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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Popelak Threshold Days by Year

3 fixed thresholds counted per year at Popelak (UPM00033913): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Popelak Thresholds

  • Popelak: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1966 with 17.
  • Popelak: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1964 with 3.
  • Popelak: days with 50 mm (1.97 in) or more of precipitation in 1 years, most in 1980 with 1.
  • 3 fixed thresholds have at least one qualifying day at Popelak.
27 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Popelak Days per year at Popelak with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1966. 051015201960: 161961: 81962: 101963: 91964: 91965: 121966: 171967: 101968: 111969: 141970: 111971: 51972: 131973: 151974: 81975: 51977: 81979: 101980: 121981: 161982: 91983: 91984: 101985: 141986: 81987: 61988: 12196019631966196919721975198019831986
Days per year at Popelak with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1966.
Days with 10 mm (0.39 in) or more of precipitation per year at Popelak
YearDaysDecade average
19601611.6
1961811.6
19621011.6
1963911.6
1964911.6
19651211.6
19661711.6
19671011.6
19681111.6
19691411.6
1970119.4
197159.4
1972139.4
1973159.4
197489.4
197559.4
197789.4
1979109.4
19801210.7
19811610.7
1982910.7
1983910.7
19841010.7
19851410.7
1986810.7
1987610.7
19881210.7
First to last qualifying date each year at Popelak For each year, a bar from the first to the last day at Popelak meeting 10 mm (0.39 in). 1960: 27 February 1960 to 30 December 19601961: 22 March 1961 to 18 December 19611962: 6 June 1962 to 31 December 19621963: 8 January 1963 to 14 December 19631964: 2 March 1964 to 25 August 19641965: 2 February 1965 to 29 November 19651966: 5 January 1966 to 29 November 19661967: 10 January 1967 to 28 November 19671968: 9 January 1968 to 27 November 19681969: 11 February 1969 to 29 December 19691970: 8 January 1970 to 10 November 19701971: 27 February 1971 to 14 November 19711972: 24 April 1972 to 26 November 19721973: 1 March 1973 to 16 December 19731974: 15 March 1974 to 19 December 19741975: 24 March 1975 to 23 November 19751977: 13 April 1977 to 25 December 19771979: 1 January 1979 to 31 October 19791980: 4 January 1980 to 11 November 19801981: 15 January 1981 to 28 December 19811982: 31 March 1982 to 17 October 19821983: 9 February 1983 to 8 December 19831984: 12 February 1984 to 12 November 19841985: 9 January 1985 to 29 November 19851986: 2 January 1986 to 9 July 19861987: 12 January 1987 to 12 November 19871988: 19 March 1988 to 3 December 19881960196419681972197719821986JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Popelak meeting 10 mm (0.39 in).
First to last qualifying date each year at Popelak
YearFirst dateLast date
19601960-02-271960-12-30
19611961-03-221961-12-18
19621962-06-061962-12-31
19631963-01-081963-12-14
19641964-03-021964-08-25
19651965-02-021965-11-29
19661966-01-051966-11-29
19671967-01-101967-11-28
19681968-01-091968-11-27
19691969-02-111969-12-29
19701970-01-081970-11-10
19711971-02-271971-11-14
19721972-04-241972-11-26
19731973-03-011973-12-16
19741974-03-151974-12-19
19751975-03-241975-11-23
19771977-04-131977-12-25
19791979-01-011979-10-31
19801980-01-041980-11-11
19811981-01-151981-12-28
19821982-03-311982-10-17
19831983-02-091983-12-08
19841984-02-121984-11-12
19851985-01-091985-11-29
19861986-01-021986-07-09
19871987-01-121987-11-12
19881988-03-191988-12-03

Every Fixed Threshold

Fixed thresholds at Popelak
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2717196612
25 mm (0.98 in): Days with 25 mm or more rain17319642
50 mm (1.97 in): Days with 50 mm or more rain1119801

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 Popelak 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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