Weather History for Islip, NY

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Sunday, August 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 78 °F 74 °F  
Max Temperature 84 °F 81 °F 89 °F (1990)
Min Temperature 72 °F 66 °F 56 °F (2006)
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 13 9  
Month to date cooling degree days 150 108  
Year to date cooling degree days 722 548  
Since 1 June cooling degree days 660 524  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 73    
Maximum Humidity 87    
Minimum Humidity 58    
Precipitation  
Precipitation T in 0.14 in 0.48 in (2013)
Month to date precipitation 2.52 1.54  
Year to date precipitation 28.64 28.70  
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 29.89 in    
Wind  
Wind Speed 7 mph (SW)    
Max Wind Speed 16 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 12, 2012 Rise Set
Actual Time 6:00 AM EDT 7:53 PM EDT
Civil Twilight 5:30 AM EDT 8:23 PM EDT
Nautical Twilight 4:54 AM EDT 8:59 PM EDT
Astronomical Twilight 4:15 AM EDT 9:38 PM EDT
Moon 1:10 AM EDT (8/12) 4:17 PM EDT (8/12)
Length of Visible Light 14h 53m
Length of Day
13h 53m
Waning Crescent, 24% of the Moon is Illuminated
Aug 12
Waning Crescent
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:42 AM 77.0 °F - 71.6 °F 83% 29.90 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
12:56 AM 75.9 °F - 70.0 °F 82% 29.90 in 10.0 mi SSW 9.2 mph 19.6 mph N/A   Mostly Cloudy
1:56 AM 75.0 °F - 70.0 °F 84% 29.88 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
2:56 AM 73.9 °F - 70.0 °F 87% 29.88 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
3:56 AM 73.9 °F - 70.0 °F 87% 29.87 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
4:56 AM 73.9 °F - 71.1 °F 91% 29.88 in 10.0 mi SW 3.5 mph - 0.00 in   Overcast
5:12 AM 73.4 °F - 71.6 °F 94% 29.88 in 10.0 mi WSW 3.5 mph - N/A   Overcast
5:28 AM 73.4 °F - 71.6 °F 94% 29.88 in 10.0 mi WSW 4.6 mph - N/A   Overcast
5:56 AM 73.0 °F - 70.0 °F 90% 29.89 in 10.0 mi SW 3.5 mph - N/A   Overcast
6:56 AM 73.9 °F - 70.0 °F 87% 29.90 in 10.0 mi WSW 3.5 mph - N/A   Overcast
7:56 AM 75.0 °F - 71.1 °F 87% 29.91 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
8:56 AM 78.1 °F - 71.1 °F 79% 29.91 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
9:56 AM 80.1 °F 83.2 °F 70.0 °F 71% 29.90 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
10:24 AM 80.6 °F 83.9 °F 69.8 °F 70% 29.90 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
10:56 AM 81.0 °F 84.4 °F 70.0 °F 69% 29.90 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
11:56 AM 82.0 °F 85.9 °F 70.0 °F 67% 29.89 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
12:56 PM 81.0 °F 84.9 °F 71.1 °F 72% 29.89 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
1:56 PM 82.9 °F 87.0 °F 70.0 °F 65% 29.89 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
2:56 PM 82.0 °F 84.1 °F 66.0 °F 58% 29.88 in 10.0 mi SW 15.0 mph - N/A   Scattered Clouds
3:56 PM 82.0 °F 84.1 °F 66.0 °F 58% 29.87 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
4:56 PM 82.0 °F 84.5 °F 66.9 °F 60% 29.88 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
5:56 PM 80.1 °F 83.2 °F 70.0 °F 71% 29.88 in 10.0 mi SSW 12.7 mph - N/A   Scattered Clouds
6:56 PM 79.0 °F - 70.0 °F 74% 29.89 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
7:56 PM 77.0 °F - 70.0 °F 79% 29.90 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
8:56 PM 75.9 °F - 70.0 °F 82% 29.91 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
9:56 PM 73.9 °F - 70.0 °F 87% 29.92 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
10:56 PM 73.9 °F - 70.0 °F 87% 29.92 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
11:56 PM 73.0 °F - 66.9 °F 81% 29.92 in 10.0 mi WNW 4.6 mph - N/A   Clear