Hail History

Hail history for Calvin, Oklahoma

NOAA hail reports in and within about 5 km (3 miles) of Calvin since 1963, with preliminary reports to November 3, 2026.

Readout · Calvin

Last hail
May 15, 2022
1.50 in, ping pong ball size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
1.75 in
golf ball · Mar 3, 1984

13 reports on 13 days since 1963 · #497 of 584 Oklahoma places

Hail map · Calvin

Calvin Atwood Horntown Gerty Lamar Allen Holdenville Sasakwa Arpelar 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
13 most recent reports with a location; Hughes County is shaded. Open street map

For homeowners

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What the record says about Calvin

The latest hail report in and around Calvin is from May 15, 2022, 1.50 in (ping pong ball size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.50 in on May 15, 2022.

Over the 20 years 2006–2025, Calvin logged 3 reports on 3 hail days, about 0.1 reports a year. That is 33% of the median Oklahoma town on this site (0.5 a year) and ranks #497 of 584 Oklahoma cities and towns on this site for all-time reports. Calvin accounts for 6% of the 219 reports filed in Hughes County.

0% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Oklahoma town on this site. The largest hail on record here is 1.75 in (golf ball) on March 3, 1984.

The busiest year was 1998, with 2 reports on 2 days. Hail here peaks in March (31% of reports); 46% fall between April and June.

Reports a year 2006–2025 average

  • Calvin 0.1
  • Hughes County 3.7
  • Median Oklahoma town on this site 0.5

Hail days 2006–2025

  • Calvin 3
  • Hughes County 44
  • Median Oklahoma town on this site 8

Share 2 in or larger of sized reports

  • Calvin 0%
  • Hughes County 6%
  • Median Oklahoma town on this site 8%

Hail over time

012 1963: 1 reports, largest 1.75 in 1966: 1 reports, largest 1.50 in 1970 1980 1983: 2 reports, largest 1.75 in 1984: 1 reports, largest 1.75 in 1988: 1 reports, largest 1.00 in 1990 1992: 1 reports, largest 0.88 in 1998: 2 reports, largest 0.88 in 2000 2003: 1 reports, largest 0.75 in 2010 2011: 1 reports, largest 1.00 in 2015: 1 reports, largest 1.00 in 2020 2022: 1 reports, largest 1.50 in
Reports per year, 1963–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan February: 1 reports (8%) Feb March: 4 reports (31%) Mar April: 2 reports (15%) Apr May: 3 reports (23%) May June: 1 reports (8%) Jun Jul Aug Sep October: 1 reports (8%) Oct November: 1 reports (8%) Nov Dec
All 13 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 1 1
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 15, 2022 1 1.50 in —

Largest hail on record

Largest hail reports in Calvin
Date Size Location County Time · source
Mar 3, 1984 1.75 ingolf ball — Hughes 22:30 local · NCEI
Nov 19, 1983 1.75 ingolf ball — Hughes 01:50 local · NCEI
Jun 5, 1983 1.75 ingolf ball — Hughes 15:42 local · NCEI
May 26, 1963 1.75 ingolf ball — Hughes 19:30 local · NCEI
May 15, 2022 1.50 inping pong ball Calvin Hughes 17:44 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 Calvin
Date Size Location County Time · source
May 15, 2022 1.50 inping pong ball Calvin Hughes 17:44 local · NCEI
Mar 25, 2015 1.00 inquarter Calvin Hughes 20:46 local · NCEI
Apr 25, 2011 1.00 inquarter 1 W Calvin Hughes 10:57 local · NCEI
May 6, 2003 0.75 inpenny 1 W Fittstown Pontotoc 14:30 local · NCEI
Mar 30, 1998 0.88 innickel Calvin Hughes 17:17 local · NCEI
Feb 25, 1998 0.75 inpenny Calvin Hughes 17:10 local · NCEI
Oct 15, 1992 0.88 innickel — Hughes 18:00 local · NCEI
Mar 24, 1988 1.00 inquarter — Hughes 17:30 local · NCEI
Mar 3, 1984 1.75 ingolf ball — Hughes 22:30 local · NCEI
Nov 19, 1983 1.75 ingolf ball — Hughes 01:50 local · NCEI
Jun 5, 1983 1.75 ingolf ball — Hughes 15:42 local · NCEI
Apr 27, 1966 1.50 inping pong ball — Hughes 18:15 local · NCEI

Hail history near Calvin

Questions about hail in Calvin

How often does it hail in Calvin, Oklahoma?

13 hail reports have been logged in and within about 5 km (3 miles) of Calvin since 1963. Over the 20 years 2006–2025 that averages 0.1 reports a year. That ranks #497 of 584 Oklahoma places by number of reports.

When is hail season in Calvin?

Most reports come in March, May, April. March alone accounts for 31% of all reports.

What is the largest hail recorded in Calvin?

1.75 in (golf ball size) on March 3, 1984. 0% of reports here were 2 inches or larger.

When did it last hail in Calvin?

The most recent report in this data is from May 15, 2022 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Calvin 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 May 15, 2022.

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.