Weather History for Boston, MA

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Month of April, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 62 °F 50 °F
Mean Temperature 73 °F 53 °F 43 °F
Min Temperature 59 °F 44 °F 34 °F
Degree Days  
Heating Degree Days (base 65) 22 12 0 365
Cooling Degree Days (base 65) 8 1 0 16
Growing Degree Days (base 50) 23 4 0 127
Dew Point  
Dew Point 61 °F 32 °F 6 °F
Precipitation  
Precipitation 1.48 in 0.13 in 0.00 in 3.09 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 40 mph 12 mph 0 mph
Gust Wind 47 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 29.85 in 29.30 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 07, 2012 Rise Set
Actual Time 6:15 AM EDT 7:17 PM EDT
Civil Twilight 5:46 AM EDT 7:45 PM EDT
Nautical Twilight 5:12 AM EDT 8:20 PM EDT
Astronomical Twilight 4:36 AM EDT 8:56 PM EDT
Moon 8:50 PM EDT (4/7) 6:23 AM EDT (4/7)
Length of Visible Light 13h 59m
Length of Day
13h 01m
Full, 99% of the Moon is Illuminated
Apr 7
Full
Apr 13
Last Quarter
Apr 21
New
Apr 29
First Quarter
May 5
Full

Weather History Calendar

Precipitation Actual month total 3.09 Normal Month Total: 3.74
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
51 | 34 0.19
Average:
50 | 36 0.13
Rain
Actual:
53 | 39 0.05
Average:
51 | 36 0.14
Scattered Clouds
Actual:
59 | 36 0.00
Average:
51 | 37 0.14
Partly Cloudy
Actual:
64 | 43 T
Average:
51 | 37 0.14
Scattered Clouds
Actual:
52 | 40 0.00
Average:
52 | 37 0.14
Scattered Clouds
Actual:
53 | 37 0.00
Average:
52 | 38 0.13
Partly Cloudy
Actual:
52 | 38 0.00
Average:
53 | 38 0.13
Mostly Cloudy
Actual:
50 | 41 T
Average:
53 | 38 0.14
Partly Cloudy
Actual:
58 | 43 0.00
Average:
53 | 39 0.14
Partly Cloudy
Actual:
63 | 43 0.00
Average:
54 | 39 0.14
Partly Cloudy
Actual:
54 | 44 0.00
Average:
54 | 39 0.14
Rain
Actual:
56 | 43 0.32
Average:
54 | 40 0.14
Scattered Clouds
Actual:
65 | 41 0.00
Average:
55 | 40 0.14
Partly Cloudy
Actual:
71 | 49 0.00
Average:
55 | 40 0.13
Mostly Cloudy
Actual:
77 | 54 T
Average:
55 | 41 0.12
Partly Cloudy
Actual:
87 | 59 T
Average:
56 | 41 0.12
Scattered Clouds
Actual:
84 | 57 0.00
Average:
56 | 41 0.12
Partly Cloudy
Actual:
62 | 49 0.00
Average:
57 | 42 0.11
Partly Cloudy
Actual:
66 | 47 0.00
Average:
57 | 42 0.11
Partly Cloudy
Actual:
77 | 49 0.00
Average:
57 | 42 0.11
Rain
Actual:
78 | 54 0.01
Average:
58 | 42 0.11
Rain
Actual:
62 | 44 1.04
Average:
58 | 43 0.12
Rain
Actual:
63 | 44 1.48
Average:
58 | 43 0.11
Partly Cloudy
Actual:
58 | 46 0.00
Average:
59 | 43 0.11
Rain
Actual:
62 | 43 0.00
Average:
59 | 44 0.11
Rain
Actual:
63 | 43 T
Average:
59 | 44 0.11
Rain
Actual:
57 | 40 T
Average:
60 | 44 0.12
Partly Cloudy
Actual:
60 | 37 0.00
Average:
60 | 45 0.11
Partly Cloudy
Actual:
59 | 39 0.00
Average:
61 | 45 0.11
Partly Cloudy
Actual:
54 | 41 0.00
Average:
61 | 45 0.12
 

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
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 51 43 34 39 34 30 93 73 53 29.90 29.76 29.63 10 8 4 17 7 23 0.19 Rain
2 53 46 39 39 32 9 93 57 21 29.80 29.66 29.58 10 9 4 25 13 31 0.05 Rain
3 59 48 36 14 10 7 35 25 14 29.83 29.77 29.70 10 10 10 23 13 32 0.00  
4 64 54 43 33 20 11 60 38 16 29.71 29.58 29.45 10 10 10 29 12 38 T  
5 52 46 40 32 24 19 67 49 30 29.89 29.77 29.65 10 10 10 22 13 29 0.00  
6 53 45 37 21 19 15 52 38 24 29.98 29.92 29.88 10 10 10 18 11 26 0.00  
7 52 45 38 28 21 15 57 42 26 30.02 29.97 29.93 10 10 10 18 8 23 0.00  
8 50 46 41 36 26 19 70 51 31 29.97 29.76 29.60 10 10 10 21 10 29 T  
9 58 51 43 33 29 26 70 52 33 29.63 29.54 29.49 10 10 10 29 17 36 0.00  
10 63 53 43 30 24 20 45 32 19 29.75 29.63 29.59 10 10 10 25 10 32 0.00  
11 54 49 44 39 32 25 76 56 36 29.86 29.80 29.74 10 10 10 20 9 23 0.00  
12 56 50 43 41 38 35 83 67 51 30.07 29.97 29.86 10 8 2 15 9 - 0.32 Rain
13 65 53 41 37 28 20 82 51 19 30.15 30.08 30.00 10 10 10 16 8 21 0.00  
14 71 60 49 34 27 21 40 28 16 30.14 30.05 29.97 10 10 10 18 10 24 0.00  
15 77 66 54 53 46 33 66 52 37 29.99 29.95 29.88 10 10 10 20 10 24 T  
16 87 73 59 58 55 52 84 59 34 30.01 29.95 29.88 10 10 10 21 10 25 T  
17 84 71 57 55 39 22 86 48 10 30.11 29.98 29.88 10 10 7 23 12 29 0.00  
18 62 56 49 40 33 22 66 44 22 30.24 30.18 30.12 10 10 10 20 11 26 0.00  
19 66 57 47 46 42 40 77 61 45 30.13 30.06 29.97 10 10 10 21 11 24 0.00  
20 77 63 49 48 42 34 80 54 27 30.01 29.97 29.91 10 10 10 24 12 30 0.00  
21 78 66 54 57 52 42 93 68 43 29.90 29.79 29.69 10 10 10 24 12 31 0.01 Rain
22 62 53 44 57 47 41 93 85 77 29.84 29.78 29.67 10 5 2 33 14 40 1.04 Rain
23 63 54 44 61 53 41 97 86 74 29.68 29.38 29.30 10 5 2 40 15 47 1.48 Rain
24 58 52 46 43 35 29 80 58 35 29.70 29.53 29.40 10 10 10 28 17 35 0.00  
25 62 53 43 42 33 26 89 58 27 29.87 29.77 29.71 10 10 10 24 12 30 0.00 Rain
26 63 53 43 50 36 28 89 63 36 29.95 29.82 29.55 10 10 10 23 11 26 T Rain
27 57 49 40 53 36 21 93 64 35 29.99 29.66 29.48 10 10 7 30 19 39 T Rain
28 60 49 37 21 18 13 52 35 17 30.12 30.06 29.99 10 10 10 24 14 33 0.00  
29 59 49 39 20 14 6 39 27 14 30.22 30.08 29.99 10 10 10 28 12 37 0.00  
30 54 48 41 37 24 13 61 44 27 30.33 30.26 30.21 10 10 10 18 11 25 0.00