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

Llano Grande Threshold Days by Year (MXN00014091)

9 fixed thresholds counted per year at Llano Grande (MXN00014091): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Llano Grande Thresholds

  • Llano Grande: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1959 with 70.
  • Llano Grande: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1959 with 35.
  • Llano Grande: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1963 with 14.
  • Llano Grande: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1970 with 3.
  • 9 fixed thresholds have at least one qualifying day at Llano Grande.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Llano Grande Days per year at Llano Grande with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 328 in 1972. 01002003004001972: 3281973: 2831977: 2951978: 2501972197319771978
Days per year at Llano Grande with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 328 in 1972.
Days at or above 30 C (86 F) per year at Llano Grande
YearDaysDecade average
1972328289
1973283289
1977295289
1978250289
First to last qualifying date each year at Llano Grande For each year, a bar from the first to the last day at Llano Grande meeting 30 C (86 F). 1972: 1 January 1972 to 28 December 19721973: 6 January 1973 to 30 December 19731977: 3 January 1977 to 28 December 19771978: 7 January 1978 to 16 November 19781972197319771978JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Llano Grande meeting 30 C (86 F).
First to last qualifying date each year at Llano Grande
YearFirst dateLast date
19721972-01-011972-12-28
19731973-01-061973-12-30
19771977-01-031977-12-28
19781978-01-071978-11-16

Every Fixed Threshold

Fixed thresholds at Llano Grande
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days43281972250
35 C (95 F): Days485197249
90 F (32.2 C): Days41821972117
100 F (37.8 C): Days413197210
20 C (68 F): Tropical nights (min4178197291
10 mm (0.39 in): Days with 10 mm or more rain1770195935
25 mm (0.98 in): Days with 25 mm or more rain1735195916
50 mm (1.97 in): Days with 50 mm or more rain171419634
100 mm (3.94 in): Days with 100 mm or more rain5319701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.

Download the Data

  • Data for Llano Grande 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).