Islip, NY

5:13 PM EST on November 20, 2019 (GMT -0500)
Long Island Mac Arthur

Weather History for KISP - September, 2019

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Thursday, September 19, 2019

  Actual Average Record
Temperature  
Mean Temperature 58 °F 64 °F  
Max Temperature 69 °F 73 °F 85 °F (1983)
Min Temperature 46 °F 56 °F 44 °F (1990)
Degree Days  
Heating Degree Days 8 3  
Month to date heating degree days 18 25  
Since 1 July heating degree days 20 30  
Cooling Degree Days 0 2  
Month to date cooling degree days 62 76  
Year to date cooling degree days 936 762  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 67    
Maximum Humidity 93    
Minimum Humidity 29    
Precipitation  
Precipitation 0.00 in 0.11 in 1.61 in (1972)
Month to date precipitation 0.33 2.21  
Year to date precipitation 32.71 33.35  
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 30.31 in    
Wind  
Wind Speed 5 mph ()    
Max Wind Speed 13 mph    
Max Gust Speed 18 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. 19, 2019 Rise Set
Actual Time 6:36 AM EDT 6:55 PM EDT
Civil Twilight 6:09 AM EDT 7:22 PM EDT
Nautical Twilight 5:37 AM EDT 7:54 PM EDT
Astronomical Twilight 5:04 AM EDT 8:27 PM EDT
Moon 10:00 PM EDT (9/19) 11:39 AM EDT (9/19)
Length of Visible Light 13h 13m
Length of Day
12h 18m
Waning Gibbous, 74% of the Moon is Illuminated
Sep 19
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 51.1 °F 39.0 °F 63% 30.31 in 10.0 mi ENE 6.9 mph - N/A   Clear
1:56 AM 48.9 °F 39.0 °F 69% 30.31 in 10.0 mi NE 4.6 mph - N/A   Clear
2:56 AM 48.0 °F 39.9 °F 74% 30.32 in 10.0 mi NNE 4.6 mph - N/A   Clear
3:56 AM 48.0 °F 41.0 °F 77% 30.32 in 10.0 mi NNE 4.6 mph - N/A   Clear
4:56 AM 46.9 °F 42.1 °F 83% 30.31 in 10.0 mi NNE 5.8 mph - N/A   Clear
5:56 AM 48.0 °F 44.1 °F 86% 30.31 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
6:56 AM 46.9 °F 44.1 °F 90% 30.33 in 10.0 mi NNE 4.6 mph - N/A   Partly Cloudy
7:56 AM 54.0 °F 48.0 °F 80% 30.34 in 10.0 mi NNE 4.6 mph - N/A   Partly Cloudy
8:56 AM 57.9 °F 46.9 °F 67% 30.35 in 10.0 mi ENE 8.1 mph - N/A   Partly Cloudy
9:56 AM 61.0 °F 46.0 °F 58% 30.36 in 10.0 mi NNE 9.2 mph - N/A   Partly Cloudy
10:56 AM 63.0 °F 45.0 °F 52% 30.36 in 10.0 mi North 8.1 mph - N/A   Partly Cloudy
11:56 AM 64.9 °F 45.0 °F 48% 30.35 in 10.0 mi Variable 6.9 mph - N/A   Partly Cloudy
12:56 PM 66.0 °F 44.1 °F 45% 30.32 in 10.0 mi NNE 8.1 mph - N/A   Clear
1:56 PM 68.0 °F 42.1 °F 39% 30.32 in 10.0 mi North 6.9 mph - N/A   Clear
2:56 PM 66.0 °F 48.9 °F 54% 30.31 in 10.0 mi South 5.8 mph - N/A   Clear
3:56 PM 66.9 °F 48.9 °F 52% 30.30 in 10.0 mi Calm Calm - N/A   Clear
4:56 PM 66.0 °F 50.0 °F 56% 30.30 in 10.0 mi South 6.9 mph - N/A   Clear
5:56 PM 66.0 °F 34.0 °F 30% 30.30 in 10.0 mi North 4.6 mph - N/A   Clear
6:56 PM 61.0 °F 50.0 °F 67% 30.30 in 10.0 mi South 5.8 mph - N/A   Clear
7:56 PM 59.0 °F 51.1 °F 75% 30.29 in 10.0 mi SSW 6.9 mph - N/A   Clear
8:56 PM 55.0 °F 51.1 °F 86% 30.29 in 10.0 mi WSW 4.6 mph - N/A   Clear
9:56 PM 54.0 °F 50.0 °F 86% 30.27 in 10.0 mi WSW 3.5 mph - N/A   Clear
10:56 PM 53.1 °F 50.0 °F 89% 30.27 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 51.1 °F 48.9 °F 92% 30.27 in 10.0 mi Calm Calm - N/A   Clear