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Built 2026-10-19 (19 October 2026)

Duncan Wilson Rch Threshold Days by Year (USC00412630)

7 fixed thresholds counted per year at Duncan Wilson Rch (USC00412630): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Duncan Wilson Rch Thresholds

  • Duncan Wilson Rch: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1968 with 26.
  • Duncan Wilson Rch: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1974 with 13.
  • Duncan Wilson Rch: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1990 with 5.
  • Duncan Wilson Rch: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1990 with 2.
  • 7 fixed thresholds have at least one qualifying day at Duncan Wilson Rch.
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Duncan Wilson Rch Days per year at Duncan Wilson Rch with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1968. 01020301966: 171967: 171968: 261969: 261970: 191971: 211973: 161974: 251975: 211976: 231977: 131978: 151979: 121980: 171981: 151982: 181983: 131984: 111985: 181986: 221987: 261988: 81989: 141990: 241991: 231992: 241994: 181995: 161996: 161966196919731976197919821985198819911995
Days per year at Duncan Wilson Rch with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1968.
Days with 10 mm (0.39 in) or more of precipitation per year at Duncan Wilson Rch
YearDaysDecade average
19661721.5
19671721.5
19682621.5
19692621.5
19701918.3
19712118.3
19731618.3
19742518.3
19752118.3
19762318.3
19771318.3
19781518.3
19791218.3
19801716.2
19811516.2
19821816.2
19831316.2
19841116.2
19851816.2
19862216.2
19872616.2
1988816.2
19891416.2
19902420.2
19912320.2
19922420.2
19941820.2
19951620.2
19961620.2
First to last qualifying date each year at Duncan Wilson Rch For each year, a bar from the first to the last day at Duncan Wilson Rch meeting 10 mm (0.39 in). 1966: 9 February 1966 to 18 September 19661967: 20 March 1967 to 16 December 19671968: 9 January 1968 to 1 December 19681969: 14 February 1969 to 29 December 19691970: 23 February 1970 to 19 October 19701971: 25 February 1971 to 3 December 19711973: 9 February 1973 to 13 October 19731974: 22 April 1974 to 26 December 19741975: 1 February 1975 to 3 November 19751976: 24 March 1976 to 14 December 19761977: 3 March 1977 to 8 November 19771978: 16 January 1978 to 5 November 19781979: 5 February 1979 to 12 December 19791980: 27 March 1980 to 9 December 19801981: 9 January 1981 to 22 October 19811982: 21 February 1982 to 27 December 19821983: 21 January 1983 to 5 November 19831984: 8 January 1984 to 31 December 19841985: 13 January 1985 to 29 September 19851986: 3 February 1986 to 23 December 19861987: 6 February 1987 to 19 December 19871988: 12 May 1988 to 8 December 19881989: 15 February 1989 to 31 December 19891990: 19 January 1990 to 8 November 19901991: 6 January 1991 to 21 December 19911992: 18 January 1992 to 14 December 19921994: 21 January 1994 to 28 December 19941995: 13 March 1995 to 18 November 19951996: 28 March 1996 to 29 November 199619661970197519791983198719911996JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Duncan Wilson Rch meeting 10 mm (0.39 in).
First to last qualifying date each year at Duncan Wilson Rch
YearFirst dateLast date
19661966-02-091966-09-18
19671967-03-201967-12-16
19681968-01-091968-12-01
19691969-02-141969-12-29
19701970-02-231970-10-19
19711971-02-251971-12-03
19731973-02-091973-10-13
19741974-04-221974-12-26
19751975-02-011975-11-03
19761976-03-241976-12-14
19771977-03-031977-11-08
19781978-01-161978-11-05
19791979-02-051979-12-12
19801980-03-271980-12-09
19811981-01-091981-10-22
19821982-02-211982-12-27
19831983-01-211983-11-05
19841984-01-081984-12-31
19851985-01-131985-09-29
19861986-02-031986-12-23
19871987-02-061987-12-19
19881988-05-121988-12-08
19891989-02-151989-12-31
19901990-01-191990-11-08
19911991-01-061991-12-21
19921992-01-181992-12-14
19941994-01-211994-12-28
19951995-03-131995-11-18
19961996-03-281996-11-29

Every Fixed Threshold

Fixed thresholds at Duncan Wilson Rch
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2926196816
25 mm (0.98 in): Days with 25 mm or more rain291319744
50 mm (1.97 in): Days with 50 mm or more rain24519901
100 mm (3.94 in): Days with 100 mm or more rain6219902
200 mm (7.87 in): Days with 200 mm or more rain2119801
10 cm (3.9 in): Days with 10 cm or more snowfall1119661
25 cm (9.8 in): Days with 25 cm or more snowfall1119661

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Duncan Wilson Rch 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).