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Built 2026-10-18 (18 October 2026)

Jian Threshold Days by Year

14 fixed thresholds counted per year at Jian (CHM00057799): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jian Thresholds

  • Jian: nights with a minimum temperature at or above 20 C (68 F) in 69 years, most in 2025 with 170.
  • Jian: nights with a minimum temperature at or above 25 C (77 F) in 69 years, most in 2025 with 126.
  • Jian: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 2021 with 146.
  • Jian: days with a maximum temperature at or above 35 C (95 F) in 68 years, most in 2021 with 98.
  • 14 fixed thresholds have at least one qualifying day at Jian.
68 years with a qualifying day
Days at or above 30 C (86 F) per year at Jian Days per year at Jian with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 146 in 2021. 0501001501951: 1101952: 1121953: 991956: 1211957: 981958: 1151959: 1111960: 1111961: 1101962: 1081963: 1331964: 1211965: 991966: 1171967: 1141968: 1091969: 1161970: 1041971: 1101972: 1071973: 1051974: 1061975: 1081976: 1021977: 1121978: 1101979: 1061980: 981981: 991982: 941983: 1201984: 1111985: 1221986: 1301987: 1061988: 1061989: 971990: 961991: 1151992: 1021993: 991994: 1151995: 1021996: 1191997: 921998: 1301999: 1012000: 1052001: 972002: 1022003: 1252004: 1232005: 1222006: 1172007: 1182008: 1232009: 1272010: 1032011: 1192012: 1022014: 1092020: 1432021: 1462022: 1402023: 1252024: 1412025: 1292026: 631951196019671974198119881995200220092022
Days per year at Jian with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 146 in 2021.
Days at or above 30 C (86 F) per year at Jian
YearDaysDecade average
1951110109.4
1952112109.4
195399109.4
1956121109.4
195798109.4
1958115109.4
1959111109.4
1960111113.8
1961110113.8
1962108113.8
1963133113.8
1964121113.8
196599113.8
1966117113.8
1967114113.8
1968109113.8
1969116113.8
1970104107
1971110107
1972107107
1973105107
1974106107
1975108107
1976102107
1977112107
1978110107
1979106107
198098108.3
198199108.3
198294108.3
1983120108.3
1984111108.3
1985122108.3
1986130108.3
1987106108.3
1988106108.3
198997108.3
199096107.1
1991115107.1
1992102107.1
199399107.1
1994115107.1
1995102107.1
1996119107.1
199792107.1
1998130107.1
1999101107.1
2000105115.9
200197115.9
2002102115.9
2003125115.9
2004123115.9
2005122115.9
2006117115.9
2007118115.9
2008123115.9
2009127115.9
2010103108.3
2011119108.3
2012102108.3
2014109108.3
2020143126.7
2021146126.7
2022140126.7
2023125126.7
2024141126.7
2025129126.7
202663126.7
First to last qualifying date each year at Jian For each year, a bar from the first to the last day at Jian meeting 30 C (86 F). 1951: 3 May 1951 to 20 October 19511952: 18 March 1952 to 21 October 19521953: 27 April 1953 to 19 October 19531956: 7 April 1956 to 10 October 19561957: 7 April 1957 to 14 October 19571958: 16 April 1958 to 12 November 19581959: 22 March 1959 to 23 October 19591960: 7 March 1960 to 30 September 19601961: 29 April 1961 to 19 October 19611962: 10 February 1962 to 10 October 19621963: 14 April 1963 to 3 October 19631964: 4 April 1964 to 16 October 19641965: 27 April 1965 to 2 October 19651966: 23 April 1966 to 24 October 19661967: 29 April 1967 to 31 October 19671968: 23 April 1968 to 8 October 19681969: 27 March 1969 to 13 October 19691970: 17 May 1970 to 24 October 19701971: 13 April 1971 to 21 October 19711972: 17 April 1972 to 2 October 19721973: 27 March 1973 to 5 October 19731974: 17 April 1974 to 7 October 19741975: 18 May 1975 to 11 October 19751976: 21 April 1976 to 7 October 19761977: 16 March 1977 to 6 November 19771978: 12 April 1978 to 3 October 19781979: 22 February 1979 to 4 November 19791980: 12 May 1980 to 16 October 19801981: 17 April 1981 to 27 September 19811982: 9 May 1982 to 14 October 19821983: 13 April 1983 to 18 October 19831984: 8 May 1984 to 10 November 19841985: 23 April 1985 to 14 October 19851986: 9 April 1986 to 17 October 19861987: 18 April 1987 to 29 October 19871988: 14 March 1988 to 16 October 19881989: 2 April 1989 to 5 November 19891990: 29 April 1990 to 28 September 19901991: 11 April 1991 to 1 October 19911992: 20 April 1992 to 4 October 19921993: 25 March 1993 to 12 October 19931994: 4 April 1994 to 16 October 19941995: 22 April 1995 to 2 October 19951996: 17 April 1996 to 31 October 19961997: 28 April 1997 to 23 October 19971998: 31 March 1998 to 16 November 19981999: 5 March 1999 to 14 October 19992000: 4 May 2000 to 11 October 20002001: 28 April 2001 to 26 October 20012002: 2 April 2002 to 4 October 20022003: 1 April 2003 to 7 November 20032004: 19 April 2004 to 30 September 20042005: 7 April 2005 to 5 November 20052006: 3 April 2006 to 10 November 20062007: 29 March 2007 to 7 October 20072008: 7 April 2008 to 29 October 20082009: 13 February 2009 to 9 November 20092010: 25 February 2010 to 21 September 20102011: 14 April 2011 to 23 October 20112012: 10 April 2012 to 26 October 20122014: 11 April 2014 to 26 October 20142020: 16 April 2020 to 20 November 20202021: 31 March 2021 to 11 October 20212022: 13 March 2022 to 13 November 20222023: 13 April 2023 to 6 November 20232024: 24 March 2024 to 19 October 20242025: 2 March 2025 to 17 October 20252026: 9 April 2026 to 22 September 202619511962197119801989199820072022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jian meeting 30 C (86 F).
First to last qualifying date each year at Jian
YearFirst dateLast date
19511951-05-031951-10-20
19521952-03-181952-10-21
19531953-04-271953-10-19
19561956-04-071956-10-10
19571957-04-071957-10-14
19581958-04-161958-11-12
19591959-03-221959-10-23
19601960-03-071960-09-30
19611961-04-291961-10-19
19621962-02-101962-10-10
19631963-04-141963-10-03
19641964-04-041964-10-16
19651965-04-271965-10-02
19661966-04-231966-10-24
19671967-04-291967-10-31
19681968-04-231968-10-08
19691969-03-271969-10-13
19701970-05-171970-10-24
19711971-04-131971-10-21
19721972-04-171972-10-02
19731973-03-271973-10-05
19741974-04-171974-10-07
19751975-05-181975-10-11
19761976-04-211976-10-07
19771977-03-161977-11-06
19781978-04-121978-10-03
19791979-02-221979-11-04
19801980-05-121980-10-16
19811981-04-171981-09-27
19821982-05-091982-10-14
19831983-04-131983-10-18
19841984-05-081984-11-10
19851985-04-231985-10-14
19861986-04-091986-10-17
19871987-04-181987-10-29
19881988-03-141988-10-16
19891989-04-021989-11-05
19901990-04-291990-09-28
19911991-04-111991-10-01
19921992-04-201992-10-04
19931993-03-251993-10-12
19941994-04-041994-10-16
19951995-04-221995-10-02
19961996-04-171996-10-31
19971997-04-281997-10-23
19981998-03-311998-11-16
19991999-03-051999-10-14
20002000-05-042000-10-11
20012001-04-282001-10-26
20022002-04-022002-10-04
20032003-04-012003-11-07
20042004-04-192004-09-30
20052005-04-072005-11-05
20062006-04-032006-11-10
20072007-03-292007-10-07
20082008-04-072008-10-29
20092009-02-132009-11-09
20102010-02-252010-09-21
20112011-04-142011-10-23
20122012-04-102012-10-26
20142014-04-112014-10-26
20202020-04-162020-11-20
20212021-03-312021-10-11
20222022-03-132022-11-13
20232023-04-132023-11-06
20242024-03-242024-10-19
20252025-03-022025-10-17
20262026-04-092026-09-22

Every Fixed Threshold

Fixed thresholds at Jian
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days68146202163
35 C (95 F): Days6898202110
40 C (104 F): Days91320223
90 F (32.2 C): Days68128202134
100 F (37.8 C): Days604520224
0 C (32 F): Ice days (max15419771
0 C (32 F): Frost days (min673019511
20 C (68 F): Tropical nights (min691702025110
25 C (77 F): Days with min69126202561
10 mm (0.39 in): Days with 10 mm or more rain676619758
25 mm (0.98 in): Days with 25 mm or more rain672920106
50 mm (1.97 in): Days with 50 mm or more rain66919615
100 mm (3.94 in): Days with 100 mm or more rain28320022
200 mm (7.87 in): Days with 200 mm or more rain2120201

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

  • Data for Jian 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).