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Built 2026-10-19 (19 October 2026)

Tlamaya Threshold Days by Year (MXN00024125)

13 fixed thresholds counted per year at Tlamaya (MXN00024125): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tlamaya Thresholds

  • Tlamaya: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1991 with 101.
  • Tlamaya: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1991 with 60.
  • Tlamaya: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1991 with 32.
  • Tlamaya: days with 100 mm (3.94 in) or more of precipitation in 31 years, most in 2008 with 16.
  • 13 fixed thresholds have at least one qualifying day at Tlamaya.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Tlamaya Days per year at Tlamaya with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 229 in 2000. 01002003001973: 961974: 861975: 941976: 781977: 1281978: 1221979: 1381980: 1751981: 1041982: 1471983: 1211984: 921985: 751986: 1361987: 1191988: 1251989: 2111991: 1781992: 1082000: 2292001: 1462002: 1752003: 1602004: 2092005: 2022006: 1262007: 1282008: 1212009: 1692010: 1071973197619791982198519881992200220052008
Days per year at Tlamaya with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 229 in 2000.
Days at or above 30 C (86 F) per year at Tlamaya
YearDaysDecade average
197396106
197486106
197594106
197678106
1977128106
1978122106
1979138106
1980175130.5
1981104130.5
1982147130.5
1983121130.5
198492130.5
198575130.5
1986136130.5
1987119130.5
1988125130.5
1989211130.5
1991178143
1992108143
2000229166.5
2001146166.5
2002175166.5
2003160166.5
2004209166.5
2005202166.5
2006126166.5
2007128166.5
2008121166.5
2009169166.5
2010107107
First to last qualifying date each year at Tlamaya For each year, a bar from the first to the last day at Tlamaya meeting 30 C (86 F). 1973: 13 February 1973 to 31 December 19731974: 6 February 1974 to 13 September 19741975: 15 February 1975 to 26 November 19751976: 18 February 1976 to 28 December 19761977: 9 January 1977 to 19 December 19771978: 12 February 1978 to 20 December 19781979: 13 January 1979 to 10 November 19791980: 11 January 1980 to 8 November 19801981: 10 February 1981 to 24 December 19811982: 3 January 1982 to 24 December 19821983: 4 March 1983 to 28 December 19831984: 15 February 1984 to 21 October 19841985: 30 January 1985 to 30 November 19851986: 5 February 1986 to 23 October 19861987: 21 March 1987 to 14 December 19871988: 17 January 1988 to 27 November 19881989: 20 February 1989 to 11 December 19891991: 2 January 1991 to 5 December 19911992: 8 March 1992 to 21 December 19922000: 10 January 2000 to 12 November 20002001: 16 February 2001 to 26 November 20012002: 1 March 2002 to 11 November 20022003: 15 February 2003 to 27 November 20032004: 4 January 2004 to 23 December 20042005: 1 February 2005 to 13 November 20052006: 3 February 2006 to 25 December 20062007: 24 February 2007 to 18 October 20072008: 10 January 2008 to 9 December 20082009: 14 February 2009 to 9 December 20092010: 20 January 2010 to 25 October 201019731977198119851989200120052009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tlamaya meeting 30 C (86 F).
First to last qualifying date each year at Tlamaya
YearFirst dateLast date
19731973-02-131973-12-31
19741974-02-061974-09-13
19751975-02-151975-11-26
19761976-02-181976-12-28
19771977-01-091977-12-19
19781978-02-121978-12-20
19791979-01-131979-11-10
19801980-01-111980-11-08
19811981-02-101981-12-24
19821982-01-031982-12-24
19831983-03-041983-12-28
19841984-02-151984-10-21
19851985-01-301985-11-30
19861986-02-051986-10-23
19871987-03-211987-12-14
19881988-01-171988-11-27
19891989-02-201989-12-11
19911991-01-021991-12-05
19921992-03-081992-12-21
20002000-01-102000-11-12
20012001-02-162001-11-26
20022002-03-012002-11-11
20032003-02-152003-11-27
20042004-01-042004-12-23
20052005-02-012005-11-13
20062006-02-032006-12-25
20072007-02-242007-10-18
20082008-01-102008-12-09
20092009-02-142009-12-09
20102010-01-202010-10-25

Every Fixed Threshold

Fixed thresholds at Tlamaya
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days302292000107
35 C (95 F): Days2934200313
40 C (104 F): Days7519841
90 F (32.2 C): Days3091200332
100 F (37.8 C): Days19919842
0 C (32 F): Frost days (min3219832
20 C (68 F): Tropical nights (min29101198680
25 C (77 F): Days with min3219811
10 mm (0.39 in): Days with 10 mm or more rain35101199178
25 mm (0.98 in): Days with 25 mm or more rain3560199138
50 mm (1.97 in): Days with 50 mm or more rain3532199120
100 mm (3.94 in): Days with 100 mm or more rain3116200812
200 mm (7.87 in): Days with 200 mm or more rain8219751

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Tlamaya 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).