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

Cape St. Francis Threshold Days by Year (SF000175820)

6 fixed thresholds counted per year at Cape St. Francis (SF000175820): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cape St. Francis Thresholds

  • Cape St. Francis: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1971 with 32.
  • Cape St. Francis: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1931 with 11.
  • Cape St. Francis: nights with a minimum temperature at or above 20 C (68 F) in 39 years, most in 1977 with 31.
  • Cape St. Francis: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1996 with 5.
  • 6 fixed thresholds have at least one qualifying day at Cape St. Francis.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Cape St. Francis Days per year at Cape St. Francis with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1966. 012341960: 11962: 31964: 11966: 41967: 21968: 11971: 11972: 21978: 11980: 11981: 11982: 21985: 11986: 21987: 31989: 11990: 21991: 21992: 11993: 11995: 11996: 11998: 11999: 319601966197119801985198919921996
Days per year at Cape St. Francis with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1966.
Days at or above 30 C (86 F) per year at Cape St. Francis
YearDaysDecade average
196012
196232
196412
196642
196722
196812
197111.3
197221.3
197811.3
198011.6
198111.6
198221.6
198511.6
198621.6
198731.6
198911.6
199021.5
199121.5
199211.5
199311.5
199511.5
199611.5
199811.5
199931.5
First to last qualifying date each year at Cape St. Francis For each year, a bar from the first to the last day at Cape St. Francis meeting 30 C (86 F). 1960: 30 July 1960 to 30 July 19601962: 23 May 1962 to 1 August 19621964: 22 April 1964 to 22 April 19641966: 30 January 1966 to 30 July 19661967: 18 May 1967 to 19 May 19671968: 23 May 1968 to 23 May 19681971: 1 April 1971 to 1 April 19711972: 5 January 1972 to 25 May 19721978: 22 July 1978 to 22 July 19781980: 21 May 1980 to 21 May 19801981: 25 May 1981 to 25 May 19811982: 5 June 1982 to 29 June 19821985: 27 May 1985 to 27 May 19851986: 26 May 1986 to 27 May 19861987: 25 February 1987 to 25 May 19871989: 29 January 1989 to 29 January 19891990: 17 May 1990 to 2 June 19901991: 15 May 1991 to 19 May 19911992: 20 July 1992 to 20 July 19921993: 6 April 1993 to 6 April 19931995: 15 May 1995 to 15 May 19951996: 26 December 1996 to 26 December 19961998: 27 July 1998 to 27 July 19981999: 28 June 1999 to 25 July 199919601966197119801985198919921996JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cape St. Francis meeting 30 C (86 F).
First to last qualifying date each year at Cape St. Francis
YearFirst dateLast date
19601960-07-301960-07-30
19621962-05-231962-08-01
19641964-04-221964-04-22
19661966-01-301966-07-30
19671967-05-181967-05-19
19681968-05-231968-05-23
19711971-04-011971-04-01
19721972-01-051972-05-25
19781978-07-221978-07-22
19801980-05-211980-05-21
19811981-05-251981-05-25
19821982-06-051982-06-29
19851985-05-271985-05-27
19861986-05-261986-05-27
19871987-02-251987-05-25
19891989-01-291989-01-29
19901990-05-171990-06-02
19911991-05-151991-05-19
19921992-07-201992-07-20
19931993-04-061993-04-06
19951995-05-151995-05-15
19961996-12-261996-12-26
19981998-07-271998-07-27
19991999-06-281999-07-25

Every Fixed Threshold

Fixed thresholds at Cape St. Francis
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days24419663
20 C (68 F): Tropical nights (min3931197710
10 mm (0.39 in): Days with 10 mm or more rain7132197118
25 mm (0.98 in): Days with 25 mm or more rain701119315
50 mm (1.97 in): Days with 50 mm or more rain37519961
100 mm (3.94 in): Days with 100 mm or more rain7119321

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Cape St. Francis 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).