Islip, NY

8:52 AM EST on November 19, 2019 (GMT -0500)
Long Island Mac Arthur

Weather History for KISP - September, 2019

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Month of September, 2019

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 76 °F 63 °F
Mean Temperature 75 °F 67 °F 57 °F
Min Temperature 70 °F 59 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 8 1 0 30
Cooling Degree Days (base 65) 10 3 0 91
Growing Degree Days (base 50) 25 17 7 518
Dew Point  
Dew Point 73 °F 59 °F 34 °F
Precipitation  
Precipitation 0.23 in 0.02 in 0.00 in 0.61 in
Snowdepth - - - -
Wind  
Wind 24 mph 7 mph 0 mph
Gust Wind 32 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.10 in 29.68 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Sep. 18, 2019 Rise Set
Actual Time 6:35 AM EDT 6:56 PM EDT
Civil Twilight 6:08 AM EDT 7:24 PM EDT
Nautical Twilight 5:36 AM EDT 7:56 PM EDT
Astronomical Twilight 5:02 AM EDT 8:29 PM EDT
Moon 9:27 PM EDT (9/18) 10:37 AM EDT (9/18)
Length of Visible Light 13h 15m
Length of Day
12h 21m
Waning Gibbous, 82% of the Moon is Illuminated
Sep 18
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  
1 75 68 60 61 58 54 90 71 48 30.35 30.31 30.24 10.0 10.0 10.0 15 6 20 0.00  
2 75 68 62 72 67 58 100 89 68 30.23 30.05 29.96 10.0 9.7 5.0 17 8 24 0.07 Rain , Thunderstorm
3 82 72 64 69 63 52 100 79 36 30.06 30.01 29.97 10.0 9.8 5.0 12 5 - 0.00  
4 80 71 63 73 69 62 100 92 79 30.03 29.95 29.86 10.0 10.0 10.0 16 5 24 0.00  
5 73 67 61 64 56 52 87 68 49 30.10 30.05 30.00 10.0 10.0 10.0 15 9 - 0.00  
6 66 62 59 60 58 55 96 86 68 30.03 29.87 29.70 10.0 8.8 2.5 20 10 30 0.23 Rain
7 75 64 55 58 55 50 100 77 47 29.90 29.77 29.68 10.0 9.3 5.0 20 14 26 0.02 Rain
8 78 67 57 63 57 51 93 71 40 30.15 30.03 29.91 10.0 10.0 10.0 12 6 17 0.00  
9 77 70 63 63 59 54 97 71 46 30.29 30.23 30.16 10.0 10.0 10.0 14 6 - 0.00  
10 77 69 63 67 64 62 100 85 64 30.37 30.32 30.26 10.0 10.0 10.0 13 4 - 0.00  
11 81 75 69 72 69 66 100 87 67 30.26 30.14 30.02 10.0 10.0 10.0 20 10 25 0.00  
12 80 70 62 73 67 53 100 86 68 30.28 30.08 29.99 10.0 9.1 5.0 17 7 23 0.00 Thunderstorm
13 71 62 54 55 51 48 93 69 46 30.47 30.42 30.30 10.0 10.0 10.0 18 9 25 0.00  
14 75 65 55 69 61 52 96 81 61 30.42 30.28 30.17 10.0 9.9 8.0 17 8 28 0.01 Rain
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 81 68 57 68 61 57 100 90 56 30.19 30.14 30.01 10.0 5.3 0.2 14 2 17 0.00 Fog
23 81 75 70 70 69 68 97 85 69 30.00 29.87 29.74 10.0 10.0 9.0 16 12 23 0.00  
24 77 68 61 70 58 51 100 70 43 29.87 29.78 29.72 10.0 9.5 5.0 20 9 25 0.08 Rain , Thunderstorm
25 78 65 53 62 54 49 93 71 37 29.93 29.87 29.82 10.0 10.0 10.0 16 5 20 0.00  
26 77 65 55 68 63 56 100 88 67 29.94 29.83 29.73 10.0 9.2 1.5 24 8 32 0.20 Rain
27 73 62 52 57 51 42 100 68 33 30.15 30.09 29.95 10.0 10.0 10.0 10 5 - 0.00  
28 75 69 63 71 65 58 100 83 66 30.15 30.10 30.06 10.0 10.0 10.0 16 9 23 0.00  
29 79 70 62 71 61 48 100 75 37 30.29 30.18 30.07 10.0 8.0 0.8 18 6 26 0.00  
30 70 63 57 60 53 47 90 69 56 30.35 30.29 30.23 10.0 10.0 10.0 14 8 - 0.00