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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Butka Threshold Days by Year (RSM00028455)

3 fixed thresholds counted per year at Butka (RSM00028455): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Butka Thresholds

  • Butka: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1970 with 19.
  • Butka: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1970 with 4.
  • Butka: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1939 with 1.
  • 3 fixed thresholds have at least one qualifying day at Butka.
55 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Butka Days per year at Butka with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1970. 051015201938: 91939: 61940: 71941: 81942: 131943: 81944: 91945: 91946: 41947: 171948: 41949: 31950: 101951: 81952: 31953: 81954: 91955: 101956: 71957: 61958: 41959: 121960: 111961: 91962: 91963: 61964: 81965: 91966: 111967: 101968: 121969: 131970: 191971: 131972: 61973: 101974: 101975: 71976: 91978: 121979: 101980: 131981: 91982: 81983: 111984: 111985: 81986: 121988: 91989: 61990: 151991: 111992: 111994: 101995: 41938194419501956196219681974198119881995
Days per year at Butka with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1970.
Days with 10 mm (0.39 in) or more of precipitation per year at Butka
YearDaysDecade average
193897.5
193967.5
194078.2
194188.2
1942138.2
194388.2
194498.2
194598.2
194648.2
1947178.2
194848.2
194938.2
1950107.7
195187.7
195237.7
195387.7
195497.7
1955107.7
195677.7
195767.7
195847.7
1959127.7
1960119.8
196199.8
196299.8
196369.8
196489.8
196599.8
1966119.8
1967109.8
1968129.8
1969139.8
19701910.7
19711310.7
1972610.7
19731010.7
19741010.7
1975710.7
1976910.7
19781210.7
19791010.7
1980139.7
198199.7
198289.7
1983119.7
1984119.7
198589.7
1986129.7
198899.7
198969.7
19901510.2
19911110.2
19921110.2
19941010.2
1995410.2
First to last qualifying date each year at Butka For each year, a bar from the first to the last day at Butka meeting 10 mm (0.39 in). 1938: 13 April 1938 to 30 September 19381939: 8 June 1939 to 4 September 19391940: 1 May 1940 to 4 October 19401941: 12 April 1941 to 29 August 19411942: 4 May 1942 to 28 September 19421943: 1 May 1943 to 17 December 19431944: 2 May 1944 to 9 October 19441945: 9 May 1945 to 15 December 19451946: 12 July 1946 to 1 October 19461947: 30 March 1947 to 9 October 19471948: 15 June 1948 to 29 July 19481949: 31 May 1949 to 30 September 19491950: 15 June 1950 to 17 September 19501951: 19 May 1951 to 29 October 19511952: 1 September 1952 to 29 October 19521953: 31 May 1953 to 19 November 19531954: 26 April 1954 to 5 September 19541955: 5 June 1955 to 8 November 19551956: 12 April 1956 to 28 October 19561957: 9 June 1957 to 9 October 19571958: 31 May 1958 to 8 December 19581959: 23 April 1959 to 10 October 19591960: 18 May 1960 to 24 October 19601961: 18 January 1961 to 24 November 19611962: 6 June 1962 to 22 October 19621963: 18 May 1963 to 12 December 19631964: 18 June 1964 to 3 September 19641965: 9 April 1965 to 19 November 19651966: 30 April 1966 to 30 October 19661967: 14 May 1967 to 13 September 19671968: 8 January 1968 to 14 November 19681969: 12 March 1969 to 31 December 19691970: 1 January 1970 to 13 November 19701971: 11 January 1971 to 14 December 19711972: 11 July 1972 to 21 September 19721973: 25 June 1973 to 6 September 19731974: 22 April 1974 to 5 September 19741975: 12 February 1975 to 24 December 19751976: 19 May 1976 to 10 September 19761978: 3 January 1978 to 15 December 19781979: 9 February 1979 to 28 October 19791980: 5 April 1980 to 1 December 19801981: 12 March 1981 to 25 September 19811982: 4 June 1982 to 2 October 19821983: 5 May 1983 to 11 September 19831984: 2 May 1984 to 11 October 19841985: 5 April 1985 to 19 August 19851986: 17 June 1986 to 19 October 19861988: 29 April 1988 to 16 November 19881989: 21 May 1989 to 26 October 19891990: 31 March 1990 to 7 November 19901991: 13 May 1991 to 22 October 19911992: 13 April 1992 to 1 September 19921994: 22 June 1994 to 20 September 19941995: 4 June 1995 to 22 September 199519381945195219591966197319811989JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Butka meeting 10 mm (0.39 in).
First to last qualifying date each year at Butka
YearFirst dateLast date
19381938-04-131938-09-30
19391939-06-081939-09-04
19401940-05-011940-10-04
19411941-04-121941-08-29
19421942-05-041942-09-28
19431943-05-011943-12-17
19441944-05-021944-10-09
19451945-05-091945-12-15
19461946-07-121946-10-01
19471947-03-301947-10-09
19481948-06-151948-07-29
19491949-05-311949-09-30
19501950-06-151950-09-17
19511951-05-191951-10-29
19521952-09-011952-10-29
19531953-05-311953-11-19
19541954-04-261954-09-05
19551955-06-051955-11-08
19561956-04-121956-10-28
19571957-06-091957-10-09
19581958-05-311958-12-08
19591959-04-231959-10-10
19601960-05-181960-10-24
19611961-01-181961-11-24
19621962-06-061962-10-22
19631963-05-181963-12-12
19641964-06-181964-09-03
19651965-04-091965-11-19
19661966-04-301966-10-30
19671967-05-141967-09-13
19681968-01-081968-11-14
19691969-03-121969-12-31
19701970-01-011970-11-13
19711971-01-111971-12-14
19721972-07-111972-09-21
19731973-06-251973-09-06
19741974-04-221974-09-05
19751975-02-121975-12-24
19761976-05-191976-09-10
19781978-01-031978-12-15
19791979-02-091979-10-28
19801980-04-051980-12-01
19811981-03-121981-09-25
19821982-06-041982-10-02
19831983-05-051983-09-11
19841984-05-021984-10-11
19851985-04-051985-08-19
19861986-06-171986-10-19
19881988-04-291988-11-16
19891989-05-211989-10-26
19901990-03-311990-11-07
19911991-05-131991-10-22
19921992-04-131992-09-01
19941994-06-221994-09-20
19951995-06-041995-09-22

Every Fixed Threshold

Fixed thresholds at Butka
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain551919704
25 mm (0.98 in): Days with 25 mm or more rain43419701
50 mm (1.97 in): Days with 50 mm or more rain3119391

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.

Download the Data

  • Data for Butka 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).