Islip, NY

1:13 AM EST on December 06, 2019 (GMT -0500)
Long Island Mac Arthur

Weather History for KISP - September, 2019

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Sunday, September 15, 2019

  Actual Average Record
Temperature  
Mean Temperature 72 °F 66 °F  
Max Temperature 80 °F 74 °F 84 °F (2008)
Min Temperature 65 °F 58 °F 40 °F (1975)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 4 16  
Since 1 July heating degree days 6 21  
Cooling Degree Days 8 3  
Month to date cooling degree days 60 66  
Year to date cooling degree days 934 752  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 67 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 54    
Precipitation  
Precipitation 0.00 in 0.12 in 3.12 in (1966)
Month to date precipitation 0.33 1.74  
Year to date precipitation 32.71 32.88  
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 30.13 in    
Wind  
Wind Speed 6 mph ()    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 9.9 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. 15, 2019 Rise Set
Actual Time 6:32 AM EDT 7:01 PM EDT
Civil Twilight 6:05 AM EDT 7:29 PM EDT
Nautical Twilight 5:32 AM EDT 8:01 PM EDT
Astronomical Twilight 4:59 AM EDT 8:34 PM EDT
Moon 8:07 PM EDT (9/15) 7:40 AM EDT (9/15)
Length of Visible Light 13h 24m
Length of Day
12h 29m
Full, 98% of the Moon is Illuminated
Sep 15
Full
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
12:41 AM 71.1 °F 70.0 °F 96% 30.17 in 10.0 mi SW 10.4 mph - N/A   Overcast
12:56 AM 71.1 °F 70.0 °F 96% 30.17 in 10.0 mi SW 9.2 mph - N/A   Overcast
1:52 AM 71.6 °F 69.8 °F 94% 30.16 in 10.0 mi SW 6.9 mph - N/A   Overcast
1:56 AM 71.1 °F 70.0 °F 96% 30.16 in 10.0 mi SSW 6.9 mph - N/A   Overcast
2:14 AM 71.1 °F 70.0 °F 96% 30.15 in 10.0 mi SW 6.9 mph - N/A   Overcast
2:37 AM 71.1 °F 70.0 °F 96% 30.15 in 10.0 mi SW 6.9 mph - N/A   Overcast
2:56 AM 71.1 °F 70.0 °F 96% 30.15 in 10.0 mi SW 6.9 mph - N/A   Overcast
3:00 AM 71.1 °F 70.0 °F 96% 30.15 in 10.0 mi SW 6.9 mph - N/A   Overcast
3:38 AM 71.1 °F 70.0 °F 96% 30.14 in 10.0 mi WSW 4.6 mph - N/A   Overcast
3:56 AM 70.0 °F 70.0 °F 100% 30.14 in 10.0 mi WSW 6.9 mph - N/A   Overcast
4:09 AM 70.0 °F 70.0 °F 100% 30.14 in 10.0 mi WSW 5.8 mph - N/A   Overcast
4:56 AM 70.0 °F 70.0 °F 100% 30.15 in 10.0 mi WNW 4.6 mph - N/A   Overcast
5:11 AM 70.0 °F 70.0 °F 100% 30.15 in 10.0 mi WNW 4.6 mph - N/A   Overcast
5:56 AM 69.1 °F 69.1 °F 100% 30.16 in 9.0 mi Calm Calm - N/A   Overcast
6:56 AM 68.0 °F 68.0 °F 100% 30.16 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 AM 70.0 °F 68.0 °F 93% 30.15 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
8:56 AM 71.1 °F 66.0 °F 84% 30.16 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
9:56 AM 73.9 °F 64.9 °F 73% 30.16 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
10:56 AM 75.9 °F 63.0 °F 64% 30.15 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
11:56 AM 77.0 °F 61.0 °F 58% 30.15 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:56 PM 79.0 °F 61.0 °F 54% 30.13 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
1:56 PM 78.1 °F 64.0 °F 62% 30.10 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
2:56 PM 78.1 °F 66.0 °F 66% 30.08 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
3:56 PM 78.1 °F 66.0 °F 66% 30.07 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
4:56 PM 77.0 °F 64.0 °F 64% 30.07 in 10.0 mi SW 10.4 mph - N/A   Partly Cloudy
5:56 PM 75.9 °F 62.1 °F 62% 30.08 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
6:56 PM 72.0 °F 64.9 °F 78% 30.08 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
7:56 PM 70.0 °F 66.9 °F 90% 30.08 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
8:56 PM 69.1 °F 66.9 °F 93% 30.07 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
9:56 PM 66.9 °F 66.0 °F 97% 30.06 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
10:56 PM 66.9 °F 64.9 °F 93% 30.06 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
11:56 PM 66.0 °F 64.9 °F 96% 30.06 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds