Weather History for Islip, NY

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Thursday, May 30, 2013

  Actual Average Record
Temperature  
Mean Temperature 75 °F 63 °F  
Max Temperature 88 °F 72 °F 95 °F (1987)
Min Temperature 62 °F 55 °F 41 °F (2004)
Degree Days  
Heating Degree Days 0 4  
Month to date heating degree days 206 216  
Since 1 July heating degree days 5090 5387  
Cooling Degree Days 10 2  
Month to date cooling degree days 20 17  
Year to date cooling degree days 21 19  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 71    
Maximum Humidity 93    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 in 0.14 in 2.25 in (1984)
Month to date precipitation 3.05 3.64  
Year to date precipitation 15.35 19.32  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 46.9 24.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 7 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 30, 2013 Rise Set
Actual Time 5:24 AM EDT 8:16 PM EDT
Civil Twilight 4:51 AM EDT 8:48 PM EDT
Nautical Twilight 4:10 AM EDT 9:30 PM EDT
Astronomical Twilight 3:23 AM EDT 10:17 PM EDT
Moon 12:14 AM EDT (5/30) 11:30 AM EDT (5/30)
Length of Visible Light 15h 57m
Length of Day
14h 52m
Waning Gibbous, 62% of the Moon is Illuminated
May 30
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 64.9 °F - 60.1 °F 84% 30.07 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
1:56 AM 64.0 °F - 59.0 °F 84% 30.08 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
2:56 AM 64.0 °F - 59.0 °F 84% 30.07 in 10.0 mi SW 5.8 mph - N/A   Clear
3:56 AM 63.0 °F - 59.0 °F 87% 30.07 in 10.0 mi WSW 3.5 mph - N/A   Clear
4:56 AM 62.1 °F - 59.0 °F 90% 30.07 in 8.0 mi Calm Calm - N/A   Clear
5:56 AM 63.0 °F - 61.0 °F 93% 30.09 in 5.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 66.9 °F - 63.0 °F 87% 30.10 in 5.0 mi WSW 4.6 mph - N/A   Scattered Clouds
7:56 AM 73.9 °F - 66.0 °F 76% 30.10 in 5.0 mi WSW 6.9 mph - N/A   Haze
8:56 AM 79.0 °F - 66.0 °F 64% 30.11 in 10.0 mi WSW 8.1 mph - N/A   Clear
9:56 AM 82.9 °F 85.0 °F 66.0 °F 56% 30.11 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
10:56 AM 87.1 °F 89.2 °F 66.0 °F 49% 30.10 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
11:56 AM 84.0 °F 86.5 °F 66.9 °F 56% 30.10 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
12:56 PM 84.9 °F 87.1 °F 66.0 °F 53% 30.10 in 10.0 mi SSW 10.4 mph - N/A   Partly Cloudy
1:56 PM 86.0 °F 87.6 °F 64.9 °F 49% 30.09 in 10.0 mi SSW 9.2 mph - N/A   Partly Cloudy
2:56 PM 86.0 °F 87.3 °F 64.0 °F 48% 30.08 in 10.0 mi SSW 10.4 mph - N/A   Partly Cloudy
3:56 PM 82.9 °F 84.4 °F 64.0 °F 53% 30.07 in 10.0 mi South 11.5 mph - N/A   Partly Cloudy
4:56 PM 81.0 °F 82.5 °F 64.0 °F 56% 30.07 in 10.0 mi SW 12.7 mph - N/A   Partly Cloudy
5:56 PM 78.1 °F - 63.0 °F 60% 30.07 in 10.0 mi SW 11.5 mph - N/A   Partly Cloudy
6:56 PM 77.0 °F - 62.1 °F 60% 30.06 in 10.0 mi SW 11.5 mph - N/A   Partly Cloudy
7:56 PM 75.0 °F - 60.1 °F 60% 30.06 in 10.0 mi WSW 9.2 mph - N/A   Clear
8:56 PM 71.1 °F - 61.0 °F 70% 30.06 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
9:56 PM 68.0 °F - 61.0 °F 78% 30.08 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
10:56 PM 66.9 °F - 60.1 °F 79% 30.08 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
11:56 PM 64.9 °F - 60.1 °F 84% 30.09 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy