Weather History for Islip, NY

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Saturday, January 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 36 °F 30 °F  
Max Temperature 48 °F 38 °F 56 °F (1996)
Min Temperature 24 °F 23 °F 1 °F (1994)
Degree Days  
Heating Degree Days 29 35  
Month to date heating degree days 541 653  
Since 1 July heating degree days 2254 2580  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 28 °F    
Average Humidity 58    
Maximum Humidity 70    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.12 in 0.92 in (2001)
Month to date precipitation 1.50 2.30  
Year to date precipitation 1.50 2.30  
Snow  
Snow 0.00 in 0.20 in 3.70 in (2005)
Month to date snowfall 0.2 4.2  
Since 1 July snowfall 5.0 10.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 16 mph (SW)    
Max Wind Speed 29 mph    
Max Gust Speed 38 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 19, 2013 Rise Set
Actual Time 7:12 AM EST 4:54 PM EST
Civil Twilight 6:42 AM EST 5:24 PM EST
Nautical Twilight 6:09 AM EST 5:57 PM EST
Astronomical Twilight 5:36 AM EST 6:30 PM EST
Moon 11:19 AM EST (1/19) 12:43 AM EST (1/19)
Length of Visible Light 10h 41m
Length of Day
9h 41m
First Quarter, 57% of the Moon is Illuminated
Jan 19
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First 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 30.0 °F 21.1 °F 17.1 °F 59% 30.39 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
1:56 AM 32.0 °F 24.8 °F 16.0 °F 52% 30.38 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
2:56 AM 33.1 °F 24.9 °F 18.0 °F 54% 30.36 in 10.0 mi SW 10.4 mph - N/A   Partly Cloudy
3:56 AM 34.0 °F 26.0 °F 19.9 °F 56% 30.34 in 10.0 mi SW 10.4 mph - N/A   Partly Cloudy
4:56 AM 36.0 °F 26.7 °F 21.0 °F 55% 30.32 in 10.0 mi SSW 15.0 mph 23.0 mph N/A   Clear
5:56 AM 36.0 °F 26.7 °F 23.0 °F 59% 30.31 in 10.0 mi SW 15.0 mph 21.9 mph N/A   Partly Cloudy
6:56 AM 37.9 °F 28.9 °F 25.0 °F 60% 30.29 in 10.0 mi SW 16.1 mph 24.2 mph N/A   Scattered Clouds
7:56 AM 39.0 °F 29.3 °F 26.1 °F 60% 30.29 in 10.0 mi SW 19.6 mph 28.8 mph N/A   Partly Cloudy
8:56 AM 41.0 °F 32.5 °F 26.1 °F 55% 30.28 in 10.0 mi SW 17.3 mph 26.5 mph N/A   Partly Cloudy
9:56 AM 42.1 °F 33.1 °F 27.0 °F 55% 30.27 in 10.0 mi SW 20.7 mph 32.2 mph N/A   Scattered Clouds
10:56 AM 44.1 °F 35.2 °F 26.1 °F 49% 30.22 in 10.0 mi SSW 23.0 mph 35.7 mph N/A   Scattered Clouds
11:56 AM 45.0 °F 36.2 °F 26.1 °F 48% 30.18 in 10.0 mi SW 24.2 mph 36.8 mph N/A   Scattered Clouds
12:56 PM 46.0 °F 38.8 °F 27.0 °F 47% 30.15 in 10.0 mi SW 18.4 mph 31.1 mph N/A   Scattered Clouds
1:56 PM 46.9 °F - 28.9 °F 50% 30.11 in 10.0 mi SW 19.6 mph 26.5 mph N/A   Scattered Clouds
2:56 PM 46.9 °F - 30.9 °F 54% 30.09 in 10.0 mi SW 16.1 mph 27.6 mph N/A   Mostly Cloudy
3:56 PM 46.9 °F - 32.0 °F 56% 30.07 in 10.0 mi SSW 12.7 mph 21.9 mph N/A   Mostly Cloudy
4:56 PM 44.1 °F 38.1 °F 33.1 °F 65% 30.06 in 10.0 mi SW 11.5 mph 23.0 mph N/A   Scattered Clouds
5:56 PM 44.1 °F 37.4 °F 34.0 °F 68% 30.05 in 10.0 mi SW 13.8 mph 21.9 mph N/A   Scattered Clouds
6:56 PM 44.1 °F 37.1 °F 35.1 °F 71% 30.05 in 10.0 mi SW 15.0 mph 21.9 mph N/A   Scattered Clouds
7:56 PM 44.1 °F 37.1 °F 35.1 °F 71% 30.03 in 10.0 mi SW 15.0 mph 20.7 mph N/A   Scattered Clouds
8:56 PM 44.1 °F 35.9 °F 34.0 °F 68% 30.01 in 10.0 mi SSW 19.6 mph 25.3 mph N/A   Scattered Clouds
9:56 PM 44.1 °F 36.5 °F 33.1 °F 65% 29.99 in 10.0 mi SW 17.3 mph 24.2 mph N/A   Scattered Clouds
10:56 PM 44.1 °F 35.9 °F 33.1 °F 65% 29.97 in 10.0 mi SW 19.6 mph 27.6 mph N/A   Scattered Clouds
11:56 PM 44.1 °F 35.9 °F 34.0 °F 68% 29.94 in 10.0 mi SSW 19.6 mph 26.5 mph N/A   Mostly Cloudy