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Built 2026-10-19 (19 October 2026)

Niltepec Threshold Days by Year (MXN00020290)

13 fixed thresholds counted per year at Niltepec (MXN00020290): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Niltepec Thresholds

  • Niltepec: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1984 with 41.
  • Niltepec: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1993 with 25.
  • Niltepec: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1988 with 11.
  • Niltepec: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 1992 with 358.
  • 13 fixed thresholds have at least one qualifying day at Niltepec.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Niltepec Days per year at Niltepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 358 in 1992. 01002003004001979: 3381980: 3461981: 3461982: 3541983: 3571984: 3451985: 3481986: 3471987: 3551988: 3221990: 3421992: 3581993: 3281994: 3272001: 3442002: 3322003: 3412004: 3442005: 3552006: 3472007: 3391979198219851988199320022005
Days per year at Niltepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 358 in 1992.
Days at or above 30 C (86 F) per year at Niltepec
YearDaysDecade average
1979338338
1980346346.7
1981346346.7
1982354346.7
1983357346.7
1984345346.7
1985348346.7
1986347346.7
1987355346.7
1988322346.7
1990342338.8
1992358338.8
1993328338.8
1994327338.8
2001344343.1
2002332343.1
2003341343.1
2004344343.1
2005355343.1
2006347343.1
2007339343.1
First to last qualifying date each year at Niltepec For each year, a bar from the first to the last day at Niltepec meeting 30 C (86 F). 1979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831984: 1 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 31 December 19861987: 1 January 1987 to 31 December 19871988: 1 January 1988 to 15 December 19881990: 2 January 1990 to 30 December 19901992: 1 January 1992 to 31 December 19921993: 1 January 1993 to 31 December 19931994: 1 January 1994 to 3 December 19942001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 31 December 20022003: 1 January 2003 to 31 December 20032004: 1 January 2004 to 31 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062007: 1 January 2007 to 31 December 20071979198219851988199320022005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Niltepec meeting 30 C (86 F).
First to last qualifying date each year at Niltepec
YearFirst dateLast date
19791979-01-011979-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31
19841984-01-011984-12-31
19851985-01-011985-12-31
19861986-01-011986-12-31
19871987-01-011987-12-31
19881988-01-011988-12-15
19901990-01-021990-12-30
19921992-01-011992-12-31
19931993-01-011993-12-31
19941994-01-011994-12-03
20012001-01-012001-12-31
20022002-01-012002-12-31
20032003-01-012003-12-31
20042004-01-012004-12-31
20052005-01-012005-12-31
20062006-01-012006-12-31
20072007-01-012007-12-31

Every Fixed Threshold

Fixed thresholds at Niltepec
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days213581992339
35 C (95 F): Days212761990196
40 C (104 F): Days204419817
90 F (32.2 C): Days213401992299
100 F (37.8 C): Days21109198355
110 F (43.3 C): Days1119931
20 C (68 F): Tropical nights (min213281992295
25 C (77 F): Days with min21131199412
10 mm (0.39 in): Days with 10 mm or more rain2241198435
25 mm (0.98 in): Days with 25 mm or more rain2225199317
50 mm (1.97 in): Days with 50 mm or more rain221119888
100 mm (3.94 in): Days with 100 mm or more rain9319801
200 mm (7.87 in): Days with 200 mm or more rain1119931

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1979.

Download the Data

  • Data for Niltepec 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).