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Islip rainfall for 2023

Islip picked up 50.19 inches of rain in 2023. Measurable rain, 0.01 inch or more in a day, fell on 128 days at Islip Long Island MacArthur Airport; the wettest day brought 4.65 inches on Jul 16, 2023. The 1991-2020 normal for a full year is 45.99 inches. The total landed 4.20 inches above the normal, which works out to 9% more. 2023 ranks 17th out of 62 complete years, wettest first, in a record that starts in 1963.

Previous year, 2022Following year, 2024Back to Islip rainfall totals

Islip rainfall for 2023

Islip rainfall for 2023
Year total50.19 inches2023
1991-2020 normal45.99 inchesAverages are 1991-2020 normals from NCEI.
Departure vs normal+4.20 inches (+9%)109% of normal
Year rank17th of 62Complete years from 1963, wettest first
Rain days128
Wettest day4.65 inches

Rain by month in 2023

Measured total1991-2020 normal
Monthly rain totals for 2023. Dark bars show measured amounts, light bars show the 1991-2020 normal for comparison.

Every day with measurable rain in 2023

Every day with measurable rain in 2023: Islip
DateRainfall
3.04 inches
0.05 inches
1.65 inches
0.15 inches
0.99 inches
1.59 inches
0.73 inches
0.36 inches
0.04 inches
0.20 inches
1.25 inches
0.37 inches
0.04 inches
0.01 inches
0.10 inches
0.44 inches
0.11 inches
0.15 inches
0.88 inches
0.01 inches
0.28 inches
0.02 inches
0.42 inches
0.23 inches
2.15 inches
0.05 inches
0.10 inches
0.38 inches
0.74 inches
0.32 inches
1.34 inches
1.19 inches
0.28 inches
0.13 inches
0.01 inches
0.14 inches
0.33 inches
0.08 inches
0.36 inches
1.18 inches
1.28 inches
0.27 inches
0.04 inches
1.15 inches
0.12 inches
0.13 inches
0.32 inches
0.29 inches
0.04 inches
0.41 inches
4.65 inches
0.59 inches
0.37 inches
0.19 inches
0.03 inches
0.17 inches
0.05 inches
0.17 inches
0.12 inches
0.15 inches
0.22 inches
0.01 inches
0.02 inches
0.26 inches
0.26 inches
0.59 inches
0.03 inches
0.02 inches
0.02 inches
1.73 inches
0.01 inches
0.03 inches
0.05 inches
0.06 inches
0.01 inches
0.50 inches
1.77 inches
0.12 inches
1.02 inches
0.02 inches
0.01 inches
0.07 inches
0.04 inches
0.47 inches
0.01 inches
0.02 inches
0.15 inches
0.22 inches
0.11 inches
0.04 inches
0.59 inches
1.20 inches
0.22 inches
0.26 inches
0.02 inches
0.90 inches
0.08 inches
0.01 inches
0.45 inches
0.10 inches
0.01 inches
0.03 inches
0.11 inches
0.29 inches
0.31 inches
0.05 inches
0.03 inches
0.12 inches
0.01 inches
0.07 inches
0.04 inches
0.06 inches
0.01 inches
0.33 inches
1.11 inches
0.55 inches
0.66 inches
1.06 inches
0.01 inches
0.01 inches
0.20 inches
0.31 inches
0.01 inches
0.16 inches
0.02 inches
0.03 inches
0.39 inches
0.05 inches

Daily totals come from Islip Long Island MacArthur Airport, which appears in GHCN-Daily with records going back to 1963. Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA.

Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.