Weather History for Chatham, MA

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Month of June, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 73 °F 59 °F
Mean Temperature 79 °F 65 °F 54 °F
Min Temperature 68 °F 58 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 11 2 0 70
Cooling Degree Days (base 65) 14 2 0 70
Growing Degree Days (base 50) 29 15 4 447
Dew Point  
Dew Point 70 °F 57 °F 41 °F
Precipitation  
Precipitation 1.27 in 0.11 in 0.00 in 3.39 in
Snowdepth - - - -
Wind  
Wind 18 mph 5 mph 0 mph
Gust Wind 28 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.20 in 29.91 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jun. 13, 2011 Rise Set
Actual Time 5:04 AM EDT 8:15 PM EDT
Civil Twilight 4:30 AM EDT 8:49 PM EDT
Nautical Twilight 3:47 AM EDT 9:33 PM EDT
Astronomical Twilight 2:54 AM EDT 10:25 PM EDT
Moon 6:15 PM EDT (6/13) 2:57 AM EDT (6/13)
Length of Visible Light 16h 18m
Length of Day
15h 10m
Waxing Gibbous, 94% of the Moon is Illuminated
Jun 13
Waxing Gibbous
Jun 15
Full
Jun 23
Last Quarter
Jul 1
New
Jul 8
First Quarter

Weather History Calendar

Precipitation Actual month total 3.39 Average Month Total: 2.37
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
72 | 59 0.00
Average:
63 | 50 0.10
Fog
Actual:
80 | 59 0.00
Average:
63 | 50 0.10
Scattered Clouds
Actual:
66 | 55 0.00
Average:
64 | 50 0.10
Scattered Clouds
Actual:
64 | 48 0.00
Average:
64 | 51 0.10
Scattered Clouds
Actual:
63 | 46 0.00
Average:
64 | 51 0.10
Clear
Actual:
73 | 52 0.00
Average:
64 | 51 0.10
Scattered Clouds
Actual:
80 | 57 0.01
Average:
65 | 52 0.10
Clear
Actual:
86 | 64 0.00
Average:
65 | 52 0.10
Thunderstorm
Actual:
91 | 68 0.12
Average:
65 | 52 0.09
Partly Cloudy
Actual:
75 | 60 0.00
Average:
65 | 53 0.09
Rain
Actual:
62 | 55 0.06
Average:
66 | 53 0.09
Thunderstorm
Actual:
64 | 55 1.27
Average:
66 | 53 0.09
Mostly Cloudy
Actual:
62 | 55 0.00
Average:
66 | 54 0.08
Rain
Actual:
59 | 53 0.06
Average:
67 | 54 0.08
Rain
Actual:
66 | 50 0.01
Average:
67 | 54 0.08
Clear
Actual:
75 | 50 0.00
Average:
68 | 55 0.08
Rain
Actual:
75 | 62 0.19
Average:
68 | 55 0.07
Rain
Actual:
75 | 60 0.31
Average:
69 | 56 0.07
Clear
Actual:
75 | 60 0.00
Average:
69 | 56 0.07
Clear
Actual:
75 | 54 0.00
Average:
70 | 57 0.07
Clear
Actual:
78 | 63 0.01
Average:
70 | 57 0.07
Rain
Actual:
71 | 64 0.60
Average:
71 | 58 0.06
Thunderstorm
Actual:
66 | 59 0.72
Average:
71 | 58 0.06
Fog
Actual:
66 | 59 0.01
Average:
72 | 59 0.06
Fog
Actual:
72 | 59 0.00
Average:
72 | 59 0.06
Fog
Actual:
73 | 59 0.00
Average:
73 | 59 0.06
Scattered Clouds
Actual:
80 | 63 0.00
Average:
73 | 60 0.06
Fog
Actual:
75 | 64 0.01
Average:
73 | 60 0.06
Fog
Actual:
78 | 66 0.01
Average:
74 | 60 0.06
Scattered Clouds
Actual:
79 | 63 0.00
Average:
74 | 60 0.06
 

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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jun high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 72 64 59 64 61 54 93 83 73 30.20 30.03 29.86 10 9 5 15 8 25 0.00  
2 80 70 59 63 54 42 100 69 29 29.90 29.80 29.73 10 7 0 13 9 28 0.00 Fog
3 66 60 55 47 43 41 69 54 42 30.06 29.95 29.88 10 10 10 12 7 23 0.00  
4 64 58 48 52 46 41 86 67 50 30.12 30.06 30.02 10 10 10 18 6 24 0.00  
5 63 54 46 49 47 43 90 75 58 30.12 30.08 30.03 10 10 9 16 4 - 0.00  
6 73 62 52 55 51 48 89 70 44 30.02 29.99 29.97 10 10 10 14 4 16 0.00  
7 80 68 57 63 59 53 87 73 47 30.10 29.93 29.88 10 10 6 8 4 - 0.01  
8 86 74 64 65 63 61 90 73 49 29.88 29.86 29.82 10 7 4 8 5 - 0.00  
9 91 79 68 65 63 61 90 67 38 29.88 29.82 29.77 10 9 6 13 7 23 0.12 Rain , Thunderstorm
10 75 66 60 65 60 53 87 79 73 30.08 29.96 29.79 10 10 9 10 6 20 0.00  
11 62 58 55 56 53 48 94 81 72 30.16 30.12 30.06 10 10 8 15 6 22 0.06 Rain
12 64 60 55 61 55 52 94 90 77 30.05 29.90 29.81 10 7 1 13 8 21 1.27 Rain , Thunderstorm
13 62 58 55 53 52 51 89 80 72 29.92 29.89 29.85 10 10 10 12 5 17 0.00  
14 59 56 53 52 50 48 94 82 72 29.89 29.85 29.81 10 10 5 13 6 23 0.06 Rain
15 66 58 50 54 51 46 94 75 50 29.90 29.81 29.76 10 10 5 10 5 21 0.01 Rain
16 75 62 50 63 56 46 86 71 57 29.94 29.91 29.87 10 10 2 15 6 26 0.00  
17 75 67 62 63 61 51 94 85 57 30.01 29.96 29.93 10 7 2 14 7 26 0.19 Rain
18 75 66 60 65 62 59 94 86 73 29.92 29.85 29.78 10 8 3 12 6 18 0.31 Rain
19 75 66 60 62 52 44 90 61 35 29.87 29.82 29.77 10 9 4 9 4 17 0.00  
20 75 64 54 61 57 51 90 75 55 29.91 29.89 29.86 10 10 10 8 3 - 0.00  
21 78 70 63 61 57 48 90 67 38 29.96 29.93 29.88 10 10 10 10 4 - 0.01  
22 71 68 64 67 64 61 94 88 83 30.00 29.95 29.88 10 8 2 9 5 16 0.60 Rain
23 66 62 59 63 60 57 97 93 88 29.87 29.81 29.76 8 2 0 14 8 24 0.72 Fog , Rain , Thunderstorm
24 66 62 59 61 58 57 96 89 80 29.83 29.79 29.75 10 5 0 8 5 - 0.01 Fog
25 72 66 59 61 59 55 97 86 68 29.94 29.84 29.78 10 6 0 8 3 - 0.00 Fog
26 73 66 59 64 61 57 100 89 73 29.97 29.94 29.89 10 5 0 8 3 - 0.00 Fog
27 80 71 63 67 64 61 93 77 64 30.04 30.01 29.96 10 9 3 6 3 - 0.00  
28 75 70 64 67 64 62 100 90 73 30.02 29.94 29.86 10 3 0 10 2 - 0.01 Fog
29 78 72 66 70 66 56 94 85 63 29.87 29.82 29.78 10 6 0 10 3 21 0.01 Fog
30 79 70 63 65 60 55 81 69 51 29.92 29.88 29.84 10 10 10 13 5 20 0.00