Weather Almanac for Islip, NY

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Tuesday, February 17, 2015

  Average Record
Temperature  
Mean Temperature 33 °F  
Max Temperature 41 °F 57 °F (2006)
Min Temperature 25 °F 9 °F (1994)
Degree Days  
Heating Degree Days 32  
Month to date heating degree days   563  
Since 1 July heating degree days   3555  
Cooling Degree Days 0  
Month to date cooling degree days   0  
Year to date cooling degree days   0  
Moisture  
Dew Point    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.11 in 0.62 in (1988)
Month to date precipitation   1.86  
Year to date precipitation   5.50  
Snow  
Snow 0.30 in 2.50 in (1996)
Month to date snowfall   4.2  
Since 1 July snowfall   16.8  
Snow Depth    
Wind  
Wind Speed    
Max Wind Speed    
Max Gust Speed    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 17, 2015 Rise Set
Actual Time 6:44 AM EST 5:29 PM EST
Civil Twilight 6:16 AM EST 5:57 PM EST
Nautical Twilight 5:44 AM EST 6:29 PM EST
Astronomical Twilight 5:12 AM EST 7:01 PM EST
Moon 5:26 AM EST 4:14 PM EST
Length of Visible Light 11h 41m
Length of Day
10h 45m
Waning Crescent, 3% of the Moon is Illuminated
Feb 17
Waning Crescent
Feb 18
New
Feb 25
First Quarter
Mar 5
Full
Mar 13
Last Quarter

No daily or hourly history data available