Weather History for Nantucket, MA

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Month of September, 2010

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 72 °F 64 °F
Mean Temperature 74 °F 65 °F 57 °F
Min Temperature 68 °F 59 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 8 2 0 57
Cooling Degree Days (base 65) 9 2 0 62
Growing Degree Days (base 50) 24 15 7 454
Dew Point  
Dew Point 74 °F 59 °F 40 °F
Precipitation  
Precipitation 1.60 in 0.11 in 0.00 in 3.27 in
Snowdepth - - - -
Wind  
Wind 38 mph 11 mph 0 mph
Gust Wind 59 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.25 in 29.96 in 29.10 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 11, 2010 Rise Set
Actual Time 6:16 AM EDT 6:56 PM EDT
Civil Twilight 5:48 AM EDT 7:24 PM EDT
Nautical Twilight 5:15 AM EDT 7:57 PM EDT
Astronomical Twilight 4:41 AM EDT 8:30 PM EDT
Moon 10:16 AM EDT (9/11) 8:27 PM EDT (9/11)
Length of Visible Light 13h 35m
Length of Day
12h 39m
Waxing Crescent, 15% of the Moon is Illuminated
Sep 11
Waxing Crescent
Sep 15
First Quarter
Sep 23
Full
Sep 30
Last Quarter
Oct 7
New

Weather History Calendar

Precipitation Actual month total 3.27 Average Month Total: 3.00
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
86 | 64 0.00
Average:
73 | 58 0.05
Fog
Actual:
78 | 68 0.01
Average:
74 | 60 0.03
Rain
Actual:
80 | 66 1.60
Average:
73 | 59 0.38
Rain
Actual:
75 | 66 0.16
Average:
74 | 58 0.09
Clear
Actual:
73 | 61 0.00
Average:
72 | 59 0.00
Clear
Actual:
75 | 57 0.00
Average:
74 | 59 0.08
Clear
Actual:
73 | 63 0.00
Average:
72 | 58 0.06
Rain
Actual:
75 | 66 0.18
Average:
71 | 56 0.08
Partly Cloudy
Actual:
71 | 61 0.00
Average:
70 | 55 0.32
Mostly Cloudy
Actual:
68 | 60 0.00
Average:
71 | 56 0.15
Partly Cloudy
Actual:
69 | 53 0.00
Average:
70 | 56 0.08
Partly Cloudy
Actual:
64 | 51 0.00
Average:
70 | 55 0.01
Rain
Actual:
66 | 54 0.01
Average:
71 | 56 0.05
Partly Cloudy
Actual:
71 | 57 0.01
Average:
72 | 58 0.04
Scattered Clouds
Actual:
68 | 54 0.00
Average:
69 | 55 0.06
Rain
Actual:
68 | 51 0.10
Average:
69 | 54 0.04
Rain
Actual:
73 | 59 1.18
Average:
70 | 55 0.07
Partly Cloudy
Actual:
66 | 52 0.00
Average:
70 | 56 0.08
Scattered Clouds
Actual:
68 | 48 0.00
Average:
69 | 54 0.24
Partly Cloudy
Actual:
66 | 55 0.00
Average:
67 | 52 0.02
Clear
Actual:
66 | 55 0.00
Average:
68 | 55 0.03
Scattered Clouds
Actual:
71 | 63 0.00
Average:
69 | 55 0.15
Rain
Actual:
71 | 54 0.00
Average:
67 | 52 0.06
Fog
Actual:
71 | 59 0.00
Average:
66 | 50 0.07
Scattered Clouds
Actual:
72 | 66 0.00
Average:
66 | 50 0.05
Rain
Actual:
70 | 60 0.02
Average:
67 | 52 0.14
Fog
Actual:
73 | 62 0.00
Average:
68 | 54 0.16
Rain
Actual:
75 | 66 0.00
Average:
67 | 53 0.11
Rain
Actual:
73 | 66 0.00
Average:
65 | 53 0.17
Fog
Actual:
75 | 66 0.00
Average:
66 | 49 0.13
 

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

2010 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 86 74 64 71 67 64 100 85 55 30.04 30.01 29.99 10 5 1 9 4 - 0.00  
2 78 73 68 72 69 66 100 91 76 30.01 30.00 29.98 7 3 0 17 10 - 0.01 Fog
3 80 72 66 74 70 64 100 95 84 29.97 29.70 29.13 10 4 0 32 10 41 1.60 Fog , Rain
4 75 70 66 72 66 59 100 84 57 29.77 29.42 29.10 10 8 1 38 23 54 0.16 Rain
5 73 66 61 59 54 50 84 65 49 30.09 29.94 29.80 10 10 10 24 14 32 0.00  
6 75 65 57 60 56 47 100 73 38 30.23 30.19 30.10 10 10 8 9 5 - 0.00  
7 73 68 63 65 63 59 87 81 73 30.22 30.14 30.00 10 10 10 16 10 21 0.00  
8 75 70 66 68 65 55 96 85 61 29.99 29.78 29.65 10 7 3 20 14 25 0.18 Rain
9 71 66 61 58 55 52 78 68 61 29.70 29.67 29.63 10 10 10 18 12 23 0.00  
10 68 64 60 55 53 50 82 69 58 29.87 29.76 29.69 10 10 10 16 11 21 0.00  
11 69 60 53 56 53 49 86 73 60 30.06 29.97 29.87 10 10 10 18 8 23 0.00  
12 64 58 51 55 52 48 93 80 63 30.11 30.09 30.06 10 10 10 14 7 18 0.00  
13 66 59 54 54 52 50 90 80 58 30.06 29.99 29.92 10 10 7 10 5 - 0.01 Rain
14 71 64 57 64 60 51 94 86 63 29.92 29.89 29.83 10 9 6 14 9 - 0.01  
15 68 60 54 51 47 44 83 60 45 30.11 29.99 29.91 10 10 10 18 12 26 0.00  
16 68 60 51 64 53 43 97 73 52 30.18 30.04 29.91 10 9 2 20 10 25 0.10 Rain
17 73 65 59 66 63 54 100 91 77 30.12 29.87 29.70 10 6 2 33 18 59 1.18 Rain
18 66 58 52 54 52 49 93 77 63 30.23 30.18 30.12 10 10 10 14 7 17 0.00  
19 68 57 48 59 54 46 97 83 61 30.17 30.10 29.98 10 10 10 8 3 - 0.00  
20 66 60 55 59 51 41 94 69 45 30.01 29.90 29.84 10 10 10 31 12 37 0.00  
21 66 60 55 55 45 40 78 56 42 30.20 30.13 30.04 10 10 10 22 15 28 0.00  
22 71 67 63 64 62 57 94 85 73 30.11 30.03 29.98 10 9 6 21 18 30 0.00  
23 71 62 54 65 58 50 97 80 49 30.25 30.14 30.03 10 8 5 20 11 25 0.00 Rain
24 71 65 59 67 63 53 100 90 75 30.22 30.06 29.91 10 5 0 15 11 - 0.00 Fog
25 72 69 66 66 65 63 100 91 81 29.91 29.85 29.79 7 6 3 20 15 26 0.00  
26 70 64 60 63 59 56 100 86 65 30.13 30.06 29.92 10 7 2 21 11 26 0.02 Rain
27 73 68 62 68 64 60 100 93 83 30.12 30.09 30.00 10 6 0 16 11 22 0.00 Fog
28 75 70 66 68 66 65 97 90 81 29.99 29.89 29.84 10 9 6 20 14 28 0.00 Rain
29 73 70 66 70 67 64 100 96 87 30.02 29.95 29.86 10 2 0 16 11 - 0.00 Fog , Rain
30 75 70 66 69 67 66 100 94 82 30.02 29.97 29.85 10 5 0 18 9 25 0.00 Fog