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Built 2026-10-19 (19 October 2026)

Selemdza Threshold Days by Year (RSM00031338)

3 fixed thresholds counted per year at Selemdza (RSM00031338): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Selemdza Thresholds

  • Selemdza: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1942 with 26.
  • Selemdza: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1968 with 7.
  • Selemdza: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1939 with 1.
  • 3 fixed thresholds have at least one qualifying day at Selemdza.
50 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Selemdza Days per year at Selemdza with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1942. 01020301939: 131940: 171941: 81942: 261944: 81945: 171946: 161947: 131948: 241949: 131950: 181951: 121952: 101953: 241954: 201955: 211956: 111957: 141958: 181959: 171960: 161961: 201962: 111963: 151964: 191965: 151966: 191967: 201968: 151969: 161970: 171971: 191972: 191973: 171974: 151975: 231976: 181977: 241978: 211979: 151980: 101983: 131984: 261985: 221986: 261987: 231988: 181989: 251990: 161992: 211939194519501955196019651970197519801987
Days per year at Selemdza with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1942.
Days with 10 mm (0.39 in) or more of precipitation per year at Selemdza
YearDaysDecade average
19391313
19401715.8
1941815.8
19422615.8
1944815.8
19451715.8
19461615.8
19471315.8
19482415.8
19491315.8
19501816.5
19511216.5
19521016.5
19532416.5
19542016.5
19552116.5
19561116.5
19571416.5
19581816.5
19591716.5
19601616.6
19612016.6
19621116.6
19631516.6
19641916.6
19651516.6
19661916.6
19672016.6
19681516.6
19691616.6
19701718.8
19711918.8
19721918.8
19731718.8
19741518.8
19752318.8
19761818.8
19772418.8
19782118.8
19791518.8
19801020.4
19831320.4
19842620.4
19852220.4
19862620.4
19872320.4
19881820.4
19892520.4
19901618.5
19922118.5
First to last qualifying date each year at Selemdza For each year, a bar from the first to the last day at Selemdza meeting 10 mm (0.39 in). 1939: 12 June 1939 to 29 September 19391940: 19 June 1940 to 6 November 19401941: 28 January 1941 to 4 October 19411942: 13 March 1942 to 26 November 19421944: 14 May 1944 to 17 September 19441945: 22 May 1945 to 29 September 19451946: 5 May 1946 to 3 September 19461947: 29 May 1947 to 8 September 19471948: 3 April 1948 to 12 October 19481949: 14 May 1949 to 15 September 19491950: 3 May 1950 to 11 September 19501951: 19 June 1951 to 14 November 19511952: 2 May 1952 to 15 October 19521953: 8 May 1953 to 3 November 19531954: 6 April 1954 to 23 November 19541955: 1 April 1955 to 28 September 19551956: 9 May 1956 to 22 October 19561957: 23 May 1957 to 4 October 19571958: 3 June 1958 to 17 September 19581959: 21 April 1959 to 1 November 19591960: 24 April 1960 to 30 September 19601961: 8 June 1961 to 27 September 19611962: 18 May 1962 to 21 September 19621963: 19 May 1963 to 29 October 19631964: 13 April 1964 to 14 October 19641965: 25 June 1965 to 4 October 19651966: 21 May 1966 to 27 September 19661967: 25 May 1967 to 5 November 19671968: 4 May 1968 to 4 October 19681969: 24 May 1969 to 21 September 19691970: 8 May 1970 to 28 September 19701971: 7 May 1971 to 4 September 19711972: 2 June 1972 to 7 October 19721973: 6 May 1973 to 14 November 19731974: 9 April 1974 to 18 September 19741975: 3 June 1975 to 26 September 19751976: 15 April 1976 to 20 October 19761977: 8 March 1977 to 26 September 19771978: 15 May 1978 to 23 September 19781979: 25 May 1979 to 14 September 19791980: 19 May 1980 to 5 November 19801983: 15 April 1983 to 5 September 19831984: 21 January 1984 to 23 September 19841985: 20 April 1985 to 19 September 19851986: 6 January 1986 to 27 September 19861987: 17 April 1987 to 14 October 19871988: 16 May 1988 to 5 September 19881989: 8 April 1989 to 14 October 19891990: 1 April 1990 to 14 November 19901992: 12 May 1992 to 5 November 199219391947195419611968197519841992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Selemdza meeting 10 mm (0.39 in).
First to last qualifying date each year at Selemdza
YearFirst dateLast date
19391939-06-121939-09-29
19401940-06-191940-11-06
19411941-01-281941-10-04
19421942-03-131942-11-26
19441944-05-141944-09-17
19451945-05-221945-09-29
19461946-05-051946-09-03
19471947-05-291947-09-08
19481948-04-031948-10-12
19491949-05-141949-09-15
19501950-05-031950-09-11
19511951-06-191951-11-14
19521952-05-021952-10-15
19531953-05-081953-11-03
19541954-04-061954-11-23
19551955-04-011955-09-28
19561956-05-091956-10-22
19571957-05-231957-10-04
19581958-06-031958-09-17
19591959-04-211959-11-01
19601960-04-241960-09-30
19611961-06-081961-09-27
19621962-05-181962-09-21
19631963-05-191963-10-29
19641964-04-131964-10-14
19651965-06-251965-10-04
19661966-05-211966-09-27
19671967-05-251967-11-05
19681968-05-041968-10-04
19691969-05-241969-09-21
19701970-05-081970-09-28
19711971-05-071971-09-04
19721972-06-021972-10-07
19731973-05-061973-11-14
19741974-04-091974-09-18
19751975-06-031975-09-26
19761976-04-151976-10-20
19771977-03-081977-09-26
19781978-05-151978-09-23
19791979-05-251979-09-14
19801980-05-191980-11-05
19831983-04-151983-09-05
19841984-01-211984-09-23
19851985-04-201985-09-19
19861986-01-061986-09-27
19871987-04-171987-10-14
19881988-05-161988-09-05
19891989-04-081989-10-14
19901990-04-011990-11-14
19921992-05-121992-11-05

Every Fixed Threshold

Fixed thresholds at Selemdza
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5026194221
25 mm (0.98 in): Days with 25 mm or more rain50719684
50 mm (1.97 in): Days with 50 mm or more rain13119391

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 Selemdza 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).