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Built 2026-10-19 (19 October 2026)

Palo Verde Threshold Days by Year (MXN00026066)

14 fixed thresholds counted per year at Palo Verde (MXN00026066): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Palo Verde Thresholds

  • Palo Verde: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1969 with 284.
  • Palo Verde: days with a maximum temperature at or above 35 C (95 F) in 28 years, most in 1967 with 201.
  • Palo Verde: days with a maximum temperature at or above 40 C (104 F) in 28 years, most in 1967 with 108.
  • Palo Verde: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 1967 with 236.
  • 14 fixed thresholds have at least one qualifying day at Palo Verde.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Palo Verde Days per year at Palo Verde with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 284 in 1969. 01002003001964: 2161967: 2791968: 2761969: 2841970: 2311971: 2241972: 2261973: 2091974: 2001975: 1981976: 1741977: 2261978: 2141979: 2071980: 2231981: 2491982: 2311983: 2191984: 2111985: 2141986: 2351987: 1851988: 2141990: 2171991: 1941992: 2121993: 2222011: 2331964196919721975197819811984198719912011
Days per year at Palo Verde with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 284 in 1969.
Days at or above 30 C (86 F) per year at Palo Verde
YearDaysDecade average
1964216263.8
1967279263.8
1968276263.8
1969284263.8
1970231210.9
1971224210.9
1972226210.9
1973209210.9
1974200210.9
1975198210.9
1976174210.9
1977226210.9
1978214210.9
1979207210.9
1980223220.1
1981249220.1
1982231220.1
1983219220.1
1984211220.1
1985214220.1
1986235220.1
1987185220.1
1988214220.1
1990217211.3
1991194211.3
1992212211.3
1993222211.3
2011233233
First to last qualifying date each year at Palo Verde For each year, a bar from the first to the last day at Palo Verde meeting 30 C (86 F). 1964: 2 January 1964 to 27 December 19641967: 12 January 1967 to 21 November 19671968: 3 February 1968 to 16 December 19681969: 7 January 1969 to 26 November 19691970: 23 January 1970 to 6 December 19701971: 16 January 1971 to 25 December 19711972: 17 February 1972 to 26 December 19721973: 5 February 1973 to 10 December 19731974: 27 February 1974 to 25 October 19741975: 1 March 1975 to 27 November 19751976: 20 January 1976 to 7 November 19761977: 5 April 1977 to 23 December 19771978: 3 February 1978 to 9 November 19781979: 7 April 1979 to 18 December 19791980: 2 February 1980 to 29 December 19801981: 1 January 1981 to 20 December 19811982: 26 January 1982 to 7 November 19821983: 9 January 1983 to 17 November 19831984: 16 February 1984 to 13 November 19841985: 14 February 1985 to 9 November 19851986: 11 January 1986 to 28 November 19861987: 26 January 1987 to 21 November 19871988: 11 February 1988 to 14 November 19881990: 24 February 1990 to 10 December 19901991: 6 February 1991 to 28 November 19911992: 23 February 1992 to 17 November 19921993: 8 March 1993 to 11 November 19932011: 14 January 2011 to 31 December 20111964197019741978198219861991JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Palo Verde meeting 30 C (86 F).
First to last qualifying date each year at Palo Verde
YearFirst dateLast date
19641964-01-021964-12-27
19671967-01-121967-11-21
19681968-02-031968-12-16
19691969-01-071969-11-26
19701970-01-231970-12-06
19711971-01-161971-12-25
19721972-02-171972-12-26
19731973-02-051973-12-10
19741974-02-271974-10-25
19751975-03-011975-11-27
19761976-01-201976-11-07
19771977-04-051977-12-23
19781978-02-031978-11-09
19791979-04-071979-12-18
19801980-02-021980-12-29
19811981-01-011981-12-20
19821982-01-261982-11-07
19831983-01-091983-11-17
19841984-02-161984-11-13
19851985-02-141985-11-09
19861986-01-111986-11-28
19871987-01-261987-11-21
19881988-02-111988-11-14
19901990-02-241990-12-10
19911991-02-061991-11-28
19921992-02-231992-11-17
19931993-03-081993-11-11
20112011-01-142011-12-31

Every Fixed Threshold

Fixed thresholds at Palo Verde
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days282841969233
35 C (95 F): Days282011967167
40 C (104 F): Days28108196787
45 C (113 F): Days92419674
90 F (32.2 C): Days282361967202
100 F (37.8 C): Days281441964130
110 F (43.3 C): Days154419676
120 F (48.9 C): Days1119671
0 C (32 F): Frost days (min2222201122
20 C (68 F): Tropical nights (min28119196497
25 C (77 F): Days with min2863198128
10 mm (0.39 in): Days with 10 mm or more rain281219781
25 mm (0.98 in): Days with 25 mm or more rain25519751
50 mm (1.97 in): Days with 50 mm or more rain9219751

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Palo Verde 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).