Weather History for Chatham, MA

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Month of March, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 55 °F 43 °F 34 °F
Mean Temperature 46 °F 38 °F 29 °F
Min Temperature 42 °F 33 °F 24 °F
Degree Days  
Heating Degree Days (base 65) 36 27 19 845
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 48 °F 29 °F 7 °F
Precipitation  
Precipitation 1.56 in 0.15 in 0.00 in 4.69 in
Snowdepth - - - -
Wind  
Wind 29 mph 8 mph 0 mph
Gust Wind 48 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 29.87 in 29.43 in

Monthly Weather History Graph

Monthly Weather History Graph

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Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Mar. 12, 2013 Rise Set
Actual Time 6:56 AM EDT 6:43 PM EDT
Civil Twilight 6:28 AM EDT 7:11 PM EDT
Nautical Twilight 5:56 AM EDT 7:43 PM EDT
Astronomical Twilight 5:24 AM EDT 8:16 PM EDT
Moon 7:00 AM EDT (3/12) 7:56 PM EDT (3/12)
Length of Visible Light 12h 42m
Length of Day
11h 46m
New Moon, 1% of the Moon is Illuminated
Mar 12
New Moon
Mar 19
First Quarter
Mar 27
Full
Apr 3
Last Quarter
Apr 10
New

Weather History Calendar

Precipitation Actual month total 4.69 Average Month Total: 4.41
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Mostly Cloudy
Actual:
39 | 35 0.00
Average:
40 | 27 0.13
Mostly Cloudy
Actual:
43 | 35 0.00
Average:
40 | 27 0.13
Rain
Actual:
39 | 35 0.00
Average:
40 | 27 0.13
Snow
Actual:
41 | 33 0.00
Average:
40 | 27 0.13
Snow
Actual:
42 | 35 0.07
Average:
40 | 27 0.13
Rain
Actual:
41 | 36 0.02
Average:
40 | 27 0.13
Snow
Actual:
37 | 35 1.56
Average:
40 | 27 0.13
Snow
Actual:
42 | 35 1.04
Average:
40 | 27 0.13
Overcast
Actual:
39 | 37 0.00
Average:
40 | 27 0.13
Overcast
Actual:
39 | 35 0.00
Average:
40 | 27 0.13
Partly Cloudy
Actual:
46 | 37 0.00
Average:
40 | 27 0.13
Rain
Actual:
48 | 42 0.14
Average:
40 | 28 0.14
Rain
Actual:
52 | 39 0.62
Average:
40 | 28 0.14
Snow
Actual:
39 | 27 0.00
Average:
40 | 28 0.14
Partly Cloudy
Actual:
39 | 24 0.00
Average:
40 | 28 0.14
Partly Cloudy
Actual:
37 | 32 0.00
Average:
40 | 29 0.14
Scattered Clouds
Actual:
39 | 24 0.00
Average:
40 | 29 0.14
Snow
Actual:
34 | 25 0.01
Average:
41 | 29 0.14
Snow
Actual:
45 | 30 0.52
Average:
41 | 30 0.15
Partly Cloudy
Actual:
43 | 28 0.00
Average:
42 | 30 0.15
Snow
Actual:
41 | 28 0.13
Average:
42 | 31 0.15
Snow
Actual:
37 | 30 0.50
Average:
43 | 31 0.15
Scattered Clouds
Actual:
44 | 28 0.00
Average:
44 | 32 0.15
Clear
Actual:
45 | 30 0.00
Average:
44 | 32 0.16
Rain
Actual:
45 | 30 0.00
Average:
45 | 33 0.16
Rain
Actual:
46 | 35 0.00
Average:
45 | 33 0.16
Rain
Actual:
52 | 33 0.01
Average:
45 | 33 0.16
Rain
Actual:
48 | 37 0.04
Average:
45 | 34 0.16
Rain
Actual:
55 | 37 0.00
Average:
45 | 34 0.15
Rain
Actual:
54 | 39 0.00
Average:
45 | 34 0.15
Rain
Actual:
51 | 30 0.03
Average:
45 | 34 0.15
 

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
Mar high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 39 37 35 36 32 30 100 82 68 29.67 29.58 29.49 10 10 8 16 6 25 0.00  
2 43 39 35 34 29 26 93 71 51 29.67 29.65 29.63 10 10 10 10 5 17 0.00  
3 39 37 35 34 30 28 93 79 65 29.63 29.60 29.58 10 10 9 8 5 - 0.00 Rain
4 41 37 33 31 27 21 92 74 47 29.69 29.61 29.57 10 9 2 15 9 26 0.00 Snow
5 42 38 35 37 32 26 100 81 70 30.04 29.91 29.68 10 9 5 13 8 22 0.07 Rain , Snow
6 41 38 36 36 34 32 93 81 70 30.07 30.01 29.92 10 9 7 29 12 48 0.02 Rain
7 37 36 35 36 35 34 93 92 89 29.87 29.85 29.83 8 4 2 28 23 46 1.56 Rain , Snow
8 42 38 35 36 34 30 100 89 62 30.04 29.88 29.81 10 4 2 25 17 44 1.04 Rain , Snow
9 39 38 37 31 30 30 79 75 70 30.31 30.19 30.04 10 10 10 16 13 30 0.00  
10 39 37 35 31 30 30 81 74 68 30.40 30.36 30.32 10 10 10 10 8 - 0.00  
11 46 41 37 40 36 31 93 83 73 30.35 30.29 30.21 10 10 10 10 6 17 0.00  
12 48 45 42 48 45 39 100 93 86 30.22 30.02 29.79 10 8 2 15 11 28 0.14 Rain
13 52 46 39 48 39 21 100 82 43 29.79 29.75 29.70 10 7 2 15 8 28 0.62 Rain
14 39 34 27 25 18 9 72 53 38 29.80 29.76 29.70 10 10 5 15 5 25 0.00 Snow
15 39 32 24 26 14 7 67 50 28 29.87 29.78 29.69 10 10 10 14 11 30 0.00  
16 37 34 32 25 18 14 64 52 42 29.88 29.81 29.69 10 10 10 13 7 24 0.00  
17 39 30 24 26 17 9 91 55 36 30.30 30.04 29.88 10 10 10 14 3 24 0.00  
18 34 29 25 28 17 8 93 61 42 30.45 30.36 30.27 10 8 2 10 6 20 0.01 Snow
19 45 37 30 45 36 28 100 94 85 30.25 29.77 29.50 10 4 0 20 14 34 0.52 Fog , Rain , Snow
20 43 35 28 28 23 18 87 66 38 29.85 29.75 29.64 10 10 10 17 11 31 0.00  
21 41 34 28 32 28 23 96 73 52 29.85 29.68 29.57 10 8 1 13 6 22 0.13 Snow
22 37 34 30 32 28 22 100 87 57 29.75 29.63 29.56 10 4 0 13 7 23 0.50 Fog , Snow
23 44 36 28 23 20 17 72 52 35 29.77 29.72 29.65 10 10 10 15 8 26 0.00  
24 45 38 30 27 24 19 85 60 42 29.83 29.79 29.76 10 10 10 13 7 21 0.00  
25 45 37 30 33 30 26 89 71 51 29.76 29.57 29.43 10 10 10 23 10 32 0.00 Rain
26 46 40 35 33 27 20 86 62 34 29.77 29.63 29.44 10 10 9 14 9 26 0.00 Rain
27 52 42 33 36 29 23 86 61 38 29.84 29.79 29.76 10 10 6 10 5 20 0.01 Rain
28 48 42 37 38 34 25 93 77 44 30.03 29.90 29.82 10 10 6 13 5 22 0.04 Rain
29 55 46 37 37 33 31 82 64 47 30.05 30.03 30.01 10 10 10 9 3 - 0.00 Rain
30 54 46 39 36 34 29 89 67 41 30.12 30.07 30.03 10 10 9 10 4 - 0.00 Rain
31 51 40 30 41 36 29 93 78 61 30.15 30.07 29.81 10 10 9 14 4 26 0.03 Rain