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Built 2026-10-19 (19 October 2026)

Hector Threshold Days by Year (USC00303766)

7 fixed thresholds counted per year at Hector (USC00303766): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hector Thresholds

  • Hector: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1977 with 41.
  • Hector: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1972 with 11.
  • Hector: days with 10 cm (3.9 in) or more of snowfall in 18 years, most in 1990 with 8.
  • Hector: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1996 with 4.
  • 7 fixed thresholds have at least one qualifying day at Hector.
18 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hector Days per year at Hector with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1977. 02040601968: 351972: 341973: 311974: 271975: 281976: 331977: 411983: 241984: 281986: 341987: 241988: 181989: 331990: 321991: 241992: 371995: 141996: 37196819731975197719841987198919911995
Days per year at Hector with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1977.
Days with 10 mm (0.39 in) or more of precipitation per year at Hector
YearDaysDecade average
19683535
19723432.3
19733132.3
19742732.3
19752832.3
19763332.3
19774132.3
19832426.8
19842826.8
19863426.8
19872426.8
19881826.8
19893326.8
19903228.8
19912428.8
19923728.8
19951428.8
19963728.8
First to last qualifying date each year at Hector For each year, a bar from the first to the last day at Hector meeting 10 mm (0.39 in). 1968: 14 January 1968 to 28 December 19681972: 12 January 1972 to 6 December 19721973: 4 January 1973 to 20 December 19731974: 31 March 1974 to 25 December 19741975: 29 January 1975 to 20 December 19751976: 27 January 1976 to 31 October 19761977: 25 February 1977 to 21 December 19771983: 23 January 1983 to 14 December 19831984: 14 February 1984 to 29 November 19841986: 3 January 1986 to 24 December 19861987: 2 January 1987 to 29 December 19871988: 20 January 1988 to 21 November 19881989: 21 February 1989 to 16 November 19891990: 4 February 1990 to 30 December 19901991: 16 January 1991 to 30 December 19911992: 4 January 1992 to 17 December 19921995: 8 March 1995 to 16 November 19951996: 3 January 1996 to 1 December 1996196819741977198619891992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hector meeting 10 mm (0.39 in).
First to last qualifying date each year at Hector
YearFirst dateLast date
19681968-01-141968-12-28
19721972-01-121972-12-06
19731973-01-041973-12-20
19741974-03-311974-12-25
19751975-01-291975-12-20
19761976-01-271976-10-31
19771977-02-251977-12-21
19831983-01-231983-12-14
19841984-02-141984-11-29
19861986-01-031986-12-24
19871987-01-021987-12-29
19881988-01-201988-11-21
19891989-02-211989-11-16
19901990-02-041990-12-30
19911991-01-161991-12-30
19921992-01-041992-12-17
19951995-03-081995-11-16
19961996-01-031996-12-01

Every Fixed Threshold

Fixed thresholds at Hector
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1841197737
25 mm (0.98 in): Days with 25 mm or more rain1811197211
50 mm (1.97 in): Days with 50 mm or more rain12419964
100 mm (3.94 in): Days with 100 mm or more rain1119961
10 cm (3.9 in): Days with 10 cm or more snowfall18819907
25 cm (9.8 in): Days with 25 cm or more snowfall5219721
50 cm (19.7 in): Days with 50 cm or more snowfall1119841

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Hector 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).