Hail History

Hail history for Harmony, Pennsylvania

NOAA hail reports in and within about 5 km (3 miles) of Harmony since 1987, with preliminary reports to November 3, 2026.

Readout · Harmony

Last hail
Apr 14, 2024
1.00 in, quarter size
Hail days, last 5 years
2
since Nov 3, 2021 · 2 reports
Largest ever
2.00 in
hen egg · Mar 25, 1987

11 reports on 10 days since 1987 · #76 of 108 Pennsylvania places

Hail map · Harmony

Harmony Zelienople Mars Beaver Falls Monaca Homeacre-Lyndora Butler Big Beaver 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
11 most recent reports with a location; Butler County is shaded. Open street map

For homeowners

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What the record says about Harmony

The latest hail report in and around Harmony is from April 14, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on April 14, 2024.

Over the 20 years 2006–2025, Harmony logged 7 reports on 6 hail days, about 0.3 reports a year. That is 22% less than the median Pennsylvania town on this site (0.5 a year) and ranks #76 of 108 Pennsylvania cities and towns on this site for all-time reports. Harmony accounts for 5% of the 201 reports filed in Butler County.

9% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Pennsylvania town on this site. The largest hail on record here is 2.00 in (hen egg) on March 25, 1987.

The busiest year was 2024, with 2 reports on 2 days. Hail here peaks in April (27% of reports); 55% fall between April and June.

Reports a year 2006–2025 average

  • Harmony 0.3
  • Butler County 6.7
  • Median Pennsylvania town on this site 0.5

Hail days 2006–2025

  • Harmony 6
  • Butler County 43
  • Median Pennsylvania town on this site 6

Share 2 in or larger of sized reports

  • Harmony 9%
  • Butler County 3%
  • Median Pennsylvania town on this site 0%

Hail over time

012 1987: 1 reports, largest 2.00 in 1990 1995 1998: 1 reports, largest 0.75 in 2000 2001: 1 reports, largest 0.75 in 2002: 1 reports, largest 0.75 in 2005 2006: 2 reports, largest 1.00 in 2008: 1 reports, largest 0.75 in 2010 2015: 1 reports, largest 1.00 in 2015 2019: 1 reports, largest 0.75 in 2020 2024: 2 reports, largest 1.00 in 2025
Reports per year, 1987–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0123 Jan Feb March: 2 reports (18%) Mar April: 3 reports (27%) Apr May June: 3 reports (27%) Jun Jul August: 2 reports (18%) Aug Sep Oct November: 1 reports (9%) Nov Dec
All 11 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 11 2
2023 0
2022 0
2021 0
2020 0
2019 1 1
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 14, 2024 1 1.00 in —
Mar 14, 2024 1 1.00 in —

Largest hail on record

Largest hail reports in Harmony
Date Size Location County Time · source
Mar 25, 1987 2.00 inhen egg — Butler 13:05 local · NCEI
Apr 14, 2024 1.00 inquarter 0.87 NE Eidenau Butler 20:04 local · NCEI
Mar 14, 2024 1.00 inquarter Zelienople Butler 20:09 local · NCEI
Apr 20, 2015 1.00 inquarter Zelienople Butler 16:25 local · NCEI
Aug 3, 2006 1.00 inquarter Zelienople Butler 15:30 local · NCEI

Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.

Size of every report

Most recent reports

Most recent hail reports in Harmony
Date Size Location County Time · source
Apr 14, 2024 1.00 inquarter 0.87 NE Eidenau Butler 20:04 local · NCEI
Mar 14, 2024 1.00 inquarter Zelienople Butler 20:09 local · NCEI
Jun 29, 2019 0.75 inpenny 1.48 SSE Middle Lancaster Butler 11:27 local · NCEI
Apr 20, 2015 1.00 inquarter Zelienople Butler 16:25 local · NCEI
Jun 23, 2008 0.75 inpenny Zelienople Butler 15:22 local · NCEI
Aug 3, 2006 1.00 inquarter Zelienople Butler 15:30 local · NCEI
Aug 3, 2006 0.75 inpenny Zelienople Butler 15:20 local · NCEI
Nov 10, 2002 0.75 inpenny 2 N Harmony Butler 22:30 local · NCEI
Apr 9, 2001 0.75 inpenny Zelienople Butler 15:13 local · NCEI
Jun 2, 1998 0.75 inpenny Zelienople Butler 18:20 local · NCEI
Mar 25, 1987 2.00 inhen egg — Butler 13:05 local · NCEI

Hail history near Harmony

Questions about hail in Harmony

How often does it hail in Harmony, Pennsylvania?

11 hail reports have been logged in and within about 5 km (3 miles) of Harmony since 1987. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #76 of 108 Pennsylvania places by number of reports.

When is hail season in Harmony?

Most reports come in April, June, March. April alone accounts for 27% of all reports.

What is the largest hail recorded in Harmony?

2.00 in (hen egg size) on March 25, 1987. 9% of reports here were 2 inches or larger.

When did it last hail in Harmony?

The most recent report in this data is from April 14, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was April 14, 2024.

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.