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Built 2026-10-19 (19 October 2026)

Tanlu Threshold Days by Year (MXN00024136)

16 fixed thresholds counted per year at Tanlu (MXN00024136): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tanlu Thresholds

  • Tanlu: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 2008 with 37.
  • Tanlu: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1981 with 21.
  • Tanlu: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1985 with 252.
  • Tanlu: days with a maximum temperature at or above 35 C (95 F) in 30 years, most in 1989 with 139.
  • 16 fixed thresholds have at least one qualifying day at Tanlu.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Tanlu Days per year at Tanlu with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 252 in 1985. 01002003001974: 1881975: 2021977: 2181978: 1971979: 2141980: 2211981: 2151982: 2401983: 2161984: 1891985: 2521986: 2321987: 2261988: 2281989: 2441990: 2161991: 1871992: 1391994: 1601995: 1831996: 2291997: 2401998: 2312002: 2272003: 2202004: 1982005: 2142006: 2272007: 1932008: 1521974197819811984198719901994199720032006
Days per year at Tanlu with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 252 in 1985.
Days at or above 30 C (86 F) per year at Tanlu
YearDaysDecade average
1974188203.8
1975202203.8
1977218203.8
1978197203.8
1979214203.8
1980221226.3
1981215226.3
1982240226.3
1983216226.3
1984189226.3
1985252226.3
1986232226.3
1987226226.3
1988228226.3
1989244226.3
1990216198.1
1991187198.1
1992139198.1
1994160198.1
1995183198.1
1996229198.1
1997240198.1
1998231198.1
2002227204.4
2003220204.4
2004198204.4
2005214204.4
2006227204.4
2007193204.4
2008152204.4
First to last qualifying date each year at Tanlu For each year, a bar from the first to the last day at Tanlu meeting 30 C (86 F). 1974: 18 January 1974 to 6 December 19741975: 8 January 1975 to 30 November 19751977: 4 January 1977 to 30 December 19771978: 1 January 1978 to 23 December 19781979: 13 January 1979 to 23 December 19791980: 11 January 1980 to 8 December 19801981: 1 February 1981 to 31 December 19811982: 13 January 1982 to 24 December 19821983: 28 January 1983 to 28 December 19831984: 6 January 1984 to 21 December 19841985: 27 January 1985 to 31 December 19851986: 4 January 1986 to 18 December 19861987: 14 January 1987 to 25 December 19871988: 6 January 1988 to 26 December 19881989: 5 January 1989 to 30 December 19891990: 9 January 1990 to 22 December 19901991: 2 January 1991 to 3 December 19911992: 23 January 1992 to 20 December 19921994: 6 January 1994 to 29 November 19941995: 12 January 1995 to 17 December 19951996: 14 January 1996 to 12 December 19961997: 3 January 1997 to 9 December 19971998: 6 January 1998 to 7 December 19982002: 5 January 2002 to 28 December 20022003: 21 January 2003 to 27 November 20032004: 31 January 2004 to 22 December 20042005: 6 January 2005 to 30 December 20052006: 4 January 2006 to 30 November 20062007: 5 January 2007 to 22 December 20072008: 29 January 2008 to 17 November 200819741979198319871991199620032007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tanlu meeting 30 C (86 F).
First to last qualifying date each year at Tanlu
YearFirst dateLast date
19741974-01-181974-12-06
19751975-01-081975-11-30
19771977-01-041977-12-30
19781978-01-011978-12-23
19791979-01-131979-12-23
19801980-01-111980-12-08
19811981-02-011981-12-31
19821982-01-131982-12-24
19831983-01-281983-12-28
19841984-01-061984-12-21
19851985-01-271985-12-31
19861986-01-041986-12-18
19871987-01-141987-12-25
19881988-01-061988-12-26
19891989-01-051989-12-30
19901990-01-091990-12-22
19911991-01-021991-12-03
19921992-01-231992-12-20
19941994-01-061994-11-29
19951995-01-121995-12-17
19961996-01-141996-12-12
19971997-01-031997-12-09
19981998-01-061998-12-07
20022002-01-052002-12-28
20032003-01-212003-11-27
20042004-01-312004-12-22
20052005-01-062005-12-30
20062006-01-042006-11-30
20072007-01-052007-12-22
20082008-01-292008-11-17

Every Fixed Threshold

Fixed thresholds at Tanlu
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days302521985152
35 C (95 F): Days30139198947
40 C (104 F): Days3051199815
45 C (113 F): Days181019841
90 F (32.2 C): Days30196198279
100 F (37.8 C): Days3066199830
110 F (43.3 C): Days251419842
120 F (48.9 C): Days1119981
0 C (32 F): Frost days (min7220042
20 C (68 F): Tropical nights (min292351994176
25 C (77 F): Days with min2982199511
10 mm (0.39 in): Days with 10 mm or more rain3137200819
25 mm (0.98 in): Days with 25 mm or more rain312119815
50 mm (1.97 in): Days with 50 mm or more rain271019813
100 mm (3.94 in): Days with 100 mm or more rain15319741
200 mm (7.87 in): Days with 200 mm or more rain2119751

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1974.

Download the Data

  • Data for Tanlu 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).