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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Alexis 1 SW Threshold Days by Year (USC00110082)

4 fixed thresholds counted per year at Alexis 1 SW (USC00110082): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alexis 1 SW Thresholds

  • Alexis 1 SW: days with 10 mm (0.39 in) or more of precipitation in 15 years, most in 2019 with 42.
  • Alexis 1 SW: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 2016 with 14.
  • Alexis 1 SW: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 2013 with 4.
  • Alexis 1 SW: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1950 with 1.
  • 4 fixed thresholds have at least one qualifying day at Alexis 1 SW.
15 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Alexis 1 SW Days per year at Alexis 1 SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 2019. 02040601949: 211950: 242013: 262014: 272015: 322016: 312017: 252018: 282019: 422020: 292021: 342022: 322023: 302024: 352025: 2219492013201520172019202120232025
Days per year at Alexis 1 SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 2019.
Days with 10 mm (0.39 in) or more of precipitation per year at Alexis 1 SW
YearDaysDecade average
19492121
19502424
20132630.1
20142730.1
20153230.1
20163130.1
20172530.1
20182830.1
20194230.1
20202930.3
20213430.3
20223230.3
20233030.3
20243530.3
20252230.3
First to last qualifying date each year at Alexis 1 SW For each year, a bar from the first to the last day at Alexis 1 SW meeting 10 mm (0.39 in). 1949: 18 January 1949 to 20 December 19491950: 13 January 1950 to 21 September 19502013: 11 January 2013 to 31 October 20132014: 11 January 2014 to 24 November 20142015: 1 February 2015 to 29 December 20152016: 3 February 2016 to 26 December 20162017: 17 January 2017 to 22 October 20172018: 20 February 2018 to 1 December 20182019: 1 January 2019 to 28 December 20192020: 11 January 2020 to 30 December 20202021: 31 January 2021 to 29 December 20212022: 17 February 2022 to 14 December 20222023: 3 January 2023 to 9 December 20232024: 13 January 2024 to 31 December 20242025: 31 January 2025 to 29 December 202519492013201520172019202120232025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alexis 1 SW meeting 10 mm (0.39 in).
First to last qualifying date each year at Alexis 1 SW
YearFirst dateLast date
19491949-01-181949-12-20
19501950-01-131950-09-21
20132013-01-112013-10-31
20142014-01-112014-11-24
20152015-02-012015-12-29
20162016-02-032016-12-26
20172017-01-172017-10-22
20182018-02-202018-12-01
20192019-01-012019-12-28
20202020-01-112020-12-30
20212021-01-312021-12-29
20222022-02-172022-12-14
20232023-01-032023-12-09
20242024-01-132024-12-31
20252025-01-312025-12-29

Every Fixed Threshold

Fixed thresholds at Alexis 1 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1542201922
25 mm (0.98 in): Days with 25 mm or more rain1514201610
50 mm (1.97 in): Days with 50 mm or more rain12420133
100 mm (3.94 in): Days with 100 mm or more rain2119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Alexis 1 SW 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).