Weather History for Islip, NY

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Saturday, March 23, 2013

  Actual Average Record
Temperature  
Mean Temperature 39 °F 41 °F  
Max Temperature 47 °F 49 °F 75 °F (2012)
Min Temperature 30 °F 33 °F 15 °F (2004)
Degree Days  
Heating Degree Days 26 24  
Month to date heating degree days 642 619  
Since 1 July heating degree days 4255 4514  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 18 °F    
Average Humidity 46    
Maximum Humidity 63    
Minimum Humidity 28    
Precipitation  
Precipitation 0.00 in 0.15 in 0.39 in (2005)
Month to date precipitation 2.40 3.29  
Year to date precipitation 10.53 10.19  
Snow  
Snow 0.00 in 0.00 in 0.60 in (2011)
Month to date snowfall 7.4 3.8  
Since 1 July snowfall 46.9 23.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 15 mph (WNW)    
Max Wind Speed 30 mph    
Max Gust Speed 39 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Mar. 23, 2013 Rise Set
Actual Time 6:50 AM EDT 7:07 PM EDT
Civil Twilight 6:23 AM EDT 7:35 PM EDT
Nautical Twilight 5:50 AM EDT 8:07 PM EDT
Astronomical Twilight 5:18 AM EDT 8:40 PM EDT
Moon 3:30 PM EDT (3/23) 4:26 AM EDT (3/23)
Length of Visible Light 13h 12m
Length of Day
12h 17m
Waxing Gibbous, 85% of the Moon is Illuminated
Mar 23
Waxing Gibbous
Mar 27
Full
Apr 3
Last Quarter
Apr 10
New
Apr 18
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 35.1 °F 27.9 °F 19.9 °F 54% 29.85 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
1:56 AM 34.0 °F 25.5 °F 19.9 °F 56% 29.84 in 10.0 mi West 11.5 mph - N/A   Clear
2:56 AM 33.1 °F 26.9 °F 19.0 °F 56% 29.84 in 10.0 mi West 6.9 mph - N/A   Clear
3:56 AM 30.9 °F 24.3 °F 19.9 °F 64% 29.83 in 10.0 mi West 6.9 mph - N/A   Clear
4:56 AM 32.0 °F 25.6 °F 19.9 °F 61% 29.83 in 10.0 mi West 6.9 mph - N/A   Clear
5:56 AM 32.0 °F 24.2 °F 19.0 °F 59% 29.83 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
6:56 AM 32.0 °F 24.2 °F 18.0 °F 56% 29.84 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
7:56 AM 34.0 °F 26.0 °F 18.0 °F 52% 29.85 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
8:56 AM 37.0 °F 26.7 °F 19.0 °F 48% 29.83 in 10.0 mi WNW 19.6 mph 26.5 mph N/A   Clear
9:56 AM 39.0 °F 29.0 °F 19.0 °F 45% 29.82 in 10.0 mi WNW 20.7 mph 27.6 mph N/A   Partly Cloudy
10:56 AM 42.1 °F 33.1 °F 19.0 °F 40% 29.81 in 10.0 mi WNW 20.7 mph 32.2 mph N/A   Partly Cloudy
11:56 AM 43.0 °F 34.5 °F 19.0 °F 38% 29.81 in 10.0 mi WNW 19.6 mph 34.5 mph N/A   Partly Cloudy
12:56 PM 44.1 °F 34.6 °F 18.0 °F 35% 29.79 in 10.0 mi WNW 26.5 mph 35.7 mph N/A   Partly Cloudy
1:56 PM 45.0 °F 36.2 °F 18.0 °F 34% 29.78 in 10.0 mi WNW 24.2 mph 33.4 mph N/A   Scattered Clouds
2:56 PM 46.0 °F 38.5 °F 16.0 °F 30% 29.77 in 10.0 mi NW 19.6 mph 33.4 mph N/A   Scattered Clouds
3:56 PM 45.0 °F 36.2 °F 17.1 °F 33% 29.76 in 10.0 mi NW 24.2 mph 35.7 mph N/A   Scattered Clouds
4:56 PM 45.0 °F 37.4 °F 16.0 °F 31% 29.77 in 10.0 mi WNW 18.4 mph 34.5 mph N/A   Partly Cloudy
5:56 PM 44.1 °F 35.9 °F 16.0 °F 32% 29.78 in 10.0 mi WNW 19.6 mph 29.9 mph N/A   Partly Cloudy
6:56 PM 42.1 °F 33.9 °F 15.1 °F 34% 29.81 in 10.0 mi WNW 17.3 mph 29.9 mph N/A   Partly Cloudy
7:56 PM 41.0 °F 32.5 °F 16.0 °F 36% 29.83 in 10.0 mi WNW 17.3 mph 26.5 mph N/A   Partly Cloudy
8:56 PM 39.0 °F 31.4 °F 17.1 °F 41% 29.86 in 10.0 mi WNW 12.7 mph 20.7 mph N/A   Partly Cloudy
9:56 PM 39.0 °F 31.0 °F 16.0 °F 39% 29.87 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Partly Cloudy
10:56 PM 37.0 °F 29.8 °F 17.1 °F 44% 29.88 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
11:56 PM 36.0 °F 27.5 °F 18.0 °F 48% 29.89 in 10.0 mi WNW 12.7 mph - N/A   Partly Cloudy