Loa Threshold Days by Year (USC00425148)

14 fixed thresholds counted per year at Loa (USC00425148): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Loa Thresholds

Loa: days with a maximum temperature at or below 0 C (32 F) in 93 years, most in 1908 with 47.
Loa: nights with a minimum temperature at or below 0 C (32 F) in 92 years, most in 1900 with 253.
Loa: nights with a minimum temperature at or below -10 C (14 F) in 92 years, most in 1952 with 118.
Loa: days with a maximum temperature at or above 30 C (86 F) in 91 years, most in 2024 with 50.
14 fixed thresholds have at least one qualifying day at Loa.

Days at or above 30 C (86 F)

91 years with a qualifying day

Days per year at Loa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 50 in 2024.

Days at or above 30 C (86 F) per year at Loa
Year	Days	Decade average
1893	35	34.8
1894	40	34.8
1895	25	34.8
1896	45	34.8
1897	33	34.8
1899	31	34.8
1900	34	22.7
1902	37	22.7
1905	31	22.7
1906	20	22.7
1907	5	22.7
1908	9	22.7
1909	23	22.7
1922	42	31.6
1923	31	31.6
1924	41	31.6
1927	33	31.6
1928	11	31.6
1930	17	18.2
1936	29	18.2
1937	21	18.2
1938	13	18.2
1939	11	18.2
1940	25	12.5
1941	7	12.5
1942	34	12.5
1943	16	12.5
1944	9	12.5
1945	8	12.5
1946	6	12.5
1947	5	12.5
1948	6	12.5
1949	9	12.5
1950	16	11.5
1951	14	11.5
1952	25	11.5
1953	14	11.5
1954	8	11.5
1955	5	11.5
1956	5	11.5
1957	2	11.5
1958	8	11.5
1959	18	11.5
1960	32	12.6
1961	16	12.6
1962	6	12.6
1963	9	12.6
1964	7	12.6
1966	10	12.6
1967	9	12.6
1968	9	12.6
1969	15	12.6
1970	21	17.7
1971	21	17.7
1975	6	17.7
1976	11	17.7
1977	14	17.7
1978	25	17.7
1979	26	17.7
1980	31	19.6
1981	33	19.6
1982	13	19.6
1983	12	19.6
1985	32	19.6
1986	15	19.6
1987	7	19.6
1988	13	19.6
1989	20	19.6
1990	22	10
1992	1	10
1993	7	10
2007	27	18.7
2008	13	18.7
2009	16	18.7
2010	34	27.2
2011	16	27.2
2012	21	27.2
2013	23	27.2
2014	17	27.2
2015	26	27.2
2016	33	27.2
2017	33	27.2
2018	38	27.2
2019	31	27.2
2020	45	43.3
2021	42	43.3
2022	39	43.3
2023	36	43.3
2024	50	43.3
2025	43	43.3
2026	48	43.3

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

First to last qualifying date each year at Loa
Year	First date	Last date
1893	1893-06-07	1893-08-28
1894	1894-06-02	1894-08-28
1895	1895-06-30	1895-08-25
1896	1896-05-27	1896-08-22
1897	1897-05-29	1897-08-30
1899	1899-06-16	1899-09-12
1900	1900-06-19	1900-08-07
1902	1902-06-07	1902-08-22
1905	1905-06-12	1905-08-30
1906	1906-06-11	1906-08-17
1907	1907-07-03	1907-07-31
1908	1908-07-04	1908-07-28
1909	1909-06-23	1909-08-05
1922	1922-06-08	1922-08-25
1923	1923-06-11	1923-08-16
1924	1924-06-03	1924-08-30
1927	1927-05-15	1927-08-23
1928	1928-06-05	1928-07-30
1930	1930-06-09	1930-08-21
1936	1936-06-12	1936-08-27
1937	1937-06-20	1937-08-26
1938	1938-06-25	1938-08-22
1939	1939-07-10	1939-08-16
1940	1940-06-13	1940-08-16
1941	1941-07-22	1941-08-06
1942	1942-06-17	1942-08-17
1943	1943-07-05	1943-08-13
1944	1944-06-29	1944-08-21
1945	1945-07-05	1945-08-31
1946	1946-07-10	1946-08-09
1947	1947-07-02	1947-09-04
1948	1948-07-16	1948-09-03
1949	1949-06-16	1949-08-21
1950	1950-06-22	1950-09-07
1951	1951-07-02	1951-08-19
1952	1952-06-05	1952-09-05
1953	1953-06-10	1953-08-10
1954	1954-06-20	1954-09-01
1955	1955-06-21	1955-07-15
1956	1956-06-12	1956-07-10
1957	1957-06-28	1957-07-23
1958	1958-06-27	1958-08-12
1959	1959-06-12	1959-09-07
1960	1960-06-27	1960-08-20
1961	1961-06-18	1961-07-24
1962	1962-06-26	1962-08-15
1963	1963-07-01	1963-07-31
1964	1964-07-06	1964-08-09
1966	1966-07-05	1966-08-15
1967	1967-06-30	1967-07-31
1968	1968-06-18	1968-07-18
1969	1969-07-02	1969-08-26
1970	1970-06-23	1970-08-12
1971	1971-06-20	1971-08-14
1975	1975-07-07	1975-08-09
1976	1976-06-27	1976-07-23
1977	1977-06-03	1977-09-07
1978	1978-06-21	1978-08-10
1979	1979-06-12	1979-09-07
1980	1980-06-26	1980-08-12
1981	1981-06-06	1981-08-25
1982	1982-06-27	1982-09-03
1983	1983-07-05	1983-08-08
1985	1985-06-07	1985-08-31
1986	1986-06-16	1986-08-18
1987	1987-07-08	1987-08-20
1988	1988-06-24	1988-07-25
1989	1989-06-15	1989-08-08
1990	1990-06-04	1990-09-14
1992	1992-07-30	1992-07-30
1993	1993-06-27	1993-08-04
2007	2007-06-16	2007-08-26
2008	2008-06-29	2008-08-24
2009	2009-07-14	2009-08-29
2010	2010-06-06	2010-09-05
2011	2011-06-24	2011-08-30
2012	2012-06-04	2012-08-09
2013	2013-06-10	2013-08-20
2014	2014-06-26	2014-08-19
2015	2015-06-18	2015-08-25
2016	2016-06-05	2016-08-16
2017	2017-06-17	2017-09-06
2018	2018-06-05	2018-08-21
2019	2019-07-02	2019-09-08
2020	2020-06-24	2020-09-07
2021	2021-06-04	2021-09-10
2022	2022-05-17	2022-09-10
2023	2023-07-03	2023-09-01
2024	2024-06-06	2024-08-17
2025	2025-06-01	2025-08-21
2026	2026-05-13	2026-08-24

Every Fixed Threshold

Fixed thresholds at Loa
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	91	50	2024	48
35 C (95 F): Days	14	7	1922	1
90 F (32.2 C): Days	68	21	1896	23
100 F (37.8 C): Days	1	2	1922	2
0 C (32 F): Ice days (max	93	47	1908	6
0 C (32 F): Frost days (min	92	253	1900	105
-10 C (14 F): Days with min	92	118	1952	33
-20 C (-4 F): Days with min	89	34	1924	3
-30 C (-22 F): Days with min	21	10	1937	2
20 C (68 F): Tropical nights (min	1	1	1946	1
10 mm (0.39 in): Days with 10 mm or more rain	69	10	1941	5
25 mm (0.98 in): Days with 25 mm or more rain	18	2	1951	1
10 cm (3.9 in): Days with 10 cm or more snowfall	43	5	1969	2
25 cm (9.8 in): Days with 25 cm or more snowfall	5	1	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Loa 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Loa Threshold Days by Year (USC00425148)

Key Facts for Loa Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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