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

Culebra Island Threshold Days by Year (RQC00663145)

9 fixed thresholds counted per year at Culebra Island (RQC00663145): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Culebra Island Thresholds

  • Culebra Island: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1970 with 35.
  • Culebra Island: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1909 with 16.
  • Culebra Island: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1969 with 9.
  • Culebra Island: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1970 with 2.
  • 9 fixed thresholds have at least one qualifying day at Culebra Island.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Culebra Island Days per year at Culebra Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 280 in 1920. 01002003001908: 841909: 2161910: 2391920: 2801908190919101920
Days per year at Culebra Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 280 in 1920.
Days at or above 30 C (86 F) per year at Culebra Island
YearDaysDecade average
190884150
1909216150
1910239239
1920280280
First to last qualifying date each year at Culebra Island For each year, a bar from the first to the last day at Culebra Island meeting 30 C (86 F). 1908: 11 June 1908 to 16 November 19081909: 8 January 1909 to 25 November 19091910: 6 March 1910 to 21 December 19101920: 5 January 1920 to 31 December 19201908190919101920JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Culebra Island meeting 30 C (86 F).
First to last qualifying date each year at Culebra Island
YearFirst dateLast date
19081908-06-111908-11-16
19091909-01-081909-11-25
19101910-03-061910-12-21
19201920-01-051920-12-31

Every Fixed Threshold

Fixed thresholds at Culebra Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days42801920280
90 F (32.2 C): Days31071920107
20 C (68 F): Tropical nights (min33611910361
25 C (77 F): Days with min376190969
10 mm (0.39 in): Days with 10 mm or more rain2235197026
25 mm (0.98 in): Days with 25 mm or more rain2216190911
50 mm (1.97 in): Days with 50 mm or more rain18919692
100 mm (3.94 in): Days with 100 mm or more rain5219702
200 mm (7.87 in): Days with 200 mm or more rain1119701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

  • Data for Culebra Island 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).