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Built 2026-10-19 (19 October 2026)

Isla Cedros Threshold Days by Year (MXN00002027)

10 fixed thresholds counted per year at Isla Cedros (MXN00002027): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Isla Cedros Thresholds

  • Isla Cedros: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 1978 with 208.
  • Isla Cedros: nights with a minimum temperature at or above 20 C (68 F) in 26 years, most in 1995 with 208.
  • Isla Cedros: days with a maximum temperature at or above 90 F (32.2 C) in 23 years, most in 1978 with 87.
  • Isla Cedros: days with a maximum temperature at or above 35 C (95 F) in 15 years, most in 1979 with 46.
  • 10 fixed thresholds have at least one qualifying day at Isla Cedros.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Isla Cedros Days per year at Isla Cedros with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 208 in 1978. 01002003001958: 441959: 441960: 201961: 221966: 531969: 291970: 151971: 601972: 491973: 471974: 841975: 521976: 961977: 1291978: 2081979: 1871980: 1301981: 711982: 31983: 501984: 11985: 231987: 41990: 1101991: 771993: 851995: 20195819611970197319761979198219851991
Days per year at Isla Cedros with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 208 in 1978.
Days at or above 30 C (86 F) per year at Isla Cedros
YearDaysDecade average
19584444
19594444
19602031
19612231
19665331
19692931
19701592.7
19716092.7
19724992.7
19734792.7
19748492.7
19755292.7
19769692.7
197712992.7
197820892.7
197918792.7
198013040.3
19817140.3
1982340.3
19835040.3
1984140.3
19852340.3
1987440.3
199011073
19917773
19938573
19952073
First to last qualifying date each year at Isla Cedros For each year, a bar from the first to the last day at Isla Cedros meeting 30 C (86 F). 1958: 29 July 1958 to 7 December 19581959: 27 April 1959 to 13 November 19591960: 3 April 1960 to 20 October 19601961: 16 April 1961 to 21 October 19611966: 10 August 1966 to 23 November 19661969: 18 July 1969 to 26 December 19691970: 1 January 1970 to 9 October 19701971: 16 March 1971 to 10 October 19711972: 21 April 1972 to 17 October 19721973: 22 June 1973 to 14 October 19731974: 15 April 1974 to 13 November 19741975: 2 June 1975 to 17 October 19751976: 20 April 1976 to 10 November 19761977: 31 May 1977 to 13 November 19771978: 8 March 1978 to 11 November 19781979: 4 March 1979 to 17 December 19791980: 29 March 1980 to 4 November 19801981: 2 July 1981 to 26 October 19811982: 23 September 1982 to 25 September 19821983: 29 July 1983 to 15 October 19831984: 5 September 1984 to 5 September 19841985: 11 July 1985 to 6 October 19851987: 21 April 1987 to 30 October 19871990: 1 July 1990 to 5 November 19901991: 9 April 1991 to 30 December 19911993: 21 April 1993 to 29 October 19931995: 22 March 1995 to 20 October 19951958196619721976198019841991JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Isla Cedros meeting 30 C (86 F).
First to last qualifying date each year at Isla Cedros
YearFirst dateLast date
19581958-07-291958-12-07
19591959-04-271959-11-13
19601960-04-031960-10-20
19611961-04-161961-10-21
19661966-08-101966-11-23
19691969-07-181969-12-26
19701970-01-011970-10-09
19711971-03-161971-10-10
19721972-04-211972-10-17
19731973-06-221973-10-14
19741974-04-151974-11-13
19751975-06-021975-10-17
19761976-04-201976-11-10
19771977-05-311977-11-13
19781978-03-081978-11-11
19791979-03-041979-12-17
19801980-03-291980-11-04
19811981-07-021981-10-26
19821982-09-231982-09-25
19831983-07-291983-10-15
19841984-09-051984-09-05
19851985-07-111985-10-06
19871987-04-211987-10-30
19901990-07-011990-11-05
19911991-04-091991-12-30
19931993-04-211993-10-29
19951995-03-221995-10-20

Every Fixed Threshold

Fixed thresholds at Isla Cedros
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days27208197820
35 C (95 F): Days154619793
40 C (104 F): Days1119851
90 F (32.2 C): Days2387197815
100 F (37.8 C): Days61919791
0 C (32 F): Frost days (min1419594
20 C (68 F): Tropical nights (min262081995208
25 C (77 F): Days with min84619839
10 mm (0.39 in): Days with 10 mm or more rain13619786
25 mm (0.98 in): Days with 25 mm or more rain6219782

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Isla Cedros 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).