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Built 2026-10-19 (19 October 2026)

Tracy Carbona Threshold Days by Year (USC00048999)

12 fixed thresholds counted per year at Tracy Carbona (USC00048999): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tracy Carbona Thresholds

  • Tracy Carbona: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1982 with 16.
  • Tracy Carbona: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 1974 with 128.
  • Tracy Carbona: days with a maximum temperature at or above 35 C (95 F) in 38 years, most in 1967 with 68.
  • Tracy Carbona: days with a maximum temperature at or above 90 F (32.2 C) in 38 years, most in 1974 with 105.
  • 12 fixed thresholds have at least one qualifying day at Tracy Carbona.
38 years with a qualifying day
Days at or above 30 C (86 F) per year at Tracy Carbona Days per year at Tracy Carbona with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 128 in 1974. 0501001501950: 1171951: 1231952: 1011953: 941954: 1071955: 1041956: 1031957: 1041958: 1091959: 1091960: 1181961: 1101962: 1041963: 961964: 1111965: 1021966: 1171967: 1191968: 1051969: 1031970: 1101971: 1131973: 1151974: 1281975: 1041976: 921977: 991978: 1021979: 1061980: 841981: 1241982: 861983: 771988: 1171989: 1062012: 1152025: 1152026: 1011950195419581962196619701975197919832025
Days per year at Tracy Carbona with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 128 in 1974.
Days at or above 30 C (86 F) per year at Tracy Carbona
YearDaysDecade average
1950117107.1
1951123107.1
1952101107.1
195394107.1
1954107107.1
1955104107.1
1956103107.1
1957104107.1
1958109107.1
1959109107.1
1960118108.5
1961110108.5
1962104108.5
196396108.5
1964111108.5
1965102108.5
1966117108.5
1967119108.5
1968105108.5
1969103108.5
1970110107.7
1971113107.7
1973115107.7
1974128107.7
1975104107.7
197692107.7
197799107.7
1978102107.7
1979106107.7
19808499
198112499
19828699
19837799
198811799
198910699
2012115115
2025115108
2026101108
First to last qualifying date each year at Tracy Carbona For each year, a bar from the first to the last day at Tracy Carbona meeting 30 C (86 F). 1950: 19 April 1950 to 14 October 19501951: 9 April 1951 to 16 October 19511952: 17 May 1952 to 6 October 19521953: 25 April 1953 to 10 October 19531954: 16 April 1954 to 16 October 19541955: 11 May 1955 to 16 October 19551956: 16 May 1956 to 2 October 19561957: 6 April 1957 to 27 September 19571958: 5 May 1958 to 19 October 19581959: 30 April 1959 to 26 October 19591960: 5 April 1960 to 29 September 19601961: 3 April 1961 to 19 October 19611962: 13 April 1962 to 1 October 19621963: 17 May 1963 to 11 October 19631964: 15 April 1964 to 21 October 19641965: 26 April 1965 to 26 October 19651966: 1 April 1966 to 11 October 19661967: 9 May 1967 to 18 October 19671968: 30 March 1968 to 29 September 19681969: 6 May 1969 to 1 October 19691970: 1 June 1970 to 12 October 19701971: 24 May 1971 to 14 October 19711973: 10 May 1973 to 17 October 19731974: 1 May 1974 to 19 October 19741975: 13 May 1975 to 6 October 19751976: 1 May 1976 to 15 October 19761977: 16 April 1977 to 16 October 19771978: 3 May 1978 to 15 October 19781979: 12 May 1979 to 11 October 19791980: 14 April 1980 to 12 October 19801981: 24 April 1981 to 2 October 19811982: 7 May 1982 to 15 October 19821983: 20 May 1983 to 13 October 19831988: 26 March 1988 to 21 October 19881989: 5 April 1989 to 18 October 19892012: 22 April 2012 to 17 October 20122025: 26 March 2025 to 8 October 20252026: 18 March 2026 to 30 September 202619501955196019651970197619812012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tracy Carbona meeting 30 C (86 F).
First to last qualifying date each year at Tracy Carbona
YearFirst dateLast date
19501950-04-191950-10-14
19511951-04-091951-10-16
19521952-05-171952-10-06
19531953-04-251953-10-10
19541954-04-161954-10-16
19551955-05-111955-10-16
19561956-05-161956-10-02
19571957-04-061957-09-27
19581958-05-051958-10-19
19591959-04-301959-10-26
19601960-04-051960-09-29
19611961-04-031961-10-19
19621962-04-131962-10-01
19631963-05-171963-10-11
19641964-04-151964-10-21
19651965-04-261965-10-26
19661966-04-011966-10-11
19671967-05-091967-10-18
19681968-03-301968-09-29
19691969-05-061969-10-01
19701970-06-011970-10-12
19711971-05-241971-10-14
19731973-05-101973-10-17
19741974-05-011974-10-19
19751975-05-131975-10-06
19761976-05-011976-10-15
19771977-04-161977-10-16
19781978-05-031978-10-15
19791979-05-121979-10-11
19801980-04-141980-10-12
19811981-04-241981-10-02
19821982-05-071982-10-15
19831983-05-201983-10-13
19881988-03-261988-10-21
19891989-04-051989-10-18
20122012-04-222012-10-17
20252025-03-262025-10-08
20262026-03-182026-09-30

Every Fixed Threshold

Fixed thresholds at Tracy Carbona
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days381281974101
35 C (95 F): Days3868196736
40 C (104 F): Days291619611
90 F (32.2 C): Days38105197480
100 F (37.8 C): Days383319616
110 F (43.3 C): Days1119611
0 C (32 F): Frost days (min3451197618
20 C (68 F): Tropical nights (min311519613
25 C (77 F): Days with min5219812
10 mm (0.39 in): Days with 10 mm or more rain671619826
25 mm (0.98 in): Days with 25 mm or more rain38319111
50 mm (1.97 in): Days with 50 mm or more rain3219681

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

  • Data for Tracy Carbona 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 (2026-10-15).