San Gabriel Threshold Days by Year (MXN00017032)

13 fixed thresholds counted per year at San Gabriel (MXN00017032): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Gabriel Thresholds

San Gabriel: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1963 with 94.
San Gabriel: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1963 with 52.
San Gabriel: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 1954 with 365.
San Gabriel: days with a maximum temperature at or above 35 C (95 F) in 36 years, most in 1954 with 352.
13 fixed thresholds have at least one qualifying day at San Gabriel.

Days at or above 30 C (86 F)

36 years with a qualifying day

Days per year at San Gabriel with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 1954.

Days at or above 30 C (86 F) per year at San Gabriel
Year	Days	Decade average
1931	306	325.1
1932	324	325.1
1933	342	325.1
1934	292	325.1
1935	354	325.1
1936	311	325.1
1937	338	325.1
1939	334	325.1
1940	288	333.9
1942	358	333.9
1943	319	333.9
1944	353	333.9
1945	344	333.9
1946	347	333.9
1947	318	333.9
1948	352	333.9
1949	326	333.9
1950	286	341.2
1951	331	341.2
1952	341	341.2
1953	329	341.2
1954	365	341.2
1955	363	341.2
1956	363	341.2
1957	354	341.2
1958	332	341.2
1959	348	341.2
1960	343	336
1961	352	336
1962	340	336
1963	318	336
1964	330	336
1965	321	336
1966	311	336
1967	345	336
1968	364	336

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

First to last qualifying date each year at San Gabriel
Year	First date	Last date
1931	1931-01-01	1931-12-14
1932	1932-01-01	1932-12-30
1933	1933-01-01	1933-12-31
1934	1934-01-01	1934-11-30
1935	1935-01-01	1935-12-31
1936	1936-01-01	1936-11-13
1937	1937-01-01	1937-12-31
1939	1939-01-01	1939-11-30
1940	1940-01-01	1940-11-30
1942	1942-01-01	1942-12-31
1943	1943-01-01	1943-12-31
1944	1944-01-01	1944-12-31
1945	1945-01-01	1945-12-31
1946	1946-01-01	1946-12-31
1947	1947-01-01	1947-12-31
1948	1948-01-01	1948-12-30
1949	1949-01-01	1949-12-28
1950	1950-01-03	1950-12-30
1951	1951-01-01	1951-12-28
1952	1952-01-01	1952-12-26
1953	1953-01-13	1953-12-31
1954	1954-01-01	1954-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-23
1959	1959-01-01	1959-12-31
1960	1960-01-01	1960-12-29
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-29
1963	1963-01-03	1963-12-21
1964	1964-01-16	1964-12-30
1965	1965-01-09	1965-12-30
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-30
1968	1968-01-01	1968-12-31

Every Fixed Threshold

Fixed thresholds at San Gabriel
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	36	365	1954	364
35 C (95 F): Days	36	352	1954	71
40 C (104 F): Days	28	72	1954	9
45 C (113 F): Days	1	1	1935	1
90 F (32.2 C): Days	36	364	1954	266
100 F (37.8 C): Days	32	283	1957	53
110 F (43.3 C): Days	3	4	1933	1
20 C (68 F): Tropical nights (min	20	88	1937	6
25 C (77 F): Days with min	4	2	1932	1
10 mm (0.39 in): Days with 10 mm or more rain	37	94	1963	54
25 mm (0.98 in): Days with 25 mm or more rain	37	52	1963	25
50 mm (1.97 in): Days with 50 mm or more rain	34	11	1967	1
100 mm (3.94 in): Days with 100 mm or more rain	1	2	1967	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

Data for San Gabriel 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).

San Gabriel Threshold Days by Year (MXN00017032)

Key Facts for San Gabriel Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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