Hail History

Hail history for Rotterdam, New York

NOAA hail reports in and within about 5 km (3 miles) of Rotterdam since 1973, with preliminary reports to November 3, 2026.

Readout · Rotterdam

Last hail
May 31, 2017
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
1.75 in
golf ball · May 28, 2001

14 reports on 8 days since 1973 · #45 of 98 New York places

Hail map · Rotterdam

Rotterdam Schenectady Niskayuna East Glenville Colonie 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
14 most recent reports with a location; Schenectady County is shaded. Open street map

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What the record says about Rotterdam

The latest hail report in and around Rotterdam is from May 31, 2017, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Rotterdam logged 12 reports on 6 hail days, about 0.6 reports a year. That is 20% more than the median New York town on this site (0.5 a year) and ranks #45 of 98 New York cities and towns on this site for all-time reports. Rotterdam accounts for 19% of the 73 reports filed in Schenectady County.

0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median New York town on this site. The largest hail on record here is 1.75 in (golf ball) on May 28, 2001 near Stockport.

Reports were down 67% in 2016–2025 (3) compared with 2006–2015 (9). The busiest year was 2009, with 5 reports on 1 day. Hail here peaks in July (43% of reports); 50% fall between April and June.

Reports a year 2006–2025 average

  • Rotterdam 0.6
  • Schenectady County 2.6
  • Median New York town on this site 0.5

Hail days 2006–2025

  • Rotterdam 6
  • Schenectady County 24
  • Median New York town on this site 7

Share 2 in or larger of sized reports

  • Rotterdam 0%
  • Schenectady County 3%
  • Median New York town on this site 0%

Hail over time

0246 1973: 1 reports, largest 1.00 in 1980 1990 2000 2001: 1 reports, largest 1.75 in 2006: 1 reports, largest 0.88 in 2007: 1 reports, largest 1.00 in 2009: 5 reports, largest 1.00 in 2010 2011: 2 reports, largest 1.00 in 2016: 1 reports, largest 0.88 in 2017: 2 reports, largest 1.00 in 2020
Reports per year, 1973–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb Mar Apr May: 3 reports (21%) May June: 4 reports (29%) Jun July: 6 reports (43%) Jul August: 1 reports (7%) Aug Sep Oct Nov Dec
All 14 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 2 2

Largest hail on record

Largest hail reports in Rotterdam
Date Size Location County Damage Time · source
May 28, 2001 1.75 ingolf ball Stockport Columbia $11K 12:07 local · NCEI
May 31, 2017 1.00 inquarter 2.57 SE Rotterdam Schenectady — 15:18 local · NCEI
May 31, 2017 1.00 inquarter 1.67 WNW Carman Schenectady — 15:15 local · NCEI
Jun 8, 2011 1.00 inquarter 1.67 WNW Carman Schenectady — 15:55 local · NCEI
Jul 16, 2009 1.00 inquarter 1.67 WNW Carman Schenectady — 16:29 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Rotterdam
Date Size Location County Time · source
May 31, 2017 1.00 inquarter 2.57 SE Rotterdam Schenectady 15:18 local · NCEI
May 31, 2017 1.00 inquarter 1.67 WNW Carman Schenectady 15:15 local · NCEI
Jul 1, 2016 0.88 innickel 1.62 SW Schenectady Schenectady 15:13 local · NCEI
Jun 8, 2011 0.88 innickel 1.67 WNW Carman Schenectady 16:09 local · NCEI
Jun 8, 2011 1.00 inquarter 1.67 WNW Carman Schenectady 15:55 local · NCEI
Jul 16, 2009 0.75 inpenny 1.47 NNE Carmen Albany 16:31 local · NCEI
Jul 16, 2009 1.00 inquarter 1.67 WNW Carman Schenectady 16:29 local · NCEI
Jul 16, 2009 1.00 inquarter 1.38 N Guilderland Albany 16:21 local · NCEI
Jul 16, 2009 0.88 innickel 2.76 S Rotterdam Schenectady 16:21 local · NCEI
Jul 16, 2009 0.75 inpenny 0.69 N Carmen Albany 16:16 local · NCEI
Aug 30, 2007 1.00 inquarter Greenville Center Greene 17:20 local · NCEI
Jun 29, 2006 0.88 innickel Rotterdam Schenectady 16:52 local · NCEI

Hail history near Rotterdam

Questions about hail in Rotterdam

How often does it hail in Rotterdam, New York?

14 hail reports have been logged in and within about 5 km (3 miles) of Rotterdam since 1973. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #45 of 98 New York places by number of reports.

When is hail season in Rotterdam?

Most reports come in July, June, May. July alone accounts for 43% of all reports.

What is the largest hail recorded in Rotterdam?

1.75 in (golf ball size) on May 28, 2001 near Stockport. 0% of reports here were 2 inches or larger.

When did it last hail in Rotterdam?

The most recent report in this data is from May 31, 2017 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Rotterdam had in the last five years?

None: there has been no hail report in and within about 5 km (3 miles) of Rotterdam since November 3, 2021. The last one was on May 31, 2017.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.