Weather History for Islip, NY

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Tuesday, April 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 50 °F 49 °F  
Max Temperature 59 °F 58 °F 88 °F (2002)
Min Temperature 41 °F 41 °F 32 °F (1997)
Degree Days  
Heating Degree Days 15 16  
Month to date heating degree days 272 291  
Since 1 July heating degree days 4705 4983  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 0  
Year to date cooling degree days 1 0  
Moisture  
Dew Point 44 °F    
Average Humidity 75    
Maximum Humidity 89    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in 0.14 in 2.31 in (1996)
Month to date precipitation 1.24 2.41  
Year to date precipitation 12.01 13.75  
Snow  
Snow 0.00 in 0.10 in - ()
Month to date snowfall 0.0 0.5  
Since 1 July snowfall 46.9 24.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.28 in    
Wind  
Wind Speed 12 mph (SSE)    
Max Wind Speed 23 mph    
Max Gust Speed 33 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 16, 2013 Rise Set
Actual Time 6:11 AM EDT 7:33 PM EDT
Civil Twilight 5:43 AM EDT 8:01 PM EDT
Nautical Twilight 5:09 AM EDT 8:36 PM EDT
Astronomical Twilight 4:33 AM EDT 9:12 PM EDT
Moon 10:26 AM EDT (4/16) 12:29 AM EDT (4/16)
Length of Visible Light 14h 18m
Length of Day
13h 21m
Waxing Crescent, 33% of the Moon is Illuminated
Apr 16
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New

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 42.1 °F 39.2 °F 36.0 °F 79% 30.38 in 10.0 mi East 4.6 mph - N/A   Clear
1:56 AM 41.0 °F 38.0 °F 36.0 °F 82% 30.36 in 10.0 mi East 4.6 mph - N/A   Clear
2:56 AM 42.1 °F 40.2 °F 37.9 °F 85% 30.35 in 10.0 mi East 3.5 mph - N/A   Clear
3:56 AM 43.0 °F - 39.9 °F 89% 30.36 in 10.0 mi Calm Calm - N/A   Overcast
4:56 AM 43.0 °F 40.3 °F 39.9 °F 89% 30.35 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
5:56 AM 46.0 °F 42.5 °F 42.1 °F 86% 30.35 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
6:56 AM 48.0 °F - 43.0 °F 83% 30.36 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
7:56 AM 50.0 °F - 42.1 °F 74% 30.37 in 10.0 mi SE 12.7 mph - N/A   Mostly Cloudy
8:56 AM 52.0 °F - 43.0 °F 71% 30.36 in 10.0 mi SE 11.5 mph - N/A   Mostly Cloudy
9:56 AM 55.0 °F - 43.0 °F 64% 30.37 in 10.0 mi SSE 15.0 mph - N/A   Partly Cloudy
10:56 AM 57.0 °F - 45.0 °F 64% 30.36 in 10.0 mi SSE 13.8 mph - N/A   Partly Cloudy
11:56 AM 57.0 °F - 45.0 °F 64% 30.34 in 10.0 mi South 17.3 mph - N/A   Partly Cloudy
12:56 PM 57.9 °F - 46.0 °F 65% 30.31 in 10.0 mi South 17.3 mph 26.5 mph N/A   Partly Cloudy
1:56 PM 59.0 °F - 46.9 °F 64% 30.30 in 10.0 mi South 17.3 mph 25.3 mph N/A   Scattered Clouds
2:56 PM 57.9 °F - 48.0 °F 70% 30.30 in 10.0 mi South 15.0 mph - N/A   Mostly Cloudy
3:56 PM 57.0 °F - 48.0 °F 72% 30.26 in 10.0 mi South 16.1 mph 31.1 mph N/A   Mostly Cloudy
4:56 PM 55.9 °F - 48.9 °F 77% 30.24 in 10.0 mi South 13.8 mph 26.5 mph N/A   Mostly Cloudy
5:56 PM 55.9 °F - 48.9 °F 77% 30.19 in 10.0 mi South 20.7 mph 27.6 mph N/A   Mostly Cloudy
6:56 PM 55.0 °F - 48.0 °F 77% 30.16 in 10.0 mi South 17.3 mph 26.5 mph N/A   Mostly Cloudy
7:56 PM 54.0 °F - 46.9 °F 77% 30.14 in 10.0 mi South 18.4 mph 27.6 mph N/A   Mostly Cloudy
8:56 PM 53.1 °F - 46.9 °F 80% 30.17 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
9:56 PM 53.1 °F - 46.9 °F 80% 30.18 in 10.0 mi SW 12.7 mph 24.2 mph N/A   Mostly Cloudy
10:56 PM 52.0 °F - 46.9 °F 83% 30.17 in 10.0 mi SW 12.7 mph 18.4 mph N/A   Mostly Cloudy
11:15 PM 51.8 °F - 46.4 °F 82% 30.16 in 10.0 mi SW 12.7 mph 17.3 mph N/A   Overcast
11:56 PM 53.1 °F - 48.9 °F 86% 30.14 in 10.0 mi SSW 12.7 mph - N/A   Overcast