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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Cortes Island Threshold Days by Year (CA001021950)

11 fixed thresholds counted per year at Cortes Island (CA001021950): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cortes Island Thresholds

  • Cortes Island: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1972 with 64.
  • Cortes Island: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1968 with 64.
  • Cortes Island: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1968 with 14.
  • Cortes Island: days with a maximum temperature at or below 0 C (32 F) in 25 years, most in 1969 with 20.
  • 11 fixed thresholds have at least one qualifying day at Cortes Island.
15 years with a qualifying day
Days at or above 30 C (86 F) per year at Cortes Island Days per year at Cortes Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1958. 02461952: 21958: 61959: 11960: 21961: 21965: 31969: 31970: 11971: 41972: 11977: 11978: 21981: 41982: 11983: 119521959196119691971197719811983
Days per year at Cortes Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1958.
Days at or above 30 C (86 F) per year at Cortes Island
YearDaysDecade average
195223
195863
195913
196022.5
196122.5
196532.5
196932.5
197011.8
197141.8
197211.8
197711.8
197821.8
198142
198212
198312
First to last qualifying date each year at Cortes Island For each year, a bar from the first to the last day at Cortes Island meeting 30 C (86 F). 1952: 8 July 1952 to 12 August 19521958: 17 June 1958 to 28 July 19581959: 31 July 1959 to 31 July 19591960: 7 August 1960 to 9 August 19601961: 11 July 1961 to 12 July 19611965: 29 July 1965 to 31 July 19651969: 15 June 1969 to 17 June 19691970: 15 July 1970 to 15 July 19701971: 27 July 1971 to 9 August 19711972: 6 August 1972 to 6 August 19721977: 4 August 1977 to 4 August 19771978: 7 August 1978 to 8 August 19781981: 7 August 1981 to 10 August 19811982: 19 June 1982 to 19 June 19821983: 29 May 1983 to 29 May 198319521959196119691971197719811983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cortes Island meeting 30 C (86 F).
First to last qualifying date each year at Cortes Island
YearFirst dateLast date
19521952-07-081952-08-12
19581958-06-171958-07-28
19591959-07-311959-07-31
19601960-08-071960-08-09
19611961-07-111961-07-12
19651965-07-291965-07-31
19691969-06-151969-06-17
19701970-07-151970-07-15
19711971-07-271971-08-09
19721972-08-061972-08-06
19771977-08-041977-08-04
19781978-08-071978-08-08
19811981-08-071981-08-10
19821982-06-191982-06-19
19831983-05-291983-05-29

Every Fixed Threshold

Fixed thresholds at Cortes Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days15619581
90 F (32.2 C): Days1119781
0 C (32 F): Ice days (max252019695
0 C (32 F): Frost days (min2864197227
-10 C (14 F): Days with min4319681
20 C (68 F): Tropical nights (min5519671
10 mm (0.39 in): Days with 10 mm or more rain2864196861
25 mm (0.98 in): Days with 25 mm or more rain281419689
50 mm (1.97 in): Days with 50 mm or more rain8119521
10 cm (3.9 in): Days with 10 cm or more snowfall23719721
25 cm (9.8 in): Days with 25 cm or more snowfall4219641

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Cortes 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 (2026-10-17).