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

Holdfast Threshold Days by Year (CA004013270)

11 fixed thresholds counted per year at Holdfast (CA004013270): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Holdfast Thresholds

  • Holdfast: days with a maximum temperature at or above 30 C (86 F) in 3 years, most in 1965 with 9.
  • Holdfast: days with a maximum temperature at or above 90 F (32.2 C) in 3 years, most in 1965 with 4.
  • Holdfast: days with a maximum temperature at or below 0 C (32 F) in 3 years, most in 1965 with 127.
  • Holdfast: nights with a minimum temperature at or below 0 C (32 F) in 2 years, most in 1962 with 184.
  • 11 fixed thresholds have at least one qualifying day at Holdfast.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Holdfast Days per year at Holdfast with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1965. 0358101962: 61963: 61965: 9196219631965
Days per year at Holdfast with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1965.
Days at or above 30 C (86 F) per year at Holdfast
YearDaysDecade average
196267
196367
196597
First to last qualifying date each year at Holdfast For each year, a bar from the first to the last day at Holdfast meeting 30 C (86 F). 1962: 26 June 1962 to 21 August 19621963: 5 July 1963 to 7 August 19631965: 10 June 1965 to 12 August 1965196219631965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Holdfast meeting 30 C (86 F).
First to last qualifying date each year at Holdfast
YearFirst dateLast date
19621962-06-261962-08-21
19631963-07-051963-08-07
19651965-06-101965-08-12

Every Fixed Threshold

Fixed thresholds at Holdfast
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3919659
90 F (32.2 C): Days3419654
0 C (32 F): Ice days (max31271965127
0 C (32 F): Frost days (min21841962177
-10 C (14 F): Days with min294196394
-20 C (-4 F): Days with min252196252
-30 C (-22 F): Days with min223196216
-40 C (-40 F): Days with min1119621
10 mm (0.39 in): Days with 10 mm or more rain111196211
25 mm (0.98 in): Days with 25 mm or more rain1119621
10 cm (3.9 in): Days with 10 cm or more snowfall1119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for Holdfast 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).