Weather History for Islip, NY

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 80 °F 76 °F
Mean Temperature 79 °F 73 °F 67 °F
Min Temperature 74 °F 64 °F 56 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 14 8 2 237
Growing Degree Days (base 50) 27 22 15 673
Dew Point  
Dew Point 73 °F 62 °F 42 °F
Precipitation  
Precipitation 0.91 in 0.09 in 0.00 in 2.72 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 24 mph 7 mph 0 mph
Gust Wind 32 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 30.00 in 29.69 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 24, 2013 Rise Set
Actual Time 6:11 AM EDT 7:36 PM EDT
Civil Twilight 5:42 AM EDT 8:05 PM EDT
Nautical Twilight 5:08 AM EDT 8:39 PM EDT
Astronomical Twilight 4:31 AM EDT 9:16 PM EDT
Moon 9:27 PM EDT (8/24) 10:10 AM EDT (8/24)
Length of Visible Light 14h 22m
Length of Day
13h 25m
Waning Gibbous, 84% of the Moon is Illuminated
Aug 24
Waning Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Weather History Calendar

Precipitation Actual month total 2.72 Normal Month Total: 3.98
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
76 | 68 0.22
Average:
82 | 67 0.12
Rain
Actual:
84 | 69 0.08
Average:
82 | 66 0.12
Rain
Actual:
79 | 68 0.01
Average:
82 | 66 0.12
Partly Cloudy
Actual:
82 | 64 0.00
Average:
82 | 66 0.13
Partly Cloudy
Actual:
77 | 59 0.00
Average:
82 | 66 0.13
Scattered Clouds
Actual:
78 | 59 0.00
Average:
82 | 66 0.13
Mostly Cloudy
Actual:
78 | 61 0.00
Average:
81 | 66 0.13
Thunderstorm
Actual:
79 | 69 0.24
Average:
81 | 66 0.13
Thunderstorm
Actual:
83 | 74 0.01
Average:
81 | 66 0.13
Partly Cloudy
Actual:
84 | 68 0.00
Average:
81 | 66 0.13
Partly Cloudy
Actual:
81 | 60 0.00
Average:
81 | 66 0.13
Rain
Actual:
77 | 68 0.48
Average:
81 | 66 0.14
Thunderstorm
Actual:
76 | 67 0.91
Average:
81 | 66 0.13
Rain
Actual:
76 | 59 0.00
Average:
81 | 66 0.14
Partly Cloudy
Actual:
78 | 56 0.00
Average:
81 | 66 0.13
Partly Cloudy
Actual:
78 | 57 0.00
Average:
81 | 66 0.14
Partly Cloudy
Actual:
82 | 59 0.00
Average:
81 | 66 0.13
Rain
Actual:
77 | 61 0.01
Average:
80 | 65 0.13
Partly Cloudy
Actual:
81 | 61 T
Average:
80 | 65 0.14
Scattered Clouds
Actual:
87 | 62 0.00
Average:
80 | 65 0.13
Scattered Clouds
Actual:
88 | 66 0.00
Average:
80 | 65 0.14
Thunderstorm
Actual:
81 | 71 0.55
Average:
80 | 65 0.13
Partly Cloudy
Actual:
82 | 65 0.00
Average:
80 | 65 0.13
Partly Cloudy
Actual:
78 | 59 0.00
Average:
80 | 65 0.13
Partly Cloudy
Actual:
81 | 56 0.00
Average:
79 | 64 0.13
Rain
Actual:
79 | 68 0.09
Average:
79 | 64 0.11
Rain
Actual:
85 | 70 0.12
Average:
79 | 64 0.12
Partly Cloudy
Actual:
86 | 67 0.00
Average:
79 | 64 0.12
Mostly Cloudy
Actual:
79 | 66 T
Average:
79 | 64 0.12
Mostly Cloudy
Actual:
79 | 65 0.00
Average:
79 | 63 0.12
Partly Cloudy
Actual:
81 | 71 0.00
Average:
78 | 63 0.12
 

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 76 72 68 68 65 62 97 83 69 30.03 29.93 29.83 10 9 4 16 8 24 0.22 Rain
2 84 77 69 68 65 59 97 72 46 29.90 29.84 29.78 10 10 4 20 8 26 0.08 Rain
3 79 74 68 68 64 61 90 76 62 29.90 29.87 29.83 10 10 10 17 7 21 0.01 Rain
4 82 73 64 64 57 52 93 65 36 29.93 29.86 29.82 10 10 10 22 8 28 0.00  
5 77 68 59 57 50 42 78 56 33 30.04 30.00 29.94 10 10 10 20 9 26 0.00  
6 78 69 59 62 57 53 93 70 47 30.13 30.09 30.03 10 10 10 17 6 22 0.00  
7 78 70 61 66 61 55 84 69 54 30.15 30.12 30.09 10 10 10 18 9 22 0.00  
8 79 74 69 71 68 63 93 83 73 30.08 30.05 30.02 10 9 4 18 11 23 0.24 Rain , Thunderstorm
9 83 79 74 73 72 71 93 84 74 30.03 29.89 29.80 10 9 2 24 12 32 0.01 Rain , Thunderstorm
10 84 76 68 72 61 57 87 65 43 30.03 29.94 29.83 10 10 9 17 8 24 0.00  
11 81 71 60 62 54 46 73 53 32 30.10 30.06 30.03 10 10 10 13 7 17 0.00  
12 77 72 68 70 67 63 93 81 69 30.03 29.98 29.93 10 8 1 7 3 - 0.48 Rain
13 76 72 67 72 68 64 97 83 69 29.85 29.75 29.69 10 6 2 14 4 17 0.91 Rain , Thunderstorm
14 76 68 59 66 55 47 93 67 41 30.02 29.82 29.72 10 10 2 23 10 30 0.00 Rain
15 78 67 56 58 51 43 86 59 31 30.14 30.09 30.03 10 10 10 14 6 18 0.00  
16 78 68 57 61 54 49 93 65 36 30.20 30.15 30.12 10 10 10 12 4 16 0.00  
17 82 71 59 60 57 54 93 66 39 30.26 30.24 30.20 10 10 10 12 4 14 0.00  
18 77 69 61 60 58 55 84 69 54 30.25 30.19 30.12 10 10 10 9 4 13 0.01 Rain
19 81 71 61 63 59 54 84 66 48 30.11 30.06 30.02 10 10 10 13 6 17 T  
20 87 75 62 67 62 58 93 65 37 30.12 30.08 30.03 10 10 5 15 6 18 0.00  
21 88 77 66 70 65 57 93 65 37 30.16 30.11 30.05 10 9 3 15 6 20 0.00  
22 81 76 71 72 70 67 93 84 74 30.05 29.97 29.86 10 8 0 17 7 22 0.55 Fog , Rain , Thunderstorm
23 82 74 65 69 61 56 100 71 42 30.09 29.95 29.85 10 10 5 16 7 23 0.00  
24 78 69 59 62 55 52 87 65 43 30.34 30.25 30.11 10 10 10 16 7 20 0.00  
25 81 69 56 60 56 49 93 64 35 30.38 30.31 30.23 10 10 10 15 6 20 0.00  
26 79 74 68 69 62 55 93 76 58 30.22 30.07 29.92 10 10 10 18 9 23 0.09 Rain
27 85 78 70 70 68 67 97 78 58 29.90 29.84 29.80 10 8 2 18 8 26 0.12 Rain
28 86 77 67 70 68 65 93 74 55 29.88 29.86 29.84 10 9 4 13 3 15 0.00  
29 79 73 66 70 65 61 93 74 54 30.03 29.97 29.88 10 9 4 16 8 22 T  
30 79 72 65 69 65 60 87 77 67 30.02 29.95 29.86 10 10 10 17 8 21 0.00  
31 81 76 71 72 69 68 93 84 74 29.87 29.84 29.81 10 10 10 18 11 26 0.00