Weather History for Islip, NY

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Month of July, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 95 °F 84 °F 70 °F
Mean Temperature 85 °F 77 °F 66 °F
Min Temperature 74 °F 68 °F 58 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 20 12 1 357
Growing Degree Days (base 50) 33 26 16 811
Dew Point  
Dew Point 75 °F 65 °F 51 °F
Precipitation  
Precipitation 2.98 in 0.18 in 0.00 in 4.80 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 25 mph 7 mph 0 mph
Gust Wind 31 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.19 in 29.92 in 29.56 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 15, 2012 Rise Set
Actual Time 5:34 AM EDT 8:22 PM EDT
Civil Twilight 5:01 AM EDT 8:54 PM EDT
Nautical Twilight 4:21 AM EDT 9:35 PM EDT
Astronomical Twilight 3:34 AM EDT 10:21 PM EDT
Moon 2:28 AM EDT (7/15) 5:36 PM EDT (7/15)
Length of Visible Light 15h 52m
Length of Day
14h 48m
Waning Crescent, 12% of the Moon is Illuminated
Jul 15
Waning Crescent
Jul 19
New
Jul 26
First Quarter
Aug 1
Full
Aug 9
Last Quarter

Weather History Calendar

Precipitation Actual month total 4.80 Normal Month Total: 3.43
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Thunderstorm
Actual:
89 | 69 0.03
Average:
81 | 65 0.10
Scattered Clouds
Actual:
86 | 66 0.00
Average:
81 | 65 0.10
Partly Cloudy
Actual:
86 | 64 0.00
Average:
81 | 65 0.09
Rain
Actual:
84 | 71 0.13
Average:
81 | 65 0.10
Partly Cloudy
Actual:
91 | 72 0.00
Average:
81 | 65 0.09
Fog
Actual:
87 | 68 0.00
Average:
81 | 65 0.10
Thunderstorm
Actual:
95 | 74 T
Average:
81 | 66 0.09
Partly Cloudy
Actual:
88 | 74 0.00
Average:
82 | 66 0.10
Partly Cloudy
Actual:
84 | 69 0.00
Average:
82 | 66 0.11
Partly Cloudy
Actual:
82 | 65 0.00
Average:
82 | 66 0.11
Partly Cloudy
Actual:
82 | 67 0.00
Average:
82 | 66 0.11
Partly Cloudy
Actual:
84 | 65 0.00
Average:
82 | 66 0.11
Mostly Cloudy
Actual:
86 | 69 0.00
Average:
82 | 66 0.12
Rain
Actual:
88 | 73 T
Average:
82 | 66 0.11
Thunderstorm
Actual:
86 | 72 0.64
Average:
82 | 66 0.11
Rain
Actual:
91 | 70 0.01
Average:
82 | 66 0.11
Partly Cloudy
Actual:
90 | 73 0.00
Average:
82 | 66 0.12
Thunderstorm
Actual:
94 | 73 0.26
Average:
82 | 66 0.12
Rain
Actual:
76 | 70 T
Average:
82 | 66 0.11
Rain
Actual:
70 | 61 0.57
Average:
82 | 66 0.12
Partly Cloudy
Actual:
76 | 60 0.00
Average:
82 | 67 0.11
Scattered Clouds
Actual:
78 | 58 T
Average:
82 | 67 0.11
Thunderstorm
Actual:
82 | 69 0.01
Average:
82 | 67 0.12
Partly Cloudy
Actual:
91 | 72 0.00
Average:
82 | 67 0.11
Scattered Clouds
Actual:
83 | 65 0.00
Average:
82 | 67 0.12
Thunderstorm
Actual:
84 | 70 0.16
Average:
82 | 67 0.12
Partly Cloudy
Actual:
89 | 71 0.00
Average:
82 | 67 0.12
Thunderstorm
Actual:
77 | 68 2.98
Average:
82 | 67 0.12
Mostly Cloudy
Actual:
80 | 66 0.01
Average:
82 | 67 0.12
Partly Cloudy
Actual:
78 | 64 0.00
Average:
82 | 67 0.13
Mostly Cloudy
Actual:
75 | 66 0.00
Average:
82 | 67 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

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 89 79 69 70 66 64 84 65 46 29.82 29.79 29.74 10 10 8 18 6 26 0.03 Rain , Thunderstorm
2 86 76 66 68 60 56 90 63 35 29.89 29.86 29.83 10 10 9 15 7 20 0.00  
3 86 75 64 71 62 57 87 64 40 29.93 29.89 29.83 10 10 10 14 6 18 0.00  
4 84 78 71 72 70 67 93 79 65 29.84 29.78 29.71 10 9 4 15 7 18 0.13 Rain
5 91 82 72 72 67 60 87 63 38 29.85 29.74 29.68 10 8 2 16 7 21 0.00  
6 87 78 68 70 67 63 100 74 48 29.91 29.87 29.84 10 7 0 14 6 17 0.00 Fog
7 95 85 74 72 68 64 93 67 41 29.86 29.81 29.76 10 9 6 21 8 28 T Thunderstorm
8 88 81 74 69 65 58 82 59 36 29.86 29.82 29.79 10 10 10 14 6 31 0.00  
9 84 77 69 63 57 52 70 52 34 29.96 29.91 29.85 10 10 10 15 7 20 0.00  
10 82 74 65 66 61 55 87 64 40 30.06 30.01 29.96 10 10 10 14 5 17 0.00  
11 82 75 67 67 64 57 93 69 45 30.18 30.14 30.07 10 10 10 14 4 20 0.00  
12 84 75 65 66 62 57 93 68 43 30.19 30.17 30.14 10 10 10 15 6 18 0.00  
13 86 78 69 67 64 62 79 64 48 30.19 30.17 30.15 10 10 10 12 6 15 0.00  
14 88 81 73 70 63 56 82 61 39 30.17 30.15 30.12 10 10 9 20 8 26 T Rain
15 86 79 72 74 71 64 87 76 65 30.12 30.00 29.91 10 9 1 23 7 31 0.64 Rain , Thunderstorm
16 91 81 70 74 69 63 97 69 41 29.91 29.83 29.77 10 10 8 16 7 23 0.01 Rain
17 90 82 73 72 67 63 76 59 41 29.83 29.78 29.74 10 10 8 20 9 28 0.00  
18 94 84 73 75 71 67 93 73 52 29.87 29.80 29.75 10 7 2 20 8 24 0.26 Rain , Thunderstorm
19 76 73 70 72 65 56 93 72 50 29.97 29.92 29.84 10 8 3 17 6 20 T Rain
20 70 66 61 64 61 59 97 88 78 30.04 30.00 29.94 10 8 2 17 8 22 0.57 Rain
21 76 68 60 61 58 54 93 73 53 30.12 30.07 30.03 10 10 10 15 6 18 0.00  
22 78 68 58 63 59 55 90 70 50 30.16 30.13 30.11 10 10 10 15 5 18 T  
23 82 76 69 73 70 63 94 82 69 30.10 29.98 29.77 10 10 7 18 9 25 0.01 Rain , Thunderstorm
24 91 82 72 73 68 62 94 69 44 29.78 29.65 29.56 10 9 4 25 11 31 0.00  
25 83 74 65 66 55 51 84 61 37 29.85 29.81 29.71 10 10 10 21 10 29 0.00  
26 84 77 70 74 69 61 87 76 64 29.78 29.71 29.63 10 9 6 22 11 29 0.16 Rain , Thunderstorm
27 89 80 71 72 70 67 93 72 50 29.85 29.75 29.64 10 10 10 14 7 21 0.00  
28 77 73 68 72 69 66 97 88 79 29.93 29.90 29.86 10 6 0 17 6 22 2.98 Fog , Rain , Thunderstorm
29 80 73 66 67 66 64 93 79 64 30.05 29.97 29.89 10 9 4 12 5 15 0.01  
30 78 71 64 64 63 62 93 76 58 30.12 30.09 30.05 10 10 10 14 5 20 0.00  
31 75 71 66 65 64 61 87 76 64 30.08 30.00 29.90 10 10 10 14 6 - 0.00