Hail History

Hail history for Mars, Pennsylvania

NOAA hail reports in and within about 5 km (3 miles) of Mars since 1956, with preliminary reports to November 3, 2026.

Readout · Mars

Last hail
Apr 19, 2025
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
2.00 in
hen egg · May 28, 2019

12 reports on 11 days since 1956 · #67 of 108 Pennsylvania places

Hail map · Mars

Mars Zelienople Harmony Economy Saxonburg Butler 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
12 most recent reports with a location; Butler County is shaded. Open street map

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What the record says about Mars

The latest hail report in and around Mars is from April 19, 2025, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on April 19, 2025.

Over the 20 years 2006–2025, Mars logged 9 reports on 8 hail days, about 0.5 reports a year. That is about the same as the median Pennsylvania town on this site (0.5 a year) and ranks #67 of 108 Pennsylvania cities and towns on this site for all-time reports. Mars accounts for 6% of the 201 reports filed in Butler County.

8% 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 May 28, 2019 near 0.52 W Downieville.

Reports were down 20% in 2016–2025 (4) compared with 2006–2015 (5). The busiest year was 2019, with 3 reports on 2 days. Hail here peaks in July (25% of reports); 50% fall between April and June.

Reports a year 2006–2025 average

  • Mars 0.5
  • Butler County 6.7
  • Median Pennsylvania town on this site 0.5

Hail days 2006–2025

  • Mars 8
  • Butler County 43
  • Median Pennsylvania town on this site 6

Share 2 in or larger of sized reports

  • Mars 8%
  • Butler County 3%
  • Median Pennsylvania town on this site 0%

Hail over time

0123 1956: 1 reports, largest 1.00 in 1960 1970 1980 1990: 1 reports, largest 0.75 in 1990 2000: 1 reports, largest 0.75 in 2000 2006: 1 reports, largest 1.00 in 2007: 1 reports, largest 1.00 in 2009: 1 reports, largest 0.75 in 2010 2012: 1 reports, largest 1.00 in 2015: 1 reports, largest 1.00 in 2019: 3 reports, largest 2.00 in 2020 2025: 1 reports, largest 1.00 in
Reports per year, 1956–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0123 Jan February: 1 reports (8%) Feb Mar April: 2 reports (17%) Apr May: 2 reports (17%) May June: 2 reports (17%) Jun July: 3 reports (25%) Jul August: 1 reports (8%) Aug Sep October: 1 reports (8%) Oct Nov Dec
All 12 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 1 1
2024 0
2023 0
2022 0
2021 0
2020 0
2019 21 3
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 19, 2025 1 1.00 in —

Largest hail on record

Largest hail reports in Mars
Date Size Location County Time · source
May 28, 2019 2.00 inhen egg 0.52 W Downieville Butler 16:37 local · NCEI
Apr 19, 2025 1.00 inquarter 0.69 N Mars Butler 13:05 local · NCEI
Jun 29, 2019 1.00 inquarter 1.72 ESE Mayoma Butler 11:38 local · NCEI
May 28, 2019 1.00 inquarter 0.52 E Mars Butler 16:43 local · NCEI
Aug 3, 2015 1.00 inquarter 0.52 E Mars Butler 19:36 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Mars
Date Size Location County Time · source
Apr 19, 2025 1.00 inquarter 0.69 N Mars Butler 13:05 local · NCEI
Jun 29, 2019 1.00 inquarter 1.72 ESE Mayoma Butler 11:38 local · NCEI
May 28, 2019 1.00 inquarter 0.52 E Mars Butler 16:43 local · NCEI
May 28, 2019 2.00 inhen egg 0.52 W Downieville Butler 16:37 local · NCEI
Aug 3, 2015 1.00 inquarter 0.52 E Mars Butler 19:36 local · NCEI
Jul 4, 2012 1.00 inquarter 0.69 N Mars Butler 22:49 local · NCEI
Jul 21, 2009 0.75 inpenny 0.52 E Mars Butler 15:00 local · NCEI
Jun 21, 2007 1.00 inquarter Mars Butler 15:50 local · NCEI
Apr 3, 2006 1.00 inquarter Mars Butler 12:51 local · NCEI
Oct 5, 2000 0.75 inpenny Mars Butler 20:15 local · NCEI
Feb 16, 1990 0.75 inpenny — Butler 15:53 local · NCEI
Jul 12, 1956 1.00 inquarter — Butler 21:00 local · NCEI

Hail history near Mars

Questions about hail in Mars

How often does it hail in Mars, Pennsylvania?

12 hail reports have been logged in and within about 5 km (3 miles) of Mars since 1956. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #67 of 108 Pennsylvania places by number of reports.

When is hail season in Mars?

Most reports come in July, April, May. July alone accounts for 25% of all reports.

What is the largest hail recorded in Mars?

2.00 in (hen egg size) on May 28, 2019 near 0.52 W Downieville. 8% of reports here were 2 inches or larger.

When did it last hail in Mars?

The most recent report in this data is from April 19, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was April 19, 2025.

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.