Islip, NY

10:53 PM EDT on September 18, 2019 (GMT -0400)
Long Island Mac Arthur

Weather History for KISP - August, 2019

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Monday, August 19, 2019

  Actual Average Record
Temperature  
Mean Temperature 79 °F 73 °F  
Max Temperature 86 °F 80 °F 91 °F (2002)
Min Temperature 72 °F 65 °F 54 °F (1968)
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 197 164  
Year to date cooling degree days 797 604  
Since 1 June cooling degree days 770 580  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 74    
Precipitation  
Precipitation 0.29 in 0.14 in 5.91 in (1991)
Month to date precipitation 2.19 2.48  
Year to date precipitation 31.08 29.64  
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 29.98 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 37 mph    
Max Gust Speed 50 mph    
Visibility 9 miles    
Events Rain , Thunderstorm    
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. 19, 2019 Rise Set
Actual Time 6:06 AM EDT 7:45 PM EDT
Civil Twilight 5:37 AM EDT 8:14 PM EDT
Nautical Twilight 5:01 AM EDT 8:49 PM EDT
Astronomical Twilight 4:24 AM EDT 9:26 PM EDT
Moon 10:03 PM EDT 9:46 AM EDT
Length of Visible Light 14h 36m
Length of Day
13h 38m
Waning Gibbous, 85% of the Moon is Illuminated
Aug 19
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% 29.96 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 73.9 °F - 73.0 °F 97% 29.96 in 10.0 mi South 4.6 mph - N/A   Clear
2:12 AM 73.9 °F - 73.9 °F 100% 29.96 in 9.0 mi South 4.6 mph - N/A   Partly Cloudy
2:26 AM 75.0 °F - 73.9 °F 96% 29.95 in 8.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
2:47 AM 75.0 °F - 75.0 °F 100% 29.95 in 9.0 mi South 6.9 mph - N/A   Scattered Clouds
2:56 AM 75.0 °F - 75.0 °F 100% 29.95 in 9.0 mi SW 5.8 mph - N/A   Mostly Cloudy
3:04 AM 75.0 °F - 75.0 °F 100% 29.95 in 8.0 mi SW 6.9 mph - N/A   Mostly Cloudy
3:56 AM 75.9 °F - 75.9 °F 100% 29.95 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
4:56 AM 75.9 °F - 75.9 °F 100% 29.98 in 10.0 mi West 9.2 mph - N/A   Overcast
5:56 AM 75.0 °F - 75.0 °F 100% 29.99 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
6:56 AM 75.9 °F - 75.0 °F 97% 29.99 in 10.0 mi West 3.5 mph - N/A   Scattered Clouds
7:56 AM 77.0 °F - 75.0 °F 94% 30.00 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
8:05 AM 77.0 °F - 75.0 °F 94% 30.00 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
8:36 AM 77.0 °F - 75.0 °F 94% 29.99 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
8:56 AM 78.1 °F - 75.0 °F 90% 29.99 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
9:56 AM 82.0 °F 89.4 °F 75.9 °F 82% 29.99 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
10:56 AM 82.0 °F 89.4 °F 75.9 °F 82% 29.99 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
11:56 AM 82.9 °F 90.8 °F 75.9 °F 79% 29.99 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
12:56 PM 84.0 °F 91.9 °F 75.0 °F 74% 29.98 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
1:56 PM 84.0 °F 91.9 °F 75.0 °F 74% 29.98 in 10.0 mi SSW 11.5 mph - N/A   Partly Cloudy
2:56 PM 82.9 °F 90.8 °F 75.9 °F 79% 29.96 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
3:56 PM 84.0 °F 92.6 °F 75.9 °F 76% 29.95 in 10.0 mi South 15.0 mph - N/A   Scattered Clouds
5:07 PM 80.1 °F 85.4 °F 75.9 °F 87% 29.96 in 10.0 mi SSW 13.8 mph 21.9 mph N/A   Overcast
5:29 PM 79.0 °F - 75.9 °F 90% 29.96 in 10.0 mi SW 15.0 mph - N/A Thunderstorm Thunderstorm
5:56 PM 79.0 °F - 73.0 °F 82% 29.98 in 10.0 mi WSW 15.0 mph - N/A Thunderstorm Thunderstorm
6:16 PM 73.0 °F - 70.0 °F 90% 29.99 in 1.0 mi WSW 23.0 mph 34.5 mph 0.01 in Rain , Thunderstorm Heavy Thunderstorms and Rain
6:31 PM 73.0 °F - 70.0 °F 90% 29.98 in 4.0 mi South 10.4 mph - 0.29 in Rain , Thunderstorm Thunderstorms and Rain
6:56 PM 75.9 °F - 72.0 °F 87% 29.98 in 10.0 mi SW 4.6 mph - 0.29 in Thunderstorm Mostly Cloudy
7:05 PM 75.9 °F - 72.0 °F 87% 29.98 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
7:56 PM 75.0 °F - 72.0 °F 90% 29.96 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
8:56 PM 73.9 °F - 73.0 °F 97% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:56 PM 73.9 °F - 71.1 °F 91% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:56 PM 73.9 °F - 72.0 °F 93% 30.00 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
11:56 PM 73.0 °F - 71.1 °F 93% 30.00 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy