Weather History for Boston, MA

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 61 °F 39 °F 17 °F
Mean Temperature 52 °F 32 °F 13 °F
Min Temperature 42 °F 24 °F 4 °F
Degree Days  
Heating Degree Days (base 65) 52 33 13 1030
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 57 °F 19 °F -15 °F
Precipitation  
Precipitation 0.37 in 0.05 in 0.00 in 1.13 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 48 mph 12 mph 0 mph
Gust Wind 60 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.53 in 30.07 in 28.99 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 17, 2013 Rise Set
Actual Time 7:09 AM EST 4:39 PM EST
Civil Twilight 6:38 AM EST 5:10 PM EST
Nautical Twilight 6:04 AM EST 5:44 PM EST
Astronomical Twilight 5:30 AM EST 6:18 PM EST
Moon 10:06 AM EST (1/17) 11:37 PM EST (1/17)
Length of Visible Light 10h 31m
Length of Day
9h 29m
Waxing Crescent, 37% of the Moon is Illuminated
Jan 17
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

Weather History Calendar

Precipitation Actual month total 1.13 Normal Month Total: 3.36
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
37 | 20 0.00
Average:
37 | 24 0.11
Scattered Clouds
Actual:
30 | 12 T
Average:
37 | 23 0.11
Scattered Clouds
Actual:
25 | 7 0.00
Average:
37 | 23 0.11
Partly Cloudy
Actual:
38 | 21 0.00
Average:
36 | 23 0.11
Partly Cloudy
Actual:
42 | 27 0.00
Average:
36 | 23 0.11
Snow
Actual:
43 | 28 T
Average:
36 | 23 0.12
Scattered Clouds
Actual:
39 | 29 0.00
Average:
36 | 23 0.10
Scattered Clouds
Actual:
46 | 28 0.00
Average:
36 | 22 0.11
Rain
Actual:
46 | 28 T
Average:
36 | 22 0.11
Scattered Clouds
Actual:
47 | 35 0.00
Average:
36 | 22 0.11
Rain
Actual:
40 | 31 0.12
Average:
36 | 22 0.11
Rain
Actual:
44 | 38 0.01
Average:
36 | 22 0.11
Rain
Actual:
51 | 40 T
Average:
36 | 22 0.11
Mostly Cloudy
Actual:
61 | 42 0.00
Average:
35 | 22 0.11
Mostly Cloudy
Actual:
42 | 35 T
Average:
35 | 22 0.12
Snow
Actual:
36 | 30 0.37
Average:
35 | 22 0.11
Partly Cloudy
Actual:
42 | 30 0.00
Average:
35 | 22 0.11
Partly Cloudy
Actual:
30 | 19 0.00
Average:
35 | 22 0.10
Partly Cloudy
Actual:
49 | 24 0.00
Average:
35 | 22 0.11
Partly Cloudy
Actual:
54 | 29 0.00
Average:
35 | 22 0.10
Snow
Actual:
30 | 23 0.01
Average:
35 | 22 0.11
Snow
Actual:
25 | 15 T
Average:
36 | 22 0.11
Scattered Clouds
Actual:
17 | 8 0.00
Average:
36 | 22 0.11
Scattered Clouds
Actual:
21 | 4 0.00
Average:
36 | 22 0.11
Snow
Actual:
24 | 10 0.01
Average:
36 | 22 0.10
Snow
Actual:
25 | 13 0.01
Average:
36 | 22 0.11
Scattered Clouds
Actual:
32 | 14 0.00
Average:
36 | 22 0.10
Snow
Actual:
31 | 21 0.17
Average:
36 | 22 0.10
Snow
Actual:
34 | 27 0.01
Average:
36 | 22 0.11
Rain
Actual:
60 | 33 0.11
Average:
36 | 22 0.10
Rain
Actual:
60 | 32 0.31
Average:
36 | 23 0.11
 

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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 37 29 20 24 16 4 64 53 41 29.93 29.79 29.73 10 10 10 28 14 37 0.00  
2 30 21 12 12 6 -2 58 53 47 30.10 29.98 29.90 10 10 10 24 14 32 T  
3 25 16 7 10 -1 -7 62 46 29 30.14 30.08 30.00 10 10 10 22 11 31 0.00  
4 38 30 21 22 18 11 69 59 48 29.97 29.89 29.81 10 10 10 26 13 32 0.00  
5 42 35 27 23 18 15 69 52 34 30.26 30.10 29.86 10 10 10 21 9 26 0.00  
6 43 36 28 27 24 19 78 64 49 30.22 30.03 29.94 10 10 9 20 8 26 T Snow
7 39 34 29 27 25 19 78 63 48 30.40 30.24 29.98 10 10 10 17 9 25 0.00  
8 46 37 28 28 26 25 92 69 45 30.38 30.32 30.26 10 10 9 28 13 36 0.00  
9 46 37 28 34 29 24 78 64 49 30.40 30.22 30.01 10 9 7 25 8 33 T Rain
10 47 41 35 25 22 20 52 45 37 30.53 30.32 30.04 10 10 10 32 15 45 0.00  
11 40 36 31 36 28 21 85 71 56 30.52 30.40 30.24 10 9 2 12 5 14 0.12 Rain
12 44 41 38 43 39 36 100 93 85 30.24 30.18 30.14 10 5 0 9 2 12 0.01 Fog , Rain
13 51 46 40 48 45 41 100 97 93 30.15 30.08 29.99 10 6 0 16 7 22 T Rain
14 61 52 42 52 42 24 100 70 40 30.26 30.03 29.87 10 10 8 22 13 26 0.00  
15 42 39 35 24 23 22 56 51 46 30.32 30.27 30.24 10 10 10 13 6 16 T  
16 36 33 30 32 29 22 100 78 56 30.25 30.02 29.84 10 4 0 13 7 16 0.37 Fog , Rain , Snow
17 42 36 30 31 25 10 92 70 47 30.09 29.97 29.85 10 10 10 20 12 25 0.00  
18 30 25 19 7 -2 -8 45 35 25 30.46 30.31 30.07 10 10 9 23 13 32 0.00  
19 49 37 24 31 22 6 70 52 34 30.38 30.11 29.90 10 10 10 32 18 39 0.00  
20 54 42 29 32 23 8 67 50 32 29.92 29.73 29.54 10 10 10 38 19 46 0.00  
21 30 27 23 20 11 2 88 61 34 30.11 29.97 29.80 10 8 2 24 10 35 0.01 Snow
22 25 20 15 19 9 -4 84 60 35 30.08 29.87 29.76 10 10 5 23 15 31 T Snow
23 17 13 8 -1 -9 -12 58 44 30 30.14 30.11 30.07 10 10 10 25 15 32 0.00  
24 21 13 4 -7 -12 -15 49 36 23 30.22 30.12 30.06 10 10 9 25 17 37 0.00  
25 24 17 10 11 -7 -12 74 48 22 30.30 30.20 30.07 10 9 1 24 13 30 0.01 Snow
26 25 19 13 12 2 -9 80 54 27 30.23 30.08 30.01 10 9 2 21 10 24 0.01 Snow
27 32 23 14 1 -2 -7 58 41 23 30.46 30.37 30.24 10 10 10 23 14 36 0.00  
28 31 26 21 29 16 -1 92 61 29 30.45 30.21 30.02 10 6 0 13 6 15 0.17 Rain , Snow
29 34 31 27 31 27 23 92 85 78 30.19 30.13 30.02 10 6 2 10 4 14 0.01 Rain , Snow
30 60 47 33 55 45 32 100 89 78 30.15 29.82 29.48 10 6 1 30 15 41 0.11 Rain
31 60 46 32 57 37 13 93 65 36 29.59 29.25 28.99 10 8 2 48 27 60 0.31 Rain