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Built 2026-10-19 (19 October 2026)

Serra Grande (Ibitirucu) Threshold Days by Year (BR038435370)

4 fixed thresholds counted per year at Serra Grande (Ibitirucu) (BR038435370): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Serra Grande (Ibitirucu) Thresholds

  • Serra Grande (Ibitirucu): days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1947 with 46.
  • Serra Grande (Ibitirucu): days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1977 with 30.
  • Serra Grande (Ibitirucu): days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1975 with 10.
  • Serra Grande (Ibitirucu): days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 1940 with 2.
  • 4 fixed thresholds have at least one qualifying day at Serra Grande (Ibitirucu).
41 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Serra Grande (Ibitirucu) Days per year at Serra Grande (Ibitirucu) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1947. 02040601935: 431937: 251938: 241939: 231940: 351941: 271942: 121943: 231944: 211945: 291946: 251947: 461948: 251949: 331950: 301951: 191952: 261953: 171954: 291955: 241956: 351957: 311958: 171959: 331960: 281961: 291962: 231963: 321964: 31965: 81966: 31967: 41968: 31969: 121970: 111971: 101975: 201977: 401978: 241980: 141983: 13193519411946195119561961196619711983
Days per year at Serra Grande (Ibitirucu) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1947.
Days with 10 mm (0.39 in) or more of precipitation per year at Serra Grande (Ibitirucu)
YearDaysDecade average
19354328.8
19372528.8
19382428.8
19392328.8
19403527.6
19412727.6
19421227.6
19432327.6
19442127.6
19452927.6
19462527.6
19474627.6
19482527.6
19493327.6
19503026.1
19511926.1
19522626.1
19531726.1
19542926.1
19552426.1
19563526.1
19573126.1
19581726.1
19593326.1
19602814.5
19612914.5
19622314.5
19633214.5
1964314.5
1965814.5
1966314.5
1967414.5
1968314.5
19691214.5
19701121
19711021
19752021
19774021
19782421
19801413.5
19831313.5
First to last qualifying date each year at Serra Grande (Ibitirucu) For each year, a bar from the first to the last day at Serra Grande (Ibitirucu) meeting 10 mm (0.39 in). 1935: 2 January 1935 to 5 July 19351937: 29 January 1937 to 10 September 19371938: 6 January 1938 to 12 June 19381939: 1 February 1939 to 8 December 19391940: 4 January 1940 to 20 December 19401941: 8 January 1941 to 12 November 19411942: 7 February 1942 to 30 December 19421943: 26 January 1943 to 23 December 19431944: 14 January 1944 to 24 December 19441945: 9 January 1945 to 11 December 19451946: 3 January 1946 to 12 December 19461947: 22 January 1947 to 14 December 19471948: 21 January 1948 to 21 December 19481949: 3 February 1949 to 29 November 19491950: 15 January 1950 to 5 October 19501951: 9 January 1951 to 31 December 19511952: 8 January 1952 to 16 December 19521953: 17 January 1953 to 18 December 19531954: 25 January 1954 to 27 November 19541955: 20 January 1955 to 6 December 19551956: 8 February 1956 to 26 December 19561957: 10 January 1957 to 21 December 19571958: 16 January 1958 to 13 December 19581959: 20 January 1959 to 23 November 19591960: 5 January 1960 to 10 November 19601961: 17 January 1961 to 14 December 19611962: 28 January 1962 to 27 November 19621963: 10 January 1963 to 12 December 19631964: 4 January 1964 to 14 February 19641965: 8 January 1965 to 3 June 19651966: 26 February 1966 to 23 June 19661967: 5 February 1967 to 26 April 19671968: 7 March 1968 to 18 March 19681969: 22 January 1969 to 19 December 19691970: 11 January 1970 to 7 October 19701971: 10 January 1971 to 27 April 19711975: 20 January 1975 to 24 April 19751977: 12 January 1977 to 23 December 19771978: 8 January 1978 to 18 May 19781980: 10 February 1980 to 18 June 19801983: 22 January 1983 to 5 April 19831935194219481954196019661975JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Serra Grande (Ibitirucu) meeting 10 mm (0.39 in).
First to last qualifying date each year at Serra Grande (Ibitirucu)
YearFirst dateLast date
19351935-01-021935-07-05
19371937-01-291937-09-10
19381938-01-061938-06-12
19391939-02-011939-12-08
19401940-01-041940-12-20
19411941-01-081941-11-12
19421942-02-071942-12-30
19431943-01-261943-12-23
19441944-01-141944-12-24
19451945-01-091945-12-11
19461946-01-031946-12-12
19471947-01-221947-12-14
19481948-01-211948-12-21
19491949-02-031949-11-29
19501950-01-151950-10-05
19511951-01-091951-12-31
19521952-01-081952-12-16
19531953-01-171953-12-18
19541954-01-251954-11-27
19551955-01-201955-12-06
19561956-02-081956-12-26
19571957-01-101957-12-21
19581958-01-161958-12-13
19591959-01-201959-11-23
19601960-01-051960-11-10
19611961-01-171961-12-14
19621962-01-281962-11-27
19631963-01-101963-12-12
19641964-01-041964-02-14
19651965-01-081965-06-03
19661966-02-261966-06-23
19671967-02-051967-04-26
19681968-03-071968-03-18
19691969-01-221969-12-19
19701970-01-111970-10-07
19711971-01-101971-04-27
19751975-01-201975-04-24
19771977-01-121977-12-23
19781978-01-081978-05-18
19801980-02-101980-06-18
19831983-01-221983-04-05

Every Fixed Threshold

Fixed thresholds at Serra Grande (Ibitirucu)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4146194713
25 mm (0.98 in): Days with 25 mm or more rain4130197710
50 mm (1.97 in): Days with 50 mm or more rain391019754
100 mm (3.94 in): Days with 100 mm or more rain12219401

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 Serra Grande (Ibitirucu) 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).