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Built 2026-10-17 (17 October 2026)

Upolu Point Uscg 159.2 Threshold Days by Year

10 fixed thresholds counted per year at Upolu Point Uscg 159.2 (USC00518830): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Upolu Point Uscg 159.2 Thresholds

  • Upolu Point Uscg 159.2: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1968 with 35.
  • Upolu Point Uscg 159.2: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1968 with 15.
  • Upolu Point Uscg 159.2: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1988 with 165.
  • Upolu Point Uscg 159.2: nights with a minimum temperature at or above 20 C (68 F) in 33 years, most in 1968 with 308.
  • 10 fixed thresholds have at least one qualifying day at Upolu Point Uscg 159.2.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Upolu Point Uscg 159.2 Days per year at Upolu Point Uscg 159.2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 165 in 1988. 0501001502001957: 381958: 241959: 111960: 801961: 721962: 1041963: 531964: 331965: 441966: 301967: 611968: 1271969: 181970: 131971: 41972: 371973: 471975: 51976: 341977: 751978: 701979: 851980: 921981: 1481982: 561983: 451984: 1531986: 1421987: 1391988: 1651989: 1031990: 1261991: 1291992: 106195719611965196919731978198219871991
Days per year at Upolu Point Uscg 159.2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 165 in 1988.
Days at or above 30 C (86 F) per year at Upolu Point Uscg 159.2
YearDaysDecade average
19573824.3
19582424.3
19591124.3
19608062.2
19617262.2
196210462.2
19635362.2
19643362.2
19654462.2
19663062.2
19676162.2
196812762.2
19691862.2
19701341.1
1971441.1
19723741.1
19734741.1
1975541.1
19763441.1
19777541.1
19787041.1
19798541.1
198092115.9
1981148115.9
198256115.9
198345115.9
1984153115.9
1986142115.9
1987139115.9
1988165115.9
1989103115.9
1990126120.3
1991129120.3
1992106120.3
First to last qualifying date each year at Upolu Point Uscg 159.2 For each year, a bar from the first to the last day at Upolu Point Uscg 159.2 meeting 30 C (86 F). 1957: 10 April 1957 to 4 November 19571958: 2 January 1958 to 10 October 19581959: 7 August 1959 to 11 October 19591960: 28 April 1960 to 26 December 19601961: 23 January 1961 to 31 December 19611962: 1 January 1962 to 27 December 19621963: 5 January 1963 to 14 December 19631964: 27 April 1964 to 23 November 19641965: 15 January 1965 to 21 October 19651966: 21 March 1966 to 24 December 19661967: 13 February 1967 to 25 December 19671968: 28 February 1968 to 13 December 19681969: 29 May 1969 to 30 December 19691970: 1 January 1970 to 28 November 19701971: 3 February 1971 to 25 September 19711972: 12 May 1972 to 25 December 19721973: 2 May 1973 to 8 November 19731975: 29 July 1975 to 30 September 19751976: 4 June 1976 to 3 November 19761977: 28 June 1977 to 14 December 19771978: 19 April 1978 to 1 November 19781979: 1 June 1979 to 22 December 19791980: 22 February 1980 to 5 December 19801981: 3 January 1981 to 24 December 19811982: 4 April 1982 to 23 November 19821983: 28 February 1983 to 23 November 19831984: 2 January 1984 to 15 December 19841986: 4 February 1986 to 11 November 19861987: 4 January 1987 to 13 December 19871988: 26 March 1988 to 20 December 19881989: 14 February 1989 to 14 November 19891990: 29 March 1990 to 23 November 19901991: 19 May 1991 to 11 December 19911992: 21 February 1992 to 27 October 19921957196219671972197819831989JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Upolu Point Uscg 159.2 meeting 30 C (86 F).
First to last qualifying date each year at Upolu Point Uscg 159.2
YearFirst dateLast date
19571957-04-101957-11-04
19581958-01-021958-10-10
19591959-08-071959-10-11
19601960-04-281960-12-26
19611961-01-231961-12-31
19621962-01-011962-12-27
19631963-01-051963-12-14
19641964-04-271964-11-23
19651965-01-151965-10-21
19661966-03-211966-12-24
19671967-02-131967-12-25
19681968-02-281968-12-13
19691969-05-291969-12-30
19701970-01-011970-11-28
19711971-02-031971-09-25
19721972-05-121972-12-25
19731973-05-021973-11-08
19751975-07-291975-09-30
19761976-06-041976-11-03
19771977-06-281977-12-14
19781978-04-191978-11-01
19791979-06-011979-12-22
19801980-02-221980-12-05
19811981-01-031981-12-24
19821982-04-041982-11-23
19831983-02-281983-11-23
19841984-01-021984-12-15
19861986-02-041986-11-11
19871987-01-041987-12-13
19881988-03-261988-12-20
19891989-02-141989-11-14
19901990-03-291990-11-23
19911991-05-191991-12-11
19921992-02-211992-10-27

Every Fixed Threshold

Fixed thresholds at Upolu Point Uscg 159.2
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days341651988106
35 C (95 F): Days1119611
90 F (32.2 C): Days204819844
20 C (68 F): Tropical nights (min333081968239
25 C (77 F): Days with min171219771
10 mm (0.39 in): Days with 10 mm or more rain3535196818
25 mm (0.98 in): Days with 25 mm or more rain351519684
50 mm (1.97 in): Days with 50 mm or more rain26619902
100 mm (3.94 in): Days with 100 mm or more rain7119581
200 mm (7.87 in): Days with 200 mm or more rain1119831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Upolu Point Uscg 159.2 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).