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

Breakwater Threshold Days by Year (USC00471039)

14 fixed thresholds counted per year at Breakwater (USC00471039): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Breakwater Thresholds

  • Breakwater: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1985 with 36.
  • Breakwater: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1965 with 11.
  • Breakwater: days with 10 cm (3.9 in) or more of snowfall in 56 years, most in 1929 with 9.
  • Breakwater: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1932 with 2.
  • 14 fixed thresholds have at least one qualifying day at Breakwater.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Breakwater Days per year at Breakwater with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 1995. 051015201993: 21994: 51995: 17199319941995
Days per year at Breakwater with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 1995.
Days at or above 30 C (86 F) per year at Breakwater
YearDaysDecade average
199328
199458
1995178
First to last qualifying date each year at Breakwater For each year, a bar from the first to the last day at Breakwater meeting 30 C (86 F). 1993: 12 August 1993 to 26 August 19931994: 21 May 1994 to 18 June 19941995: 17 June 1995 to 20 August 1995199319941995JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Breakwater meeting 30 C (86 F).
First to last qualifying date each year at Breakwater
YearFirst dateLast date
19931993-08-121993-08-26
19941994-05-211994-06-18
19951995-06-171995-08-20

Every Fixed Threshold

Fixed thresholds at Breakwater
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days317199517
35 C (95 F): Days1119951
90 F (32.2 C): Days2819958
0 C (32 F): Ice days (max395199595
0 C (32 F): Frost days (min31771993165
-10 C (14 F): Days with min388199588
-20 C (-4 F): Days with min330199419
-30 C (-22 F): Days with min1419944
20 C (68 F): Tropical nights (min2319953
10 mm (0.39 in): Days with 10 mm or more rain6736198530
25 mm (0.98 in): Days with 25 mm or more rain671119655
50 mm (1.97 in): Days with 50 mm or more rain29219321
10 cm (3.9 in): Days with 10 cm or more snowfall56919294
25 cm (9.8 in): Days with 25 cm or more snowfall11119231

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

  • Data for Breakwater 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).