Hail History

Hail history for Calio, North Dakota

NOAA hail reports in and within about 5 km (3 miles) of Calio since 2004, with preliminary reports to November 3, 2026.

Readout · Calio

Last hail
Jul 13, 2020
1.75 in, golf ball size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.00 in
hen egg · Jun 23, 2005

10 reports on 6 days since 2004 · #184 of 208 North Dakota places

Hail map · Calio

Calio Alsen Cando Bisbee Perth Hansboro 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
10 most recent reports with a location; Towner County is shaded. Open street map

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What the record says about Calio

The latest hail report in and around Calio is from July 13, 2020, 1.75 in (golf ball size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Calio logged 7 reports on 4 hail days, about 0.3 reports a year. That is 13% less than the median North Dakota town on this site (0.4 a year) and ranks #184 of 208 North Dakota cities and towns on this site for all-time reports. Calio accounts for 6% of the 158 reports filed in Towner County.

20% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median North Dakota town on this site. The largest hail on record here is 2.00 in (hen egg) on June 23, 2005 near 6 E Egeland.

The busiest year was 2020, with 4 reports on 1 day. Hail here peaks in July (40% of reports); 40% fall between April and June.

Reports a year 2006–2025 average

  • Calio 0.3
  • Towner County 4.0
  • Median North Dakota town on this site 0.4

Hail days 2006–2025

  • Calio 4
  • Towner County 49
  • Median North Dakota town on this site 7

Share 2 in or larger of sized reports

  • Calio 20%
  • Towner County 10%
  • Median North Dakota town on this site 8%

Hail over time

01234 2004: 1 reports, largest 0.75 in 2005: 2 reports, largest 2.00 in 2005 2007: 1 reports, largest 0.88 in 2010 2015 2016: 1 reports, largest 1.50 in 2018: 1 reports, largest 1.50 in 2020: 4 reports, largest 1.75 in 2020 2025
Reports per year, 2004–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb Mar Apr May: 1 reports (10%) May June: 3 reports (30%) Jun July: 4 reports (40%) Jul August: 2 reports (20%) Aug Sep Oct Nov Dec
All 10 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 4 4
2019 0
2018 1 1
2017 0

Largest hail on record

Largest hail reports in Calio
Date Size Location County Time · source
Jun 23, 2005 2.00 inhen egg 6 E Egeland Towner 14:15 local · NCEI
Jun 23, 2005 2.00 inhen egg 1 W Calio Cavalier 14:15 local · NCEI
Jul 13, 2020 1.75 ingolf ball 1.15 SW Calio Cavalier 11:00 local · NCEI
Jul 13, 2020 1.75 ingolf ball 2.07 N Newville Towner 10:56 local · NCEI
Jun 14, 2018 1.50 inping pong ball 2.91 NNW Calio Cavalier 16:55 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Calio
Date Size Location County Time · source
Jul 13, 2020 1.75 ingolf ball 1.15 SW Calio Cavalier 11:00 local · NCEI
Jul 13, 2020 1.75 ingolf ball 2.07 N Newville Towner 10:56 local · NCEI
Jul 13, 2020 0.75 inpenny 3.91 SSW Calio Cavalier 10:33 local · NCEI
Jul 13, 2020 1.00 inquarter Newville Towner 10:29 local · NCEI
Jun 14, 2018 1.50 inping pong ball 2.91 NNW Calio Cavalier 16:55 local · NCEI
Aug 3, 2016 1.50 inping pong ball 2.07 N Newville Towner 17:47 local · NCEI
Aug 13, 2007 0.88 innickel 1.66 NNE Newville Towner 12:25 local · NCEI
Jun 23, 2005 2.00 inhen egg 6 E Egeland Towner 14:15 local · NCEI
Jun 23, 2005 2.00 inhen egg 1 W Calio Cavalier 14:15 local · NCEI
May 19, 2004 0.75 inpenny 3 W Hampden Ramsey 17:03 local · NCEI

Hail history near Calio

Questions about hail in Calio

How often does it hail in Calio, North Dakota?

10 hail reports have been logged in and within about 5 km (3 miles) of Calio since 2004. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #184 of 208 North Dakota places by number of reports.

When is hail season in Calio?

Most reports come in July, June, August. July alone accounts for 40% of all reports.

What is the largest hail recorded in Calio?

2.00 in (hen egg size) on June 23, 2005 near 6 E Egeland. 20% of reports here were 2 inches or larger.

When did it last hail in Calio?

The most recent report in this data is from July 13, 2020 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Calio since November 3, 2021. The last one was on July 13, 2020.

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.