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Built 2026-10-17 (17 October 2026)

Nelsonville Weather Records (USC00335718)

Record envelope, standing records and threshold days for Nelsonville (USC00335718), Ohio, United States, with 76 years of record.

Key Facts for Nelsonville

  • Nelsonville (USC00335718) is a weather station in Ohio, United States at 39.50 latitude and -82.24 longitude, 216 m (709 ft) above sea level.
  • The station reports from 1951 to 2026, 76 years of record.
  • 0 records set at Nelsonville still stand.
  • Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Nelsonville set a daily record precipitation of 50.8 mm (2.0 in) on 11 August 2026.

About the Station

  • Location: Ohio, United States, 39.50 latitude, -82.24 longitude.
  • Elevation: 216 m (709 ft).
  • Period of record: 1951 to 2026, 76 years.
  • Eligible elements: prcp, snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Nelsonville, with 2026 drawn through them The band shows the record high and record low for each calendar day at Nelsonville. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Nelsonville. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Nelsonville, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
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Octn/an/an/an/a
Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Nelsonville by the year they were set 0 records at Nelsonville still stand. 00000000000
0 records at Nelsonville still stand.
Standing records at Nelsonville by the year they were set
Year setStanding records

All-Time Record Progression

1 new records
When Nelsonville set new all-time records 1 all-time records were set at Nelsonville between 25 August 1999 and 25 August 1999. Each dot is a new record. Record daily precipitation25 August 1999: Record daily precipitation 117.3 mm (4.6 in)2000
1 all-time records were set at Nelsonville between 25 August 1999 and 25 August 1999. Each dot is a new record.
When Nelsonville set new all-time records
DateKindDetail
1999-08-25Record daily precipitationRecord daily precipitation 117.3 mm (4.6 in)

Wettest Day of Each Month

Aug: 117.3 mm (4.6 in)
Record daily precipitation for each month at Nelsonville The wettest day on record for each calendar month at Nelsonville. The most was 117.3 mm (4.6 in) on 25 August 1999. 050100150 Jan: 63.5 mm (2.5 in), 8 January 1998 Jan Feb: 62.0 mm (2.4 in), 19 February 2000 Feb Mar: 81.3 mm (3.2 in), 2 March 1997 Mar Apr: 51.8 mm (2.0 in), 26 April 1993 Apr May: 114.8 mm (4.5 in), 24 May 1968 May Jun: 88.9 mm (3.5 in), 20 June 2009 Jun Jul: 74.9 mm (2.9 in), 28 July 1989 Jul Aug: 117.3 mm (4.6 in), 25 August 1999 Aug Sep: 94.5 mm (3.7 in), 9 September 2004 Sep Oct: 80.5 mm (3.2 in), 18 October 1975 Oct Nov: 81.3 mm (3.2 in), 6 November 2017 Nov Dec: 76.5 mm (3.0 in), 17 December 2000 Dec
The wettest day on record for each calendar month at Nelsonville. The most was 117.3 mm (4.6 in) on 25 August 1999.
Record daily precipitation for each month at Nelsonville
MonthRecord daily precipitation (mm)Date
Jan63.5 mm (2.5 in)8 January 1998
Feb62.0 mm (2.4 in)19 February 2000
Mar81.3 mm (3.2 in)2 March 1997
Apr51.8 mm (2.0 in)26 April 1993
May114.8 mm (4.5 in)24 May 1968
Jun88.9 mm (3.5 in)20 June 2009
Jul74.9 mm (2.9 in)28 July 1989
Aug117.3 mm (4.6 in)25 August 1999
Sep94.5 mm (3.7 in)9 September 2004
Oct80.5 mm (3.2 in)18 October 1975
Nov81.3 mm (3.2 in)6 November 2017
Dec76.5 mm (3.0 in)17 December 2000

Latest Records

20
Latest records at Nelsonville
DateStationRecordValueBeat old record byOld record stoodSignificance
11 August 2026Nelsonville, USdaily rain50.8 mm (2.0 in)1.3 mm (0.05 in)11 years10 of 100 (Routine)
18 June 2026Nelsonville, USdaily rain22.4 mm (0.9 in)3.9 mm (0.15 in)51 years20 of 100 (Routine)
23 May 2026Nelsonville, USdaily rain45.7 mm (1.8 in)4.6 mm (0.18 in)8 years13 of 100 (Routine)
28 April 2026Nelsonville, USdaily rain27.2 mm (1.1 in)0.5 mm (0.02 in)67 years27 of 100 (Routine)
27 March 2026Nelsonville, USdaily rain17.8 mm (0.7 in)3.6 mm (0.14 in)32 years19 of 100 (Routine)
25 January 2026Nelsonville, USdaily snowfall12.7 cm (5.0 in)4.6 cm (1.8 in)40 years29 of 100 (Routine)
31 December 2025Nelsonville, USdaily snowfall2.5 cm (1.0 in)1.2 cm (0.5 in)68 years20 of 100 (Routine)
14 December 2025Nelsonville, USdaily snowfall10.2 cm (4.0 in)6.4 cm (2.5 in)22 years31 of 100 (Routine)
19 November 2025Nelsonville, USdaily rain43.2 mm (1.7 in)0.5 mm (0.02 in)68 years27 of 100 (Routine)
8 October 2025Nelsonville, USdaily rain36.3 mm (1.4 in)1.5 mm (0.06 in)6 years9 of 100 (Routine)
26 September 2025Nelsonville, USdaily rain28.2 mm (1.1 in)5.6 mm (0.22 in)64 years30 of 100 (Routine)
17 July 2025Nelsonville, USdaily rain47.5 mm (1.9 in)10.7 mm (0.4 in)20 years21 of 100 (Routine)
15 February 2025Nelsonville, USdaily rain26.7 mm (1.1 in)4.3 mm (0.17 in)36 years22 of 100 (Routine)
11 January 2025Nelsonville, USdaily snowfall5.1 cm (2.0 in)2.6 cm (1.0 in)43 years24 of 100 (Routine)
7 January 2025Nelsonville, USdaily snow depth17.8 cm (7.0 in)5.1 cm (2.0 in)57 years29 of 100 (Routine)
6 January 2025Nelsonville, USdaily snowfall (Tie)10.2 cm (4.0 in)tie10 years2 of 100 (Routine)
22 November 2024Nelsonville, USdaily rain21.3 mm (0.8 in)2.2 mm (0.09 in)27 years17 of 100 (Routine)
7 September 2024Nelsonville, USdaily rain13.2 mm (0.5 in)1.0 mm (0.04 in)53 years20 of 100 (Routine)
15 May 2024Nelsonville, USdaily rain38.6 mm (1.5 in)19.5 mm (0.8 in)43 years36 of 100 (Notable)
4 May 2024Nelsonville, USdaily rain24.9 mm (1.0 in)0.5 mm (0.02 in)28 years15 of 100 (Routine)

Extremes by Year

1951 to 2026
Yearly extremes at Nelsonville: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)117.3 mm (4.6 in)199956.3 mm (2.2 in)76
Wettest five days (Rx5day)192.8 mm (7.6 in)196879.7 mm (3.1 in)76
Longest dry spell (CDD)44 days196318 days76

Wettest day (Rx1day)

Wettest day (Rx1day) at Nelsonville by year The wettest day of the year at Nelsonville, 1951 to 2026. The record is 117.3 mm (4.6 in) in 1999, marked on the chart; the median year is 56.3 mm (2.2 in). 2550751001251960198020002020Record: 117.3 mm (4.6 in) in 1999
The wettest day of the year at Nelsonville, 1951 to 2026. The record is 117.3 mm (4.6 in) in 1999, marked on the chart; the median year is 56.3 mm (2.2 in).
Wettest day (Rx1day) at Nelsonville by year
YearWettest day (Rx1day)
195126.4 mm (1.0 in)
195239.9 mm (1.6 in)
195345.5 mm (1.8 in)
195448.5 mm (1.9 in)
195556.6 mm (2.2 in)
195655.4 mm (2.2 in)
195742.7 mm (1.7 in)
195843.9 mm (1.7 in)
195965.5 mm (2.6 in)
196032.8 mm (1.3 in)
196138.1 mm (1.5 in)
196254.6 mm (2.1 in)
196373.4 mm (2.9 in)
196470.9 mm (2.8 in)
196565.0 mm (2.6 in)
196663.5 mm (2.5 in)
196733.0 mm (1.3 in)
1968114.8 mm (4.5 in)
196977.2 mm (3.0 in)
197079.2 mm (3.1 in)
197155.9 mm (2.2 in)
197239.9 mm (1.6 in)
197358.4 mm (2.3 in)
197481.3 mm (3.2 in)
197580.5 mm (3.2 in)
197658.9 mm (2.3 in)
197730.2 mm (1.2 in)
197839.1 mm (1.5 in)
197957.2 mm (2.3 in)
198058.4 mm (2.3 in)
198155.6 mm (2.2 in)
198248.3 mm (1.9 in)
198343.9 mm (1.7 in)
198435.6 mm (1.4 in)
198543.2 mm (1.7 in)
198693.2 mm (3.7 in)
198727.4 mm (1.1 in)
198859.7 mm (2.4 in)
198974.9 mm (2.9 in)
199078.5 mm (3.1 in)
199167.3 mm (2.6 in)
199250.0 mm (2.0 in)
199351.8 mm (2.0 in)
199448.3 mm (1.9 in)
199555.9 mm (2.2 in)
199658.4 mm (2.3 in)
199781.3 mm (3.2 in)
199872.4 mm (2.9 in)
1999117.3 mm (4.6 in)
200076.5 mm (3.0 in)
200142.7 mm (1.7 in)
200258.4 mm (2.3 in)
200377.5 mm (3.1 in)
200494.5 mm (3.7 in)
200557.2 mm (2.3 in)
200644.5 mm (1.8 in)
200741.7 mm (1.6 in)
200850.3 mm (2.0 in)
200988.9 mm (3.5 in)
201073.2 mm (2.9 in)
2011112.8 mm (4.4 in)
201249.5 mm (1.9 in)
201340.6 mm (1.6 in)
201466.0 mm (2.6 in)
201553.8 mm (2.1 in)
201650.8 mm (2.0 in)
201781.3 mm (3.2 in)
201859.4 mm (2.3 in)
201950.8 mm (2.0 in)
202045.0 mm (1.8 in)
202158.4 mm (2.3 in)
202260.7 mm (2.4 in)
202353.1 mm (2.1 in)
202444.5 mm (1.8 in)
202547.5 mm (1.9 in)
202658.2 mm (2.3 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Nelsonville by year The wettest five days of the year at Nelsonville, 1951 to 2026. The record is 192.8 mm (7.6 in) in 1968, marked on the chart; the median year is 79.7 mm (3.1 in). 0501001502001960198020002020Record: 192.8 mm (7.6 in) in 1968
The wettest five days of the year at Nelsonville, 1951 to 2026. The record is 192.8 mm (7.6 in) in 1968, marked on the chart; the median year is 79.7 mm (3.1 in).
Wettest five days (Rx5day) at Nelsonville by year
YearWettest five days (Rx5day)
195136.1 mm (1.4 in)
195263.2 mm (2.5 in)
195360.9 mm (2.4 in)
195454.1 mm (2.1 in)
1955112.0 mm (4.4 in)
195670.6 mm (2.8 in)
195752.1 mm (2.1 in)
195874.9 mm (2.9 in)
195992.9 mm (3.7 in)
196047.4 mm (1.9 in)
196180.3 mm (3.2 in)
196298.3 mm (3.9 in)
196399.3 mm (3.9 in)
1964112.0 mm (4.4 in)
196594.6 mm (3.7 in)
1966157.9 mm (6.2 in)
196761.3 mm (2.4 in)
1968192.8 mm (7.6 in)
196978.5 mm (3.1 in)
197080.2 mm (3.2 in)
197163.0 mm (2.5 in)
197271.7 mm (2.8 in)
197390.9 mm (3.6 in)
1974100.4 mm (4.0 in)
197591.2 mm (3.6 in)
197679.5 mm (3.1 in)
197772.1 mm (2.8 in)
197870.1 mm (2.8 in)
197964.8 mm (2.6 in)
198075.0 mm (3.0 in)
198175.5 mm (3.0 in)
198255.4 mm (2.2 in)
1983109.7 mm (4.3 in)
198448.1 mm (1.9 in)
198576.2 mm (3.0 in)
198693.2 mm (3.7 in)
198763.0 mm (2.5 in)
198870.4 mm (2.8 in)
198979.8 mm (3.1 in)
1990134.1 mm (5.3 in)
199175.2 mm (3.0 in)
1992135.5 mm (5.3 in)
199353.3 mm (2.1 in)
199491.5 mm (3.6 in)
199576.2 mm (3.0 in)
199685.6 mm (3.4 in)
1997148.4 mm (5.8 in)
199889.9 mm (3.5 in)
1999125.2 mm (4.9 in)
200093.1 mm (3.7 in)
200188.4 mm (3.5 in)
200269.3 mm (2.7 in)
2003103.1 mm (4.1 in)
2004117.6 mm (4.6 in)
2005114.6 mm (4.5 in)
200670.8 mm (2.8 in)
200761.3 mm (2.4 in)
200889.9 mm (3.5 in)
2009106.7 mm (4.2 in)
201078.8 mm (3.1 in)
2011114.8 mm (4.5 in)
201276.0 mm (3.0 in)
201365.5 mm (2.6 in)
201473.4 mm (2.9 in)
201593.5 mm (3.7 in)
201669.1 mm (2.7 in)
2017113.6 mm (4.5 in)
2018106.4 mm (4.2 in)
201970.4 mm (2.8 in)
202084.3 mm (3.3 in)
202189.9 mm (3.5 in)
202273.2 mm (2.9 in)
202362.0 mm (2.4 in)
202475.5 mm (3.0 in)
2025101.5 mm (4.0 in)
2026136.5 mm (5.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Nelsonville by year The longest dry spell of the year at Nelsonville, 1951 to 2026. The record is 44 days in 1963, marked on the chart; the median year is 18 days. 10203040501960198020002020Record: 44 days in 1963
The longest dry spell of the year at Nelsonville, 1951 to 2026. The record is 44 days in 1963, marked on the chart; the median year is 18 days.
Longest dry spell (CDD) at Nelsonville by year
YearLongest dry spell (CDD)
195115 days
195223 days
195322 days
195414 days
195528 days
195616 days
195721 days
195813 days
195918 days
196014 days
196114 days
196217 days
196344 days
196421 days
196516 days
196615 days
196725 days
196818 days
196925 days
197015 days
197116 days
197217 days
197315 days
197417 days
197520 days
197625 days
197718 days
197818 days
197918 days
198017 days
198131 days
198232 days
198325 days
198422 days
198532 days
198623 days
198727 days
198818 days
198919 days
199014 days
199120 days
199223 days
199326 days
199425 days
199521 days
199623 days
199744 days
199819 days
199930 days
200015 days
200118 days
200231 days
200312 days
200426 days
200514 days
200616 days
200717 days
200825 days
200919 days
201018 days
201118 days
201220 days
201314 days
201418 days
201515 days
201614 days
201721 days
201810 days
201923 days
202014 days
202122 days
202215 days
202329 days
202418 days
202519 days
202613 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

72 years, 1952 to 2025

A day with at least 56.0 mm (2.2 in) of rain is expected about once in 2 years. A day with at least 123.6 mm (4.9 in) of rain is expected about once in 100 years.

Rainfall return levels at Nelsonville: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years56.0 mm (2.2 in)
5 years73.3 mm (2.9 in)
10 years85.1 mm (3.4 in)
25 years100.4 mm (4.0 in)
50 years111.9 mm (4.4 in)
100 years123.6 mm (4.9 in)Longer than the 72 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 72 years of values from 1952 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 117.3 mm (4.6 in) in 1999; 114.8 mm (4.5 in) in 1968; 112.8 mm (4.4 in) in 2011.

Download the Data

  • Data for Nelsonville standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Nelsonville threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-12).