Islip, NY

7:53 AM EDT on July 28, 2017 (GMT -0400)
Long Island Mac Arthur

Weather History for KISP - February, 2015

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Wednesday, February 18, 2015

  Actual Average Record
Temperature  
Mean Temperature 19 °F 33 °F  
Max Temperature 31 °F 41 °F 60 °F (2011)
Min Temperature 7 °F 26 °F 7 °F (2015)
Degree Days  
Heating Degree Days 46 32  
Month to date heating degree days 773 595  
Since 1 July heating degree days 3585 3587  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 11 °F    
Average Humidity 69    
Maximum Humidity 92    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in 0.12 in 0.93 in (1999)
Month to date precipitation 1.70 1.98  
Year to date precipitation 6.95 5.62  
Snow  
Snow 0.00 in 0.30 in 2.00 in (2014)
Month to date snowfall 10.8 4.5  
Since 1 July snowfall 41.4 17.1  
Snow Depth 13.00 in    
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 3 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 13 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Feb. 18, 2015 Rise Set
Actual Time 6:42 AM EST 5:30 PM EST
Civil Twilight 6:14 AM EST 5:58 PM EST
Nautical Twilight 5:42 AM EST 6:30 PM EST
Astronomical Twilight 5:11 AM EST 7:02 PM EST
Moon 6:10 AM EST (2/18) 5:28 PM EST (2/18)
Length of Visible Light 11h 43m
Length of Day
10h 47m
Waning Crescent, 0% of the Moon is Illuminated
Feb 18
Waning Crescent
Feb 18
New
Feb 25
First Quarter
Mar 5
Full
Mar 13
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 10.0 °F - 6.1 °F 84% 29.93 in 7.0 mi Calm Calm - N/A   Clear
1:56 AM 9.0 °F - 3.9 °F 80% 29.93 in 9.0 mi Calm Calm - N/A   Clear
2:56 AM 8.1 °F 1.4 °F 3.9 °F 83% 29.92 in 8.0 mi NE 3.5 mph - N/A   Clear
3:56 AM 8.1 °F -0.5 °F 3.9 °F 83% 29.90 in 7.0 mi NNW 4.6 mph - N/A   Clear
4:56 AM 8.1 °F -0.5 °F 3.0 °F 80% 29.90 in 8.0 mi NNW 4.6 mph - N/A   Clear
5:56 AM 9.0 °F - 5.0 °F 84% 29.92 in 7.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 7.0 °F - 3.0 °F 84% 29.92 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 AM 10.0 °F 3.6 °F 8.1 °F 92% 29.92 in 7.0 mi North 3.5 mph - N/A   Mostly Cloudy
8:56 AM 21.0 °F 12.4 °F 15.1 °F 78% 29.90 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
9:56 AM 21.9 °F 12.5 °F 15.1 °F 75% 29.88 in 10.0 mi North 8.1 mph - N/A   Overcast
10:56 AM 25.0 °F 18.1 °F 16.0 °F 69% 29.87 in 10.0 mi NNE 5.8 mph - N/A   Overcast
11:56 AM 30.0 °F - 16.0 °F 56% 29.84 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:56 PM 30.9 °F - 15.1 °F 52% 29.81 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 PM 28.9 °F - 12.9 °F 51% 29.77 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:56 PM 28.0 °F 20.8 °F 12.0 °F 51% 29.75 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
3:56 PM 28.0 °F 19.3 °F 10.0 °F 47% 29.75 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
4:56 PM 28.0 °F 22.8 °F 14.0 °F 56% 29.74 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
5:56 PM 28.0 °F 22.8 °F 16.0 °F 61% 29.75 in 10.0 mi SW 4.6 mph - N/A   Overcast
6:56 PM 27.0 °F 23.0 °F 16.0 °F 63% 29.75 in 10.0 mi SSW 3.5 mph - N/A   Overcast
7:56 PM 26.1 °F - 15.1 °F 63% 29.73 in 10.0 mi Calm Calm - N/A   Overcast
8:56 PM 25.0 °F - 15.1 °F 66% 29.74 in 10.0 mi Calm Calm - N/A   Overcast
9:56 PM 26.1 °F - 17.1 °F 69% 29.74 in 10.0 mi Calm Calm - N/A   Overcast
10:56 PM 24.1 °F - 16.0 °F 71% 29.72 in 10.0 mi Calm Calm - N/A   Overcast
11:56 PM 24.1 °F 19.7 °F 16.0 °F 71% 29.71 in 10.0 mi SW 3.5 mph - N/A   Overcast