Skip to content
WeatherTotals

Islip snow in 2019-20

Islip recorded 6.8 inches of snow in 2019-20, against a 1991-2020 normal of 31.8 inches. Measurable snow, at 0.1 inch or more, fell on 9 days at Islip Long Island MacArthur Airport, and the largest single fall was 2.1 inches on Jan 18, 2020. The total was 25.0 inches below the 1991-2020 normal, 79% below normal. In the station record, the season ranks 57th snowiest among 63 complete seasons, with data from 1963.

Earlier season: 2018-19Later season: 2020-21Back to the Islip snow page

Islip snow in 2019-20

Islip snow in 2019-20
Season total6.8 inches2019-20
1991-2020 normal31.8 inchesNormals, the 1991-2020 average, come from NCEI.
Departure vs normal-25.0 inches (-79%)21% of normal
Season rank57th of 63Complete seasons, snowiest first, record from 1963
Measurable days9
Largest day2.1 inches

Snow by month in 2019-20

Measured total1991-2020 normal
Monthly snow totals for 2019-20. Dark bars show measured amounts, light bars show the 1991-2020 normal for comparison.

Every measurable snow day in 2019-20

Every measurable snow day in 2019-20: Islip
DateSnowfall
2.1 inches
0.4 inches
0.3 inches
0.1 inches
1.9 inches
1.1 inches
0.6 inches
0.2 inches
0.1 inches

The readings come from Islip Long Island MacArthur Airport, a GHCN-Daily station whose record begins in 1963. Station observations from GHCN-Daily, with a 1 to 3 day lag and quality checks.

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.