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Built 2026-10-19 (19 October 2026)

Minami Tori Shima Ma Threshold Days by Year (JA000047991)

10 fixed thresholds counted per year at Minami Tori Shima Ma (JA000047991): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Minami Tori Shima Ma Thresholds

  • Minami Tori Shima Ma: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1984 with 49.
  • Minami Tori Shima Ma: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1988 with 20.
  • Minami Tori Shima Ma: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1985 with 9.
  • Minami Tori Shima Ma: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1983 with 171.
  • 10 fixed thresholds have at least one qualifying day at Minami Tori Shima Ma.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Minami Tori Shima Ma Days per year at Minami Tori Shima Ma with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 1983. 0501001502001970: 941971: 781972: 551973: 1531974: 1001975: 1101976: 1051977: 651978: 631979: 1001980: 1271981: 1491982: 1601983: 1711984: 1241985: 1271986: 1161987: 1131988: 1301989: 1121990: 1331991: 1701992: 941993: 1231994: 1361995: 1601996: 1412005: 1612008: 1422010: 1022012: 10519701974197819821986199019942008
Days per year at Minami Tori Shima Ma with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 1983.
Days at or above 30 C (86 F) per year at Minami Tori Shima Ma
YearDaysDecade average
19709492.3
19717892.3
19725592.3
197315392.3
197410092.3
197511092.3
197610592.3
19776592.3
19786392.3
197910092.3
1980127132.9
1981149132.9
1982160132.9
1983171132.9
1984124132.9
1985127132.9
1986116132.9
1987113132.9
1988130132.9
1989112132.9
1990133136.7
1991170136.7
199294136.7
1993123136.7
1994136136.7
1995160136.7
1996141136.7
2005161151.5
2008142151.5
2010102103.5
2012105103.5
First to last qualifying date each year at Minami Tori Shima Ma For each year, a bar from the first to the last day at Minami Tori Shima Ma meeting 30 C (86 F). 1970: 2 June 1970 to 7 October 19701971: 20 May 1971 to 2 November 19711972: 21 June 1972 to 18 October 19721973: 5 May 1973 to 4 November 19731974: 25 May 1974 to 6 November 19741975: 14 May 1975 to 21 October 19751976: 5 May 1976 to 26 October 19761977: 8 May 1977 to 22 October 19771978: 6 June 1978 to 22 October 19781979: 20 May 1979 to 14 November 19791980: 19 April 1980 to 19 November 19801981: 8 April 1981 to 11 November 19811982: 12 May 1982 to 12 November 19821983: 10 May 1983 to 8 November 19831984: 16 May 1984 to 4 November 19841985: 16 May 1985 to 28 October 19851986: 9 June 1986 to 12 November 19861987: 8 May 1987 to 16 November 19871988: 6 May 1988 to 20 November 19881989: 18 May 1989 to 28 October 19891990: 6 May 1990 to 15 November 19901991: 11 April 1991 to 19 November 19911992: 3 May 1992 to 15 November 19921993: 6 May 1993 to 27 November 19931994: 7 May 1994 to 4 November 19941995: 16 May 1995 to 25 November 19951996: 29 February 1996 to 28 October 19962005: 13 April 2005 to 17 November 20052008: 15 April 2008 to 21 November 20082010: 6 May 2010 to 27 November 20102012: 11 May 2012 to 21 October 201219701974197819821986199019942008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Minami Tori Shima Ma meeting 30 C (86 F).
First to last qualifying date each year at Minami Tori Shima Ma
YearFirst dateLast date
19701970-06-021970-10-07
19711971-05-201971-11-02
19721972-06-211972-10-18
19731973-05-051973-11-04
19741974-05-251974-11-06
19751975-05-141975-10-21
19761976-05-051976-10-26
19771977-05-081977-10-22
19781978-06-061978-10-22
19791979-05-201979-11-14
19801980-04-191980-11-19
19811981-04-081981-11-11
19821982-05-121982-11-12
19831983-05-101983-11-08
19841984-05-161984-11-04
19851985-05-161985-10-28
19861986-06-091986-11-12
19871987-05-081987-11-16
19881988-05-061988-11-20
19891989-05-181989-10-28
19901990-05-061990-11-15
19911991-04-111991-11-19
19921992-05-031992-11-15
19931993-05-061993-11-27
19941994-05-071994-11-04
19951995-05-161995-11-25
19961996-02-291996-10-28
20052005-04-132005-11-17
20082008-04-152008-11-21
20102010-05-062010-11-27
20122012-05-112012-10-21

Every Fixed Threshold

Fixed thresholds at Minami Tori Shima Ma
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days311711983105
35 C (95 F): Days1319913
90 F (32.2 C): Days267619954
20 C (68 F): Tropical nights (min243411988118
25 C (77 F): Days with min24154199150
10 mm (0.39 in): Days with 10 mm or more rain3949198418
25 mm (0.98 in): Days with 25 mm or more rain3920198811
50 mm (1.97 in): Days with 50 mm or more rain37919852
100 mm (3.94 in): Days with 100 mm or more rain21319761
200 mm (7.87 in): Days with 200 mm or more rain2119771

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Minami Tori Shima Ma 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).