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

Itaperuna Threshold Days by Year (BR002141004)

4 fixed thresholds counted per year at Itaperuna (BR002141004): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Itaperuna Thresholds

  • Itaperuna: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1965 with 55.
  • Itaperuna: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1964 with 24.
  • Itaperuna: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1964 with 7.
  • Itaperuna: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1969 with 2.
  • 4 fixed thresholds have at least one qualifying day at Itaperuna.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Itaperuna Days per year at Itaperuna with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 1965. 02040601943: 391944: 331945: 421946: 391947: 471948: 341949: 421950: 291951: 381952: 481953: 281954: 211955: 341956: 281957: 461958: 321959: 241960: 401964: 491965: 551966: 441967: 391968: 281969: 341971: 401972: 421974: 381975: 471976: 421977: 341943194619491952195519581964196719711975
Days per year at Itaperuna with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 1965.
Days with 10 mm (0.39 in) or more of precipitation per year at Itaperuna
YearDaysDecade average
19433939.4
19443339.4
19454239.4
19463939.4
19474739.4
19483439.4
19494239.4
19502932.8
19513832.8
19524832.8
19532832.8
19542132.8
19553432.8
19562832.8
19574632.8
19583232.8
19592432.8
19604041.3
19644941.3
19655541.3
19664441.3
19673941.3
19682841.3
19693441.3
19714040.5
19724240.5
19743840.5
19754740.5
19764240.5
19773440.5
First to last qualifying date each year at Itaperuna For each year, a bar from the first to the last day at Itaperuna meeting 10 mm (0.39 in). 1943: 5 January 1943 to 24 December 19431944: 18 January 1944 to 26 December 19441945: 3 January 1945 to 30 December 19451946: 2 January 1946 to 30 December 19461947: 5 January 1947 to 31 December 19471948: 12 January 1948 to 27 December 19481949: 1 January 1949 to 31 December 19491950: 12 January 1950 to 19 December 19501951: 8 January 1951 to 31 December 19511952: 2 January 1952 to 23 December 19521953: 4 January 1953 to 19 December 19531954: 5 January 1954 to 30 December 19541955: 15 January 1955 to 27 December 19551956: 17 February 1956 to 28 December 19561957: 11 January 1957 to 18 December 19571958: 19 January 1958 to 30 December 19581959: 9 January 1959 to 24 December 19591960: 23 January 1960 to 30 December 19601964: 4 January 1964 to 30 December 19641965: 3 January 1965 to 31 December 19651966: 2 January 1966 to 28 December 19661967: 6 January 1967 to 27 December 19671968: 4 January 1968 to 19 December 19681969: 13 January 1969 to 26 December 19691971: 10 January 1971 to 25 December 19711972: 10 January 1972 to 27 December 19721974: 1 January 1974 to 27 December 19741975: 1 January 1975 to 27 December 19751976: 27 January 1976 to 29 December 19761977: 15 January 1977 to 23 December 197719431947195119551959196619711976JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Itaperuna meeting 10 mm (0.39 in).
First to last qualifying date each year at Itaperuna
YearFirst dateLast date
19431943-01-051943-12-24
19441944-01-181944-12-26
19451945-01-031945-12-30
19461946-01-021946-12-30
19471947-01-051947-12-31
19481948-01-121948-12-27
19491949-01-011949-12-31
19501950-01-121950-12-19
19511951-01-081951-12-31
19521952-01-021952-12-23
19531953-01-041953-12-19
19541954-01-051954-12-30
19551955-01-151955-12-27
19561956-02-171956-12-28
19571957-01-111957-12-18
19581958-01-191958-12-30
19591959-01-091959-12-24
19601960-01-231960-12-30
19641964-01-041964-12-30
19651965-01-031965-12-31
19661966-01-021966-12-28
19671967-01-061967-12-27
19681968-01-041968-12-19
19691969-01-131969-12-26
19711971-01-101971-12-25
19721972-01-101972-12-27
19741974-01-011974-12-27
19751975-01-011975-12-27
19761976-01-271976-12-29
19771977-01-151977-12-23

Every Fixed Threshold

Fixed thresholds at Itaperuna
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3055196534
25 mm (0.98 in): Days with 25 mm or more rain302419649
50 mm (1.97 in): Days with 50 mm or more rain30719643
100 mm (3.94 in): Days with 100 mm or more rain3219692

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

  • Data for Itaperuna 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).