Built 2026-10-19 (19 October 2026)

San Clemente Is Naas Threshold Days by Year (USW00093117)

8 fixed thresholds counted per year at San Clemente Is Naas (USW00093117): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Clemente Is Naas Thresholds

  • San Clemente Is Naas: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1978 with 13.
  • San Clemente Is Naas: days with a maximum temperature at or above 30 C (86 F) in 19 years, most in 1965 with 5.
  • San Clemente Is Naas: days with a maximum temperature at or above 90 F (32.2 C) in 11 years, most in 1965 with 3.
  • San Clemente Is Naas: days with 25 mm (0.98 in) or more of precipitation in 11 years, most in 1969 with 3.
  • 8 fixed thresholds have at least one qualifying day at San Clemente Is Naas.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at San Clemente Is Naas Days per year at San Clemente Is Naas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1965. 02461964: 11965: 51966: 11967: 21968: 11970: 31971: 31972: 11973: 21974: 11975: 21976: 21977: 11978: 41981: 21982: 11983: 21984: 11985: 21964196619681971197319751977198119831985
Days per year at San Clemente Is Naas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1965.
Days at or above 30 C (86 F) per year at San Clemente Is Naas
YearDaysDecade average
196412
196552
196612
196722
196812
197032.1
197132.1
197212.1
197322.1
197412.1
197522.1
197622.1
197712.1
197842.1
198121.6
198211.6
198321.6
198411.6
198521.6
First to last qualifying date each year at San Clemente Is Naas For each year, a bar from the first to the last day at San Clemente Is Naas meeting 30 C (86 F). 1964: 20 October 1964 to 20 October 19641965: 1 October 1965 to 24 October 19651966: 1 November 1966 to 1 November 19661967: 16 October 1967 to 17 October 19671968: 24 September 1968 to 24 September 19681970: 26 September 1970 to 28 September 19701971: 4 October 1971 to 6 October 19711972: 6 October 1972 to 6 October 19721973: 26 September 1973 to 27 September 19731974: 16 October 1974 to 16 October 19741975: 23 September 1975 to 24 September 19751976: 24 June 1976 to 9 October 19761977: 27 July 1977 to 27 July 19771978: 17 May 1978 to 23 October 19781981: 15 June 1981 to 16 June 19811982: 24 September 1982 to 24 September 19821983: 25 October 1983 to 26 October 19831984: 8 September 1984 to 8 September 19841985: 3 October 1985 to 4 November 19851964196719711974197719821985JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Clemente Is Naas meeting 30 C (86 F).
First to last qualifying date each year at San Clemente Is Naas
YearFirst dateLast date
19641964-10-201964-10-20
19651965-10-011965-10-24
19661966-11-011966-11-01
19671967-10-161967-10-17
19681968-09-241968-09-24
19701970-09-261970-09-28
19711971-10-041971-10-06
19721972-10-061972-10-06
19731973-09-261973-09-27
19741974-10-161974-10-16
19751975-09-231975-09-24
19761976-06-241976-10-09
19771977-07-271977-07-27
19781978-05-171978-10-23
19811981-06-151981-06-16
19821982-09-241982-09-24
19831983-10-251983-10-26
19841984-09-081984-09-08
19851985-10-031985-11-04

Every Fixed Threshold

Fixed thresholds at San Clemente Is Naas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days19519652
35 C (95 F): Days1219782
90 F (32.2 C): Days11319651
20 C (68 F): Tropical nights (min9819848
10 mm (0.39 in): Days with 10 mm or more rain221319782
25 mm (0.98 in): Days with 25 mm or more rain11319693
50 mm (1.97 in): Days with 50 mm or more rain3119751
100 mm (3.94 in): Days with 100 mm or more rain1119831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for San Clemente Is Naas 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).