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Built 2026-10-19 (19 October 2026)

Sheffield Threshold Days by Year (USC00418252)

15 fixed thresholds counted per year at Sheffield (USC00418252): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sheffield Thresholds

  • Sheffield: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1992 with 27.
  • Sheffield: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1966 with 7.
  • Sheffield: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1989 with 186.
  • Sheffield: days with a maximum temperature at or above 35 C (95 F) in 33 years, most in 1982 with 112.
  • 15 fixed thresholds have at least one qualifying day at Sheffield.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Sheffield Days per year at Sheffield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 186 in 1989. 0501001502001964: 1591965: 1511966: 1401967: 1631968: 1371969: 1501970: 1431971: 1311972: 1731973: 1391974: 1521980: 1361981: 1561982: 1711983: 1521984: 1481985: 1521986: 1511987: 1381988: 1731989: 1861990: 1331991: 1561992: 1411993: 1581994: 1541995: 1691996: 1551997: 1471998: 1611999: 1632005: 1602007: 164196419681972198119851989199319972007
Days per year at Sheffield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 186 in 1989.
Days at or above 30 C (86 F) per year at Sheffield
YearDaysDecade average
1964159150
1965151150
1966140150
1967163150
1968137150
1969150150
1970143147.6
1971131147.6
1972173147.6
1973139147.6
1974152147.6
1980136156.3
1981156156.3
1982171156.3
1983152156.3
1984148156.3
1985152156.3
1986151156.3
1987138156.3
1988173156.3
1989186156.3
1990133153.7
1991156153.7
1992141153.7
1993158153.7
1994154153.7
1995169153.7
1996155153.7
1997147153.7
1998161153.7
1999163153.7
2005160162
2007164162
First to last qualifying date each year at Sheffield For each year, a bar from the first to the last day at Sheffield meeting 30 C (86 F). 1964: 8 March 1964 to 17 October 19641965: 3 April 1965 to 26 November 19651966: 21 March 1966 to 13 October 19661967: 3 March 1967 to 2 November 19671968: 18 April 1968 to 29 October 19681969: 8 January 1969 to 8 November 19691970: 11 April 1970 to 25 October 19701971: 5 March 1971 to 17 September 19711972: 23 January 1972 to 19 October 19721973: 18 April 1973 to 9 October 19731974: 1 March 1974 to 9 October 19741980: 28 February 1980 to 7 November 19801981: 29 March 1981 to 21 December 19811982: 11 March 1982 to 2 November 19821983: 31 March 1983 to 9 October 19831984: 13 March 1984 to 24 September 19841985: 11 March 1985 to 23 October 19851986: 18 February 1986 to 3 October 19861987: 11 April 1987 to 11 December 19871988: 10 March 1988 to 9 November 19881989: 27 February 1989 to 14 November 19891990: 12 March 1990 to 17 October 19901991: 4 March 1991 to 24 October 19911992: 7 April 1992 to 31 October 19921993: 9 March 1993 to 18 October 19931994: 7 March 1994 to 22 October 19941995: 19 March 1995 to 26 November 19951996: 20 February 1996 to 20 November 19961997: 13 March 1997 to 31 October 19971998: 23 March 1998 to 17 October 19981999: 8 February 1999 to 16 October 19992005: 12 March 2005 to 3 December 20052007: 15 March 2007 to 9 November 20071964196919741984198919941999JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sheffield meeting 30 C (86 F).
First to last qualifying date each year at Sheffield
YearFirst dateLast date
19641964-03-081964-10-17
19651965-04-031965-11-26
19661966-03-211966-10-13
19671967-03-031967-11-02
19681968-04-181968-10-29
19691969-01-081969-11-08
19701970-04-111970-10-25
19711971-03-051971-09-17
19721972-01-231972-10-19
19731973-04-181973-10-09
19741974-03-011974-10-09
19801980-02-281980-11-07
19811981-03-291981-12-21
19821982-03-111982-11-02
19831983-03-311983-10-09
19841984-03-131984-09-24
19851985-03-111985-10-23
19861986-02-181986-10-03
19871987-04-111987-12-11
19881988-03-101988-11-09
19891989-02-271989-11-14
19901990-03-121990-10-17
19911991-03-041991-10-24
19921992-04-071992-10-31
19931993-03-091993-10-18
19941994-03-071994-10-22
19951995-03-191995-11-26
19961996-02-201996-11-20
19971997-03-131997-10-31
19981998-03-231998-10-17
19991999-02-081999-10-16
20052005-03-122005-12-03
20072007-03-152007-11-09

Every Fixed Threshold

Fixed thresholds at Sheffield
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days331861989164
35 C (95 F): Days33112198253
40 C (104 F): Days2215198013
90 F (32.2 C): Days331501989123
100 F (37.8 C): Days334719985
110 F (43.3 C): Days2219801
0 C (32 F): Ice days (max13319832
0 C (32 F): Frost days (min3279198859
-10 C (14 F): Days with min22819892
20 C (68 F): Tropical nights (min32112198679
25 C (77 F): Days with min272819984
10 mm (0.39 in): Days with 10 mm or more rain472719921
25 mm (0.98 in): Days with 25 mm or more rain47719661
50 mm (1.97 in): Days with 50 mm or more rain28319661
100 mm (3.94 in): Days with 100 mm or more rain2119981

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Sheffield 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).