Weather History for Chatham, MA

Change the Weather History Date:

Month of October, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 73 °F 63 °F 51 °F
Mean Temperature 66 °F 56 °F 44 °F
Min Temperature 62 °F 50 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 21 9 0 267
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 16 7 0 204
Dew Point  
Dew Point 65 °F 51 °F 24 °F
Precipitation  
Precipitation 0.38 in 0.05 in 0.00 in 1.47 in
Snowdepth - - - -
Wind  
Wind 34 mph 6 mph 0 mph
Gust Wind 52 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 29.97 in 29.18 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

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

Oct. 04, 2012 Rise Set
Actual Time 6:40 AM EDT 6:15 PM EDT
Civil Twilight 6:12 AM EDT 6:43 PM EDT
Nautical Twilight 5:40 AM EDT 7:15 PM EDT
Astronomical Twilight 5:08 AM EDT 7:48 PM EDT
Moon 8:45 PM EDT (10/4) 10:58 AM EDT (10/4)
Length of Visible Light 12h 30m
Length of Day
11h 35m
Waning Gibbous, 82% of the Moon is Illuminated
Oct 4
Waning Gibbous
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

Weather History Calendar

Precipitation Actual month total 1.47 Average Month Total: 3.15
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
66 | 55 0.00
Average:
63 | 49 0.09
Rain
Actual:
73 | 55 0.01
Average:
62 | 48 0.09
Rain
Actual:
64 | 62 0.05
Average:
62 | 48 0.09
Rain
Actual:
64 | 60 0.02
Average:
62 | 47 0.09
Partly Cloudy
Actual:
70 | 59 0.00
Average:
61 | 47 0.09
Rain
Actual:
73 | 57 0.07
Average:
61 | 47 0.09
Rain
Actual:
60 | 46 0.20
Average:
61 | 47 0.09
Rain
Actual:
57 | 46 0.08
Average:
61 | 46 0.10
Rain
Actual:
57 | 53 0.38
Average:
60 | 46 0.10
Rain
Actual:
64 | 55 0.03
Average:
60 | 46 0.10
Clear
Actual:
60 | 46 0.00
Average:
60 | 46 0.10
Rain
Actual:
62 | 43 0.00
Average:
59 | 45 0.10
Scattered Clouds
Actual:
51 | 37 0.00
Average:
59 | 45 0.10
Rain
Actual:
64 | 51 0.01
Average:
58 | 44 0.11
Scattered Clouds
Actual:
70 | 61 0.01
Average:
58 | 44 0.11
Rain
Actual:
63 | 41 0.12
Average:
58 | 44 0.11
Clear
Actual:
57 | 37 0.00
Average:
57 | 43 0.11
Clear
Actual:
61 | 44 0.01
Average:
57 | 43 0.11
Rain
Actual:
64 | 57 0.01
Average:
57 | 43 0.11
Rain
Actual:
66 | 59 0.17
Average:
56 | 42 0.11
Scattered Clouds
Actual:
63 | 46 0.00
Average:
56 | 42 0.11
Scattered Clouds
Actual:
64 | 50 0.00
Average:
56 | 42 0.11
Clear
Actual:
60 | 48 0.00
Average:
55 | 42 0.11
Rain
Actual:
55 | 43 0.00
Average:
55 | 42 0.11
Clear
Actual:
60 | 42 0.00
Average:
55 | 42 0.11
Clear
Actual:
62 | 42 0.00
Average:
55 | 42 0.10
Scattered Clouds
Actual:
62 | 46 0.00
Average:
55 | 42 0.10
Rain
Actual:
57 | 53 0.03
Average:
54 | 42 0.10
Rain
Actual:
63 | 55 0.25
Average:
54 | 42 0.10
Rain
Actual:
66 | 60 0.00
Average:
54 | 42 0.10
Rain
Actual:
61 | 53 0.02
Average:
54 | 41 0.10
 

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
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 66 60 55 55 53 50 87 74 63 29.96 29.81 29.76 10 10 10 17 9 31 0.00  
2 73 64 55 61 57 52 90 79 57 30.08 30.04 29.97 10 10 10 10 3 - 0.01 Rain
3 64 63 62 64 63 57 100 97 81 30.14 30.09 30.05 10 2 0 8 5 - 0.05 Fog , Rain
4 64 62 60 64 62 59 100 98 93 30.14 30.09 30.02 10 2 0 7 2 - 0.02 Fog , Rain
5 70 64 59 63 60 57 100 91 78 30.05 30.00 29.96 10 7 2 8 3 - 0.00  
6 73 64 57 65 62 52 100 91 76 29.95 29.88 29.80 10 7 0 17 6 26 0.07 Fog , Rain
7 60 52 46 51 47 43 94 80 58 30.07 30.03 29.93 10 9 3 6 3 - 0.20 Rain
8 57 50 46 49 46 43 100 82 63 30.33 30.19 30.05 10 9 3 9 4 22 0.08 Rain
9 57 54 53 54 52 48 100 90 77 30.31 30.20 30.12 10 6 2 17 12 25 0.38 Rain
10 64 60 55 61 58 51 97 90 75 30.11 29.91 29.75 10 10 8 13 8 23 0.03 Rain
11 60 53 46 49 40 36 74 61 42 30.17 30.03 29.81 10 10 10 12 8 22 0.00  
12 62 54 43 46 38 24 82 61 43 30.33 30.12 30.04 10 10 10 10 8 22 0.00 Rain
13 51 44 37 35 30 28 76 54 43 30.46 30.41 30.36 10 10 10 8 5 - 0.00  
14 64 57 51 58 52 39 90 78 63 30.33 30.16 30.03 10 10 10 16 11 29 0.01 Rain
15 70 66 61 63 61 58 94 87 76 30.02 29.83 29.65 10 10 10 14 11 25 0.01  
16 63 52 41 61 49 38 100 81 51 29.86 29.65 29.55 10 10 6 9 4 22 0.12 Rain
17 57 46 37 44 41 35 93 80 60 30.03 29.96 29.87 10 10 10 5 1 - 0.00  
18 61 52 44 54 48 42 97 82 64 30.14 30.10 30.04 10 10 10 7 2 - 0.01  
19 64 60 57 63 59 54 100 89 75 30.09 29.94 29.81 10 9 5 15 9 26 0.01 Rain
20 66 62 59 64 62 57 100 95 88 29.81 29.71 29.66 10 5 0 12 8 22 0.17 Fog , Rain
21 63 54 46 51 43 40 83 65 50 29.91 29.87 29.78 10 10 10 9 5 18 0.00  
22 64 57 50 45 42 40 74 63 46 29.98 29.92 29.90 10 10 10 9 5 22 0.00  
23 60 54 48 51 46 42 93 73 53 30.11 30.07 30.00 10 10 10 9 3 18 0.00  
24 55 50 43 51 45 41 93 75 64 30.22 30.17 30.12 10 10 9 13 3 - 0.00 Rain
25 60 51 42 46 43 39 93 77 53 30.32 30.28 30.24 10 10 1 6 2 - 0.00  
26 62 52 42 51 44 37 97 76 42 30.28 30.22 30.15 10 10 10 7 1 - 0.00  
27 62 54 46 53 47 41 97 78 48 30.13 30.05 29.99 10 10 10 15 4 18 0.00  
28 57 55 53 54 51 49 94 84 74 29.99 29.87 29.69 10 9 3 24 15 34 0.03 Rain
29 63 59 55 61 58 53 96 91 86 29.66 29.35 29.18 7 4 2 34 24 52 0.25 Rain
30 66 62 60 59 57 56 93 86 80 29.61 29.53 29.36 10 9 6 13 9 22 0.00 Rain
31 61 57 53 56 51 45 94 82 69 29.60 29.56 29.51 10 10 4 10 7 22 0.02 Rain