Islip, NY

11:00 AM EDT on October 16, 2019 (GMT -0400)
Long Island Mac Arthur

Weather History for KISP - September, 2019

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Friday, September 20, 2019

  Actual Average Record
Temperature  
Mean Temperature 62 °F 64 °F  
Max Temperature 78 °F 73 °F 87 °F (1983)
Min Temperature 47 °F 56 °F 38 °F (1979)
Degree Days  
Heating Degree Days 2 3  
Month to date heating degree days 20 28  
Since 1 July heating degree days 22 33  
Cooling Degree Days 0 2  
Month to date cooling degree days 62 78  
Year to date cooling degree days 936 764  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 67    
Maximum Humidity 96    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in 0.12 in 0.96 in (1988)
Month to date precipitation 0.33 2.33  
Year to date precipitation 32.71 33.47  
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 30.21 in    
Wind  
Wind Speed 4 mph ()    
Max Wind Speed 16 mph    
Max Gust Speed 22 mph    
Visibility 10.0 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Sep. 20, 2019 Rise Set
Actual Time 6:37 AM EDT 6:53 PM EDT
Civil Twilight 6:10 AM EDT 7:20 PM EDT
Nautical Twilight 5:38 AM EDT 7:52 PM EDT
Astronomical Twilight 5:05 AM EDT 8:25 PM EDT
Moon 10:38 PM EDT (9/20) 12:41 PM EDT (9/20)
Length of Visible Light 13h 10m
Length of Day
12h 15m
Waning Gibbous, 65% of the Moon is Illuminated
Sep 20
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
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 50.0 °F 48.9 °F 96% 30.27 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 51.1 °F 48.9 °F 92% 30.25 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 51.1 °F 48.9 °F 92% 30.24 in 10.0 mi West 3.5 mph - N/A   Clear
3:56 AM 51.1 °F 48.0 °F 89% 30.25 in 10.0 mi West 3.5 mph - N/A   Clear
4:56 AM 48.9 °F 46.9 °F 93% 30.24 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 48.9 °F 46.0 °F 90% 30.25 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
6:56 AM 48.0 °F 45.0 °F 89% 30.26 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:56 AM 55.0 °F 51.1 °F 86% 30.27 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
8:56 AM 62.1 °F 50.0 °F 65% 30.27 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
9:56 AM 66.9 °F 50.0 °F 54% 30.26 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
10:56 AM 72.0 °F 46.9 °F 41% 30.24 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
11:56 AM 73.9 °F 45.0 °F 35% 30.22 in 10.0 mi NW 15.0 mph 21.9 mph N/A   Scattered Clouds
12:56 PM 75.0 °F 44.1 °F 33% 30.20 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
1:56 PM 75.0 °F 44.1 °F 33% 30.18 in 10.0 mi NW 12.7 mph - N/A   Mostly Cloudy
2:56 PM 77.0 °F 46.0 °F 33% 30.17 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
3:56 PM 78.1 °F 45.0 °F 31% 30.16 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
4:56 PM 78.1 °F 45.0 °F 31% 30.14 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
5:56 PM 75.9 °F 44.1 °F 32% 30.15 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
6:56 PM 68.0 °F 55.9 °F 65% 30.16 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
7:56 PM 64.9 °F 57.0 °F 75% 30.17 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
8:56 PM 63.0 °F 57.9 °F 84% 30.18 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
9:56 PM 63.0 °F 59.0 °F 87% 30.19 in 10.0 mi West 3.5 mph - N/A   Scattered Clouds
10:56 PM 62.1 °F 59.0 °F 90% 30.18 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:56 PM 59.0 °F 57.0 °F 93% 30.17 in 10.0 mi Calm Calm - N/A   Partly Cloudy