Weather History for Boston, MA

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Month of August, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 92 °F 82 °F 72 °F
Mean Temperature 82 °F 75 °F 67 °F
Min Temperature 74 °F 67 °F 60 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 17 10 2 304
Growing Degree Days (base 50) 32 24 17 758
Dew Point  
Dew Point 75 °F 63 °F 44 °F
Precipitation  
Precipitation 1.17 in 0.11 in 0.00 in 3.08 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 28 mph 9 mph 0 mph
Gust Wind 45 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 29.97 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 09, 2012 Rise Set
Actual Time 5:45 AM EDT 7:52 PM EDT
Civil Twilight 5:14 AM EDT 8:23 PM EDT
Nautical Twilight 4:36 AM EDT 9:01 PM EDT
Astronomical Twilight 3:54 AM EDT 9:42 PM EDT
Moon 11:31 PM EDT (8/9) 1:34 PM EDT (8/9)
Length of Visible Light 15h 09m
Length of Day
14h 07m
Waning Gibbous, 51% of the Moon is Illuminated
Aug 9
Waning Gibbous
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full

Weather History Calendar

Precipitation Actual month total 3.08 Normal Month Total: 3.35
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
78 | 68 0.80
Average:
81 | 66 0.12
Partly Cloudy
Actual:
86 | 68 0.00
Average:
81 | 66 0.12
Partly Cloudy
Actual:
92 | 72 0.00
Average:
81 | 66 0.12
Partly Cloudy
Actual:
82 | 74 0.00
Average:
81 | 66 0.13
Rain
Actual:
88 | 72 0.08
Average:
81 | 66 0.12
Partly Cloudy
Actual:
85 | 71 0.00
Average:
81 | 66 0.12
Partly Cloudy
Actual:
77 | 67 0.00
Average:
81 | 66 0.13
Partly Cloudy
Actual:
83 | 66 0.00
Average:
81 | 66 0.11
Partly Cloudy
Actual:
83 | 69 0.00
Average:
81 | 66 0.12
Rain
Actual:
84 | 69 1.17
Average:
81 | 65 0.11
Partly Cloudy
Actual:
81 | 71 0.00
Average:
80 | 65 0.12
Rain
Actual:
84 | 72 0.01
Average:
80 | 65 0.10
Scattered Clouds
Actual:
86 | 71 0.00
Average:
80 | 65 0.11
Partly Cloudy
Actual:
83 | 70 0.00
Average:
80 | 65 0.11
Rain
Actual:
84 | 66 0.83
Average:
80 | 65 0.10
Rain
Actual:
85 | 67 T
Average:
80 | 65 0.11
Rain
Actual:
86 | 66 T
Average:
80 | 65 0.10
Rain
Actual:
72 | 64 0.04
Average:
80 | 65 0.11
Partly Cloudy
Actual:
73 | 61 0.00
Average:
79 | 65 0.10
Partly Cloudy
Actual:
75 | 62 0.00
Average:
79 | 64 0.10
Partly Cloudy
Actual:
83 | 66 T
Average:
79 | 64 0.10
Partly Cloudy
Actual:
78 | 66 0.00
Average:
79 | 64 0.11
Partly Cloudy
Actual:
87 | 66 0.00
Average:
79 | 64 0.10
Partly Cloudy
Actual:
78 | 68 0.00
Average:
79 | 64 0.10
Partly Cloudy
Actual:
77 | 66 0.00
Average:
78 | 64 0.10
Partly Cloudy
Actual:
76 | 64 0.00
Average:
78 | 63 0.10
Partly Cloudy
Actual:
85 | 62 0.00
Average:
78 | 63 0.10
Rain
Actual:
86 | 68 0.15
Average:
78 | 63 0.09
Scattered Clouds
Actual:
75 | 62 0.00
Average:
78 | 63 0.10
Scattered Clouds
Actual:
83 | 60 0.00
Average:
77 | 63 0.09
Partly Cloudy
Actual:
90 | 68 0.00
Average:
77 | 62 0.10
 

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
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 78 73 68 70 66 64 93 79 64 29.93 29.88 29.85 10 8 1 17 8 20 0.80 Rain
2 86 77 68 71 69 65 90 75 59 29.89 29.85 29.82 10 10 7 14 8 17 0.00  
3 92 82 72 72 68 61 93 65 36 30.08 29.97 29.90 10 9 7 18 12 24 0.00  
4 82 78 74 71 70 67 87 75 62 30.21 30.18 30.10 10 9 6 14 7 17 0.00  
5 88 80 72 75 72 69 93 76 59 30.22 30.09 29.93 10 10 8 28 13 37 0.08 Rain
6 85 78 71 71 61 55 93 65 37 29.98 29.94 29.91 10 10 9 18 10 45 0.00  
7 77 72 67 64 60 56 73 62 50 30.02 29.99 29.94 10 10 10 18 8 22 0.00  
8 83 75 66 67 65 62 87 73 58 29.99 29.97 29.93 10 10 10 15 8 20 0.00  
9 83 76 69 70 68 66 97 78 58 29.97 29.93 29.88 10 9 4 21 10 23 0.00  
10 84 77 69 72 70 68 100 83 65 29.94 29.88 29.80 10 7 0 23 9 26 1.17 Fog , Rain
11 81 76 71 72 69 66 93 84 74 29.92 29.88 29.81 10 10 8 16 8 25 0.00  
12 84 78 72 72 71 70 93 79 65 29.94 29.90 29.86 10 10 6 17 10 21 0.01 Rain
13 86 79 71 71 62 59 93 69 44 29.94 29.91 29.88 10 10 9 16 8 21 0.00  
14 83 77 70 65 61 57 78 61 43 29.95 29.92 29.90 10 10 10 15 7 20 0.00  
15 84 75 66 70 67 63 97 74 51 29.96 29.89 29.84 10 8 1 16 8 20 0.83 Rain
16 85 76 67 66 62 57 93 68 43 29.86 29.83 29.79 10 10 7 18 8 26 T Rain
17 86 76 66 66 62 57 78 61 43 29.85 29.81 29.75 10 10 10 21 10 29 T Rain
18 72 68 64 64 61 59 93 81 68 29.89 29.86 29.82 10 10 10 15 6 20 0.04 Rain
19 73 67 61 61 57 53 81 72 63 29.96 29.93 29.89 10 10 10 10 6 14 0.00  
20 75 69 62 63 59 54 90 74 57 29.93 29.90 29.85 10 10 9 16 7 23 0.00  
21 83 75 66 61 56 49 78 56 34 30.08 29.98 29.91 10 10 10 15 8 24 T  
22 78 72 66 64 58 54 69 62 54 30.14 30.11 30.08 10 10 9 15 7 17 0.00  
23 87 77 66 65 61 57 81 59 37 30.14 30.11 30.07 10 10 10 18 9 23 0.00  
24 78 73 68 67 64 60 93 74 54 30.22 30.17 30.11 10 10 7 10 6 14 0.00  
25 77 72 66 67 64 59 93 77 60 30.34 30.30 30.22 10 8 3 15 7 17 0.00  
26 76 70 64 64 61 57 93 74 54 30.35 30.30 30.24 10 10 10 16 6 18 0.00  
27 85 74 62 69 62 57 87 66 45 30.24 30.10 29.93 10 10 10 21 11 24 0.00  
28 86 77 68 72 66 56 93 69 45 29.91 29.81 29.70 10 9 2 17 9 23 0.15 Rain
29 75 69 62 53 49 44 65 52 38 29.98 29.93 29.88 10 10 9 16 9 30 0.00  
30 83 72 60 54 50 46 65 48 30 30.03 29.98 29.95 10 10 9 23 12 30 0.00  
31 90 79 68 59 53 49 55 41 26 29.96 29.88 29.79 10 10 9 24 15 31 0.00