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

Mount Sanford Threshold Days by Year

4 fixed thresholds counted per year at Mount Sanford (ASN00014865): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mount Sanford Thresholds

  • Mount Sanford: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 2000 with 38.
  • Mount Sanford: days with 25 mm (0.98 in) or more of precipitation in 14 years, most in 2000 with 15.
  • Mount Sanford: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 2001 with 6.
  • Mount Sanford: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 2000 with 1.
  • 4 fixed thresholds have at least one qualifying day at Mount Sanford.
14 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Sanford Days per year at Mount Sanford with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 2000. 0102030401986: 171987: 281988: 191997: 301998: 232000: 382001: 272002: 162016: 202018: 82020: 222021: 182023: 192025: 211986198819982001201620202023
Days per year at Mount Sanford with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 2000.
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Sanford
YearDaysDecade average
19861721.3
19872821.3
19881921.3
19973026.5
19982326.5
20003827
20012727
20021627
20162014
2018814
20202220
20211820
20231920
20252120
First to last qualifying date each year at Mount Sanford For each year, a bar from the first to the last day at Mount Sanford meeting 10 mm (0.39 in). 1986: 2 January 1986 to 3 December 19861987: 4 January 1987 to 24 December 19871988: 3 January 1988 to 31 December 19881997: 6 January 1997 to 21 December 19971998: 11 January 1998 to 27 December 19982000: 2 January 2000 to 25 December 20002001: 15 January 2001 to 30 December 20012002: 11 January 2002 to 25 December 20022016: 15 January 2016 to 31 December 20162018: 3 January 2018 to 16 December 20182020: 4 January 2020 to 29 December 20202021: 22 January 2021 to 25 December 20212023: 10 January 2023 to 16 December 20232025: 16 January 2025 to 26 December 20251986198819982001201620202023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mount Sanford meeting 10 mm (0.39 in).
First to last qualifying date each year at Mount Sanford
YearFirst dateLast date
19861986-01-021986-12-03
19871987-01-041987-12-24
19881988-01-031988-12-31
19971997-01-061997-12-21
19981998-01-111998-12-27
20002000-01-022000-12-25
20012001-01-152001-12-30
20022002-01-112002-12-25
20162016-01-152016-12-31
20182018-01-032018-12-16
20202020-01-042020-12-29
20212021-01-222021-12-25
20232023-01-102023-12-16
20252025-01-162025-12-26

Every Fixed Threshold

Fixed thresholds at Mount Sanford
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1438200021
25 mm (0.98 in): Days with 25 mm or more rain1415200011
50 mm (1.97 in): Days with 50 mm or more rain13620013
100 mm (3.94 in): Days with 100 mm or more rain4120001

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1986.

Download the Data

  • Data for Mount Sanford 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).