Weather History for Boston, MA

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Month of July, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 103 °F 86 °F 73 °F
Mean Temperature 92 °F 78 °F 68 °F
Min Temperature 81 °F 69 °F 63 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 27 13 3 389
Growing Degree Days (base 50) 42 27 18 834
Dew Point  
Dew Point 75 °F 63 °F 49 °F
Precipitation  
Precipitation 0.72 in 0.07 in 0.00 in 2.04 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 31 mph 9 mph 0 mph
Gust Wind 38 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.12 in 29.88 in 29.56 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 03, 2011 Rise Set
Actual Time 5:11 AM EDT 8:24 PM EDT
Civil Twilight 4:37 AM EDT 8:58 PM EDT
Nautical Twilight 3:52 AM EDT 9:43 PM EDT
Astronomical Twilight 2:59 AM EDT 10:36 PM EDT
Moon 7:43 AM EDT (7/3) 9:51 PM EDT (7/3)
Length of Visible Light 16h 21m
Length of Day
15h 12m
Waxing Crescent, 6% of the Moon is Illuminated
Jul 3
Waxing Crescent
Jul 8
First Quarter
Jul 15
Full
Jul 23
Last Quarter
Jul 30
New

Weather History Calendar

Precipitation Actual month total 2.04 Normal Month Total: 3.06
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
78 | 66 0.00
Average:
80 | 64 0.10
Partly Cloudy
Actual:
76 | 66 0.00
Average:
81 | 64 0.10
Rain
Actual:
82 | 67 0.03
Average:
81 | 64 0.10
Partly Cloudy
Actual:
90 | 70 0.00
Average:
81 | 64 0.10
Partly Cloudy
Actual:
88 | 68 0.00
Average:
81 | 64 0.10
Thunderstorm
Actual:
92 | 71 T
Average:
81 | 65 0.10
Partly Cloudy
Actual:
88 | 70 0.00
Average:
82 | 65 0.10
Rain
Actual:
75 | 68 0.29
Average:
82 | 65 0.10
Rain
Actual:
86 | 67 0.12
Average:
82 | 65 0.10
Scattered Clouds
Actual:
86 | 66 0.00
Average:
82 | 65 0.10
Partly Cloudy
Actual:
93 | 68 0.00
Average:
82 | 65 0.10
Partly Cloudy
Actual:
95 | 77 0.00
Average:
82 | 65 0.10
Rain
Actual:
87 | 66 0.45
Average:
82 | 66 0.10
Rain
Actual:
73 | 63 0.72
Average:
82 | 66 0.10
Partly Cloudy
Actual:
79 | 65 0.00
Average:
82 | 66 0.10
Partly Cloudy
Actual:
85 | 65 0.00
Average:
83 | 66 0.09
Partly Cloudy
Actual:
93 | 71 0.00
Average:
83 | 66 0.09
Rain
Actual:
86 | 75 T
Average:
83 | 66 0.09
Partly Cloudy
Actual:
89 | 70 0.00
Average:
83 | 66 0.09
Scattered Clouds
Actual:
91 | 70 0.00
Average:
83 | 66 0.10
Partly Cloudy
Actual:
97 | 73 0.00
Average:
83 | 66 0.10
Scattered Clouds
Actual:
103 | 81 0.00
Average:
83 | 66 0.10
Thunderstorm
Actual:
92 | 72 0.11
Average:
83 | 66 0.10
Rain
Actual:
84 | 67 0.02
Average:
83 | 66 0.10
Rain
Actual:
74 | 63 0.15
Average:
83 | 66 0.10
Rain
Actual:
78 | 65 0.01
Average:
83 | 66 0.10
Scattered Clouds
Actual:
84 | 68 0.00
Average:
83 | 67 0.10
Scattered Clouds
Actual:
75 | 68 0.00
Average:
83 | 66 0.10
Rain
Actual:
79 | 66 0.14
Average:
82 | 66 0.10
Partly Cloudy
Actual:
89 | 73 0.00
Average:
82 | 66 0.10
Scattered Clouds
Actual:
91 | 70 0.00
Average:
82 | 66 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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 78 72 66 63 57 51 78 63 47 30.03 29.96 29.90 10 10 10 16 7 18 0.00  
2 76 71 66 65 63 60 81 73 64 30.08 30.03 29.98 10 10 10 15 8 17 0.00  
3 82 75 67 71 67 63 93 78 62 29.97 29.87 29.83 10 8 4 16 8 21 0.03 Rain
4 90 80 70 70 66 61 90 65 40 29.83 29.79 29.73 10 8 4 20 7 25 0.00  
5 88 78 68 65 60 53 84 58 31 29.90 29.86 29.79 10 10 8 16 7 21 0.00  
6 92 82 71 70 62 58 73 54 34 29.93 29.87 29.79 10 9 7 22 11 30 T Rain , Thunderstorm
7 88 79 70 65 61 57 68 52 36 29.96 29.90 29.84 10 10 10 17 8 22 0.00  
8 75 72 68 70 66 62 93 83 73 29.97 29.89 29.79 10 5 1 13 6 21 0.29 Rain
9 86 77 67 68 61 52 100 67 34 29.99 29.79 29.70 10 6 0 21 10 31 0.12 Rain
10 86 76 66 60 55 51 63 49 34 30.06 30.01 29.98 10 10 10 17 8 26 0.00  
11 93 81 68 70 64 59 78 56 34 29.99 29.88 29.73 10 10 8 18 11 25 0.00  
12 95 86 77 71 67 64 71 55 39 29.71 29.62 29.56 10 10 8 18 13 25 0.00  
13 87 77 66 66 63 55 84 61 37 29.79 29.70 29.64 10 8 0 18 10 23 0.45 Rain
14 73 68 63 63 57 49 87 69 51 30.02 29.92 29.80 10 8 1 20 10 23 0.72 Rain
15 79 72 65 60 56 53 78 62 45 30.09 30.04 29.99 10 10 10 18 8 23 0.00  
16 85 75 65 64 60 55 78 58 37 30.12 30.09 30.06 10 10 10 17 9 21 0.00  
17 93 82 71 65 60 53 73 50 26 30.09 30.03 29.96 10 10 10 24 13 32 0.00  
18 86 81 75 70 67 64 76 66 55 29.94 29.85 29.78 10 10 6 22 12 31 T Rain
19 89 80 70 68 64 58 79 60 40 29.86 29.81 29.78 10 10 9 15 7 20 0.00  
20 91 81 70 68 63 58 74 58 41 29.92 29.86 29.79 10 10 10 24 10 32 0.00  
21 97 85 73 74 71 68 87 65 42 29.81 29.72 29.63 10 6 4 31 18 38 0.00  
22 103 92 81 75 67 54 74 48 21 29.83 29.75 29.70 10 9 5 20 12 25 0.00  
23 92 82 72 70 65 57 79 59 38 29.93 29.85 29.78 10 10 7 18 8 25 0.11 Rain , Thunderstorm
24 84 76 67 69 64 59 76 66 55 29.98 29.90 29.81 10 10 8 16 8 23 0.02 Rain
25 74 69 63 63 60 54 87 70 53 29.99 29.93 29.82 10 10 4 14 7 20 0.15 Rain
26 78 72 65 69 64 61 93 81 69 29.81 29.73 29.62 10 10 10 21 9 29 0.01 Rain
27 84 76 68 62 59 55 78 59 40 29.97 29.83 29.70 10 10 10 13 7 18 0.00  
28 75 72 68 64 62 58 84 73 61 30.07 30.04 29.98 10 10 10 16 9 21 0.00  
29 79 73 66 72 67 63 93 81 69 30.04 29.91 29.75 10 9 3 18 8 23 0.14 Rain
30 89 81 73 73 64 57 94 65 36 29.97 29.82 29.71 10 9 6 22 12 31 0.00  
31 91 81 70 64 58 52 70 51 32 30.05 29.99 29.94 10 10 10 15 9 21 0.00