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Built 2026-10-19 (19 October 2026)

Cansan?Ao Threshold Days by Year (BR048113020)

4 fixed thresholds counted per year at Cansan?Ao (BR048113020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cansan?Ao Thresholds

  • Cansan?Ao: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1964 with 39.
  • Cansan?Ao: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1963 with 11.
  • Cansan?Ao: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1963 with 4.
  • Cansan?Ao: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1944 with 1.
  • 4 fixed thresholds have at least one qualifying day at Cansan?Ao.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Cansan?Ao Days per year at Cansan?Ao with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1964. 0102030401944: 191945: 181946: 41947: 151948: 161949: 91950: 71951: 51952: 61953: 101954: 61955: 101956: 101957: 231958: 101959: 51960: 281961: 101962: 141963: 171964: 391965: 81966: 221967: 191968: 191969: 271970: 141971: 61972: 111973: 121974: 291975: 141976: 51977: 61978: 101979: 61980: 61981: 131982: 71983: 81944194819521956196019641968197219761980
Days per year at Cansan?Ao with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1964.
Days with 10 mm (0.39 in) or more of precipitation per year at Cansan?Ao
YearDaysDecade average
19441913.5
19451813.5
1946413.5
19471513.5
19481613.5
1949913.5
195079.2
195159.2
195269.2
1953109.2
195469.2
1955109.2
1956109.2
1957239.2
1958109.2
195959.2
19602820.3
19611020.3
19621420.3
19631720.3
19643920.3
1965820.3
19662220.3
19671920.3
19681920.3
19692720.3
19701411.3
1971611.3
19721111.3
19731211.3
19742911.3
19751411.3
1976511.3
1977611.3
19781011.3
1979611.3
198068.5
1981138.5
198278.5
198388.5
First to last qualifying date each year at Cansan?Ao For each year, a bar from the first to the last day at Cansan?Ao meeting 10 mm (0.39 in). 1944: 20 January 1944 to 28 December 19441945: 9 January 1945 to 30 December 19451946: 14 February 1946 to 27 May 19461947: 21 January 1947 to 26 December 19471948: 16 January 1948 to 30 December 19481949: 12 April 1949 to 20 December 19491950: 27 February 1950 to 16 December 19501951: 2 March 1951 to 14 December 19511952: 12 May 1952 to 19 December 19521953: 4 January 1953 to 20 December 19531954: 28 February 1954 to 8 December 19541955: 18 January 1955 to 20 December 19551956: 3 April 1956 to 28 December 19561957: 11 January 1957 to 23 December 19571958: 29 January 1958 to 31 December 19581959: 21 July 1959 to 28 November 19591960: 2 January 1960 to 30 November 19601961: 18 January 1961 to 9 December 19611962: 4 January 1962 to 11 December 19621963: 10 January 1963 to 24 December 19631964: 6 January 1964 to 6 December 19641965: 19 January 1965 to 23 November 19651966: 5 January 1966 to 21 December 19661967: 19 February 1967 to 28 December 19671968: 27 January 1968 to 8 December 19681969: 19 January 1969 to 27 December 19691970: 13 January 1970 to 18 December 19701971: 10 February 1971 to 23 December 19711972: 19 January 1972 to 25 December 19721973: 21 February 1973 to 16 October 19731974: 20 January 1974 to 15 December 19741975: 20 January 1975 to 14 December 19751976: 12 February 1976 to 1 December 19761977: 17 January 1977 to 26 December 19771978: 10 January 1978 to 6 December 19781979: 7 January 1979 to 9 July 19791980: 3 February 1980 to 20 December 19801981: 19 January 1981 to 23 June 19811982: 2 January 1982 to 1 June 19821983: 22 January 1983 to 30 November 198319441949195419591964196919741979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cansan?Ao meeting 10 mm (0.39 in).
First to last qualifying date each year at Cansan?Ao
YearFirst dateLast date
19441944-01-201944-12-28
19451945-01-091945-12-30
19461946-02-141946-05-27
19471947-01-211947-12-26
19481948-01-161948-12-30
19491949-04-121949-12-20
19501950-02-271950-12-16
19511951-03-021951-12-14
19521952-05-121952-12-19
19531953-01-041953-12-20
19541954-02-281954-12-08
19551955-01-181955-12-20
19561956-04-031956-12-28
19571957-01-111957-12-23
19581958-01-291958-12-31
19591959-07-211959-11-28
19601960-01-021960-11-30
19611961-01-181961-12-09
19621962-01-041962-12-11
19631963-01-101963-12-24
19641964-01-061964-12-06
19651965-01-191965-11-23
19661966-01-051966-12-21
19671967-02-191967-12-28
19681968-01-271968-12-08
19691969-01-191969-12-27
19701970-01-131970-12-18
19711971-02-101971-12-23
19721972-01-191972-12-25
19731973-02-211973-10-16
19741974-01-201974-12-15
19751975-01-201975-12-14
19761976-02-121976-12-01
19771977-01-171977-12-26
19781978-01-101978-12-06
19791979-01-071979-07-09
19801980-02-031980-12-20
19811981-01-191981-06-23
19821982-01-021982-06-01
19831983-01-221983-11-30

Every Fixed Threshold

Fixed thresholds at Cansan?Ao
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain403919648
25 mm (0.98 in): Days with 25 mm or more rain371119633
50 mm (1.97 in): Days with 50 mm or more rain23419631
100 mm (3.94 in): Days with 100 mm or more rain3119441

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Cansan?Ao 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).