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

Sihuapan Threshold Days by Year (MXN00030302)

12 fixed thresholds counted per year at Sihuapan (MXN00030302): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sihuapan Thresholds

  • Sihuapan: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 2007 with 297.
  • Sihuapan: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 2007 with 220.
  • Sihuapan: nights with a minimum temperature at or above 20 C (68 F) in 31 years, most in 2006 with 222.
  • Sihuapan: days with a maximum temperature at or above 35 C (95 F) in 30 years, most in 2007 with 115.
  • 12 fixed thresholds have at least one qualifying day at Sihuapan.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Sihuapan Days per year at Sihuapan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 297 in 2007. 01002003001977: 1541979: 1001980: 1211981: 741982: 951983: 1241984: 731985: 1421989: 971990: 1091991: 1561992: 881993: 1441994: 1891995: 1571996: 1631997: 1761998: 1881999: 1582000: 2172001: 2442002: 2512003: 2542004: 2572005: 2812006: 2772007: 2972008: 2292009: 2532010: 2192011: 22319771982198919931997200120052009
Days per year at Sihuapan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 297 in 2007.
Days at or above 30 C (86 F) per year at Sihuapan
YearDaysDecade average
1977154127
1979100127
1980121103.7
198174103.7
198295103.7
1983124103.7
198473103.7
1985142103.7
198997103.7
1990109152.8
1991156152.8
199288152.8
1993144152.8
1994189152.8
1995157152.8
1996163152.8
1997176152.8
1998188152.8
1999158152.8
2000217256
2001244256
2002251256
2003254256
2004257256
2005281256
2006277256
2007297256
2008229256
2009253256
2010219221
2011223221
First to last qualifying date each year at Sihuapan For each year, a bar from the first to the last day at Sihuapan meeting 30 C (86 F). 1977: 23 February 1977 to 19 December 19771979: 7 January 1979 to 9 November 19791980: 16 February 1980 to 28 October 19801981: 10 February 1981 to 28 December 19811982: 18 February 1982 to 4 December 19821983: 31 January 1983 to 13 December 19831984: 26 February 1984 to 29 October 19841985: 31 January 1985 to 12 December 19851989: 7 January 1989 to 31 December 19891990: 2 February 1990 to 18 December 19901991: 28 January 1991 to 19 November 19911992: 13 January 1992 to 22 December 19921993: 8 January 1993 to 20 December 19931994: 6 January 1994 to 28 November 19941995: 18 January 1995 to 18 December 19951996: 18 January 1996 to 24 November 19961997: 4 January 1997 to 24 December 19971998: 6 January 1998 to 10 November 19981999: 2 January 1999 to 20 December 19992000: 3 January 2000 to 16 December 20002001: 7 January 2001 to 30 December 20012002: 16 January 2002 to 24 December 20022003: 3 February 2003 to 28 December 20032004: 3 January 2004 to 22 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062007: 4 January 2007 to 30 December 20072008: 7 January 2008 to 27 December 20082009: 6 January 2009 to 25 December 20092010: 20 January 2010 to 31 December 20102011: 1 January 2011 to 16 November 201119771982198919931997200120052009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sihuapan meeting 30 C (86 F).
First to last qualifying date each year at Sihuapan
YearFirst dateLast date
19771977-02-231977-12-19
19791979-01-071979-11-09
19801980-02-161980-10-28
19811981-02-101981-12-28
19821982-02-181982-12-04
19831983-01-311983-12-13
19841984-02-261984-10-29
19851985-01-311985-12-12
19891989-01-071989-12-31
19901990-02-021990-12-18
19911991-01-281991-11-19
19921992-01-131992-12-22
19931993-01-081993-12-20
19941994-01-061994-11-28
19951995-01-181995-12-18
19961996-01-181996-11-24
19971997-01-041997-12-24
19981998-01-061998-11-10
19991999-01-021999-12-20
20002000-01-032000-12-16
20012001-01-072001-12-30
20022002-01-162002-12-24
20032003-02-032003-12-28
20042004-01-032004-12-22
20052005-01-012005-12-31
20062006-01-012006-12-31
20072007-01-042007-12-30
20082008-01-072008-12-27
20092009-01-062009-12-25
20102010-01-202010-12-31
20112011-01-012011-11-16

Every Fixed Threshold

Fixed thresholds at Sihuapan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days312972007223
35 C (95 F): Days30115200799
40 C (104 F): Days111220056
90 F (32.2 C): Days312202007157
100 F (37.8 C): Days1937201137
20 C (68 F): Tropical nights (min312222006149
25 C (77 F): Days with min1212201112
10 mm (0.39 in): Days with 10 mm or more rain3062198137
25 mm (0.98 in): Days with 25 mm or more rain3033200123
50 mm (1.97 in): Days with 50 mm or more rain301619999
100 mm (3.94 in): Days with 100 mm or more rain24519842
200 mm (7.87 in): Days with 200 mm or more rain8219801

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for Sihuapan 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).