Built 2026-10-17 (17 October 2026)

Oneonta Dam 35 Weather Records (USC00156033)

Record envelope, standing records and threshold days for Oneonta Dam 35 (USC00156033), Kentucky, United States, with 43 years of record.

Key Facts for Oneonta Dam 35

  • Oneonta Dam 35 (USC00156033) is a weather station in Kentucky, United States at 38.97 latitude and -84.30 longitude, 156 m (512 ft) above sea level.
  • The station reports from 1921 to 1963, 43 years of record.
  • 0 records set at Oneonta Dam 35 still stand.
  • Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Oneonta Dam 35 tied a daily record snow depth of 15.2 cm (6.0 in) on 28 January 1963.

About the Station

  • Location: Kentucky, United States, 38.97 latitude, -84.30 longitude.
  • Elevation: 156 m (512 ft).
  • Period of record: 1921 to 1963, 43 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 Oneonta Dam 35, with 2026 drawn through them The band shows the record high and record low for each calendar day at Oneonta Dam 35. 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 Oneonta Dam 35. 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 Oneonta Dam 35, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Which Years Hold Standing Records

0 standing records
Standing records at Oneonta Dam 35 by the year they were set 0 records at Oneonta Dam 35 still stand. 00000000000
0 records at Oneonta Dam 35 still stand.
Standing records at Oneonta Dam 35 by the year they were set
Year setStanding records

Wettest Day of Each Month

Jul: 144.3 mm (5.7 in)
Record daily precipitation for each month at Oneonta Dam 35 The wettest day on record for each calendar month at Oneonta Dam 35. The most was 144.3 mm (5.7 in) on 4 July 1931. 050100150 Jan: 74.2 mm (2.9 in), 22 January 1937 Jan Feb: 53.6 mm (2.1 in), 27 February 1955 Feb Mar: 61.0 mm (2.4 in), 6 March 1945 Mar Apr: 80.0 mm (3.1 in), 16 April 1939 Apr May: 80.0 mm (3.1 in), 8 May 1961 May Jun: 89.7 mm (3.5 in), 5 June 1928 Jun Jul: 144.3 mm (5.7 in), 4 July 1931 Jul Aug: 123.4 mm (4.9 in), 3 August 1932 Aug Sep: 62.5 mm (2.5 in), 22 September 1955 Sep Oct: 62.0 mm (2.4 in), 3 October 1962 Oct Nov: 65.5 mm (2.6 in), 6 November 1948 Nov Dec: 82.0 mm (3.2 in), 24 December 1921 Dec
The wettest day on record for each calendar month at Oneonta Dam 35. The most was 144.3 mm (5.7 in) on 4 July 1931.
Record daily precipitation for each month at Oneonta Dam 35
MonthRecord daily precipitation (mm)Date
Jan74.2 mm (2.9 in)22 January 1937
Feb53.6 mm (2.1 in)27 February 1955
Mar61.0 mm (2.4 in)6 March 1945
Apr80.0 mm (3.1 in)16 April 1939
May80.0 mm (3.1 in)8 May 1961
Jun89.7 mm (3.5 in)5 June 1928
Jul144.3 mm (5.7 in)4 July 1931
Aug123.4 mm (4.9 in)3 August 1932
Sep62.5 mm (2.5 in)22 September 1955
Oct62.0 mm (2.4 in)3 October 1962
Nov65.5 mm (2.6 in)6 November 1948
Dec82.0 mm (3.2 in)24 December 1921

Latest Records

20
Latest records at Oneonta Dam 35
DateStationRecordValueBeat old record byOld record stoodSignificance
28 January 1963Oneonta Dam 35, USdaily snow depth (Tie)15.2 cm (6.0 in)tie15 years2 of 100 (Routine)
27 January 1963Oneonta Dam 35, USmonthly snow depth (Tie)17.8 cm (7.0 in)tie15 years4 of 100 (Routine)
24 January 1963Oneonta Dam 35, USdaily snow depth (Tie)7.6 cm (3.0 in)tie27 years3 of 100 (Routine)
10 November 1962Oneonta Dam 35, USdaily rain30.7 mm (1.2 in)2.8 mm (0.11 in)1 year6 of 100 (Routine)
3 October 1962Oneonta Dam 35, USmonthly rain62.0 mm (2.4 in)5.4 mm (0.21 in)6 years21 of 100 (Routine)
15 July 1962Oneonta Dam 35, USdaily rain21.1 mm (0.8 in)4.8 mm (0.19 in)16 years12 of 100 (Routine)
24 June 1962Oneonta Dam 35, USdaily rain24.9 mm (1.0 in)4.6 mm (0.18 in)31 years16 of 100 (Routine)
21 May 1962Oneonta Dam 35, USdaily rain31.8 mm (1.3 in)9.7 mm (0.38 in)27 years21 of 100 (Routine)
1 May 1962Oneonta Dam 35, USdaily rain19.8 mm (0.8 in)2.8 mm (0.11 in)1 year6 of 100 (Routine)
9 March 1962Oneonta Dam 35, USdaily rain13.5 mm (0.5 in)1.6 mm (0.06 in)0 years5 of 100 (Routine)
28 February 1962Oneonta Dam 35, USdaily rain22.1 mm (0.9 in)7.9 mm (0.31 in)8 years14 of 100 (Routine)
24 February 1962Oneonta Dam 35, USdaily rain36.8 mm (1.4 in)21.3 mm (0.8 in)6 years29 of 100 (Routine)
21 February 1962Oneonta Dam 35, USdaily snowfall7.6 cm (3.0 in)1.2 cm (0.5 in)32 years16 of 100 (Routine)
21 February 1962Oneonta Dam 35, USdaily snow depth7.6 cm (3.0 in)2.5 cm (1.0 in)26 years15 of 100 (Routine)
8 January 1962Oneonta Dam 35, USdaily snowfall3.8 cm (1.5 in)1.3 cm (0.5 in)22 years13 of 100 (Routine)
17 December 1961Oneonta Dam 35, USdaily rain21.6 mm (0.9 in)1.3 mm (0.05 in)28 years13 of 100 (Routine)
1 October 1961Oneonta Dam 35, USdaily rain9.1 mm (0.36 in)4.0 mm (0.16 in)7 years10 of 100 (Routine)
16 July 1961Oneonta Dam 35, USdaily rain49.5 mm (1.9 in)19.3 mm (0.8 in)3 years17 of 100 (Routine)
5 July 1961Oneonta Dam 35, USdaily rain78.0 mm (3.1 in)36.1 mm (1.4 in)20 years35 of 100 (Notable)
9 May 1961Oneonta Dam 35, USdaily rain38.1 mm (1.5 in)29.7 mm (1.2 in)23 years42 of 100 (Notable)

Extremes by Year

1921 to 1963
Yearly extremes at Oneonta Dam 35: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)144.3 mm (5.7 in)193156.1 mm (2.2 in)43
Wettest five days (Rx5day)216.7 mm (8.5 in)193796.4 mm (3.8 in)43
Longest dry spell (CDD)34 days192819 days43

Wettest day (Rx1day)

Wettest day (Rx1day) at Oneonta Dam 35 by year The wettest day of the year at Oneonta Dam 35, 1921 to 1963. The record is 144.3 mm (5.7 in) in 1931, marked on the chart; the median year is 56.1 mm (2.2 in). 0501001501930194019501960Record: 144.3 mm (5.7 in) in 1931
The wettest day of the year at Oneonta Dam 35, 1921 to 1963. The record is 144.3 mm (5.7 in) in 1931, marked on the chart; the median year is 56.1 mm (2.2 in).
Wettest day (Rx1day) at Oneonta Dam 35 by year
YearWettest day (Rx1day)
192182.0 mm (3.2 in)
192255.9 mm (2.2 in)
192370.1 mm (2.8 in)
192444.7 mm (1.8 in)
1925100.6 mm (4.0 in)
192662.2 mm (2.4 in)
192753.3 mm (2.1 in)
192889.7 mm (3.5 in)
192956.9 mm (2.2 in)
193031.5 mm (1.2 in)
1931144.3 mm (5.7 in)
1932123.4 mm (4.9 in)
193351.1 mm (2.0 in)
193431.5 mm (1.2 in)
193546.7 mm (1.8 in)
193645.7 mm (1.8 in)
193774.2 mm (2.9 in)
193860.5 mm (2.4 in)
193980.0 mm (3.1 in)
194056.1 mm (2.2 in)
194152.1 mm (2.1 in)
194260.5 mm (2.4 in)
194340.9 mm (1.6 in)
194432.0 mm (1.3 in)
194561.0 mm (2.4 in)
194662.7 mm (2.5 in)
194752.8 mm (2.1 in)
194865.5 mm (2.6 in)
194963.8 mm (2.5 in)
195051.1 mm (2.0 in)
195139.9 mm (1.6 in)
195242.4 mm (1.7 in)
195347.5 mm (1.9 in)
195436.1 mm (1.4 in)
195562.5 mm (2.5 in)
195676.5 mm (3.0 in)
195768.3 mm (2.7 in)
195850.8 mm (2.0 in)
195937.3 mm (1.5 in)
196039.1 mm (1.5 in)
196180.0 mm (3.1 in)
196262.0 mm (2.4 in)
19638.1 mm (0.32 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Oneonta Dam 35 by year The wettest five days of the year at Oneonta Dam 35, 1921 to 1963. The record is 216.7 mm (8.5 in) in 1937, marked on the chart; the median year is 96.4 mm (3.8 in). 0501001502002501930194019501960Record: 216.7 mm (8.5 in) in 1937
The wettest five days of the year at Oneonta Dam 35, 1921 to 1963. The record is 216.7 mm (8.5 in) in 1937, marked on the chart; the median year is 96.4 mm (3.8 in).
Wettest five days (Rx5day) at Oneonta Dam 35 by year
YearWettest five days (Rx5day)
1921107.4 mm (4.2 in)
1922106.4 mm (4.2 in)
192373.1 mm (2.9 in)
192469.4 mm (2.7 in)
1925110.8 mm (4.4 in)
1926105.7 mm (4.2 in)
1927118.5 mm (4.7 in)
1928139.8 mm (5.5 in)
192993.6 mm (3.7 in)
193051.2 mm (2.0 in)
1931155.2 mm (6.1 in)
1932124.7 mm (4.9 in)
1933109.9 mm (4.3 in)
193467.8 mm (2.7 in)
193573.6 mm (2.9 in)
1936103.6 mm (4.1 in)
1937216.7 mm (8.5 in)
193880.6 mm (3.2 in)
1939133.1 mm (5.2 in)
194083.8 mm (3.3 in)
194193.0 mm (3.7 in)
194298.8 mm (3.9 in)
194388.7 mm (3.5 in)
194450.6 mm (2.0 in)
1945132.6 mm (5.2 in)
1946116.5 mm (4.6 in)
194757.1 mm (2.2 in)
1948109.4 mm (4.3 in)
1949127.1 mm (5.0 in)
1950119.2 mm (4.7 in)
195158.4 mm (2.3 in)
195260.2 mm (2.4 in)
195392.9 mm (3.7 in)
195461.8 mm (2.4 in)
195576.9 mm (3.0 in)
195696.4 mm (3.8 in)
1957105.7 mm (4.2 in)
195876.8 mm (3.0 in)
195975.1 mm (3.0 in)
196092.5 mm (3.6 in)
1961150.9 mm (5.9 in)
1962105.4 mm (4.1 in)
196327.7 mm (1.1 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Oneonta Dam 35 by year The longest dry spell of the year at Oneonta Dam 35, 1921 to 1963. The record is 34 days in 1928, marked on the chart; the median year is 19 days. 0102030401930194019501960Record: 34 days in 1928
The longest dry spell of the year at Oneonta Dam 35, 1921 to 1963. The record is 34 days in 1928, marked on the chart; the median year is 19 days.
Longest dry spell (CDD) at Oneonta Dam 35 by year
YearLongest dry spell (CDD)
19218 days
192228 days
192325 days
192431 days
192526 days
192614 days
192717 days
192834 days
192920 days
193023 days
193118 days
193216 days
193319 days
193425 days
193516 days
193626 days
193714 days
193819 days
193916 days
194025 days
194123 days
194223 days
194320 days
194426 days
194520 days
194615 days
194720 days
194815 days
194916 days
195016 days
195118 days
195222 days
195326 days
195413 days
195527 days
195617 days
195723 days
195818 days
195916 days
196019 days
196117 days
196218 days
196310 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

41 years, 1922 to 1962

A day with at least 54.8 mm (2.2 in) of rain is expected about once in 2 years. A day with at least 143.8 mm (5.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Oneonta Dam 35: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years54.8 mm (2.2 in)
5 years74.0 mm (2.9 in)
10 years88.3 mm (3.5 in)
25 years108.7 mm (4.3 in)
50 years125.5 mm (4.9 in)Longer than the 41 years of record
100 years143.8 mm (5.7 in)Longer than the 41 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, 41 years of values from 1922 to 1962.

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: 144.3 mm (5.7 in) in 1931; 123.4 mm (4.9 in) in 1932; 100.6 mm (4.0 in) in 1925.

Download the Data

  • Data for Oneonta Dam 35 standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Oneonta Dam 35 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).