Islip, NY

1:47 AM EDT on October 23, 2019 (GMT -0400)
Long Island Mac Arthur

Weather History for KISP - August, 2019

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Wednesday, August 21, 2019

  Actual Average Record
Temperature  
Mean Temperature 78 °F 72 °F  
Max Temperature 84 °F 80 °F 94 °F (1995)
Min Temperature 72 °F 65 °F 47 °F (1977)
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 14 8  
Month to date cooling degree days 226 180  
Year to date cooling degree days 826 620  
Since 1 June cooling degree days 799 596  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 75 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 65    
Precipitation  
Precipitation 0.28 in 0.14 in 1.31 in (1997)
Month to date precipitation 2.47 2.75  
Year to date precipitation 31.36 29.91  
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 29.94 in    
Wind  
Wind Speed 8 mph ()    
Max Wind Speed 29 mph    
Max Gust Speed 38 mph    
Visibility 8.9 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Aug. 21, 2019 Rise Set
Actual Time 6:08 AM EDT 7:42 PM EDT
Civil Twilight 5:39 AM EDT 8:11 PM EDT
Nautical Twilight 5:04 AM EDT 8:45 PM EDT
Astronomical Twilight 4:27 AM EDT 9:22 PM EDT
Moon 10:56 PM EDT (8/21) 11:43 AM EDT (8/21)
Length of Visible Light 14h 31m
Length of Day
13h 33m
Waning Gibbous, 69% of the Moon is Illuminated
Aug 21
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
12:56 AM 73.9 °F - 72.0 °F 93% 30.05 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 75.0 °F - 73.9 °F 96% 30.04 in 10.0 mi South 5.8 mph - N/A   Clear
2:33 AM 75.9 °F - 75.0 °F 97% 30.03 in 9.0 mi South 5.8 mph - N/A   Partly Cloudy
2:51 AM 75.2 °F - 75.2 °F 100% 30.02 in 8.0 mi South 8.1 mph - N/A   Mostly Cloudy
2:56 AM 75.9 °F - 75.9 °F 100% 30.02 in 9.0 mi South 8.1 mph - N/A   Scattered Clouds
3:08 AM 77.0 °F - 75.9 °F 96% 30.02 in 8.0 mi South 8.1 mph - N/A   Mostly Cloudy
3:56 AM 75.9 °F - 75.9 °F 100% 30.01 in 6.0 mi SW 6.9 mph - N/A   Overcast
4:16 AM 77.0 °F - 75.9 °F 96% 30.01 in 7.0 mi SSW 5.8 mph - N/A   Overcast
4:56 AM 77.0 °F - 77.0 °F 100% 29.99 in 7.0 mi SW 5.8 mph - N/A   Overcast
5:56 AM 77.0 °F - 75.9 °F 96% 29.98 in 8.0 mi South 5.8 mph - N/A   Mostly Cloudy
6:16 AM 77.0 °F - 75.9 °F 96% 29.97 in 6.0 mi Calm Calm - N/A   Overcast
6:56 AM 77.0 °F - 75.9 °F 96% 29.98 in 8.0 mi SSE 4.6 mph - N/A   Overcast
7:56 AM 77.0 °F - 77.0 °F 100% 29.99 in 7.0 mi South 5.8 mph - N/A   Overcast
8:56 AM 79.0 °F - 75.9 °F 90% 29.97 in 10.0 mi South 8.1 mph - N/A   Overcast
9:38 AM 80.1 °F 85.4 °F 75.9 °F 87% 29.96 in 10.0 mi SW 11.5 mph - N/A   Overcast
9:56 AM 80.1 °F 85.1 °F 75.0 °F 85% 29.96 in 10.0 mi WSW 10.4 mph - N/A   Overcast
10:34 AM 82.0 °F 87.9 °F 73.9 °F 76% 29.96 in 10.0 mi SW 11.5 mph - N/A   Overcast
10:56 AM 82.9 °F 90.2 °F 75.0 °F 77% 29.95 in 10.0 mi SSW 12.7 mph - N/A   Overcast
11:36 AM 82.9 °F 89.4 °F 73.9 °F 74% 29.94 in 10.0 mi SSW 18.4 mph 23.0 mph N/A   Overcast
11:56 AM 84.9 °F 92.1 °F 73.9 °F 69% 29.94 in 10.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
12:56 PM 84.0 °F 89.6 °F 72.0 °F 67% 29.93 in 10.0 mi SW 17.3 mph 24.2 mph N/A   Overcast
1:56 PM 82.9 °F 88.8 °F 73.0 °F 72% 29.91 in 10.0 mi SSW 13.8 mph 20.7 mph N/A   Overcast
2:56 PM 82.9 °F 90.2 °F 75.0 °F 77% 29.90 in 10.0 mi SW 15.0 mph 23.0 mph N/A   Mostly Cloudy
3:56 PM 84.0 °F 91.9 °F 75.0 °F 74% 29.88 in 10.0 mi SW 17.3 mph 23.0 mph N/A   Mostly Cloudy
4:56 PM 84.0 °F 93.7 °F 77.0 °F 79% 29.87 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
5:56 PM 80.1 °F 84.5 °F 73.9 °F 81% 29.86 in 10.0 mi SSW 12.7 mph 21.9 mph N/A   Mostly Cloudy
6:29 PM 80.1 °F 84.5 °F 73.9 °F 81% 29.87 in 10.0 mi SSW 15.0 mph 21.9 mph N/A Thunderstorm Overcast
6:44 PM 80.1 °F 84.5 °F 73.9 °F 81% 29.87 in 10.0 mi SSW 13.8 mph 23.0 mph N/A   Overcast
6:56 PM 79.0 °F - 73.9 °F 84% 29.87 in 10.0 mi SSW 16.1 mph 28.8 mph N/A   Overcast
7:03 PM 79.0 °F - 75.0 °F 88% 29.87 in 8.0 mi SSW 18.4 mph - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
7:16 PM 75.9 °F - 73.0 °F 91% 29.90 in 1.2 mi WSW 24.2 mph 38.0 mph 0.04 in Rain , Thunderstorm Heavy Thunderstorms and Rain
7:40 PM 73.0 °F - 69.1 °F 87% 29.88 in 5.0 mi SW 9.2 mph - 0.28 in Rain , Thunderstorm Light Thunderstorms and Rain
7:56 PM 73.0 °F - 70.0 °F 90% 29.87 in 10.0 mi SSW 9.2 mph - 0.28 in Thunderstorm Thunderstorm
8:56 PM 75.9 °F - 75.0 °F 97% 29.88 in 10.0 mi SSW 15.0 mph 21.9 mph 0.00 in   Overcast
9:56 PM 78.1 °F - 77.0 °F 96% 29.89 in 10.0 mi SW 13.8 mph - N/A   Overcast
10:04 PM 77.0 °F - 77.0 °F 100% 29.89 in 10.0 mi SW 15.0 mph 23.0 mph N/A   Overcast
10:56 PM 77.0 °F - 75.9 °F 96% 29.87 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
11:56 PM 75.9 °F - 75.0 °F 97% 29.87 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds