Built 2026-10-19 (19 October 2026)

Chiautla de Tapia Threshold Days by Year (MXN00021116)

11 fixed thresholds counted per year at Chiautla de Tapia (MXN00021116): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chiautla de Tapia Thresholds

  • Chiautla de Tapia: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1962 with 51.
  • Chiautla de Tapia: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1962 with 19.
  • Chiautla de Tapia: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1962 with 8.
  • Chiautla de Tapia: days with a maximum temperature at or above 30 C (86 F) in 24 years, most in 1930 with 360.
  • 11 fixed thresholds have at least one qualifying day at Chiautla de Tapia.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Chiautla de Tapia Days per year at Chiautla de Tapia with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 360 in 1930. 01002003004001928: 3591929: 3581930: 3601932: 3281934: 3371935: 3361936: 3431937: 3531938: 3491939: 3491940: 3071941: 3201942: 3311943: 3111944: 3131945: 3441946: 3441947: 3211962: 3221963: 3251964: 2581965: 3231990: 3521991: 31419281932193619391942194519621965
Days per year at Chiautla de Tapia with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 360 in 1930.
Days at or above 30 C (86 F) per year at Chiautla de Tapia
YearDaysDecade average
1928359358.5
1929358358.5
1930360344.4
1932328344.4
1934337344.4
1935336344.4
1936343344.4
1937353344.4
1938349344.4
1939349344.4
1940307323.9
1941320323.9
1942331323.9
1943311323.9
1944313323.9
1945344323.9
1946344323.9
1947321323.9
1962322307
1963325307
1964258307
1965323307
1990352333
1991314333
First to last qualifying date each year at Chiautla de Tapia For each year, a bar from the first to the last day at Chiautla de Tapia meeting 30 C (86 F). 1928: 1 January 1928 to 31 December 19281929: 1 January 1929 to 31 December 19291930: 1 January 1930 to 31 December 19301932: 1 January 1932 to 30 December 19321934: 1 January 1934 to 30 December 19341935: 1 January 1935 to 31 December 19351936: 1 January 1936 to 31 December 19361937: 1 January 1937 to 31 December 19371938: 1 January 1938 to 31 December 19381939: 1 January 1939 to 30 December 19391940: 3 January 1940 to 31 December 19401941: 1 January 1941 to 31 December 19411942: 1 January 1942 to 27 December 19421943: 2 January 1943 to 31 December 19431944: 4 January 1944 to 31 December 19441945: 1 January 1945 to 31 December 19451946: 1 January 1946 to 31 December 19461947: 1 January 1947 to 31 December 19471962: 2 January 1962 to 31 December 19621963: 2 January 1963 to 29 December 19631964: 1 January 1964 to 6 November 19641965: 14 January 1965 to 30 December 19651990: 1 January 1990 to 31 December 19901991: 1 January 1991 to 24 December 199119281932193619391942194519621965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chiautla de Tapia meeting 30 C (86 F).
First to last qualifying date each year at Chiautla de Tapia
YearFirst dateLast date
19281928-01-011928-12-31
19291929-01-011929-12-31
19301930-01-011930-12-31
19321932-01-011932-12-30
19341934-01-011934-12-30
19351935-01-011935-12-31
19361936-01-011936-12-31
19371937-01-011937-12-31
19381938-01-011938-12-31
19391939-01-011939-12-30
19401940-01-031940-12-31
19411941-01-011941-12-31
19421942-01-011942-12-27
19431943-01-021943-12-31
19441944-01-041944-12-31
19451945-01-011945-12-31
19461946-01-011946-12-31
19471947-01-011947-12-31
19621962-01-021962-12-31
19631963-01-021963-12-29
19641964-01-011964-11-06
19651965-01-141965-12-30
19901990-01-011990-12-31
19911991-01-011991-12-24

Every Fixed Threshold

Fixed thresholds at Chiautla de Tapia
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days243601930314
35 C (95 F): Days242071928143
40 C (104 F): Days2236194122
90 F (32.2 C): Days243201928203
100 F (37.8 C): Days2481199181
0 C (32 F): Frost days (min1119431
20 C (68 F): Tropical nights (min161371990130
25 C (77 F): Days with min3319913
10 mm (0.39 in): Days with 10 mm or more rain3951196215
25 mm (0.98 in): Days with 25 mm or more rain371919624
50 mm (1.97 in): Days with 50 mm or more rain27819625

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1928.

Download the Data

  • Data for Chiautla de Tapia 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).