Weather History for Islip, NY

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Thursday, April 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F 48 °F  
Max Temperature 61 °F 56 °F 69 °F (2010)
Min Temperature 46 °F 39 °F 26 °F (2007)
Degree Days  
Heating Degree Days 11 17  
Month to date heating degree days 185 209  
Since 1 July heating degree days 4618 4901  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 0  
Year to date cooling degree days 1 0  
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 76    
Maximum Humidity 96    
Minimum Humidity 55    
Precipitation  
Precipitation T in 0.16 in 0.92 in (2009)
Month to date precipitation 0.41 1.67  
Year to date precipitation 11.18 13.01  
Snow  
Snow 0.00 in 0.10 in - ()
Month to date snowfall 0.0 0.4  
Since 1 July snowfall 46.9 24.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 10 mph (NE)    
Max Wind Speed 21 mph    
Max Gust Speed 25 mph    
Visibility 6 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 11, 2013 Rise Set
Actual Time 6:19 AM EDT 7:27 PM EDT
Civil Twilight 5:51 AM EDT 7:56 PM EDT
Nautical Twilight 5:17 AM EDT 8:29 PM EDT
Astronomical Twilight 4:42 AM EDT 9:05 PM EDT
Moon 6:48 AM EDT (4/11) 9:00 PM EDT (4/11)
Length of Visible Light 14h 04m
Length of Day
13h 08m
New Moon, 2% of the Moon is Illuminated
Apr 11
New Moon
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
12:47 AM 53.6 °F - 51.8 °F 94% 29.82 in 5.0 mi SSE 5.8 mph - 0.08 in Rain Light Rain
12:56 AM 53.1 °F - 51.1 °F 93% 29.79 in 5.0 mi SE 9.2 mph - 0.08 in   Mostly Cloudy
1:56 AM 53.1 °F - 51.1 °F 93% 29.82 in 6.0 mi West 3.5 mph - 0.00 in   Overcast
2:49 AM 53.6 °F - 51.8 °F 94% 29.79 in 5.0 mi NNW 3.5 mph - N/A   Overcast
2:56 AM 54.0 °F - 52.0 °F 93% 29.78 in 5.0 mi NW 3.5 mph - N/A   Overcast
3:56 AM 55.0 °F - 53.1 °F 93% 29.79 in 4.0 mi NW 4.6 mph - N/A   Overcast
4:11 AM 55.4 °F - 53.6 °F 94% 29.80 in 1.8 mi NNW 9.2 mph - N/A   Overcast
4:31 AM 53.6 °F - 51.8 °F 94% 29.82 in 0.5 mi NNW 9.2 mph - N/A Fog Fog
4:42 AM 53.6 °F - 51.8 °F 94% 29.82 in 0.2 mi NNW 6.9 mph - N/A Fog Fog
4:53 AM 53.6 °F - 51.8 °F 94% 29.82 in 0.2 mi North 5.8 mph - N/A Fog Fog
4:56 AM 53.1 °F - 51.1 °F 93% 29.83 in 0.2 mi NNE 5.8 mph - N/A Fog Fog
5:23 AM 51.8 °F - 50.0 °F 94% 29.85 in 0.5 mi North 4.6 mph - N/A Fog Fog
5:33 AM 51.8 °F - 48.2 °F 88% 29.86 in 0.5 mi North 5.8 mph - N/A Fog Fog
5:56 AM 50.0 °F - 48.0 °F 93% 29.86 in 0.1 mi North 5.8 mph - N/A Fog Fog
6:32 AM 50.0 °F - 48.2 °F 94% 29.88 in 1.0 mi NE 4.6 mph - 0.00 in Rain Light Rain
6:56 AM 51.1 °F - 48.9 °F 92% 29.91 in 1.5 mi North 6.9 mph - 0.00 in   Overcast
7:20 AM 51.8 °F - 48.2 °F 88% 29.91 in 2.0 mi NNE 5.8 mph - N/A   Overcast
7:56 AM 52.0 °F - 50.0 °F 93% 29.91 in 6.0 mi NE 9.2 mph - N/A   Overcast
8:29 AM 51.8 °F - 48.2 °F 88% 29.92 in 8.0 mi NNE 8.1 mph - N/A   Overcast
8:56 AM 52.0 °F - 48.0 °F 86% 29.93 in 10.0 mi NE 6.9 mph - N/A   Overcast
9:56 AM 52.0 °F - 46.0 °F 80% 29.94 in 10.0 mi NNE 12.7 mph - N/A   Overcast
10:37 AM 53.6 °F - 46.4 °F 77% 29.94 in 10.0 mi NE 12.7 mph - N/A   Overcast
10:56 AM 55.9 °F - 46.0 °F 69% 29.95 in 10.0 mi NE 10.4 mph - N/A   Overcast
11:56 AM 59.0 °F - 46.0 °F 62% 29.95 in 10.0 mi NNE 10.4 mph - N/A   Overcast
12:56 PM 60.1 °F - 45.0 °F 57% 29.96 in 10.0 mi NNE 12.7 mph - N/A   Overcast
1:56 PM 60.1 °F - 45.0 °F 57% 29.96 in 10.0 mi ENE 6.9 mph - N/A   Overcast
2:56 PM 55.9 °F - 46.9 °F 72% 29.97 in 10.0 mi SE 11.5 mph - N/A   Overcast
3:56 PM 53.1 °F - 45.0 °F 74% 29.96 in 10.0 mi ESE 15.0 mph - N/A   Overcast
4:56 PM 51.1 °F - 43.0 °F 74% 29.96 in 10.0 mi ESE 13.8 mph - N/A   Overcast
5:56 PM 48.9 °F - 39.9 °F 71% 29.99 in 10.0 mi ESE 18.4 mph - N/A   Overcast
6:22 PM 48.2 °F - 41.0 °F 76% 29.99 in 10.0 mi East 18.4 mph - N/A   Overcast
6:56 PM 46.9 °F - 39.9 °F 77% 30.02 in 10.0 mi ESE 12.7 mph - N/A   Overcast
7:56 PM 46.0 °F 39.6 °F 37.9 °F 73% 30.02 in 10.0 mi ESE 15.0 mph - N/A   Overcast
8:21 PM 46.4 °F 40.1 °F 37.4 °F 71% 30.02 in 10.0 mi ESE 15.0 mph 21.9 mph N/A   Overcast
8:56 PM 46.0 °F 39.9 °F 36.0 °F 68% 30.03 in 10.0 mi East 13.8 mph - N/A   Overcast
9:56 PM 46.9 °F - 35.1 °F 63% 30.04 in 10.0 mi East 12.7 mph - N/A   Overcast
10:56 PM 46.9 °F - 34.0 °F 61% 30.04 in 10.0 mi East 9.2 mph - N/A   Overcast
11:56 PM 46.9 °F - 34.0 °F 61% 30.05 in 10.0 mi ENE 10.4 mph - N/A   Overcast