Weather History for Islip, NY

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Friday, May 10, 2013

  Actual Average Record
Temperature  
Mean Temperature 64 °F 57 °F  
Max Temperature 77 °F 66 °F 81 °F (1987)
Min Temperature 50 °F 48 °F 37 °F (2010)
Degree Days  
Heating Degree Days 1 9  
Month to date heating degree days 91 99  
Since 1 July heating degree days 4975 5270  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1 2  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 66    
Maximum Humidity 96    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in 0.11 in 1.76 in (1989)
Month to date precipitation 0.31 1.16  
Year to date precipitation 12.61 16.84  
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 29.95 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 10, 2013 Rise Set
Actual Time 5:39 AM EDT 7:58 PM EDT
Civil Twilight 5:09 AM EDT 8:28 PM EDT
Nautical Twilight 4:31 AM EDT 9:06 PM EDT
Astronomical Twilight 3:49 AM EDT 9:48 PM EDT
Moon 6:02 AM EDT (5/10) 8:45 PM EDT (5/10)
Length of Visible Light 15h 19m
Length of Day
14h 18m
New Moon, 0% of the Moon is Illuminated
May 10
New Moon
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 54.0 °F 51.1 °F 90% 29.93 in 8.0 mi Calm Calm - N/A   Clear
1:56 AM 54.0 °F 52.0 °F 93% 29.92 in 8.0 mi WSW 3.5 mph - N/A   Clear
2:56 AM 53.1 °F 50.0 °F 89% 29.93 in 7.0 mi Calm Calm - N/A   Clear
3:56 AM 51.1 °F 48.9 °F 92% 29.93 in 8.0 mi Calm Calm - N/A   Clear
4:56 AM 52.0 °F 50.0 °F 93% 29.94 in 8.0 mi Calm Calm - N/A   Clear
5:56 AM 50.0 °F 48.9 °F 96% 29.96 in 4.0 mi West 3.5 mph - N/A   Partly Cloudy
6:56 AM 57.0 °F 54.0 °F 89% 29.97 in 4.0 mi WSW 5.8 mph - N/A   Partly Cloudy
7:56 AM 61.0 °F 55.9 °F 83% 29.98 in 5.0 mi West 3.5 mph - N/A   Haze
8:56 AM 68.0 °F 55.9 °F 65% 29.98 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
9:56 AM 70.0 °F 53.1 °F 55% 29.98 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:56 AM 75.0 °F 50.0 °F 41% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:56 AM 73.0 °F 52.0 °F 48% 29.96 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
12:56 PM 73.9 °F 53.1 °F 48% 29.96 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
1:56 PM 75.0 °F 51.1 °F 43% 29.96 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
2:56 PM 77.0 °F 48.0 °F 36% 29.95 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
3:56 PM 71.1 °F 52.0 °F 51% 29.95 in 10.0 mi South 12.7 mph - N/A   Overcast
4:56 PM 68.0 °F 53.1 °F 59% 29.95 in 10.0 mi South 5.8 mph - N/A   Overcast
5:56 PM 66.9 °F 53.1 °F 61% 29.96 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
6:56 PM 64.9 °F 54.0 °F 68% 29.95 in 10.0 mi SSW 8.1 mph - N/A   Overcast
7:56 PM 63.0 °F 54.0 °F 72% 29.95 in 10.0 mi SSW 5.8 mph - N/A   Overcast
8:56 PM 62.1 °F 54.0 °F 75% 29.94 in 10.0 mi South 6.9 mph - N/A   Overcast
9:56 PM 61.0 °F 55.0 °F 81% 29.95 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
10:56 PM 60.1 °F 54.0 °F 80% 29.93 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
11:56 PM 59.0 °F 54.0 °F 83% 29.91 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy