Weather History for Chatham, MA

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Month of April, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 63 °F 52 °F 39 °F
Mean Temperature 56 °F 45 °F 37 °F
Min Temperature 52 °F 39 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 28 20 8 591
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 6 0 0 15
Dew Point  
Dew Point 56 °F 37 °F 17 °F
Precipitation  
Precipitation 0.86 in 0.10 in 0.00 in 3.02 in
Snowdepth - - - -
Wind  
Wind 23 mph 9 mph 0 mph
Gust Wind 43 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.77 in 30.04 in 29.35 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 21, 2014 Rise Set
Actual Time 5:50 AM EDT 7:27 PM EDT
Civil Twilight 5:21 AM EDT 7:56 PM EDT
Nautical Twilight 4:46 AM EDT 8:32 PM EDT
Astronomical Twilight 4:08 AM EDT 9:10 PM EDT
Moon 12:55 AM EDT (4/21) 11:12 AM EDT (4/21)
Length of Visible Light 14h 35m
Length of Day
13h 36m
Waning Gibbous, 58% of the Moon is Illuminated
Apr 21
Waning Gibbous
Apr 22
Last Quarter
Apr 29
New
May 6
First Quarter
May 14
Full

Weather History Calendar

Precipitation Actual month total 3.02 Average Month Total: 3.64
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Snow
Actual:
44 | 34 0.05
Average:
45 | 34 0.15
Clear
Actual:
46 | 32 0.00
Average:
45 | 34 0.15
Clear
Actual:
48 | 32 0.00
Average:
45 | 34 0.15
Rain
Actual:
46 | 34 0.07
Average:
46 | 34 0.15
Rain
Actual:
54 | 39 0.05
Average:
46 | 34 0.15
Clear
Actual:
48 | 33 0.00
Average:
46 | 34 0.15
Rain
Actual:
52 | 35 0.09
Average:
47 | 34 0.14
Rain
Actual:
53 | 43 0.69
Average:
47 | 35 0.14
Scattered Clouds
Actual:
57 | 42 0.00
Average:
48 | 35 0.14
Clear
Actual:
48 | 30 0.00
Average:
48 | 35 0.14
Scattered Clouds
Actual:
55 | 46 0.00
Average:
49 | 36 0.13
Scattered Clouds
Actual:
63 | 45 0.00
Average:
49 | 36 0.13
Scattered Clouds
Actual:
57 | 44 0.00
Average:
50 | 36 0.13
Partly Cloudy
Actual:
59 | 50 0.00
Average:
50 | 37 0.13
Rain
Actual:
62 | 52 0.14
Average:
50 | 37 0.12
Snow
Actual:
53 | 33 0.86
Average:
50 | 37 0.12
Partly Cloudy
Actual:
39 | 35 0.00
Average:
51 | 37 0.12
Mostly Cloudy
Actual:
43 | 37 0.00
Average:
51 | 38 0.11
Scattered Clouds
Actual:
59 | 35 0.00
Average:
51 | 38 0.11
Clear
Actual:
46 | 34 0.00
Average:
51 | 38 0.11
Clear
Actual:
55 | 37 0.00
Average:
51 | 38 0.11
Rain
Actual:
59 | 45 0.03
Average:
51 | 38 0.10
Thunderstorm
Actual:
57 | 45 0.81
Average:
52 | 38 0.10
Scattered Clouds
Actual:
55 | 43 0.00
Average:
52 | 39 0.10
Scattered Clouds
Actual:
54 | 45 0.00
Average:
53 | 39 0.10
Rain
Actual:
46 | 39 0.07
Average:
53 | 39 0.10
Rain
Actual:
48 | 36 0.03
Average:
54 | 40 0.09
Partly Cloudy
Actual:
51 | 44 0.00
Average:
54 | 40 0.09
Mostly Cloudy
Actual:
46 | 42 0.00
Average:
55 | 41 0.09
Rain
Actual:
45 | 41 0.13
Average:
55 | 41 0.09
 

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

2014 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 44 38 34 32 30 25 92 80 53 30.10 29.99 29.92 10 7 2 15 11 36 0.05 Snow
2 46 39 32 34 30 22 89 69 47 30.15 30.11 30.06 10 10 10 7 4 - 0.00  
3 48 39 32 38 31 26 97 73 46 30.14 30.09 30.06 10 10 8 14 7 23 0.00  
4 46 39 34 38 35 30 93 80 65 30.17 30.06 29.87 10 9 2 15 7 21 0.07 Rain
5 54 46 39 47 41 24 100 86 51 29.94 29.74 29.64 10 7 1 13 8 25 0.05 Rain
6 48 40 33 35 28 20 79 61 34 30.22 30.10 29.95 10 10 10 13 7 21 0.00  
7 52 44 35 45 37 29 96 76 41 30.27 30.17 29.95 10 9 3 16 5 25 0.09 Rain
8 53 48 43 54 47 41 100 99 83 29.93 29.52 29.42 10 2 0 17 12 34 0.69 Fog , Rain
9 57 49 42 39 32 23 80 58 40 29.95 29.67 29.53 10 10 10 13 7 20 0.00  
10 48 39 30 40 29 17 79 59 40 30.22 30.14 29.99 10 10 10 18 9 30 0.00  
11 55 50 46 44 43 40 89 80 67 30.09 30.04 29.99 10 8 5 16 11 28 0.00  
12 63 53 45 45 41 33 93 71 35 30.26 30.14 29.98 10 9 7 10 7 22 0.00  
13 57 50 44 51 42 34 93 75 47 30.30 30.22 30.11 10 10 7 13 8 25 0.00  
14 59 54 50 52 50 48 100 90 77 30.12 30.08 30.00 10 8 2 17 11 30 0.00  
15 62 56 52 56 53 50 97 88 75 30.00 29.84 29.64 10 6 2 21 14 38 0.14 Rain
16 53 45 33 55 33 17 97 79 41 30.58 30.04 29.64 10 6 2 17 12 39 0.86 Rain , Snow
17 39 37 35 28 25 21 70 61 52 30.77 30.70 30.60 10 10 10 17 13 28 0.00  
18 43 40 37 37 34 27 93 80 65 30.64 30.45 30.29 10 8 5 13 9 21 0.00  
19 59 47 35 38 34 28 93 65 36 30.39 30.25 30.18 10 10 7 13 4 23 0.00  
20 46 40 34 35 33 30 89 70 56 30.52 30.46 30.37 10 10 10 12 6 20 0.00  
21 55 46 37 45 41 35 96 83 64 30.35 30.13 29.90 10 10 10 9 4 - 0.00  
22 59 51 45 48 46 43 97 85 67 29.88 29.69 29.54 10 10 6 14 7 22 0.03 Rain
23 57 51 45 51 46 36 100 91 66 29.55 29.44 29.35 10 7 0 16 7 31 0.81 Fog , Rain , Thunderstorm
24 55 49 43 35 30 23 66 50 35 29.89 29.67 29.55 10 10 10 23 13 43 0.00  
25 54 49 45 40 33 28 77 57 38 30.00 29.94 29.89 10 10 10 10 7 21 0.00  
26 46 44 39 40 37 34 93 78 68 29.90 29.83 29.76 10 10 5 16 8 22 0.07 Rain
27 48 42 36 41 39 35 100 86 73 30.02 29.94 29.86 10 10 4 9 3 18 0.03 Rain
28 51 48 44 40 37 35 82 71 59 30.19 30.06 29.98 10 10 10 17 9 26 0.00  
29 46 44 42 39 36 33 86 76 68 30.53 30.41 30.19 10 10 9 20 14 30 0.00  
30 45 42 41 43 39 34 97 87 73 30.53 30.41 30.22 10 8 4 16 12 24 0.13 Rain