Islip, NY

12:46 AM EST on December 10, 2019 (GMT -0500)
Long Island Mac Arthur

Weather History for KISP - September, 2019

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Week of September 15, 2019 through September 21, 2019

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 74 °F 63 °F
Mean Temperature 72 °F 64 °F 57 °F
Min Temperature 66 °F 54 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 8 3 0 23
Cooling Degree Days (base 65) 8 2 0 14
Growing Degree Days (base 50) 22 14 7 110
Dew Point  
Dew Point 70 °F 55 °F 34 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 16 mph 5 mph 0 mph
Gust Wind 22 mph 20 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 30.18 in 30.01 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 16, 2019 Rise Set
Actual Time 6:33 AM EDT 7:00 PM EDT
Civil Twilight 6:06 AM EDT 7:27 PM EDT
Nautical Twilight 5:33 AM EDT 7:59 PM EDT
Astronomical Twilight 5:00 AM EDT 8:32 PM EDT
Moon 8:32 PM EDT (9/16) 8:38 AM EDT (9/16)
Length of Visible Light 13h 21m
Length of Day
12h 26m
Waning Gibbous, 94% of the Moon is Illuminated
Sep 16
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full

Daily Weather History & Observations

2019 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
15 80 72 66 70 67 61 100 86 54 30.17 30.13 30.06 10.0 9.9 9.0 10 7 - 0.00  
16 75 68 60 67 62 54 97 80 64 30.08 30.05 30.01 10.0 10.0 9.0 9 5 - 0.00  
17 75 64 53 55 49 40 90 61 30 30.16 30.12 30.07 10.0 10.0 10.0 15 6 17 0.00  
18 66 58 51 55 49 42 93 71 48 30.32 30.24 30.17 10.0 10.0 10.0 16 8 21 0.00  
19 69 57 46 51 45 34 92 67 30 30.36 30.31 30.27 10.0 10.0 10.0 9 6 - 0.00  
20 78 63 48 59 50 44 96 67 31 30.27 30.21 30.14 10.0 10.0 10.0 15 4 22 0.00  
21 82 68 55 64 57 52 100 72 40 30.22 30.18 30.16 10.0 9.8 8.0 10 4 - 0.00  
22 63 60 57 63 60 58 100 100 100 30.19 30.17 30.17 7.0 2.9 0.2 0 0 - 0.00 Fog