La Ctr Threshold Days by Year (USC00454328)

14 fixed thresholds counted per year at La Ctr (USC00454328): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for La Ctr Thresholds

La Ctr: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1935 with 38.
La Ctr: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1935 with 29.
La Ctr: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1913 with 142.
La Ctr: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1902 with 63.
14 fixed thresholds have at least one qualifying day at La Ctr.

Days at or above 30 C (86 F)

30 years with a qualifying day

Days per year at La Ctr with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1935.

Days at or above 30 C (86 F) per year at La Ctr
Year	Days	Decade average
1897	24	21.7
1898	26	21.7
1899	15	21.7
1900	9	18.3
1901	21	18.3
1902	19	18.3
1903	6	18.3
1904	37	18.3
1905	17	18.3
1906	27	18.3
1907	15	18.3
1909	14	18.3
1911	17	13.4
1912	12	13.4
1913	9	13.4
1914	11	13.4
1915	13	13.4
1916	10	13.4
1917	17	13.4
1918	19	13.4
1919	13	13.4
1920	15	14.4
1921	2	14.4
1922	13	14.4
1927	22	14.4
1929	20	14.4
1932	28	26.8
1933	14	26.8
1934	27	26.8
1935	38	26.8

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

First to last qualifying date each year at La Ctr
Year	First date	Last date
1897	1897-04-17	1897-08-22
1898	1898-05-25	1898-09-07
1899	1899-07-01	1899-09-26
1900	1900-06-12	1900-09-12
1901	1901-05-25	1901-09-18
1902	1902-05-26	1902-09-10
1903	1903-06-06	1903-08-17
1904	1904-04-12	1904-09-17
1905	1905-07-06	1905-09-01
1906	1906-04-20	1906-08-29
1907	1907-05-29	1907-09-23
1909	1909-06-10	1909-09-15
1911	1911-07-05	1911-08-27
1912	1912-05-12	1912-09-14
1913	1913-06-01	1913-08-21
1914	1914-06-14	1914-08-13
1915	1915-06-29	1915-08-29
1916	1916-06-13	1916-08-25
1917	1917-06-13	1917-08-25
1918	1918-06-05	1918-09-16
1919	1919-07-08	1919-08-24
1920	1920-07-06	1920-09-02
1921	1921-08-06	1921-08-07
1922	1922-05-30	1922-09-12
1927	1927-06-20	1927-08-18
1929	1929-06-23	1929-09-12
1932	1932-06-09	1932-10-04
1933	1933-06-13	1933-08-26
1934	1934-04-19	1934-10-10
1935	1935-06-04	1935-09-29

Every Fixed Threshold

Fixed thresholds at La Ctr
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	30	38	1935	38
35 C (95 F): Days	22	15	1935	15
40 C (104 F): Days	2	2	1935	2
90 F (32.2 C): Days	30	29	1935	29
100 F (37.8 C): Days	5	4	1935	4
0 C (32 F): Ice days (max	24	13	1916	3
0 C (32 F): Frost days (min	28	142	1913	89
-10 C (14 F): Days with min	17	11	1909	2
-20 C (-4 F): Days with min	2	3	1919	3
20 C (68 F): Tropical nights (min	2	2	1913	1
10 mm (0.39 in): Days with 10 mm or more rain	27	63	1902	41
25 mm (0.98 in): Days with 25 mm or more rain	27	13	1902	11
50 mm (1.97 in): Days with 50 mm or more rain	12	2	1906	2
10 cm (3.9 in): Days with 10 cm or more snowfall	3	3	1902	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for La Ctr 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 Ctr Threshold Days by Year (USC00454328)

Key Facts for La Ctr Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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