Weather History for Islip, NY

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Saturday, August 25, 2012

  Actual Average Record
Temperature  
Mean Temperature 75 °F 72 °F  
Max Temperature 83 °F 79 °F 92 °F (1998)
Min Temperature 67 °F 64 °F 51 °F (1987)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 25 40  
Since 1 July heating degree days 0 2  
Cooling Degree Days 10 7  
Month to date cooling degree days 258 208  
Year to date cooling degree days 830 648  
Since 1 June cooling degree days 768 624  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 70    
Maximum Humidity 93    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in 0.13 in 2.13 in (1985)
Month to date precipitation 4.65 3.27  
Year to date precipitation 30.77 30.43  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 6 mph (East)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 8 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 25, 2012 Rise Set
Actual Time 6:12 AM EDT 7:35 PM EDT
Civil Twilight 5:44 AM EDT 8:03 PM EDT
Nautical Twilight 5:09 AM EDT 8:37 PM EDT
Astronomical Twilight 4:33 AM EDT 9:13 PM EDT
Moon 3:06 PM EDT (8/25) No Moon Set
Length of Visible Light 14h 19m
Length of Day
13h 22m
Waxing Gibbous, 62% of the Moon is Illuminated
Aug 25
Waxing Gibbous
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 70.0 °F - 66.9 °F 90% 30.17 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
1:56 AM 70.0 °F - 66.9 °F 90% 30.18 in 6.0 mi Calm Calm - N/A   Overcast
2:56 AM 70.0 °F - 66.9 °F 90% 30.19 in 4.0 mi Calm Calm - N/A   Overcast
3:56 AM 69.1 °F - 66.9 °F 93% 30.19 in 5.0 mi Calm Calm - N/A   Overcast
4:56 AM 70.0 °F - 66.9 °F 90% 30.19 in 4.0 mi Calm Calm - N/A   Mostly Cloudy
5:56 AM 69.1 °F - 66.9 °F 93% 30.21 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
6:56 AM 69.1 °F - 66.9 °F 93% 30.22 in 3.0 mi Calm Calm - N/A Fog Mostly Cloudy
7:56 AM 72.0 °F - 69.1 °F 91% 30.23 in 4.0 mi East 5.8 mph - N/A   Mostly Cloudy
8:56 AM 75.9 °F - 70.0 °F 82% 30.24 in 9.0 mi East 8.1 mph - N/A   Mostly Cloudy
9:56 AM 78.1 °F - 66.0 °F 66% 30.25 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
10:56 AM 80.1 °F 82.1 °F 66.0 °F 62% 30.26 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
11:56 AM 80.1 °F 81.9 °F 64.9 °F 60% 30.25 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
12:56 PM 81.0 °F 82.5 °F 64.0 °F 56% 30.25 in 10.0 mi East 9.2 mph 17.3 mph N/A   Mostly Cloudy
1:56 PM 82.0 °F 82.4 °F 60.1 °F 47% 30.25 in 10.0 mi ESE 12.7 mph - N/A   Mostly Cloudy
2:56 PM 82.0 °F 83.1 °F 63.0 °F 52% 30.25 in 10.0 mi ESE 13.8 mph 18.4 mph N/A   Mostly Cloudy
3:56 PM 78.8 °F - 60.8 °F 54% 30.24 in 10.0 mi ESE 13.8 mph - N/A   Mostly Cloudy
4:56 PM 77.0 °F - 57.9 °F 52% 30.25 in 10.0 mi ESE 12.7 mph - N/A   Mostly Cloudy
5:56 PM 75.0 °F - 57.9 °F 55% 30.25 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy
6:56 PM 73.0 °F - 59.0 °F 61% 30.26 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy
7:56 PM 72.0 °F - 60.1 °F 66% 30.27 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
8:56 PM 71.1 °F - 60.1 °F 68% 30.28 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
9:56 PM 69.1 °F - 61.0 °F 75% 30.27 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
10:56 PM 68.0 °F - 61.0 °F 78% 30.27 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy