La Monte Threshold Days by Year (USC00234722)

20 fixed thresholds counted per year at La Monte (USC00234722): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for La Monte Thresholds

La Monte: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1927 with 47.
La Monte: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1926 with 19.
La Monte: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1905 with 7.
La Monte: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1912 with 130.
20 fixed thresholds have at least one qualifying day at La Monte.

Days at or above 30 C (86 F)

27 years with a qualifying day

Days per year at La Monte with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 108 in 1911.

Days at or above 30 C (86 F) per year at La Monte
Year	Days	Decade average
1908	75	80.5
1909	86	80.5
1910	69	78.3
1911	108	78.3
1912	82	78.3
1913	98	78.3
1914	89	78.3
1915	50	78.3
1916	70	78.3
1917	59	78.3
1918	81	78.3
1919	77	78.3
1921	98	86.7
1922	100	86.7
1923	76	86.7
1924	73	86.7
1925	104	86.7
1926	86	86.7
1927	86	86.7
1928	81	86.7
1929	76	86.7
1930	86	95
1931	92	95
1933	105	95
1934	105	95
1935	78	95
1936	104	95

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

First to last qualifying date each year at La Monte
Year	First date	Last date
1908	1908-05-15	1908-10-17
1909	1909-05-28	1909-10-07
1910	1910-03-22	1910-10-16
1911	1911-04-29	1911-10-03
1912	1912-05-02	1912-10-09
1913	1913-05-13	1913-10-12
1914	1914-05-23	1914-09-16
1915	1915-04-17	1915-09-27
1916	1916-05-07	1916-10-07
1917	1917-05-18	1917-09-18
1918	1918-03-13	1918-10-05
1919	1919-06-09	1919-10-09
1921	1921-05-19	1921-10-24
1922	1922-05-10	1922-10-27
1923	1923-05-30	1923-09-29
1924	1924-05-04	1924-10-20
1925	1925-04-12	1925-09-30
1926	1926-05-17	1926-09-23
1927	1927-04-28	1927-10-28
1928	1928-03-25	1928-10-15
1929	1929-03-24	1929-09-28
1930	1930-04-09	1930-09-25
1931	1931-05-16	1931-10-10
1933	1933-05-11	1933-09-30
1934	1934-05-07	1934-10-12
1935	1935-06-10	1935-10-16
1936	1936-04-13	1936-09-22

Every Fixed Threshold

Fixed thresholds at La Monte
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	27	108	1911	104
35 C (95 F): Days	26	71	1936	71
40 C (104 F): Days	12	33	1934	29
45 C (113 F): Days	2	1	1934	1
90 F (32.2 C): Days	27	89	1936	89
100 F (37.8 C): Days	21	51	1936	51
110 F (43.3 C): Days	5	7	1934	5
0 C (32 F): Ice days (max	27	35	1912	29
0 C (32 F): Frost days (min	28	130	1912	119
-10 C (14 F): Days with min	28	45	1929	34
-20 C (-4 F): Days with min	21	19	1936	19
-30 C (-22 F): Days with min	3	2	1912	1
20 C (68 F): Tropical nights (min	28	63	1921	59
25 C (77 F): Days with min	14	13	1936	13
10 mm (0.39 in): Days with 10 mm or more rain	40	47	1927	27
25 mm (0.98 in): Days with 25 mm or more rain	40	19	1926	12
50 mm (1.97 in): Days with 50 mm or more rain	33	7	1905	1
100 mm (3.94 in): Days with 100 mm or more rain	7	2	1905	1
10 cm (3.9 in): Days with 10 cm or more snowfall	11	4	1927	3
25 cm (9.8 in): Days with 25 cm or more snowfall	6	2	1930	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for La Monte 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).

La Monte Threshold Days by Year (USC00234722)

Key Facts for La Monte Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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