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Built 2026-10-18 (18 October 2026)

Blackville (Koumala) Threshold Days by Year

4 fixed thresholds counted per year at Blackville (Koumala) (ASN00055237): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blackville (Koumala) Thresholds

  • Blackville (Koumala): days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1969 with 33.
  • Blackville (Koumala): days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1969 with 9.
  • Blackville (Koumala): days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1991 with 4.
  • Blackville (Koumala): days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1974 with 1.
  • 4 fixed thresholds have at least one qualifying day at Blackville (Koumala).
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Blackville (Koumala) Days per year at Blackville (Koumala) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1969. 0102030401966: 191967: 111968: 181969: 331970: 211971: 201972: 271973: 321974: 161975: 201976: 211977: 241978: 311979: 191980: 171981: 191982: 141983: 271984: 331985: 191986: 211987: 251988: 281989: 271990: 251991: 211992: 241993: 281994: 151995: 191966196919721975197819811984198719901993
Days per year at Blackville (Koumala) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1969.
Days with 10 mm (0.39 in) or more of precipitation per year at Blackville (Koumala)
YearDaysDecade average
19661920.3
19671120.3
19681820.3
19693320.3
19702123.1
19712023.1
19722723.1
19733223.1
19741623.1
19752023.1
19762123.1
19772423.1
19783123.1
19791923.1
19801723
19811923
19821423
19832723
19843323
19851923
19862123
19872523
19882823
19892723
19902522
19912122
19922422
19932822
19941522
19951922
First to last qualifying date each year at Blackville (Koumala) For each year, a bar from the first to the last day at Blackville (Koumala) meeting 10 mm (0.39 in). 1966: 5 February 1966 to 31 December 19661967: 25 January 1967 to 30 December 19671968: 4 January 1968 to 6 December 19681969: 18 January 1969 to 23 December 19691970: 2 January 1970 to 29 December 19701971: 14 January 1971 to 16 December 19711972: 13 January 1972 to 22 December 19721973: 13 January 1973 to 31 December 19731974: 7 January 1974 to 18 November 19741975: 4 January 1975 to 20 October 19751976: 13 January 1976 to 24 December 19761977: 11 January 1977 to 19 December 19771978: 3 January 1978 to 27 December 19781979: 4 March 1979 to 24 November 19791980: 3 January 1980 to 14 December 19801981: 5 February 1981 to 20 December 19811982: 18 January 1982 to 30 December 19821983: 2 January 1983 to 27 December 19831984: 1 January 1984 to 26 December 19841985: 3 April 1985 to 8 December 19851986: 5 January 1986 to 17 December 19861987: 2 January 1987 to 21 December 19871988: 17 January 1988 to 27 December 19881989: 1 January 1989 to 24 December 19891990: 8 January 1990 to 4 December 19901991: 1 January 1991 to 13 December 19911992: 4 February 1992 to 14 December 19921993: 12 January 1993 to 8 December 19931994: 18 January 1994 to 25 December 19941995: 6 January 1995 to 31 December 199519661970197419781982198619901994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Blackville (Koumala) meeting 10 mm (0.39 in).
First to last qualifying date each year at Blackville (Koumala)
YearFirst dateLast date
19661966-02-051966-12-31
19671967-01-251967-12-30
19681968-01-041968-12-06
19691969-01-181969-12-23
19701970-01-021970-12-29
19711971-01-141971-12-16
19721972-01-131972-12-22
19731973-01-131973-12-31
19741974-01-071974-11-18
19751975-01-041975-10-20
19761976-01-131976-12-24
19771977-01-111977-12-19
19781978-01-031978-12-27
19791979-03-041979-11-24
19801980-01-031980-12-14
19811981-02-051981-12-20
19821982-01-181982-12-30
19831983-01-021983-12-27
19841984-01-011984-12-26
19851985-04-031985-12-08
19861986-01-051986-12-17
19871987-01-021987-12-21
19881988-01-171988-12-27
19891989-01-011989-12-24
19901990-01-081990-12-04
19911991-01-011991-12-13
19921992-02-041992-12-14
19931993-01-121993-12-08
19941994-01-181994-12-25
19951995-01-061995-12-31

Every Fixed Threshold

Fixed thresholds at Blackville (Koumala)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3033196919
25 mm (0.98 in): Days with 25 mm or more rain30919696
50 mm (1.97 in): Days with 50 mm or more rain17419911
100 mm (3.94 in): Days with 100 mm or more rain2119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Blackville (Koumala) 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).