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Built 2026-10-19 (19 October 2026)

Valparaiso Threshold Days by Year (MXN00032098)

10 fixed thresholds counted per year at Valparaiso (MXN00032098): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Valparaiso Thresholds

  • Valparaiso: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1994 with 146.
  • Valparaiso: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1998 with 57.
  • Valparaiso: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1979 with 71.
  • Valparaiso: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 2004 with 28.
  • 10 fixed thresholds have at least one qualifying day at Valparaiso.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Valparaiso Days per year at Valparaiso with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 146 in 1994. 0501001501975: 1091976: 971977: 1061978: 1111979: 1141980: 941981: 1091982: 1341983: 791984: 751988: 711989: 921990: 801992: 821993: 921994: 1461995: 1021996: 571997: 1221998: 1421999: 912000: 782001: 702002: 772003: 472004: 392006: 652007: 602009: 962010: 841975197819811984199019941997200020032007
Days per year at Valparaiso with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 146 in 1994.
Days at or above 30 C (86 F) per year at Valparaiso
YearDaysDecade average
1975109107.4
197697107.4
1977106107.4
1978111107.4
1979114107.4
19809493.4
198110993.4
198213493.4
19837993.4
19847593.4
19887193.4
19899293.4
199080101.6
199282101.6
199392101.6
1994146101.6
1995102101.6
199657101.6
1997122101.6
1998142101.6
199991101.6
20007866.5
20017066.5
20027766.5
20034766.5
20043966.5
20066566.5
20076066.5
20099666.5
20108484
First to last qualifying date each year at Valparaiso For each year, a bar from the first to the last day at Valparaiso meeting 30 C (86 F). 1975: 6 March 1975 to 11 November 19751976: 13 February 1976 to 5 October 19761977: 15 March 1977 to 15 October 19771978: 15 March 1978 to 17 September 19781979: 7 April 1979 to 27 October 19791980: 9 March 1980 to 5 October 19801981: 1 April 1981 to 22 October 19811982: 25 February 1982 to 6 October 19821983: 31 March 1983 to 10 October 19831984: 18 March 1984 to 22 November 19841988: 28 February 1988 to 10 November 19881989: 26 February 1989 to 12 November 19891990: 22 March 1990 to 1 October 19901992: 12 April 1992 to 20 September 19921993: 16 March 1993 to 17 October 19931994: 3 March 1994 to 6 November 19941995: 21 March 1995 to 16 November 19951996: 20 February 1996 to 4 November 19961997: 5 March 1997 to 5 November 19971998: 23 February 1998 to 6 October 19981999: 26 March 1999 to 11 October 19992000: 25 March 2000 to 31 October 20002001: 3 April 2001 to 25 October 20012002: 1 April 2002 to 28 August 20022003: 8 March 2003 to 31 May 20032004: 18 March 2004 to 21 October 20042006: 17 February 2006 to 16 July 20062007: 17 March 2007 to 18 October 20072009: 25 February 2009 to 8 October 20092010: 5 April 2010 to 2 November 201019751979198319901995199920032009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Valparaiso meeting 30 C (86 F).
First to last qualifying date each year at Valparaiso
YearFirst dateLast date
19751975-03-061975-11-11
19761976-02-131976-10-05
19771977-03-151977-10-15
19781978-03-151978-09-17
19791979-04-071979-10-27
19801980-03-091980-10-05
19811981-04-011981-10-22
19821982-02-251982-10-06
19831983-03-311983-10-10
19841984-03-181984-11-22
19881988-02-281988-11-10
19891989-02-261989-11-12
19901990-03-221990-10-01
19921992-04-121992-09-20
19931993-03-161993-10-17
19941994-03-031994-11-06
19951995-03-211995-11-16
19961996-02-201996-11-04
19971997-03-051997-11-05
19981998-02-231998-10-06
19991999-03-261999-10-11
20002000-03-252000-10-31
20012001-04-032001-10-25
20022002-04-012002-08-28
20032003-03-082003-05-31
20042004-03-182004-10-21
20062006-02-172006-07-16
20072007-03-172007-10-18
20092009-02-252009-10-08
20102010-04-052010-11-02

Every Fixed Threshold

Fixed thresholds at Valparaiso
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days30146199484
35 C (95 F): Days273419989
90 F (32.2 C): Days3057199834
100 F (37.8 C): Days7519894
0 C (32 F): Frost days (min3071197937
-10 C (14 F): Days with min1519795
20 C (68 F): Tropical nights (min1219892
10 mm (0.39 in): Days with 10 mm or more rain3028200415
25 mm (0.98 in): Days with 25 mm or more rain301019925
50 mm (1.97 in): Days with 50 mm or more rain7119951

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 Valparaiso 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).