Weather History for Hyannis, MA

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 77 °F 70 °F
Mean Temperature 76 °F 69 °F 62 °F
Min Temperature 71 °F 62 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 3 0 0 8
Cooling Degree Days (base 65) 12 4 0 132
Growing Degree Days (base 50) 26 19 12 591
Dew Point  
Dew Point 73 °F 61 °F 44 °F
Precipitation  
Precipitation 0.60 in 0.05 in 0.00 in 1.58 in
Snowdepth - - - -
Wind  
Wind 21 mph 6 mph 0 mph
Gust Wind 33 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 30.00 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 20, 2013 Rise Set
Actual Time 5:54 AM EDT 7:33 PM EDT
Civil Twilight 5:25 AM EDT 8:02 PM EDT
Nautical Twilight 4:49 AM EDT 8:37 PM EDT
Astronomical Twilight 4:11 AM EDT 9:15 PM EDT
Moon 7:01 PM EDT (8/20) 5:21 AM EDT (8/20)
Length of Visible Light 14h 36m
Length of Day
13h 38m
Full, 100% of the Moon is Illuminated
Aug 20
Full
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Weather History Calendar

Precipitation Actual month total 1.58 Average Month Total: 3.43
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
78 | 62 0.06
Average:
77 | 63 0.11
Rain
Actual:
82 | 66 0.60
Average:
79 | 63 0.03
Rain
Actual:
75 | 69 0.02
Average:
79 | 64 0.02
Scattered Clouds
Actual:
78 | 63 0.00
Average:
80 | 64 0.12
Clear
Actual:
73 | 55 0.00
Average:
79 | 64 0.09
Clear
Actual:
75 | 50 0.00
Average:
78 | 61 0.15
Clear
Actual:
75 | 53 0.00
Average:
78 | 62 0.09
Rain
Actual:
80 | 68 0.00
Average:
78 | 63 0.18
Rain
Actual:
75 | 71 0.23
Average:
79 | 63 0.09
Partly Cloudy
Actual:
84 | 69 0.00
Average:
78 | 64 0.36
Clear
Actual:
77 | 59 0.00
Average:
77 | 63 0.06
Partly Cloudy
Actual:
77 | 64 0.00
Average:
77 | 63 0.11
Rain
Actual:
72 | 64 0.12
Average:
76 | 61 0.14
Scattered Clouds
Actual:
75 | 62 0.01
Average:
76 | 61 0.05
Clear
Actual:
75 | 59 0.00
Average:
79 | 63 0.04
Clear
Actual:
77 | 66 0.00
Average:
77 | 63 0.09
Clear
Actual:
77 | 55 0.00
Average:
79 | 64 0.04
Rain
Actual:
75 | 57 0.11
Average:
79 | 63 0.07
Clear
Actual:
81 | 59 0.01
Average:
77 | 60 0.13
Rain
Actual:
82 | 66 0.01
Average:
76 | 60 0.28
Clear
Actual:
84 | 61 0.00
Average:
77 | 59 0.07
Partly Cloudy
Actual:
82 | 69 0.00
Average:
75 | 58 0.09
Scattered Clouds
Actual:
75 | 59 0.00
Average:
76 | 59 0.20
Clear
Actual:
73 | 50 0.00
Average:
76 | 58 0.04
Clear
Actual:
81 | 48 0.00
Average:
76 | 60 0.12
Partly Cloudy
Actual:
75 | 66 0.00
Average:
75 | 59 0.14
Rain
Actual:
73 | 66 0.41
Average:
76 | 60 0.08
Fog
Actual:
73 | 64 0.00
Average:
76 | 62 0.04
Rain
Actual:
70 | 61 0.00
Average:
76 | 62 0.15
Partly Cloudy
Actual:
75 | 59 0.00
Average:
75 | 60 0.09
Rain
Actual:
77 | 70 0.00
Average:
76 | 59 0.16
 

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
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 78 70 62 68 64 60 93 79 64 30.06 29.98 29.90 10 10 8 14 4 18 0.06 Rain
2 82 74 66 70 67 64 96 86 58 29.89 29.83 29.80 10 8 0 20 5 23 0.60 Fog , Rain
3 75 72 69 68 65 62 90 80 66 29.89 29.84 29.80 10 10 8 18 11 25 0.02 Rain
4 78 70 63 65 58 52 90 66 51 29.86 29.81 29.77 10 10 10 9 6 - 0.00  
5 73 64 55 59 53 48 93 65 41 30.03 29.94 29.86 10 10 10 14 7 20 0.00  
6 75 62 50 59 53 45 93 69 33 30.17 30.11 30.03 10 10 10 8 1 - 0.00  
7 75 64 53 63 53 47 93 66 37 30.19 30.17 30.14 10 10 10 9 2 - 0.00  
8 80 74 68 71 66 57 93 78 64 30.14 30.09 30.05 10 10 10 18 9 26 0.00 Rain
9 75 73 71 73 71 68 96 92 87 30.07 29.94 29.80 10 8 2 21 12 33 0.23 Rain
10 84 76 69 72 66 54 96 75 41 30.00 29.87 29.80 10 8 2 20 10 20 0.00  
11 77 68 59 59 54 48 90 60 37 30.07 30.04 29.99 10 10 10 13 6 - 0.00  
12 77 70 64 70 66 60 94 81 66 30.04 29.98 29.93 10 10 2 16 8 18 0.00  
13 72 68 64 69 66 64 100 94 84 29.92 29.80 29.68 10 6 0 10 2 - 0.12 Fog , Rain
14 75 68 62 66 58 50 100 74 40 29.94 29.73 29.67 10 8 2 16 4 23 0.01  
15 75 67 59 53 50 45 75 55 33 30.08 30.04 29.96 10 10 10 17 7 23 0.00  
16 77 70 66 61 57 48 84 60 38 30.20 30.16 30.14 10 10 10 16 8 24 0.00  
17 77 66 55 64 61 55 97 80 58 30.27 30.24 30.20 10 10 7 10 4 - 0.00  
18 75 66 57 64 59 53 96 79 46 30.27 30.21 30.09 10 10 8 6 1 - 0.11 Rain
19 81 70 59 66 62 57 96 76 48 30.08 30.01 29.96 10 10 6 14 4 - 0.01  
20 82 74 66 67 64 62 90 72 52 30.09 30.04 29.98 10 10 9 10 5 18 0.01 Rain
21 84 72 61 69 65 59 93 75 51 30.14 30.10 30.05 10 9 5 15 4 20 0.00  
22 82 75 69 71 69 66 100 87 67 30.05 29.95 29.85 10 8 3 17 10 28 0.00  
23 75 68 59 70 62 53 94 75 45 30.09 29.92 29.82 10 10 7 21 12 32 0.00  
24 73 62 50 59 52 44 93 66 35 30.33 30.24 30.10 10 10 10 17 6 26 0.00  
25 81 64 48 58 53 45 90 65 36 30.36 30.29 30.22 10 10 10 13 3 - 0.00  
26 75 70 66 67 64 60 87 79 67 30.22 30.04 29.89 10 10 10 21 12 29 0.00  
27 73 70 66 70 68 66 100 93 83 29.89 29.85 29.83 10 6 0 12 5 - 0.41 Fog , Rain
28 73 68 64 66 65 64 100 94 78 29.94 29.89 29.85 10 3 0 8 4 - 0.00 Fog
29 70 66 61 66 62 57 100 88 78 30.03 29.99 29.93 10 9 2 16 8 20 0.00 Rain
30 75 66 59 67 61 56 96 83 73 29.99 29.93 29.86 10 10 7 14 6 - 0.00  
31 77 74 70 70 69 68 94 89 76 29.88 29.85 29.84 10 8 6 21 14 31 0.00 Rain