Islip, NY

6:39 PM EDT on October 22, 2019 (GMT -0400)
Long Island Mac Arthur

Weather History for KISP - August, 2019

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Saturday, August 17, 2019

  Actual Average Record
Temperature  
Mean Temperature 77 °F 73 °F  
Max Temperature 82 °F 81 °F 91 °F (1997)
Min Temperature 71 °F 66 °F 54 °F (1979)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 16 40  
Since 1 July heating degree days 0 2  
Cooling Degree Days 12 8  
Month to date cooling degree days 169 148  
Year to date cooling degree days 769 588  
Since 1 June cooling degree days 742 564  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 73 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 79    
Precipitation  
Precipitation 0.37 in 0.13 in 1.27 in (1992)
Month to date precipitation 1.57 2.21  
Year to date precipitation 30.46 29.37  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 5 mph (East)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Aug. 17, 2019 Rise Set
Actual Time 6:04 AM EDT 7:47 PM EDT
Civil Twilight 5:35 AM EDT 8:17 PM EDT
Nautical Twilight 4:59 AM EDT 8:52 PM EDT
Astronomical Twilight 4:21 AM EDT 9:30 PM EDT
Moon 9:13 PM EDT (8/17) 7:50 AM EDT (8/17)
Length of Visible Light 14h 42m
Length of Day
13h 43m
Waning Gibbous, 96% of the Moon is Illuminated
Aug 17
Waning Gibbous
Aug 23
Last Quarter
Aug 30
New
Sep 5
First Quarter
Sep 14
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:21 AM 71.1 °F - 69.1 °F 93% 30.05 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
12:56 AM 71.1 °F - 70.0 °F 96% 30.04 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
1:28 AM 71.1 °F - 70.0 °F 96% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:56 AM 71.1 °F - 70.0 °F 96% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
2:53 AM 71.6 °F - 69.8 °F 94% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
2:56 AM 71.1 °F - 70.0 °F 96% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
3:56 AM 72.0 °F - 71.1 °F 97% 30.03 in 10.0 mi NE 3.5 mph - N/A   Overcast
4:56 AM 72.0 °F - 71.1 °F 97% 30.01 in 10.0 mi ENE 3.5 mph - N/A   Overcast
5:56 AM 72.0 °F - 71.1 °F 97% 30.02 in 10.0 mi East 3.5 mph - N/A   Overcast
6:56 AM 73.0 °F - 71.1 °F 93% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
7:56 AM 73.9 °F - 72.0 °F 93% 30.03 in 10.0 mi NE 4.6 mph - N/A   Overcast
8:56 AM 75.0 °F - 73.0 °F 94% 30.02 in 10.0 mi ENE 5.8 mph - 0.00 in Rain Light Rain
9:56 AM 77.0 °F - 73.0 °F 88% 30.03 in 10.0 mi ESE 4.6 mph - 0.00 in   Overcast
10:56 AM 79.0 °F - 73.9 °F 84% 30.04 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
11:56 AM 79.0 °F - 75.0 °F 88% 30.02 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
12:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 30.01 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
1:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 30.02 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
2:56 PM 73.0 °F - 73.0 °F 100% 30.01 in 3.0 mi North 6.9 mph - 0.35 in   Overcast
3:52 PM 80.6 °F 86.2 °F 75.2 °F 84% 29.98 in 10.0 mi East 5.8 mph - 0.02 in   Mostly Cloudy
3:56 PM 80.1 °F 85.4 °F 75.9 °F 87% 29.97 in 10.0 mi East 5.8 mph - 0.02 in   Mostly Cloudy
4:26 PM 80.1 °F 85.1 °F 75.0 °F 85% 29.97 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
4:56 PM 81.0 °F 86.7 °F 75.0 °F 82% 29.96 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
5:56 PM 79.0 °F - 75.0 °F 88% 29.96 in 10.0 mi SSE 12.7 mph - N/A   Mostly Cloudy
6:23 PM 77.0 °F - 73.9 °F 90% 29.96 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
6:56 PM 75.9 °F - 73.9 °F 94% 29.96 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
7:56 PM 75.0 °F - 73.9 °F 96% 29.97 in 10.0 mi ESE 6.9 mph - N/A   Overcast
8:56 PM 75.0 °F - 73.9 °F 96% 29.99 in 10.0 mi SSE 5.8 mph - N/A   Overcast
9:56 PM 75.0 °F - 73.9 °F 96% 29.99 in 10.0 mi SSW 3.5 mph - N/A   Overcast
10:56 PM 73.9 °F - 73.9 °F 100% 29.99 in 10.0 mi SW 5.8 mph - N/A   Overcast
11:53 PM 73.4 °F - 73.4 °F 100% 30.00 in 10.0 mi WSW 3.5 mph - N/A   Overcast
11:56 PM 73.9 °F - 73.9 °F 100% 30.00 in 10.0 mi WSW 3.5 mph - N/A   Overcast