Weather History for Islip, NY

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Saturday, May 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F 57 °F  
Max Temperature 77 °F 66 °F 87 °F (1991)
Min Temperature 43 °F 48 °F 37 °F (1990)
Degree Days  
Heating Degree Days 5 8  
Month to date heating degree days 103 115  
Since 1 July heating degree days 4166 5286  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 6 2  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 47    
Maximum Humidity 75    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in 0.12 in 1.74 in (2006)
Month to date precipitation 3.02 1.39  
Year to date precipitation 11.32 17.07  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 4.7 24.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 6 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 12, 2012 Rise Set
Actual Time 5:37 AM EDT 8:00 PM EDT
Civil Twilight 5:06 AM EDT 8:31 PM EDT
Nautical Twilight 4:28 AM EDT 9:09 PM EDT
Astronomical Twilight 3:46 AM EDT 9:52 PM EDT
Moon 1:12 AM EDT (5/12) 12:14 PM EDT (5/12)
Length of Visible Light 15h 24m
Length of Day
14h 22m
Waning Gibbous, 53% of the Moon is Illuminated
May 12
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 51.1 °F 35.1 °F 54% 30.10 in 10.0 mi WNW 3.5 mph - N/A   Clear
1:56 AM 46.4 °F 35.6 °F 66% 30.10 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 45.0 °F 36.0 °F 71% 30.10 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 45.0 °F 35.1 °F 68% 30.12 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 44.1 °F 35.1 °F 71% 30.13 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 45.0 °F 36.0 °F 71% 30.15 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 51.1 °F 39.0 °F 63% 30.17 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 59.0 °F 37.0 °F 44% 30.19 in 10.0 mi WNW 8.1 mph - N/A   Clear
8:56 AM 64.0 °F 37.9 °F 38% 30.20 in 10.0 mi WNW 8.1 mph - N/A   Clear
9:56 AM 68.0 °F 37.0 °F 32% 30.20 in 10.0 mi WNW 6.9 mph - N/A   Clear
10:56 AM 71.1 °F 37.9 °F 30% 30.20 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
11:56 AM 73.9 °F 37.0 °F 26% 30.19 in 10.0 mi West 8.1 mph 16.1 mph N/A   Partly Cloudy
12:56 PM 73.9 °F 28.9 °F 19% 30.18 in 10.0 mi NW 12.7 mph 18.4 mph N/A   Partly Cloudy
1:56 PM 75.9 °F 30.0 °F 19% 30.17 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
2:56 PM 75.0 °F 37.0 °F 25% 30.15 in 10.0 mi SW 15.0 mph 23.0 mph N/A   Scattered Clouds
3:56 PM 73.0 °F 39.9 °F 30% 30.15 in 10.0 mi SW 16.1 mph - N/A   Mostly Cloudy
4:56 PM 72.0 °F 41.0 °F 33% 30.14 in 10.0 mi WSW 17.3 mph 23.0 mph N/A   Mostly Cloudy
5:56 PM 71.1 °F 44.1 °F 38% 30.14 in 10.0 mi WSW 11.5 mph - N/A   Mostly Cloudy
6:56 PM 68.0 °F 44.1 °F 42% 30.13 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
7:56 PM 64.9 °F 45.0 °F 48% 30.14 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
8:56 PM 61.0 °F 48.0 °F 62% 30.15 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
9:56 PM 60.8 °F 48.2 °F 63% 30.16 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
10:56 PM 60.1 °F 48.9 °F 67% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:56 PM 59.0 °F 51.1 °F 75% 30.15 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy