Weather History for Chatham, MA

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Month of April, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 64 °F 53 °F 42 °F
Mean Temperature 54 °F 46 °F 34 °F
Min Temperature 48 °F 40 °F 28 °F
Degree Days  
Heating Degree Days (base 65) 30 19 12 574
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 4 0 0 13
Dew Point  
Dew Point 59 °F 37 °F 6 °F
Precipitation  
Precipitation 1.27 in 0.12 in 0.00 in 3.59 in
Snowdepth - - - -
Wind  
Wind 20 mph 8 mph 0 mph
Gust Wind 37 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.74 in 30.13 in 29.60 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 27, 2013 Rise Set
Actual Time 5:41 AM EDT 7:34 PM EDT
Civil Twilight 5:11 AM EDT 8:04 PM EDT
Nautical Twilight 4:35 AM EDT 8:40 PM EDT
Astronomical Twilight 3:56 AM EDT 9:20 PM EDT
Moon 10:01 PM EDT (4/27) 6:56 AM EDT (4/27)
Length of Visible Light 14h 52m
Length of Day
13h 52m
Waning Gibbous, 95% of the Moon is Illuminated
Apr 27
Waning Gibbous
May 2
Last Quarter
May 9
New
May 18
First Quarter
May 25
Full

Weather History Calendar

Precipitation Actual month total 3.59 Average Month Total: 3.64
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
50 | 37 0.22
Average:
45 | 34 0.15
Scattered Clouds
Actual:
42 | 30 0.00
Average:
45 | 34 0.15
Clear
Actual:
46 | 30 0.00
Average:
45 | 34 0.15
Clear
Actual:
46 | 34 0.00
Average:
46 | 34 0.15
Rain
Actual:
48 | 41 0.08
Average:
46 | 34 0.15
Clear
Actual:
43 | 35 0.00
Average:
46 | 34 0.15
Scattered Clouds
Actual:
48 | 28 0.00
Average:
47 | 34 0.14
Scattered Clouds
Actual:
61 | 44 0.00
Average:
47 | 35 0.14
Thunderstorm
Actual:
64 | 42 0.00
Average:
48 | 35 0.14
Rain
Actual:
52 | 44 0.33
Average:
48 | 35 0.14
Rain
Actual:
50 | 44 0.06
Average:
49 | 36 0.13
Rain
Actual:
44 | 37 0.79
Average:
49 | 36 0.13
Rain
Actual:
46 | 39 0.08
Average:
50 | 36 0.13
Rain
Actual:
54 | 41 0.00
Average:
50 | 37 0.13
Clear
Actual:
51 | 39 0.00
Average:
50 | 37 0.12
Partly Cloudy
Actual:
55 | 41 0.00
Average:
50 | 37 0.12
Rain
Actual:
60 | 41 0.02
Average:
51 | 37 0.12
Scattered Clouds
Actual:
54 | 39 0.00
Average:
51 | 38 0.11
Rain
Actual:
61 | 48 0.02
Average:
51 | 38 0.11
Rain
Actual:
61 | 43 0.45
Average:
51 | 38 0.11
Clear
Actual:
46 | 39 0.00
Average:
51 | 38 0.11
Partly Cloudy
Actual:
50 | 39 0.00
Average:
51 | 38 0.10
Rain
Actual:
45 | 42 1.27
Average:
52 | 38 0.10
Rain
Actual:
55 | 44 0.22
Average:
52 | 39 0.10
Partly Cloudy
Actual:
59 | 44 0.05
Average:
53 | 39 0.10
Clear
Actual:
54 | 41 0.00
Average:
53 | 39 0.10
Clear
Actual:
57 | 36 0.00
Average:
54 | 40 0.09
Clear
Actual:
60 | 39 0.00
Average:
54 | 40 0.09
Clear
Actual:
62 | 44 0.00
Average:
55 | 41 0.09
Clear
Actual:
59 | 41 0.00
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

2013 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 50 44 37 47 42 17 100 87 43 29.78 29.66 29.60 10 8 1 16 12 31 0.22 Rain
2 42 34 30 21 13 7 47 39 27 29.99 29.89 29.81 10 10 10 17 9 30 0.00  
3 46 38 30 14 12 10 47 36 23 30.14 30.01 29.96 10 10 10 15 10 28 0.00  
4 46 40 34 33 22 11 77 52 24 30.31 30.22 30.13 10 10 10 14 9 30 0.00  
5 48 44 41 45 39 29 96 85 58 30.12 29.83 29.67 10 9 4 14 8 25 0.08 Rain
6 43 40 35 25 16 6 67 43 23 30.37 30.19 29.90 10 10 10 14 9 29 0.00  
7 48 38 28 42 32 24 85 72 46 30.37 30.26 30.09 10 10 10 15 5 26 0.00  
8 61 52 44 46 40 36 93 70 46 30.15 30.07 30.00 10 10 7 15 9 26 0.00  
9 64 52 42 50 45 38 100 86 60 30.14 29.98 29.88 10 6 0 16 8 23 0.00 Fog , Rain , Thunderstorm
10 52 48 44 44 42 41 93 85 71 30.03 29.95 29.90 10 9 1 15 6 16 0.33 Rain
11 50 46 44 45 41 36 100 85 61 30.16 29.97 29.81 10 8 1 15 4 22 0.06 Rain
12 44 40 37 44 38 26 100 86 51 30.17 29.91 29.66 10 5 2 20 12 34 0.79 Rain
13 46 42 39 43 38 35 100 87 63 29.97 29.79 29.66 10 7 2 18 7 28 0.08 Rain
14 54 47 41 42 36 29 93 68 43 30.20 30.03 29.95 10 10 10 10 5 17 0.00 Rain
15 51 44 39 40 36 30 92 72 54 30.45 30.36 30.21 10 10 10 8 5 - 0.00  
16 55 48 41 48 42 39 96 84 67 30.45 30.38 30.15 10 10 10 14 6 28 0.00  
17 60 50 41 50 44 32 96 79 38 30.34 30.18 30.11 10 9 4 14 9 26 0.02 Rain
18 54 46 39 45 39 34 89 72 52 30.45 30.35 30.21 10 10 10 15 7 26 0.00  
19 61 54 48 59 54 45 100 95 87 30.20 29.99 29.81 10 5 0 17 9 31 0.02 Fog , Rain
20 61 52 43 59 50 36 100 92 66 30.19 29.85 29.72 10 6 2 20 13 37 0.45 Rain
21 46 42 39 32 25 22 60 50 43 30.68 30.50 30.22 10 10 9 12 8 21 0.00  
22 50 44 39 38 32 27 71 63 46 30.74 30.66 30.58 10 10 10 18 11 24 0.00  
23 45 44 42 43 42 35 96 91 74 30.55 30.30 29.98 10 4 2 17 13 26 1.27 Rain
24 55 50 44 49 45 43 100 92 74 29.99 29.89 29.79 10 6 1 18 11 34 0.22 Rain
25 59 51 44 52 46 36 97 84 44 30.27 30.07 29.94 10 9 5 13 9 23 0.05  
26 54 48 41 42 40 36 96 75 52 30.44 30.38 30.26 10 10 9 12 5 18 0.00  
27 57 46 36 43 35 29 97 66 37 30.43 30.40 30.35 10 10 8 7 2 - 0.00  
28 60 49 39 45 42 34 89 74 47 30.38 30.33 30.30 10 10 10 8 2 - 0.00  
29 62 52 44 46 40 33 93 69 38 30.32 30.30 30.27 10 10 7 8 2 - 0.00  
30 59 49 41 43 33 24 89 57 28 30.38 30.34 30.28 10 10 10 9 2 - 0.00