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Built 2026-10-19 (19 October 2026)

Uniteit Threshold Days by Year (SF002247340)

4 fixed thresholds counted per year at Uniteit (SF002247340): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Uniteit Thresholds

  • Uniteit: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1974 with 24.
  • Uniteit: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1974 with 11.
  • Uniteit: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1941 with 2.
  • Uniteit: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1989 with 1.
  • 4 fixed thresholds have at least one qualifying day at Uniteit.
62 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Uniteit Days per year at Uniteit with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1974. 01020301935: 91936: 51937: 41938: 51939: 131941: 51942: 51943: 121944: 41945: 51946: 101947: 31948: 91949: 11950: 161951: 51952: 51953: 41954: 51955: 81956: 61957: 121958: 61959: 81960: 51961: 91962: 21963: 201964: 91965: 51966: 31967: 91968: 91969: 61970: 51971: 91972: 81973: 91974: 241975: 91976: 111977: 111978: 71979: 101980: 61981: 81982: 51983: 91984: 51985: 121986: 41987: 41988: 121989: 81990: 51991: 181992: 51993: 71994: 91995: 111996: 91997: 6193519431950195719641971197819851992
Days per year at Uniteit with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Uniteit
YearDaysDecade average
193597.2
193657.2
193747.2
193857.2
1939137.2
194156
194256
1943126
194446
194556
1946106
194736
194896
194916
1950167.5
195157.5
195257.5
195347.5
195457.5
195587.5
195667.5
1957127.5
195867.5
195987.5
196057.7
196197.7
196227.7
1963207.7
196497.7
196557.7
196637.7
196797.7
196897.7
196967.7
1970510.3
1971910.3
1972810.3
1973910.3
19742410.3
1975910.3
19761110.3
19771110.3
1978710.3
19791010.3
198067.3
198187.3
198257.3
198397.3
198457.3
1985127.3
198647.3
198747.3
1988127.3
198987.3
199058.8
1991188.8
199258.8
199378.8
199498.8
1995118.8
199698.8
199768.8
First to last qualifying date each year at Uniteit For each year, a bar from the first to the last day at Uniteit meeting 10 mm (0.39 in). 1935: 24 February 1935 to 15 December 19351936: 25 February 1936 to 17 November 19361937: 18 January 1937 to 29 October 19371938: 17 January 1938 to 26 October 19381939: 16 January 1939 to 23 October 19391941: 30 January 1941 to 28 September 19411942: 25 February 1942 to 12 October 19421943: 4 February 1943 to 11 December 19431944: 27 February 1944 to 21 October 19441945: 6 January 1945 to 12 July 19451946: 10 February 1946 to 25 July 19461947: 21 March 1947 to 22 October 19471948: 18 February 1948 to 18 November 19481949: 22 March 1949 to 22 March 19491950: 17 February 1950 to 26 December 19501951: 2 January 1951 to 13 May 19511952: 8 February 1952 to 13 July 19521953: 15 March 1953 to 2 April 19531954: 16 March 1954 to 30 April 19541955: 31 January 1955 to 4 December 19551956: 16 January 1956 to 17 November 19561957: 21 February 1957 to 30 December 19571958: 19 January 1958 to 26 December 19581959: 27 January 1959 to 12 December 19591960: 12 March 1960 to 27 December 19601961: 26 January 1961 to 26 November 19611962: 11 February 1962 to 17 November 19621963: 3 January 1963 to 12 December 19631964: 11 February 1964 to 3 December 19641965: 23 March 1965 to 17 July 19651966: 21 January 1966 to 6 February 19661967: 17 January 1967 to 22 November 19671968: 4 March 1968 to 16 May 19681969: 23 February 1969 to 26 October 19691970: 3 February 1970 to 24 December 19701971: 8 January 1971 to 14 October 19711972: 6 January 1972 to 3 October 19721973: 17 February 1973 to 23 December 19731974: 7 January 1974 to 16 December 19741975: 30 January 1975 to 18 December 19751976: 3 January 1976 to 18 July 19761977: 27 January 1977 to 25 December 19771978: 3 January 1978 to 8 December 19781979: 25 January 1979 to 21 December 19791980: 5 March 1980 to 12 December 19801981: 13 February 1981 to 18 October 19811982: 20 February 1982 to 4 December 19821983: 8 April 1983 to 27 December 19831984: 22 March 1984 to 26 October 19841985: 14 January 1985 to 18 December 19851986: 17 January 1986 to 26 April 19861987: 27 February 1987 to 21 December 19871988: 15 February 1988 to 28 December 19881989: 4 January 1989 to 20 April 19891990: 14 January 1990 to 21 April 19901991: 19 January 1991 to 17 December 19911992: 26 February 1992 to 30 October 19921993: 9 February 1993 to 23 December 19931994: 8 January 1994 to 2 November 19941995: 10 January 1995 to 16 December 19951996: 17 January 1996 to 27 December 19961997: 17 January 1997 to 27 March 199719351944195219601968197619841992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Uniteit meeting 10 mm (0.39 in).
First to last qualifying date each year at Uniteit
YearFirst dateLast date
19351935-02-241935-12-15
19361936-02-251936-11-17
19371937-01-181937-10-29
19381938-01-171938-10-26
19391939-01-161939-10-23
19411941-01-301941-09-28
19421942-02-251942-10-12
19431943-02-041943-12-11
19441944-02-271944-10-21
19451945-01-061945-07-12
19461946-02-101946-07-25
19471947-03-211947-10-22
19481948-02-181948-11-18
19491949-03-221949-03-22
19501950-02-171950-12-26
19511951-01-021951-05-13
19521952-02-081952-07-13
19531953-03-151953-04-02
19541954-03-161954-04-30
19551955-01-311955-12-04
19561956-01-161956-11-17
19571957-02-211957-12-30
19581958-01-191958-12-26
19591959-01-271959-12-12
19601960-03-121960-12-27
19611961-01-261961-11-26
19621962-02-111962-11-17
19631963-01-031963-12-12
19641964-02-111964-12-03
19651965-03-231965-07-17
19661966-01-211966-02-06
19671967-01-171967-11-22
19681968-03-041968-05-16
19691969-02-231969-10-26
19701970-02-031970-12-24
19711971-01-081971-10-14
19721972-01-061972-10-03
19731973-02-171973-12-23
19741974-01-071974-12-16
19751975-01-301975-12-18
19761976-01-031976-07-18
19771977-01-271977-12-25
19781978-01-031978-12-08
19791979-01-251979-12-21
19801980-03-051980-12-12
19811981-02-131981-10-18
19821982-02-201982-12-04
19831983-04-081983-12-27
19841984-03-221984-10-26
19851985-01-141985-12-18
19861986-01-171986-04-26
19871987-02-271987-12-21
19881988-02-151988-12-28
19891989-01-041989-04-20
19901990-01-141990-04-21
19911991-01-191991-12-17
19921992-02-261992-10-30
19931993-02-091993-12-23
19941994-01-081994-11-02
19951995-01-101995-12-16
19961996-01-171996-12-27
19971997-01-171997-03-27

Every Fixed Threshold

Fixed thresholds at Uniteit
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain622419746
25 mm (0.98 in): Days with 25 mm or more rain521119742
50 mm (1.97 in): Days with 50 mm or more rain18219411
100 mm (3.94 in): Days with 100 mm or more rain1119891

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.

Download the Data

  • Data for Uniteit 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).