NOAA Storm Events · May 2018

Hail in May 2018: 2,347 NOAA reports across 42 states

NOAA logged 2,347 hail reports in May 2018, in 843 counties across 42 states. Kansas had the most (436). The largest stone was 4.25 inches (a grapefruit), near De Leon in Comanche County, Texas, on May 25, 2018. The worst day was May 14, 2018, with 254 reports in 16 states.

Where
843 counties in 42 states; Kansas had 19% of the reports
Largest stone
4.25 inches, a grapefruit, in Comanche County, TX (near De Leon), on May 25, 2018
Worst day
May 14, 2018: 254 reports in 16 states, 11% of the month
Days with hail
31 of 31 days had at least one report
Hail reports in May 2018, lower 48 states
  • under 1 in
  • 1 to 1.74 in
  • 1.75 to 2.74 in
  • 2.75 in and up
2,347 of the 2,347 reports have coordinates in the lower 48 and are drawn. One dot is a half-degree square (roughly 35 miles); a bigger dot means more reports, and the color is the largest stone in that square.

Day by day

May 14, 2018 was the worst day with 254 reports. A day with hail averaged 76.

Hail reports per day in May 2018 May 1: 149 reports 1 May 2: 140 reports May 3: 19 reports May 4: 12 reports May 5: 23 reports 5 May 6: 29 reports May 7: 18 reports May 8: 12 reports May 9: 27 reports May 10: 97 reports 10 May 11: 15 reports May 12: 35 reports May 13: 69 reports May 14: 254 reports 254 May 15: 153 reports 15 May 16: 37 reports May 17: 82 reports May 18: 75 reports May 19: 134 reports May 20: 44 reports 20 May 21: 53 reports May 22: 58 reports May 23: 83 reports May 24: 34 reports May 25: 75 reports 25 May 26: 77 reports May 27: 97 reports May 28: 125 reports May 29: 176 reports May 30: 42 reports 30 May 31: 103 reports
Hail reports per day, May 2018
May 1149
May 2140
May 319
May 412
May 523
May 629
May 718
May 812
May 927
May 1097
May 1115
May 1235
May 1369
May 14254
May 15153
May 1637
May 1782
May 1875
May 19134
May 2044
May 2153
May 2258
May 2383
May 2434
May 2575
May 2677
May 2797
May 28125
May 29176
May 3042
May 31103

Where it hit hardest

Ranked by NOAA hail reports. A report is one spotter or sensor entry for one county and storm, so counts follow where people live as well as where hail fell.

Top 10 states by hail reports, May 2018 436 KS 270 TX 159 MO 154 OK 131 CO 117 IA 112 NE 104 IL 77 MT 74 MN
Top 10 states by hail reports, May 2018
KS436
TX270
MO159
OK154
CO131
IA117
NE112
IL104
MT77
MN74
Top 10 states
#StateReportsShareLargest
1Kansas43618.6%4 in
2Texas27011.5%4.25 in
3Missouri1596.8%2.75 in
4Oklahoma1546.6%3.26 in
5Colorado1315.6%2.75 in
6Iowa1175.0%2.25 in
7Nebraska1124.8%4 in
8Illinois1044.4%3 in
9Montana773.3%2.5 in
10Minnesota743.2%2 in
Top 10 counties
#CountyReportsLargest
1El Paso County, CO272 in
2Story County, IA212.25 in
3Cowley County, KS192.5 in
4Ford County, KS184 in
5Texas County, OK182.5 in
6Lipscomb County, TX172.75 in
7Douglas County, MO162.5 in
8Hansford County, TX163 in
9Beaver County, OK152.5 in
10Gray County, TX152.75 in

County names link to the full hail history where we have published that county. The CSV below lists all 843 counties and all 42 states.

How May 2018 compares

Compared withReportsMay 2018 was
April 2018695+1,652 (+238%)
May 20172,321+26 (+1%)
the average May in the other 12 years2,091+256 (+12%)

May 2018 was the 5th busiest May of the 13 in the record and the 8th busiest of all 150 months.

NOAA hail reports in May, by year 2307 2014 1477 2015 2576 2016 2321 2017 2347 2018 2370 2019 1489 2020 1383 2021 2283 2022 1769 2023 3244 2024 2835 2025 1036 2026
NOAA hail reports in May, by year
20142307
20151477
20162576
20172321
20182347
20192370
20201489
20211383
20222283
20231769
20243244
20252835
20261036

Every May in the record, 2014 to 2026. Months after June 2026 are not in NOAA's file yet.

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Download the data

Source: NOAA NCEI Storm Events Database, hail rows at county level, data through June 2026. Reports are preliminary and unverified: they show that hail was reported in a county, not that a given roof was damaged. Method: how we count. More: State of Hail by year · county hail history · press.

Source: NOAA Storm Events Database, public domain. Counts and tables on this page are free to reuse with credit to PickARoofer under CC BY 4.0.