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Built 2026-10-19 (19 October 2026)

Zlynka Threshold Days by Year (RSM00033042)

3 fixed thresholds counted per year at Zlynka (RSM00033042): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zlynka Thresholds

  • Zlynka: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1971 with 23.
  • Zlynka: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1964 with 4.
  • Zlynka: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1961 with 1.
  • 3 fixed thresholds have at least one qualifying day at Zlynka.
26 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Zlynka Days per year at Zlynka with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1971. 01020301960: 121961: 121962: 151963: 81964: 151965: 121966: 161968: 111969: 181970: 121971: 231972: 141973: 151974: 151975: 61977: 161978: 141979: 111980: 191981: 151982: 141983: 111984: 151985: 141986: 111987: 12196019631966197019731977198019831986
Days per year at Zlynka with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1971.
Days with 10 mm (0.39 in) or more of precipitation per year at Zlynka
YearDaysDecade average
19601213.2
19611213.2
19621513.2
1963813.2
19641513.2
19651213.2
19661613.2
19681113.2
19691813.2
19701214
19712314
19721414
19731514
19741514
1975614
19771614
19781414
19791114
19801913.9
19811513.9
19821413.9
19831113.9
19841513.9
19851413.9
19861113.9
19871213.9
First to last qualifying date each year at Zlynka For each year, a bar from the first to the last day at Zlynka meeting 10 mm (0.39 in). 1960: 20 May 1960 to 24 December 19601961: 13 March 1961 to 28 November 19611962: 15 February 1962 to 22 November 19621963: 20 May 1963 to 8 September 19631964: 3 April 1964 to 4 December 19641965: 23 April 1965 to 12 December 19651966: 27 February 1966 to 25 December 19661968: 3 January 1968 to 27 December 19681969: 2 January 1969 to 18 December 19691970: 2 January 1970 to 22 December 19701971: 1 January 1971 to 12 December 19711972: 7 April 1972 to 22 November 19721973: 11 January 1973 to 17 December 19731974: 24 May 1974 to 29 December 19741975: 24 May 1975 to 16 September 19751977: 23 April 1977 to 27 November 19771978: 28 March 1978 to 21 October 19781979: 3 January 1979 to 7 November 19791980: 1 January 1980 to 21 October 19801981: 8 March 1981 to 14 December 19811982: 24 April 1982 to 18 November 19821983: 13 February 1983 to 29 November 19831984: 11 May 1984 to 25 November 19841985: 23 January 1985 to 26 November 19851986: 9 January 1986 to 31 August 19861987: 13 January 1987 to 23 November 19871960196419691973197819821986JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zlynka meeting 10 mm (0.39 in).
First to last qualifying date each year at Zlynka
YearFirst dateLast date
19601960-05-201960-12-24
19611961-03-131961-11-28
19621962-02-151962-11-22
19631963-05-201963-09-08
19641964-04-031964-12-04
19651965-04-231965-12-12
19661966-02-271966-12-25
19681968-01-031968-12-27
19691969-01-021969-12-18
19701970-01-021970-12-22
19711971-01-011971-12-12
19721972-04-071972-11-22
19731973-01-111973-12-17
19741974-05-241974-12-29
19751975-05-241975-09-16
19771977-04-231977-11-27
19781978-03-281978-10-21
19791979-01-031979-11-07
19801980-01-011980-10-21
19811981-03-081981-12-14
19821982-04-241982-11-18
19831983-02-131983-11-29
19841984-05-111984-11-25
19851985-01-231985-11-26
19861986-01-091986-08-31
19871987-01-131987-11-23

Every Fixed Threshold

Fixed thresholds at Zlynka
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2623197112
25 mm (0.98 in): Days with 25 mm or more rain21419641
50 mm (1.97 in): Days with 50 mm or more rain3119611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Zlynka 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).