Weather History for Islip, NY

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Friday, January 24, 2014

  Actual Average Record
Temperature  
Mean Temperature 14 °F 30 °F  
Max Temperature 19 °F 38 °F 59 °F (1989)
Min Temperature 9 °F 23 °F 4 °F (2011)
Degree Days  
Heating Degree Days 51 35  
Month to date heating degree days 870 828  
Since 1 July heating degree days 2692 2755  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point -2 °F    
Average Humidity 49    
Maximum Humidity 58    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.12 in 1.58 in (1999)
Month to date precipitation 3.78 2.89  
Year to date precipitation 3.78 2.89  
Snow  
Snow 0.00 in 0.20 in 0.10 in (2005)
Month to date snowfall 22.4 5.2  
Since 1 July snowfall 30.8 11.1  
Snow Depth 8.00 in    
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 11 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 24, 2014 Rise Set
Actual Time 7:09 AM EST 5:00 PM EST
Civil Twilight 6:39 AM EST 5:29 PM EST
Nautical Twilight 6:06 AM EST 6:02 PM EST
Astronomical Twilight 5:34 AM EST 6:35 PM EST
Moon 12:33 AM EST (1/24) 11:17 AM EST (1/24)
Length of Visible Light 10h 49m
Length of Day
9h 50m
Last Quarter, 45% of the Moon is Illuminated
Jan 24
Last Quarter
Jan 30
New
Feb 6
First Quarter
Feb 14
Full
Feb 22
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 14.0 °F 0.5 °F -2.0 °F 49% 30.26 in 10.0 mi WNW 11.5 mph 21.9 mph N/A   Clear
1:56 AM 12.9 °F -1.6 °F -2.0 °F 51% 30.26 in 10.0 mi WNW 12.7 mph - N/A   Clear
2:56 AM 12.0 °F -2.0 °F -2.0 °F 53% 30.27 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
3:56 AM 10.9 °F -1.8 °F -2.0 °F 56% 30.26 in 10.0 mi WNW 9.2 mph - N/A   Clear
4:56 AM 10.0 °F -1.9 °F -2.9 °F 56% 30.28 in 10.0 mi West 8.1 mph - N/A   Clear
5:56 AM 10.0 °F -2.9 °F -2.9 °F 56% 30.30 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
6:56 AM 10.0 °F -4.5 °F -4.0 °F 53% 30.32 in 10.0 mi WNW 11.5 mph 23.0 mph N/A   Partly Cloudy
7:56 AM 10.0 °F -5.2 °F -2.9 °F 56% 30.33 in 10.0 mi WNW 12.7 mph 18.4 mph N/A   Partly Cloudy
8:56 AM 12.0 °F -5.6 °F -2.9 °F 51% 30.35 in 10.0 mi NW 18.4 mph 21.9 mph N/A   Partly Cloudy
9:56 AM 12.9 °F -1.6 °F -2.0 °F 51% 30.35 in 10.0 mi WNW 12.7 mph - N/A   Partly Cloudy
10:56 AM 14.0 °F -0.8 °F -0.9 °F 52% 30.35 in 10.0 mi West 13.8 mph - N/A   Partly Cloudy
11:56 AM 15.1 °F -0.1 °F -2.0 °F 47% 30.31 in 10.0 mi WNW 15.0 mph - N/A   Partly Cloudy
12:56 PM 16.0 °F 2.3 °F -2.0 °F 45% 30.28 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
1:56 PM 17.1 °F 2.5 °F -2.9 °F 41% 30.27 in 10.0 mi WNW 15.0 mph 23.0 mph N/A   Partly Cloudy
2:56 PM 18.0 °F 7.7 °F -2.9 °F 40% 30.25 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
3:56 PM 18.0 °F 6.9 °F -4.0 °F 38% 30.23 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
4:56 PM 16.0 °F 4.4 °F -4.0 °F 41% 30.22 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
5:56 PM 14.0 °F 3.9 °F -2.0 °F 49% 30.22 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
6:56 PM 12.9 °F 1.6 °F -2.0 °F 51% 30.22 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
7:56 PM 14.0 °F 3.9 °F -0.9 °F 52% 30.20 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
8:56 PM 14.0 °F 2.0 °F -0.0 °F 54% 30.18 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
9:56 PM 16.0 °F 4.4 °F 1.9 °F 54% 30.17 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
10:56 PM 17.1 °F 5.8 °F 1.9 °F 52% 30.14 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
11:56 PM 19.0 °F 6.1 °F 3.9 °F 52% 30.10 in 10.0 mi SW 12.7 mph 23.0 mph N/A   Mostly Cloudy