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Built 2026-10-19 (19 October 2026)

Clifton Threshold Days by Year (ASN00038042)

4 fixed thresholds counted per year at Clifton (ASN00038042): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clifton Thresholds

  • Clifton: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1975 with 19.
  • Clifton: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1974 with 9.
  • Clifton: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1976 with 4.
  • Clifton: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1977 with 1.
  • 4 fixed thresholds have at least one qualifying day at Clifton.
49 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Clifton Days per year at Clifton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1975. 051015201956: 171958: 21959: 51960: 81961: 61962: 81965: 31966: 41967: 81968: 101969: 51970: 51971: 101972: 41973: 151974: 161975: 191976: 141977: 151978: 161979: 71980: 31981: 141982: 41983: 101984: 121985: 51986: 31987: 81988: 41989: 141990: 151991: 101992: 51993: 81994: 51995: 151996: 91997: 101998: 121999: 122000: 142001: 82002: 12003: 92004: 112005: 52006: 52018: 21956196219691974197919841989199419992004
Days per year at Clifton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1975.
Days with 10 mm (0.39 in) or more of precipitation per year at Clifton
YearDaysDecade average
1956178
195828
195958
196086.5
196166.5
196286.5
196536.5
196646.5
196786.5
1968106.5
196956.5
1970512.1
19711012.1
1972412.1
19731512.1
19741612.1
19751912.1
19761412.1
19771512.1
19781612.1
1979712.1
198037.7
1981147.7
198247.7
1983107.7
1984127.7
198557.7
198637.7
198787.7
198847.7
1989147.7
19901510.1
19911010.1
1992510.1
1993810.1
1994510.1
19951510.1
1996910.1
19971010.1
19981210.1
19991210.1
2000147.6
200187.6
200217.6
200397.6
2004117.6
200557.6
200657.6
201822
First to last qualifying date each year at Clifton For each year, a bar from the first to the last day at Clifton meeting 10 mm (0.39 in). 1956: 19 January 1956 to 21 December 19561958: 14 May 1958 to 31 December 19581959: 25 January 1959 to 2 October 19591960: 9 January 1960 to 24 December 19601961: 3 January 1961 to 19 December 19611962: 12 January 1962 to 25 December 19621965: 15 August 1965 to 14 December 19651966: 6 January 1966 to 1 July 19661967: 1 March 1967 to 28 December 19671968: 14 January 1968 to 1 July 19681969: 16 March 1969 to 14 July 19691970: 15 March 1970 to 12 November 19701971: 5 March 1971 to 21 December 19711972: 12 January 1972 to 30 November 19721973: 10 February 1973 to 31 December 19731974: 7 January 1974 to 16 November 19741975: 29 January 1975 to 27 December 19751976: 12 January 1976 to 20 December 19761977: 2 January 1977 to 6 September 19771978: 24 January 1978 to 4 December 19781979: 22 January 1979 to 29 September 19791980: 27 February 1980 to 13 December 19801981: 16 January 1981 to 19 November 19811982: 26 January 1982 to 29 May 19821983: 19 March 1983 to 16 November 19831984: 1 January 1984 to 23 July 19841985: 2 November 1985 to 7 December 19851986: 2 July 1986 to 7 December 19861987: 26 January 1987 to 29 December 19871988: 31 March 1988 to 27 December 19881989: 25 March 1989 to 14 December 19891990: 9 January 1990 to 20 October 19901991: 20 January 1991 to 24 November 19911992: 4 February 1992 to 17 December 19921993: 15 January 1993 to 10 December 19931994: 2 February 1994 to 1 December 19941995: 18 January 1995 to 21 November 19951996: 10 January 1996 to 5 November 19961997: 13 January 1997 to 30 December 19971998: 13 January 1998 to 12 November 19981999: 1 January 1999 to 26 December 19992000: 22 February 2000 to 27 December 20002001: 13 January 2001 to 16 December 20012002: 7 January 2002 to 7 January 20022003: 9 February 2003 to 5 December 20032004: 3 January 2004 to 12 December 20042005: 14 June 2005 to 16 October 20052006: 10 June 2006 to 31 December 20062018: 4 March 2018 to 7 March 20181956196619731980198719942001JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Clifton meeting 10 mm (0.39 in).
First to last qualifying date each year at Clifton
YearFirst dateLast date
19561956-01-191956-12-21
19581958-05-141958-12-31
19591959-01-251959-10-02
19601960-01-091960-12-24
19611961-01-031961-12-19
19621962-01-121962-12-25
19651965-08-151965-12-14
19661966-01-061966-07-01
19671967-03-011967-12-28
19681968-01-141968-07-01
19691969-03-161969-07-14
19701970-03-151970-11-12
19711971-03-051971-12-21
19721972-01-121972-11-30
19731973-02-101973-12-31
19741974-01-071974-11-16
19751975-01-291975-12-27
19761976-01-121976-12-20
19771977-01-021977-09-06
19781978-01-241978-12-04
19791979-01-221979-09-29
19801980-02-271980-12-13
19811981-01-161981-11-19
19821982-01-261982-05-29
19831983-03-191983-11-16
19841984-01-011984-07-23
19851985-11-021985-12-07
19861986-07-021986-12-07
19871987-01-261987-12-29
19881988-03-311988-12-27
19891989-03-251989-12-14
19901990-01-091990-10-20
19911991-01-201991-11-24
19921992-02-041992-12-17
19931993-01-151993-12-10
19941994-02-021994-12-01
19951995-01-181995-11-21
19961996-01-101996-11-05
19971997-01-131997-12-30
19981998-01-131998-11-12
19991999-01-011999-12-26
20002000-02-222000-12-27
20012001-01-132001-12-16
20022002-01-072002-01-07
20032003-02-092003-12-05
20042004-01-032004-12-12
20052005-06-142005-10-16
20062006-06-102006-12-31
20182018-03-042018-03-07

Every Fixed Threshold

Fixed thresholds at Clifton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain491919752
25 mm (0.98 in): Days with 25 mm or more rain42919741
50 mm (1.97 in): Days with 50 mm or more rain23419761
100 mm (3.94 in): Days with 100 mm or more rain2119771

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Clifton 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).