Chilapa (Smn) Threshold Days by Year (MXN00012032)

10 fixed thresholds counted per year at Chilapa (Smn) (MXN00012032): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chilapa (Smn) Thresholds

Chilapa (Smn): days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 1997 with 85.
Chilapa (Smn): days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1998 with 45.
Chilapa (Smn): days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1998 with 26.
Chilapa (Smn): days with a maximum temperature at or above 30 C (86 F) in 6 years, most in 1997 with 330.
10 fixed thresholds have at least one qualifying day at Chilapa (Smn).

Days at or above 30 C (86 F)

6 years with a qualifying day

Days per year at Chilapa (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 330 in 1997.

For each year, a bar from the first to the last day at Chilapa (Smn) meeting 30 C (86 F).

First to last qualifying date each year at Chilapa (Smn)
Year	First date	Last date
1993	1993-01-12	1993-10-12
1994	1994-01-17	1994-12-22
1997	1997-01-01	1997-12-31
1998	1998-01-02	1998-11-23
1999	1999-01-30	1999-09-25
2001	2001-02-01	2001-08-21

Every Fixed Threshold

Fixed thresholds at Chilapa (Smn)
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	6	330	1997	117
35 C (95 F): Days	5	181	1997	20
40 C (104 F): Days	3	71	1998	71
90 F (32.2 C): Days	6	234	1997	7
100 F (37.8 C): Days	4	111	1997	103
0 C (32 F): Frost days (min	1	3	1998	3
20 C (68 F): Tropical nights (min	5	14	1994	3
10 mm (0.39 in): Days with 10 mm or more rain	13	85	1997	69
25 mm (0.98 in): Days with 25 mm or more rain	13	45	1998	33
50 mm (1.97 in): Days with 50 mm or more rain	7	26	1998	8

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

Data for Chilapa (Smn) 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Chilapa (Smn) Threshold Days by Year (MXN00012032)

Key Facts for Chilapa (Smn) Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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