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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Mainoru Threshold Days by Year

4 fixed thresholds counted per year at Mainoru (ASN00014637): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mainoru Thresholds

  • Mainoru: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 2025 with 38.
  • Mainoru: days with 25 mm (0.98 in) or more of precipitation in 14 years, most in 1987 with 21.
  • Mainoru: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1998 with 5.
  • Mainoru: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1987 with 1.
  • 4 fixed thresholds have at least one qualifying day at Mainoru.
14 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mainoru Days per year at Mainoru with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 2025. 0102030401970: 221971: 261987: 321988: 181989: 181990: 141994: 221995: 291996: 261997: 251998: 301999: 282020: 242025: 381970198719891994199619982020
Days per year at Mainoru with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 2025.
Days with 10 mm (0.39 in) or more of precipitation per year at Mainoru
YearDaysDecade average
19702224
19712624
19873222.7
19881822.7
19891822.7
19901424.9
19942224.9
19952924.9
19962624.9
19972524.9
19983024.9
19992824.9
20202431
20253831
First to last qualifying date each year at Mainoru For each year, a bar from the first to the last day at Mainoru meeting 10 mm (0.39 in). 1970: 22 January 1970 to 24 December 19701971: 25 January 1971 to 17 December 19711987: 12 January 1987 to 19 December 19871988: 3 January 1988 to 10 December 19881989: 21 January 1989 to 14 December 19891990: 10 January 1990 to 13 December 19901994: 7 January 1994 to 20 December 19941995: 10 January 1995 to 31 December 19951996: 1 January 1996 to 31 December 19961997: 1 January 1997 to 31 December 19971998: 1 January 1998 to 30 December 19981999: 6 January 1999 to 27 December 19992020: 6 February 2020 to 31 December 20202025: 7 January 2025 to 31 December 20251970198719891994199619982020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mainoru meeting 10 mm (0.39 in).
First to last qualifying date each year at Mainoru
YearFirst dateLast date
19701970-01-221970-12-24
19711971-01-251971-12-17
19871987-01-121987-12-19
19881988-01-031988-12-10
19891989-01-211989-12-14
19901990-01-101990-12-13
19941994-01-071994-12-20
19951995-01-101995-12-31
19961996-01-011996-12-31
19971997-01-011997-12-31
19981998-01-011998-12-30
19991999-01-061999-12-27
20202020-02-062020-12-31
20252025-01-072025-12-31

Every Fixed Threshold

Fixed thresholds at Mainoru
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1438202538
25 mm (0.98 in): Days with 25 mm or more rain1421198719
50 mm (1.97 in): Days with 50 mm or more rain14519985
100 mm (3.94 in): Days with 100 mm or more rain3119871

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 Mainoru 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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