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

Las Mesas Threshold Days by Year (MXN00011037)

8 fixed thresholds counted per year at Las Mesas (MXN00011037): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Las Mesas Thresholds

  • Las Mesas: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1971 with 41.
  • Las Mesas: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1969 with 17.
  • Las Mesas: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1966 with 15.
  • Las Mesas: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1990 with 41.
  • 8 fixed thresholds have at least one qualifying day at Las Mesas.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Las Mesas Days per year at Las Mesas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 1990. 02040601962: 21964: 111966: 61967: 61968: 61969: 151970: 161971: 101972: 101973: 71975: 91977: 11982: 21983: 251984: 11986: 41989: 321990: 41196219661968197019721975198219841989
Days per year at Las Mesas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 1990.
Days at or above 30 C (86 F) per year at Las Mesas
YearDaysDecade average
196227.7
1964117.7
196667.7
196767.7
196867.7
1969157.7
1970168.8
1971108.8
1972108.8
197378.8
197598.8
197718.8
1982212.8
19832512.8
1984112.8
1986412.8
19893212.8
19904141
First to last qualifying date each year at Las Mesas For each year, a bar from the first to the last day at Las Mesas meeting 30 C (86 F). 1962: 21 April 1962 to 10 September 19621964: 6 April 1964 to 6 May 19641966: 27 April 1966 to 23 May 19661967: 8 May 1967 to 13 May 19671968: 27 May 1968 to 14 June 19681969: 15 April 1969 to 22 June 19691970: 22 March 1970 to 12 June 19701971: 20 April 1971 to 24 May 19711972: 7 April 1972 to 23 May 19721973: 1 April 1973 to 3 June 19731975: 13 April 1975 to 9 May 19751977: 31 March 1977 to 31 March 19771982: 31 March 1982 to 3 June 19821983: 19 April 1983 to 17 July 19831984: 28 April 1984 to 28 April 19841986: 12 April 1986 to 17 May 19861989: 7 January 1989 to 1 July 19891990: 4 March 1990 to 3 October 1990196219671970197319821986JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Las Mesas meeting 30 C (86 F).
First to last qualifying date each year at Las Mesas
YearFirst dateLast date
19621962-04-211962-09-10
19641964-04-061964-05-06
19661966-04-271966-05-23
19671967-05-081967-05-13
19681968-05-271968-06-14
19691969-04-151969-06-22
19701970-03-221970-06-12
19711971-04-201971-05-24
19721972-04-071972-05-23
19731973-04-011973-06-03
19751975-04-131975-05-09
19771977-03-311977-03-31
19821982-03-311982-06-03
19831983-04-191983-07-17
19841984-04-281984-04-28
19861986-04-121986-05-17
19891989-01-071989-07-01
19901990-03-041990-10-03

Every Fixed Threshold

Fixed thresholds at Las Mesas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1841199041
35 C (95 F): Days3119691
90 F (32.2 C): Days91619892
100 F (37.8 C): Days1119701
0 C (32 F): Frost days (min221519663
10 mm (0.39 in): Days with 10 mm or more rain244119712
25 mm (0.98 in): Days with 25 mm or more rain231719691
50 mm (1.97 in): Days with 50 mm or more rain13619691

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for Las Mesas 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).