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Built 2026-10-19 (19 October 2026)

Carnham Threshold Days by Year (ASN00057066)

4 fixed thresholds counted per year at Carnham (ASN00057066): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Carnham Thresholds

  • Carnham: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1983 with 51.
  • Carnham: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1983 with 26.
  • Carnham: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1974 with 11.
  • Carnham: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1968 with 2.
  • 4 fixed thresholds have at least one qualifying day at Carnham.
35 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Carnham Days per year at Carnham with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1983. 02040601965: 211966: 261967: 481968: 251969: 341970: 351971: 381972: 401973: 361974: 391975: 301976: 411977: 341978: 221979: 231980: 221981: 261982: 401983: 511984: 341985: 291986: 211987: 231988: 411989: 411990: 351991: 261992: 271993: 211994: 161995: 291997: 282001: 212002: 162004: 20196519691973197719811985198919932001
Days per year at Carnham with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Carnham
YearDaysDecade average
19652130.8
19662630.8
19674830.8
19682530.8
19693430.8
19703533.8
19713833.8
19724033.8
19733633.8
19743933.8
19753033.8
19764133.8
19773433.8
19782233.8
19792333.8
19802232.8
19812632.8
19824032.8
19835132.8
19843432.8
19852932.8
19862132.8
19872332.8
19884132.8
19894132.8
19903526
19912626
19922726
19932126
19941626
19952926
19972826
20012119
20021619
20042019
First to last qualifying date each year at Carnham For each year, a bar from the first to the last day at Carnham meeting 10 mm (0.39 in). 1965: 13 January 1965 to 15 December 19651966: 1 February 1966 to 8 December 19661967: 1 January 1967 to 29 December 19671968: 7 January 1968 to 12 December 19681969: 1 January 1969 to 29 December 19691970: 2 January 1970 to 30 December 19701971: 13 January 1971 to 18 December 19711972: 8 January 1972 to 28 December 19721973: 8 January 1973 to 21 December 19731974: 7 January 1974 to 10 December 19741975: 6 January 1975 to 22 December 19751976: 13 January 1976 to 27 December 19761977: 4 January 1977 to 20 December 19771978: 5 January 1978 to 30 December 19781979: 17 January 1979 to 21 December 19791980: 5 January 1980 to 6 December 19801981: 3 February 1981 to 21 December 19811982: 6 January 1982 to 31 December 19821983: 1 January 1983 to 28 December 19831984: 1 January 1984 to 30 December 19841985: 1 January 1985 to 27 December 19851986: 9 February 1986 to 16 December 19861987: 4 January 1987 to 24 December 19871988: 3 January 1988 to 19 December 19881989: 6 January 1989 to 25 December 19891990: 14 January 1990 to 31 December 19901991: 6 January 1991 to 31 December 19911992: 1 January 1992 to 28 December 19921993: 5 January 1993 to 9 December 19931994: 20 January 1994 to 25 December 19941995: 3 January 1995 to 24 December 19951997: 18 January 1997 to 24 December 19972001: 18 January 2001 to 16 December 20012002: 25 January 2002 to 10 December 20022004: 11 January 2004 to 28 December 20041965197019751980198519901995JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Carnham meeting 10 mm (0.39 in).
First to last qualifying date each year at Carnham
YearFirst dateLast date
19651965-01-131965-12-15
19661966-02-011966-12-08
19671967-01-011967-12-29
19681968-01-071968-12-12
19691969-01-011969-12-29
19701970-01-021970-12-30
19711971-01-131971-12-18
19721972-01-081972-12-28
19731973-01-081973-12-21
19741974-01-071974-12-10
19751975-01-061975-12-22
19761976-01-131976-12-27
19771977-01-041977-12-20
19781978-01-051978-12-30
19791979-01-171979-12-21
19801980-01-051980-12-06
19811981-02-031981-12-21
19821982-01-061982-12-31
19831983-01-011983-12-28
19841984-01-011984-12-30
19851985-01-011985-12-27
19861986-02-091986-12-16
19871987-01-041987-12-24
19881988-01-031988-12-19
19891989-01-061989-12-25
19901990-01-141990-12-31
19911991-01-061991-12-31
19921992-01-011992-12-28
19931993-01-051993-12-09
19941994-01-201994-12-25
19951995-01-031995-12-24
19971997-01-181997-12-24
20012001-01-182001-12-16
20022002-01-252002-12-10
20042004-01-112004-12-28

Every Fixed Threshold

Fixed thresholds at Carnham
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3551198320
25 mm (0.98 in): Days with 25 mm or more rain352619838
50 mm (1.97 in): Days with 50 mm or more rain321119744
100 mm (3.94 in): Days with 100 mm or more rain11219682

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1965.

Download the Data

  • Data for Carnham 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).