Built 2026-10-19 (19 October 2026)

Oneonta Dam 35 Threshold Days by Year (USC00156033)

5 fixed thresholds counted per year at Oneonta Dam 35 (USC00156033): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oneonta Dam 35 Thresholds

  • Oneonta Dam 35: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1926 with 61.
  • Oneonta Dam 35: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1926 with 17.
  • Oneonta Dam 35: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1937 with 4.
  • Oneonta Dam 35: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 1937 with 2.
  • 5 fixed thresholds have at least one qualifying day at Oneonta Dam 35.
41 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Oneonta Dam 35 Days per year at Oneonta Dam 35 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 61 in 1926. 0204060801922: 361923: 431924: 321925: 321926: 611927: 441928: 391929: 481930: 181931: 351932: 331933: 361934: 161935: 391936: 281937: 321938: 291939: 331940: 271941: 271942: 341943: 331944: 291945: 371946: 381947: 331948: 321949: 311950: 451951: 371952: 301953: 251954: 251955: 391956: 331957: 321958: 311959: 321960: 301961: 411962: 35192219271932193719421947195219571962
Days per year at Oneonta Dam 35 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 61 in 1926.
Days with 10 mm (0.39 in) or more of precipitation per year at Oneonta Dam 35
YearDaysDecade average
19223641.9
19234341.9
19243241.9
19253241.9
19266141.9
19274441.9
19283941.9
19294841.9
19301829.9
19313529.9
19323329.9
19333629.9
19341629.9
19353929.9
19362829.9
19373229.9
19382929.9
19393329.9
19402732.1
19412732.1
19423432.1
19433332.1
19442932.1
19453732.1
19463832.1
19473332.1
19483232.1
19493132.1
19504532.9
19513732.9
19523032.9
19532532.9
19542532.9
19553932.9
19563332.9
19573232.9
19583132.9
19593232.9
19603035.3
19614135.3
19623535.3
First to last qualifying date each year at Oneonta Dam 35 For each year, a bar from the first to the last day at Oneonta Dam 35 meeting 10 mm (0.39 in). 1922: 4 January 1922 to 28 December 19221923: 8 January 1923 to 31 December 19231924: 3 January 1924 to 24 December 19241925: 20 January 1925 to 5 December 19251926: 18 January 1926 to 29 December 19261927: 19 January 1927 to 29 December 19271928: 19 January 1928 to 18 December 19281929: 1 January 1929 to 19 December 19291930: 3 January 1930 to 26 December 19301931: 6 January 1931 to 22 December 19311932: 6 January 1932 to 31 December 19321933: 19 January 1933 to 20 December 19331934: 7 January 1934 to 26 December 19341935: 17 January 1935 to 9 December 19351936: 4 February 1936 to 31 December 19361937: 7 January 1937 to 28 December 19371938: 1 January 1938 to 27 December 19381939: 5 January 1939 to 21 November 19391940: 14 January 1940 to 29 December 19401941: 24 January 1941 to 24 December 19411942: 5 February 1942 to 30 December 19421943: 1 February 1943 to 16 November 19431944: 3 January 1944 to 26 December 19441945: 1 January 1945 to 25 December 19451946: 9 January 1946 to 29 December 19461947: 2 January 1947 to 16 December 19471948: 1 January 1948 to 29 December 19481949: 5 January 1949 to 27 December 19491950: 3 January 1950 to 26 November 19501951: 3 January 1951 to 26 December 19511952: 3 January 1952 to 10 December 19521953: 8 January 1953 to 6 December 19531954: 16 January 1954 to 30 December 19541955: 5 January 1955 to 2 December 19551956: 30 January 1956 to 21 December 19561957: 10 January 1957 to 26 December 19571958: 25 January 1958 to 5 December 19581959: 1 January 1959 to 28 December 19591960: 3 January 1960 to 21 December 19601961: 15 January 1961 to 17 December 19611962: 7 January 1962 to 30 December 19621922192819341940194619521958JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Oneonta Dam 35 meeting 10 mm (0.39 in).
First to last qualifying date each year at Oneonta Dam 35
YearFirst dateLast date
19221922-01-041922-12-28
19231923-01-081923-12-31
19241924-01-031924-12-24
19251925-01-201925-12-05
19261926-01-181926-12-29
19271927-01-191927-12-29
19281928-01-191928-12-18
19291929-01-011929-12-19
19301930-01-031930-12-26
19311931-01-061931-12-22
19321932-01-061932-12-31
19331933-01-191933-12-20
19341934-01-071934-12-26
19351935-01-171935-12-09
19361936-02-041936-12-31
19371937-01-071937-12-28
19381938-01-011938-12-27
19391939-01-051939-11-21
19401940-01-141940-12-29
19411941-01-241941-12-24
19421942-02-051942-12-30
19431943-02-011943-11-16
19441944-01-031944-12-26
19451945-01-011945-12-25
19461946-01-091946-12-29
19471947-01-021947-12-16
19481948-01-011948-12-29
19491949-01-051949-12-27
19501950-01-031950-11-26
19511951-01-031951-12-26
19521952-01-031952-12-10
19531953-01-081953-12-06
19541954-01-161954-12-30
19551955-01-051955-12-02
19561956-01-301956-12-21
19571957-01-101957-12-26
19581958-01-251958-12-05
19591959-01-011959-12-28
19601960-01-031960-12-21
19611961-01-151961-12-17
19621962-01-071962-12-30

Every Fixed Threshold

Fixed thresholds at Oneonta Dam 35
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4161192635
25 mm (0.98 in): Days with 25 mm or more rain411719267
50 mm (1.97 in): Days with 50 mm or more rain28419371
100 mm (3.94 in): Days with 100 mm or more rain3119251
10 cm (3.9 in): Days with 10 cm or more snowfall13219372

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1922.

Download the Data

  • 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

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