Weather History for Hyannis, MA

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 71 °F 60 °F
Mean Temperature 75 °F 62 °F 50 °F
Min Temperature 71 °F 54 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 15 5 0 137
Cooling Degree Days (base 65) 10 2 0 59
Growing Degree Days (base 50) 25 12 0 370
Dew Point  
Dew Point 73 °F 56 °F 37 °F
Precipitation  
Precipitation 1.78 in 0.13 in 0.00 in 3.75 in
Snowdepth - - - -
Wind  
Wind 22 mph 7 mph 0 mph
Gust Wind 33 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.37 in 30.00 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 01, 2013 Rise Set
Actual Time 6:07 AM EDT 7:14 PM EDT
Civil Twilight 5:38 AM EDT 7:42 PM EDT
Nautical Twilight 5:04 AM EDT 8:16 PM EDT
Astronomical Twilight 4:28 AM EDT 8:52 PM EDT
Moon 2:24 AM EDT (9/1) 4:51 PM EDT (9/1)
Length of Visible Light 14h 03m
Length of Day
13h 06m
Waning Crescent, 14% of the Moon is Illuminated
Sep 1
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 3.75 Average Month Total: 3.01
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Thunderstorm
Actual:
77 | 71 1.13
Average:
76 | 58 0.11
Rain
Actual:
78 | 71 0.00
Average:
75 | 57 0.14
Thunderstorm
Actual:
78 | 66 1.78
Average:
75 | 61 0.16
Clear
Actual:
79 | 62 0.01
Average:
74 | 59 0.20
Rain
Actual:
75 | 50 0.04
Average:
72 | 56 0.09
Scattered Clouds
Actual:
68 | 48 0.01
Average:
74 | 56 0.02
Clear
Actual:
73 | 46 0.00
Average:
73 | 58 0.08
Rain
Actual:
77 | 60 0.00
Average:
72 | 55 0.02
Scattered Clouds
Actual:
66 | 46 0.00
Average:
71 | 54 0.16
Partly Cloudy
Actual:
73 | 64 0.00
Average:
73 | 57 0.03
Partly Cloudy
Actual:
82 | 69 0.00
Average:
74 | 58 0.05
Rain
Actual:
79 | 69 0.00
Average:
73 | 55 0.00
Rain
Actual:
75 | 64 0.61
Average:
72 | 53 0.02
Partly Cloudy
Actual:
70 | 57 0.00
Average:
72 | 54 0.02
Clear
Actual:
69 | 52 0.00
Average:
71 | 55 0.23
Rain
Actual:
66 | 55 0.02
Average:
70 | 53 0.13
Partly Cloudy
Actual:
60 | 41 0.00
Average:
70 | 53 0.13
Clear
Actual:
70 | 39 0.00
Average:
70 | 55 0.08
Clear
Actual:
73 | 54 0.00
Average:
70 | 55 0.12
Clear
Actual:
75 | 51 0.00
Average:
70 | 52 0.20
Rain
Actual:
75 | 55 0.03
Average:
69 | 52 0.13
Rain
Actual:
71 | 57 0.12
Average:
68 | 53 0.12
Clear
Actual:
62 | 51 0.00
Average:
68 | 52 0.16
Scattered Clouds
Actual:
62 | 45 0.00
Average:
67 | 51 0.04
Partly Cloudy
Actual:
66 | 44 0.00
Average:
66 | 49 0.06
Partly Cloudy
Actual:
66 | 52 0.00
Average:
68 | 48 0.08
Partly Cloudy
Actual:
66 | 46 0.00
Average:
67 | 50 0.15
Clear
Actual:
69 | 45 0.00
Average:
67 | 50 0.11
Partly Cloudy
Actual:
68 | 42 0.00
Average:
67 | 50 0.08
Partly Cloudy
Actual:
66 | 55 0.00
Average:
67 | 49 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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 77 74 71 72 71 70 100 93 83 29.91 29.88 29.84 10 8 1 15 11 23 1.13 Rain , Thunderstorm
2 78 74 71 73 72 71 100 95 81 29.88 29.81 29.74 10 6 0 13 6 18 0.00 Fog , Rain
3 78 72 66 72 69 64 100 92 81 29.81 29.76 29.70 10 5 0 14 6 28 1.78 Fog , Rain , Thunderstorm
4 79 70 62 66 60 57 94 76 50 29.93 29.86 29.79 10 10 7 18 7 24 0.01  
5 75 62 50 65 59 48 97 85 66 30.11 29.96 29.88 10 10 7 14 6 23 0.04 Rain
6 68 57 48 52 48 45 96 72 45 30.22 30.16 30.11 10 10 10 10 2 - 0.01  
7 73 59 46 56 51 43 93 69 48 30.11 30.00 29.88 10 10 10 21 7 29 0.00  
8 77 68 60 63 55 42 87 65 50 30.06 29.85 29.74 10 10 10 17 12 28 0.00 Rain
9 66 56 46 53 46 40 90 61 41 30.23 30.18 30.09 10 10 10 12 6 20 0.00  
10 73 68 64 67 60 52 88 74 63 30.19 30.13 30.06 10 10 9 21 12 28 0.00  
11 82 75 69 71 69 68 100 87 72 30.11 30.06 30.00 10 7 5 21 11 26 0.00  
12 79 74 69 70 70 69 100 89 74 29.99 29.89 29.72 10 7 2 22 13 29 0.00 Rain
13 75 68 64 70 67 60 100 89 73 29.71 29.63 29.57 10 9 2 14 9 22 0.61 Rain
14 70 62 57 59 55 52 90 77 65 30.04 29.87 29.71 10 10 10 12 7 21 0.00  
15 69 60 52 54 51 49 89 72 52 30.16 30.10 30.05 10 10 10 13 5 - 0.00  
16 66 60 55 58 53 46 93 78 56 30.17 30.07 30.02 10 10 10 21 5 33 0.02 Rain
17 60 50 41 46 41 37 93 65 49 30.37 30.30 30.17 10 10 10 18 14 30 0.00  
18 70 54 39 52 44 37 93 67 39 30.32 30.24 30.15 10 10 10 15 4 - 0.00  
19 73 64 54 59 54 50 93 74 51 30.15 30.10 30.05 10 10 10 9 6 - 0.00  
20 75 63 51 61 56 50 100 78 44 30.09 30.06 30.02 10 9 1 10 4 - 0.00  
21 75 64 55 66 62 53 100 85 66 30.05 29.95 29.79 10 10 5 14 6 21 0.03 Rain
22 71 65 57 67 62 48 94 83 67 29.78 29.69 29.66 10 9 2 17 11 26 0.12 Rain
23 62 56 51 47 44 41 80 64 53 29.97 29.89 29.79 10 10 10 17 12 24 0.00  
24 62 54 45 49 43 39 90 70 53 29.97 29.90 29.83 10 10 10 12 6 18 0.00  
25 66 54 44 50 47 42 93 72 50 29.96 29.90 29.87 10 10 10 12 3 17 0.00  
26 66 58 52 50 48 44 77 63 50 30.09 30.02 29.96 10 10 10 16 6 22 0.00  
27 66 57 46 54 52 45 93 71 64 30.25 30.16 30.09 10 10 10 18 10 25 0.00  
28 69 58 45 58 50 43 97 80 56 30.30 30.27 30.23 10 10 10 10 2 - 0.00  
29 68 54 42 56 50 41 96 83 50 30.25 30.17 30.09 10 10 1 12 2 - 0.00  
30 66 60 55 57 56 53 97 84 70 30.08 30.01 29.95 10 10 10 13 7 21 0.00