9 1 16 10 26 1.10 Rain
11 80 70 61 63 57 48 96 70 33 29.86 29.75 29.69 10 9 4 15 6 21 0.00  
12 80 68 57 61 57 54 94 66 42 30.01 29.94 29.86 10 10 10 13 6 - 0.00  
13 81 70 58 61 59 56 94 68 43 30.06 30.02 29.99 10 10 10 10 3 - 0.00  
14 74 68 63 68 65 58 94 86 80 29.99 29.94 29.92 10 10 8 8 2 - 0.01 Rain
15 68 64 59 67 63 58 97 94 91 29.91 29.81 29.69 8 5 2 17 8 26 1.90 Rain
16 73 66 58 62 60 57 96 84 64 29.96 29.79 29.66 10 8 3 18 11 23 0.13 Rain
17 82 70 58 64 60 53 98 73 38 30.09 30.05 29.97 10 10 8 9 4 - 0.00  
18 86 72 58 65 62 57 99 74 44 30.06 29.97 29.88 10 9 2 10 4 - 0.00  
19 85 74 64 70 66 63 98 81 60 29.92 29.89 29.86 10 8 1 14 6 20 0.15 Rain , Thunderstorm
20 83 74 66 70 67 65 100 86 58 29.96 29.93 29.91 10 7 0 14 3 - 0.00 Fog
21 86 74 64 70 67 63 94 80 56 29.96 29.86 29.74 10 8 6 20 6 21 0.04 Rain , Thunderstorm
22 76 68 61 70 58 49 94 69 38 29.87 29.73 29.63 10 9 3 21 9 28 0.05 Rain
23 76 66 56 54 52 49 83 62 38 30.05 29.96 29.88 10 10 10 14 6 - 0.00  
24 81 68 57 61 57 53 87 68 43 30.09 30.03 29.96 10 10 10 17 6 18 0.00  
25 82 72 63 72 68 58 95 86 65 29.97 29.87 29.81 10 8 1 16 8 22 0.60 Rain , Thunderstorm
26 84 76 67 70 65 59 100 77 42 29.98 29.94 29.87 10 8 4 10 5 - 0.00  
27 80 72 63 70 67 63 100 88 64 29.96 29.90 29.84 10 8 2 13 3 - 0.53 Rain
28 71 68 66 72 67 56 100 93 66 29.81 29.36 29.03 10 4 1 33 18 51 1.32 Rain
29 78 68 57 57 54 50 88 63 38 30.02 29.81 29.38 10 10 10 24 13 43 0.00  
30 78 66 54 55 53 49 92 65 39 30.12 30.08 30.03 10 10 10 12 4 - 0.00  
31 81 68 57 60 57 54 93 71 44 30.22 30.17 30.12 10 10 10 12 3 - 0.00