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Built 2026-10-19 (19 October 2026)

Planet Downs Threshold Days by Year (ASN00035055)

4 fixed thresholds counted per year at Planet Downs (ASN00035055): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Planet Downs Thresholds

  • Planet Downs: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1950 with 36.
  • Planet Downs: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1949 with 16.
  • Planet Downs: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1962 with 6.
  • Planet Downs: days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 1975 with 3.
  • 4 fixed thresholds have at least one qualifying day at Planet Downs.
42 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Planet Downs Days per year at Planet Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1950. 0102030401935: 151936: 181937: 181938: 291939: 241940: 221941: 211942: 271943: 261944: 141945: 271946: 121947: 241948: 141949: 231950: 361951: 111952: 191953: 221954: 241955: 281956: 331957: 111958: 211959: 181960: 191961: 231962: 231963: 151964: 161965: 191966: 141967: 141968: 151969: 121970: 141971: 211972: 141973: 181974: 161975: 181976: 15193519401945195019551960196519701975
Days per year at Planet Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Planet Downs
YearDaysDecade average
19351520.8
19361820.8
19371820.8
19382920.8
19392420.8
19402221
19412121
19422721
19432621
19441421
19452721
19461221
19472421
19481421
19492321
19503622.3
19511122.3
19521922.3
19532222.3
19542422.3
19552822.3
19563322.3
19571122.3
19582122.3
19591822.3
19601917
19612317
19622317
19631517
19641617
19651917
19661417
19671417
19681517
19691217
19701416.6
19712116.6
19721416.6
19731816.6
19741616.6
19751816.6
19761516.6
First to last qualifying date each year at Planet Downs For each year, a bar from the first to the last day at Planet Downs meeting 10 mm (0.39 in). 1935: 1 July 1935 to 15 December 19351936: 7 January 1936 to 31 December 19361937: 13 January 1937 to 16 December 19371938: 30 January 1938 to 2 December 19381939: 1 January 1939 to 28 December 19391940: 2 February 1940 to 22 December 19401941: 5 January 1941 to 3 December 19411942: 3 January 1942 to 31 December 19421943: 5 February 1943 to 30 December 19431944: 8 February 1944 to 22 December 19441945: 6 January 1945 to 19 December 19451946: 21 January 1946 to 13 December 19461947: 14 January 1947 to 11 December 19471948: 6 January 1948 to 31 December 19481949: 9 January 1949 to 17 December 19491950: 18 January 1950 to 6 December 19501951: 10 January 1951 to 24 December 19511952: 23 February 1952 to 22 December 19521953: 2 January 1953 to 28 December 19531954: 3 January 1954 to 5 December 19541955: 9 January 1955 to 25 December 19551956: 20 January 1956 to 26 December 19561957: 9 January 1957 to 14 November 19571958: 28 January 1958 to 28 December 19581959: 3 January 1959 to 22 December 19591960: 7 January 1960 to 27 December 19601961: 4 January 1961 to 14 December 19611962: 6 January 1962 to 31 December 19621963: 8 January 1963 to 17 December 19631964: 15 January 1964 to 26 December 19641965: 8 January 1965 to 15 December 19651966: 25 January 1966 to 5 December 19661967: 1 February 1967 to 23 December 19671968: 5 January 1968 to 19 July 19681969: 1 January 1969 to 24 December 19691970: 13 January 1970 to 30 November 19701971: 1 January 1971 to 28 December 19711972: 15 January 1972 to 31 December 19721973: 15 January 1973 to 26 December 19731974: 7 January 1974 to 16 November 19741975: 2 January 1975 to 24 December 19751976: 14 January 1976 to 26 November 19761935194119471953195919651971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Planet Downs meeting 10 mm (0.39 in).
First to last qualifying date each year at Planet Downs
YearFirst dateLast date
19351935-07-011935-12-15
19361936-01-071936-12-31
19371937-01-131937-12-16
19381938-01-301938-12-02
19391939-01-011939-12-28
19401940-02-021940-12-22
19411941-01-051941-12-03
19421942-01-031942-12-31
19431943-02-051943-12-30
19441944-02-081944-12-22
19451945-01-061945-12-19
19461946-01-211946-12-13
19471947-01-141947-12-11
19481948-01-061948-12-31
19491949-01-091949-12-17
19501950-01-181950-12-06
19511951-01-101951-12-24
19521952-02-231952-12-22
19531953-01-021953-12-28
19541954-01-031954-12-05
19551955-01-091955-12-25
19561956-01-201956-12-26
19571957-01-091957-11-14
19581958-01-281958-12-28
19591959-01-031959-12-22
19601960-01-071960-12-27
19611961-01-041961-12-14
19621962-01-061962-12-31
19631963-01-081963-12-17
19641964-01-151964-12-26
19651965-01-081965-12-15
19661966-01-251966-12-05
19671967-02-011967-12-23
19681968-01-051968-07-19
19691969-01-011969-12-24
19701970-01-131970-11-30
19711971-01-011971-12-28
19721972-01-151972-12-31
19731973-01-151973-12-26
19741974-01-071974-11-16
19751975-01-021975-12-24
19761976-01-141976-11-26

Every Fixed Threshold

Fixed thresholds at Planet Downs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4236195015
25 mm (0.98 in): Days with 25 mm or more rain4216194910
50 mm (1.97 in): Days with 50 mm or more rain37619621
100 mm (3.94 in): Days with 100 mm or more rain12319753

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.

Download the Data

  • Data for Planet Downs 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).