Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

Sitio Arapua Threshold Days by Year (BR038421850)

4 fixed thresholds counted per year at Sitio Arapua (BR038421850): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sitio Arapua Thresholds

  • Sitio Arapua: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1974 with 46.
  • Sitio Arapua: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1974 with 25.
  • Sitio Arapua: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 1935 with 7.
  • Sitio Arapua: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1976 with 3.
  • 4 fixed thresholds have at least one qualifying day at Sitio Arapua.
48 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sitio Arapua Days per year at Sitio Arapua with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1974. 02040601935: 321936: 171937: 241938: 221939: 291940: 351941: 191942: 161943: 161944: 241945: 321946: 271947: 321948: 241949: 281950: 271951: 171952: 261953: 161954: 301955: 271956: 331957: 251958: 131959: 231960: 221961: 271962: 251963: 351965: 331966: 181967: 341968: 301969: 221970: 151971: 291972: 311973: 251974: 461975: 331976: 251977: 261978: 201979: 191980: 221981: 161982: 81983: 71935194019451950195519601966197119761981
Days per year at Sitio Arapua with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Sitio Arapua
YearDaysDecade average
19353224.8
19361724.8
19372424.8
19382224.8
19392924.8
19403525.3
19411925.3
19421625.3
19431625.3
19442425.3
19453225.3
19462725.3
19473225.3
19482425.3
19492825.3
19502723.7
19511723.7
19522623.7
19531623.7
19543023.7
19552723.7
19563323.7
19572523.7
19581323.7
19592323.7
19602227.3
19612727.3
19622527.3
19633527.3
19653327.3
19661827.3
19673427.3
19683027.3
19692227.3
19701526.9
19712926.9
19723126.9
19732526.9
19744626.9
19753326.9
19762526.9
19772626.9
19782026.9
19791926.9
19802213.3
19811613.3
1982813.3
1983713.3
First to last qualifying date each year at Sitio Arapua For each year, a bar from the first to the last day at Sitio Arapua meeting 10 mm (0.39 in). 1935: 21 January 1935 to 1 June 19351936: 28 January 1936 to 22 June 19361937: 29 January 1937 to 13 June 19371938: 6 January 1938 to 12 June 19381939: 7 January 1939 to 28 December 19391940: 3 January 1940 to 19 December 19401941: 10 February 1941 to 5 December 19411942: 5 February 1942 to 15 December 19421943: 25 January 1943 to 26 November 19431944: 15 January 1944 to 25 December 19441945: 13 January 1945 to 4 December 19451946: 3 January 1946 to 22 December 19461947: 19 January 1947 to 13 December 19471948: 14 January 1948 to 22 December 19481949: 1 February 1949 to 28 November 19491950: 13 January 1950 to 27 December 19501951: 9 January 1951 to 14 December 19511952: 9 January 1952 to 15 December 19521953: 2 January 1953 to 26 November 19531954: 20 January 1954 to 17 December 19541955: 2 January 1955 to 9 December 19551956: 2 February 1956 to 26 December 19561957: 8 January 1957 to 6 December 19571958: 14 January 1958 to 5 December 19581959: 4 January 1959 to 23 November 19591960: 5 January 1960 to 6 October 19601961: 16 January 1961 to 18 July 19611962: 27 January 1962 to 17 December 19621963: 14 January 1963 to 31 December 19631965: 9 January 1965 to 5 October 19651966: 29 January 1966 to 27 December 19661967: 5 January 1967 to 29 December 19671968: 8 January 1968 to 27 December 19681969: 18 January 1969 to 28 December 19691970: 19 January 1970 to 18 October 19701971: 11 January 1971 to 1 June 19711972: 6 January 1972 to 31 December 19721973: 4 January 1973 to 29 December 19731974: 15 January 1974 to 25 April 19741975: 19 January 1975 to 6 December 19751976: 19 January 1976 to 26 September 19761977: 14 January 1977 to 17 December 19771978: 8 January 1978 to 15 June 19781979: 15 January 1979 to 12 May 19791980: 5 January 1980 to 27 December 19801981: 6 January 1981 to 20 December 19811982: 7 January 1982 to 16 April 19821983: 26 January 1983 to 7 April 198319351941194719531959196619721978JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sitio Arapua meeting 10 mm (0.39 in).
First to last qualifying date each year at Sitio Arapua
YearFirst dateLast date
19351935-01-211935-06-01
19361936-01-281936-06-22
19371937-01-291937-06-13
19381938-01-061938-06-12
19391939-01-071939-12-28
19401940-01-031940-12-19
19411941-02-101941-12-05
19421942-02-051942-12-15
19431943-01-251943-11-26
19441944-01-151944-12-25
19451945-01-131945-12-04
19461946-01-031946-12-22
19471947-01-191947-12-13
19481948-01-141948-12-22
19491949-02-011949-11-28
19501950-01-131950-12-27
19511951-01-091951-12-14
19521952-01-091952-12-15
19531953-01-021953-11-26
19541954-01-201954-12-17
19551955-01-021955-12-09
19561956-02-021956-12-26
19571957-01-081957-12-06
19581958-01-141958-12-05
19591959-01-041959-11-23
19601960-01-051960-10-06
19611961-01-161961-07-18
19621962-01-271962-12-17
19631963-01-141963-12-31
19651965-01-091965-10-05
19661966-01-291966-12-27
19671967-01-051967-12-29
19681968-01-081968-12-27
19691969-01-181969-12-28
19701970-01-191970-10-18
19711971-01-111971-06-01
19721972-01-061972-12-31
19731973-01-041973-12-29
19741974-01-151974-04-25
19751975-01-191975-12-06
19761976-01-191976-09-26
19771977-01-141977-12-17
19781978-01-081978-06-15
19791979-01-151979-05-12
19801980-01-051980-12-27
19811981-01-061981-12-20
19821982-01-071982-04-16
19831983-01-261983-04-07

Every Fixed Threshold

Fixed thresholds at Sitio Arapua
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain484619747
25 mm (0.98 in): Days with 25 mm or more rain482519743
50 mm (1.97 in): Days with 50 mm or more rain45719354
100 mm (3.94 in): Days with 100 mm or more rain11319761

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 Sitio Arapua 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).