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Built 2026-10-19 (19 October 2026)

Solferino Threshold Days by Year (MXN00023023)

12 fixed thresholds counted per year at Solferino (MXN00023023): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Solferino Thresholds

  • Solferino: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1978 with 50.
  • Solferino: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1972 with 21.
  • Solferino: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1978 with 7.
  • Solferino: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1972 with 322.
  • 12 fixed thresholds have at least one qualifying day at Solferino.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Solferino Days per year at Solferino with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 322 in 1972. 01002003004001971: 2971972: 3221973: 2961974: 2691975: 2741976: 2361977: 1091978: 1771979: 1351980: 2101983: 2611985: 2621986: 2881987: 2581988: 2421989: 2731990: 2671991: 2821992: 2661993: 2791994: 3011995: 3031996: 2841997: 2661998: 2941999: 2732000: 2772001: 3142002: 2952003: 2892007: 2912008: 2752009: 2862010: 247197119751979198619901994199820022009
Days per year at Solferino with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 322 in 1972.
Days at or above 30 C (86 F) per year at Solferino
YearDaysDecade average
1971297235
1972322235
1973296235
1974269235
1975274235
1976236235
1977109235
1978177235
1979135235
1980210256.3
1983261256.3
1985262256.3
1986288256.3
1987258256.3
1988242256.3
1989273256.3
1990267281.5
1991282281.5
1992266281.5
1993279281.5
1994301281.5
1995303281.5
1996284281.5
1997266281.5
1998294281.5
1999273281.5
2000277289.6
2001314289.6
2002295289.6
2003289289.6
2007291289.6
2008275289.6
2009286289.6
2010247247
First to last qualifying date each year at Solferino For each year, a bar from the first to the last day at Solferino meeting 30 C (86 F). 1971: 2 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19721973: 2 January 1973 to 31 December 19731974: 1 January 1974 to 27 December 19741975: 5 January 1975 to 3 December 19751976: 25 January 1976 to 31 December 19761977: 6 January 1977 to 31 October 19771978: 7 April 1978 to 31 December 19781979: 4 February 1979 to 22 December 19791980: 16 January 1980 to 4 December 19801983: 22 January 1983 to 29 December 19831985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 30 December 19861987: 9 January 1987 to 28 December 19871988: 9 January 1988 to 31 December 19881989: 1 January 1989 to 31 December 19891990: 1 January 1990 to 30 December 19901991: 1 January 1991 to 13 December 19911992: 13 January 1992 to 27 December 19921993: 3 January 1993 to 29 December 19931994: 1 January 1994 to 31 December 19941995: 3 January 1995 to 30 December 19951996: 1 January 1996 to 30 December 19961997: 1 January 1997 to 26 December 19971998: 4 January 1998 to 29 December 19981999: 1 January 1999 to 21 December 19992000: 4 January 2000 to 27 December 20002001: 7 January 2001 to 31 December 20012002: 1 January 2002 to 24 December 20022003: 10 January 2003 to 31 December 20032007: 1 January 2007 to 31 December 20072008: 1 January 2008 to 29 December 20082009: 1 January 2009 to 31 December 20092010: 19 January 2010 to 31 December 20101971197619831989199419992007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Solferino meeting 30 C (86 F).
First to last qualifying date each year at Solferino
YearFirst dateLast date
19711971-01-021971-12-31
19721972-01-011972-12-31
19731973-01-021973-12-31
19741974-01-011974-12-27
19751975-01-051975-12-03
19761976-01-251976-12-31
19771977-01-061977-10-31
19781978-04-071978-12-31
19791979-02-041979-12-22
19801980-01-161980-12-04
19831983-01-221983-12-29
19851985-01-011985-12-31
19861986-01-011986-12-30
19871987-01-091987-12-28
19881988-01-091988-12-31
19891989-01-011989-12-31
19901990-01-011990-12-30
19911991-01-011991-12-13
19921992-01-131992-12-27
19931993-01-031993-12-29
19941994-01-011994-12-31
19951995-01-031995-12-30
19961996-01-011996-12-30
19971997-01-011997-12-26
19981998-01-041998-12-29
19991999-01-011999-12-21
20002000-01-042000-12-27
20012001-01-072001-12-31
20022002-01-012002-12-24
20032003-01-102003-12-31
20072007-01-012007-12-31
20082008-01-012008-12-29
20092009-01-012009-12-31
20102010-01-192010-12-31

Every Fixed Threshold

Fixed thresholds at Solferino
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days343221972247
35 C (95 F): Days33162200377
40 C (104 F): Days43019972
90 F (32.2 C): Days342532001175
100 F (37.8 C): Days205819977
20 C (68 F): Tropical nights (min342301998109
25 C (77 F): Days with min17619972
10 mm (0.39 in): Days with 10 mm or more rain4050197840
25 mm (0.98 in): Days with 25 mm or more rain4021197219
50 mm (1.97 in): Days with 50 mm or more rain39719787
100 mm (3.94 in): Days with 100 mm or more rain17119742
200 mm (7.87 in): Days with 200 mm or more rain10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Solferino 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).