Atlacomulco I (Dge) Threshold Days by Year (MXN00015139)

7 fixed thresholds counted per year at Atlacomulco I (Dge) (MXN00015139): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Atlacomulco I (Dge) Thresholds

Atlacomulco I (Dge): nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1971 with 110.
Atlacomulco I (Dge): days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1971 with 43.
Atlacomulco I (Dge): days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1966 with 8.
Atlacomulco I (Dge): days with a maximum temperature at or above 30 C (86 F) in 14 years, most in 1979 with 11.
7 fixed thresholds have at least one qualifying day at Atlacomulco I (Dge).

Days at or above 30 C (86 F)

14 years with a qualifying day

Days per year at Atlacomulco I (Dge) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 11 in 1979.

Days at or above 30 C (86 F) per year at Atlacomulco I (Dge)
Year	Days	Decade average
1961	1	1.5
1964	2	1.5
1970	1	4.6
1971	3	4.6
1973	2	4.6
1975	1	4.6
1977	4	4.6
1978	10	4.6
1979	11	4.6
1980	6	4.2
1982	4	4.2
1983	8	4.2
1988	2	4.2
1989	1	4.2

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

First to last qualifying date each year at Atlacomulco I (Dge)
Year	First date	Last date
1961	1961-05-14	1961-05-14
1964	1964-05-02	1964-05-03
1970	1970-04-29	1970-04-29
1971	1971-04-26	1971-04-30
1973	1973-04-21	1973-04-22
1975	1975-04-25	1975-04-25
1977	1977-03-17	1977-03-31
1978	1978-04-16	1978-05-12
1979	1979-03-29	1979-05-11
1980	1980-03-09	1980-04-02
1982	1982-03-30	1982-04-02
1983	1983-04-30	1983-06-02
1988	1988-04-23	1988-04-28
1989	1989-06-07	1989-06-07

Every Fixed Threshold

Fixed thresholds at Atlacomulco I (Dge)
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	14	11	1979	1
90 F (32.2 C): Days	1	2	1978	2
0 C (32 F): Frost days (min	30	110	1971	33
-10 C (14 F): Days with min	4	4	1988	4
10 mm (0.39 in): Days with 10 mm or more rain	30	43	1971	38
25 mm (0.98 in): Days with 25 mm or more rain	30	8	1966	2
50 mm (1.97 in): Days with 50 mm or more rain	9	1	1961	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

Data for Atlacomulco I (Dge) 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).

Atlacomulco I (Dge) Threshold Days by Year (MXN00015139)

Key Facts for Atlacomulco I (Dge) Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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