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Built 2026-10-19 (19 October 2026)

Kelvin Threshold Days by Year (USC00024594)

3 fixed thresholds counted per year at Kelvin (USC00024594): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kelvin Thresholds

  • Kelvin: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1941 with 25.
  • Kelvin: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1982 with 8.
  • Kelvin: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1963 with 3.
  • 3 fixed thresholds have at least one qualifying day at Kelvin.
39 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Kelvin Days per year at Kelvin with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1941. 01020301939: 101941: 251942: 111943: 111944: 151945: 101946: 151947: 81948: 91949: 71950: 61951: 141952: 151953: 121954: 91955: 101956: 41957: 161958: 151959: 111960: 71961: 91962: 101963: 131964: 81965: 191966: 121967: 181968: 151969: 121970: 101971: 121972: 151973: 111974: 101975: 111979: 101980: 181982: 161939194419481952195619601964196819721979
Days per year at Kelvin with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1941.
Days with 10 mm (0.39 in) or more of precipitation per year at Kelvin
YearDaysDecade average
19391010
19412512.3
19421112.3
19431112.3
19441512.3
19451012.3
19461512.3
1947812.3
1948912.3
1949712.3
1950611.2
19511411.2
19521511.2
19531211.2
1954911.2
19551011.2
1956411.2
19571611.2
19581511.2
19591111.2
1960712.3
1961912.3
19621012.3
19631312.3
1964812.3
19651912.3
19661212.3
19671812.3
19681512.3
19691212.3
19701011.3
19711211.3
19721511.3
19731111.3
19741011.3
19751111.3
19791011.3
19801817
19821617
First to last qualifying date each year at Kelvin For each year, a bar from the first to the last day at Kelvin meeting 10 mm (0.39 in). 1939: 6 January 1939 to 29 November 19391941: 11 January 1941 to 11 December 19411942: 2 January 1942 to 25 December 19421943: 24 January 1943 to 26 December 19431944: 24 January 1944 to 3 December 19441945: 20 January 1945 to 23 December 19451946: 3 January 1946 to 26 December 19461947: 27 February 1947 to 9 December 19471948: 9 March 1948 to 26 December 19481949: 10 January 1949 to 20 December 19491950: 11 February 1950 to 11 August 19501951: 12 January 1951 to 31 December 19511952: 18 January 1952 to 21 December 19521953: 7 January 1953 to 27 August 19531954: 21 January 1954 to 24 September 19541955: 4 January 1955 to 2 December 19551956: 21 January 1956 to 18 August 19561957: 8 January 1957 to 5 December 19571958: 4 February 1958 to 6 October 19581959: 9 February 1959 to 26 December 19591960: 11 January 1960 to 3 December 19601961: 27 January 1961 to 16 December 19611962: 22 January 1962 to 27 December 19621963: 3 January 1963 to 21 November 19631964: 25 March 1964 to 18 December 19641965: 7 January 1965 to 30 December 19651966: 18 January 1966 to 7 December 19661967: 23 January 1967 to 19 December 19671968: 27 January 1968 to 21 December 19681969: 14 January 1969 to 28 December 19691970: 2 March 1970 to 22 December 19701971: 17 February 1971 to 26 December 19711972: 6 June 1972 to 28 December 19721973: 13 February 1973 to 19 November 19731974: 5 January 1974 to 5 December 19741975: 14 February 1975 to 21 December 19751979: 7 January 1979 to 21 October 19791980: 9 January 1980 to 6 September 19801982: 6 January 1982 to 23 December 198219391945195019551960196519701975JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kelvin meeting 10 mm (0.39 in).
First to last qualifying date each year at Kelvin
YearFirst dateLast date
19391939-01-061939-11-29
19411941-01-111941-12-11
19421942-01-021942-12-25
19431943-01-241943-12-26
19441944-01-241944-12-03
19451945-01-201945-12-23
19461946-01-031946-12-26
19471947-02-271947-12-09
19481948-03-091948-12-26
19491949-01-101949-12-20
19501950-02-111950-08-11
19511951-01-121951-12-31
19521952-01-181952-12-21
19531953-01-071953-08-27
19541954-01-211954-09-24
19551955-01-041955-12-02
19561956-01-211956-08-18
19571957-01-081957-12-05
19581958-02-041958-10-06
19591959-02-091959-12-26
19601960-01-111960-12-03
19611961-01-271961-12-16
19621962-01-221962-12-27
19631963-01-031963-11-21
19641964-03-251964-12-18
19651965-01-071965-12-30
19661966-01-181966-12-07
19671967-01-231967-12-19
19681968-01-271968-12-21
19691969-01-141969-12-28
19701970-03-021970-12-22
19711971-02-171971-12-26
19721972-06-061972-12-28
19731973-02-131973-11-19
19741974-01-051974-12-05
19751975-02-141975-12-21
19791979-01-071979-10-21
19801980-01-091980-09-06
19821982-01-061982-12-23

Every Fixed Threshold

Fixed thresholds at Kelvin
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3925194116
25 mm (0.98 in): Days with 25 mm or more rain36819828
50 mm (1.97 in): Days with 50 mm or more rain13319631

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Kelvin 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).