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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

La Potosina Threshold Days by Year (MXN00030268)

14 fixed thresholds counted per year at La Potosina (MXN00030268): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for La Potosina Thresholds

  • La Potosina: days with a maximum temperature at or above 30 C (86 F) in 19 years, most in 2003 with 351.
  • La Potosina: days with a maximum temperature at or above 90 F (32.2 C) in 19 years, most in 2006 with 245.
  • La Potosina: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 2008 with 38.
  • La Potosina: days with 25 mm (0.98 in) or more of precipitation in 19 years, most in 2007 with 17.
  • 14 fixed thresholds have at least one qualifying day at La Potosina.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at La Potosina Days per year at La Potosina with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 351 in 2003. 01002003004001975: 1481976: 1241977: 1631978: 2091979: 2151980: 2141981: 2231982: 2351983: 2321985: 2381997: 1362001: 3452002: 2972003: 3512004: 3382005: 3432006: 2902007: 2642008: 2561975197719791981198319972002200420062008
Days per year at La Potosina with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 351 in 2003.
Days at or above 30 C (86 F) per year at La Potosina
YearDaysDecade average
1975148171.8
1976124171.8
1977163171.8
1978209171.8
1979215171.8
1980214228.4
1981223228.4
1982235228.4
1983232228.4
1985238228.4
1997136136
2001345310.5
2002297310.5
2003351310.5
2004338310.5
2005343310.5
2006290310.5
2007264310.5
2008256310.5
First to last qualifying date each year at La Potosina For each year, a bar from the first to the last day at La Potosina meeting 30 C (86 F). 1975: 15 February 1975 to 8 November 19751976: 4 March 1976 to 5 October 19761977: 23 February 1977 to 8 November 19771978: 12 February 1978 to 6 December 19781979: 26 January 1979 to 27 November 19791980: 26 January 1980 to 8 December 19801981: 10 February 1981 to 28 December 19811982: 1 January 1982 to 2 December 19821983: 29 January 1983 to 28 December 19831985: 1 January 1985 to 27 December 19851997: 6 January 1997 to 7 November 19972001: 1 January 2001 to 29 December 20012002: 15 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 20 December 20062007: 14 January 2007 to 22 December 20072008: 7 January 2008 to 27 December 20081975197819811985200220052008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at La Potosina meeting 30 C (86 F).
First to last qualifying date each year at La Potosina
YearFirst dateLast date
19751975-02-151975-11-08
19761976-03-041976-10-05
19771977-02-231977-11-08
19781978-02-121978-12-06
19791979-01-261979-11-27
19801980-01-261980-12-08
19811981-02-101981-12-28
19821982-01-011982-12-02
19831983-01-291983-12-28
19851985-01-011985-12-27
19971997-01-061997-11-07
20012001-01-012001-12-29
20022002-01-152002-12-31
20032003-01-012003-12-31
20042004-01-012004-12-31
20052005-01-012005-12-31
20062006-01-012006-12-20
20072007-01-142007-12-22
20082008-01-072008-12-27

Every Fixed Threshold

Fixed thresholds at La Potosina
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days193512003256
35 C (95 F): Days181582006115
40 C (104 F): Days810200410
45 C (113 F): Days1220082
90 F (32.2 C): Days192452006166
100 F (37.8 C): Days1448200727
110 F (43.3 C): Days5220082
0 C (32 F): Frost days (min2119751
20 C (68 F): Tropical nights (min182542003180
25 C (77 F): Days with min1361198012
10 mm (0.39 in): Days with 10 mm or more rain1938200838
25 mm (0.98 in): Days with 25 mm or more rain1917200711
50 mm (1.97 in): Days with 50 mm or more rain18820074
100 mm (3.94 in): Days with 100 mm or more rain5319811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for La Potosina 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).