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

St Thomas Wpcp Threshold Days by Year (CA006137362)

12 fixed thresholds counted per year at St Thomas Wpcp (CA006137362): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Thomas Wpcp Thresholds

  • St Thomas Wpcp: days with a maximum temperature at or above 30 C (86 F) in 3 years, most in 1983 with 20.
  • St Thomas Wpcp: days with a maximum temperature at or below 0 C (32 F) in 3 years, most in 1982 with 61.
  • St Thomas Wpcp: nights with a minimum temperature at or below 0 C (32 F) in 3 years, most in 1981 with 150.
  • St Thomas Wpcp: nights with a minimum temperature at or below -10 C (14 F) in 3 years, most in 1982 with 48.
  • 12 fixed thresholds have at least one qualifying day at St Thomas Wpcp.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at St Thomas Wpcp Days per year at St Thomas Wpcp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 1983. 051015201981: 51982: 31983: 20198119821983
Days per year at St Thomas Wpcp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 1983.
Days at or above 30 C (86 F) per year at St Thomas Wpcp
YearDaysDecade average
198159.3
198239.3
1983209.3
First to last qualifying date each year at St Thomas Wpcp For each year, a bar from the first to the last day at St Thomas Wpcp meeting 30 C (86 F). 1981: 6 July 1981 to 13 July 19811982: 7 July 1982 to 25 July 19821983: 12 June 1983 to 10 September 1983198119821983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at St Thomas Wpcp meeting 30 C (86 F).
First to last qualifying date each year at St Thomas Wpcp
YearFirst dateLast date
19811981-07-061981-07-13
19821982-07-071982-07-25
19831983-06-121983-09-10

Every Fixed Threshold

Fixed thresholds at St Thomas Wpcp
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days320198320
90 F (32.2 C): Days1319833
0 C (32 F): Ice days (max361198248
0 C (32 F): Frost days (min31501981136
-10 C (14 F): Days with min348198230
-20 C (-4 F): Days with min31419822
20 C (68 F): Tropical nights (min315198315
10 mm (0.39 in): Days with 10 mm or more rain346198238
25 mm (0.98 in): Days with 25 mm or more rain310198310
50 mm (1.97 in): Days with 50 mm or more rain3219812
10 cm (3.9 in): Days with 10 cm or more snowfall2419824
25 cm (9.8 in): Days with 25 cm or more snowfall1119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for St Thomas Wpcp 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).