Weather History for Islip, NY

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Tuesday, January 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 34 °F 32 °F  
Max Temperature 40 °F 39 °F 60 °F (2005)
Min Temperature 28 °F 24 °F 12 °F (1997)
Degree Days  
Heating Degree Days 31 33  
Month to date heating degree days 31 33  
Since 1 July heating degree days 1744 1960  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 21 °F    
Average Humidity 54    
Maximum Humidity 64    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in 0.12 in 1.38 in (2007)
Month to date precipitation 0.00 0.12  
Year to date precipitation 0.00 0.12  
Snow  
Snow 0.00 in 0.20 in 0.20 in (2010)
Month to date snowfall 0.0 0.2  
Since 1 July snowfall 4.8 6.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 13 mph (WNW)    
Max Wind Speed 21 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 01, 2013 Rise Set
Actual Time 7:16 AM EST 4:35 PM EST
Civil Twilight 6:45 AM EST 5:06 PM EST
Nautical Twilight 6:11 AM EST 5:40 PM EST
Astronomical Twilight 5:38 AM EST 6:14 PM EST
Moon 9:05 PM EST (1/1) 9:25 AM EST (1/1)
Length of Visible Light 10h 20m
Length of Day
9h 19m
Waning Gibbous, 83% of the Moon is Illuminated
Jan 1
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 39.9 °F 31.8 °F 24.1 °F 53% 29.85 in 10.0 mi West 15.0 mph 21.9 mph N/A   Overcast
1:56 AM 39.9 °F 32.5 °F 25.0 °F 55% 29.86 in 10.0 mi West 12.7 mph - N/A   Overcast
2:56 AM 39.0 °F 31.8 °F 25.0 °F 57% 29.84 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
4:56 AM 39.9 °F 32.1 °F 25.0 °F 55% 29.86 in 10.0 mi West 13.8 mph - N/A   Overcast
5:56 AM 39.0 °F 31.4 °F 26.1 °F 60% 29.85 in 10.0 mi WSW 12.7 mph - N/A   Overcast
7:56 AM 39.0 °F 31.8 °F 25.0 °F 57% 29.86 in 10.0 mi West 11.5 mph - N/A   Overcast
8:56 AM 39.0 °F 31.4 °F 25.0 °F 57% 29.86 in 10.0 mi West 12.7 mph - N/A   Overcast
9:56 AM 39.9 °F 32.1 °F 26.1 °F 58% 29.87 in 10.0 mi West 13.8 mph 20.7 mph N/A   Overcast
10:56 AM 39.9 °F 31.4 °F 26.1 °F 58% 29.86 in 10.0 mi WNW 16.1 mph 21.9 mph N/A   Overcast
11:56 AM 39.0 °F 33.4 °F 27.0 °F 62% 29.84 in 10.0 mi WNW 8.1 mph - N/A   Overcast
12:56 PM 37.9 °F 29.6 °F 26.1 °F 62% 29.83 in 10.0 mi WNW 13.8 mph 18.4 mph N/A   Overcast
2:56 PM 37.9 °F 32.7 °F 24.1 °F 57% 29.83 in 10.0 mi WNW 6.9 mph - N/A   Overcast
3:56 PM 37.9 °F 29.2 °F 19.9 °F 48% 29.84 in 10.0 mi WNW 15.0 mph - N/A   Mostly Cloudy
4:56 PM 36.0 °F 28.0 °F 19.0 °F 50% 29.86 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
5:56 PM 35.1 °F 24.5 °F 16.0 °F 46% 29.88 in 10.0 mi NW 18.4 mph 24.2 mph N/A   Mostly Cloudy
6:56 PM 34.0 °F 24.6 °F 14.0 °F 44% 29.90 in 10.0 mi NW 13.8 mph 21.9 mph N/A   Mostly Cloudy
7:56 PM 32.0 °F 21.6 °F 12.9 °F 45% 29.91 in 10.0 mi NW 15.0 mph 20.7 mph N/A   Mostly Cloudy
8:56 PM 30.9 °F 22.2 °F 12.0 °F 46% 29.93 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
9:56 PM 30.0 °F 19.1 °F 10.0 °F 43% 29.94 in 10.0 mi NW 15.0 mph 23.0 mph N/A   Mostly Cloudy
10:56 PM 28.9 °F 19.8 °F 12.0 °F 49% 29.97 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
11:56 PM 28.0 °F 18.6 °F 12.0 °F 51% 29.97 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy