Coloso Threshold Days by Year (RQC00662801)

10 fixed thresholds counted per year at Coloso (RQC00662801): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coloso Thresholds

Coloso: days with 10 mm (0.39 in) or more of precipitation in 111 years, most in 1914 with 81.
Coloso: days with 25 mm (0.98 in) or more of precipitation in 111 years, most in 1959 with 43.
Coloso: days with 50 mm (1.97 in) or more of precipitation in 111 years, most in 1959 with 19.
Coloso: days with a maximum temperature at or above 30 C (86 F) in 79 years, most in 2002 with 351.
10 fixed thresholds have at least one qualifying day at Coloso.

Days at or above 30 C (86 F)

79 years with a qualifying day

Days per year at Coloso with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 351 in 2002.

Days at or above 30 C (86 F) per year at Coloso
Year	Days	Decade average
1905	301	281.7
1907	269	281.7
1908	275	281.7
1910	240	305.1
1912	322	305.1
1913	296	305.1
1914	342	305.1
1915	303	305.1
1916	276	305.1
1918	325	305.1
1919	337	305.1
1920	348	302.3
1921	321	302.3
1922	268	302.3
1923	272	302.3
1954	264	260.8
1955	247	260.8
1956	249	260.8
1959	283	260.8
1960	292	274
1961	269	274
1962	274	274
1963	292	274
1964	286	274
1965	230	274
1966	260	274
1967	253	274
1968	286	274
1969	298	274
1970	293	272.1
1971	275	272.1
1972	308	272.1
1973	300	272.1
1974	254	272.1
1975	316	272.1
1976	302	272.1
1977	321	272.1
1978	148	272.1
1979	204	272.1
1980	233	296.6
1983	309	296.6
1984	309	296.6
1985	284	296.6
1986	317	296.6
1987	312	296.6
1988	301	296.6
1989	308	296.6
1990	302	264.5
1991	320	264.5
1994	332	264.5
1995	338	264.5
1996	286	264.5
1997	154	264.5
1998	168	264.5
1999	216	264.5
2000	257	291.9
2001	337	291.9
2002	351	291.9
2003	330	291.9
2004	252	291.9
2005	307	291.9
2008	229	291.9
2009	272	291.9
2010	272	271.1
2011	238	271.1
2012	247	271.1
2013	266	271.1
2014	314	271.1
2015	290	271.1
2016	284	271.1
2018	244	271.1
2019	285	271.1
2020	296	280.7
2021	283	280.7
2022	272	280.7
2023	284	280.7
2024	294	280.7
2025	309	280.7
2026	227	280.7

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

First to last qualifying date each year at Coloso
Year	First date	Last date
1905	1905-02-01	1905-12-31
1907	1907-01-13	1907-12-31
1908	1908-01-01	1908-11-18
1910	1910-02-14	1910-12-24
1912	1912-01-01	1912-12-31
1913	1913-01-01	1913-12-28
1914	1914-01-03	1914-12-31
1915	1915-01-01	1915-12-31
1916	1916-01-02	1916-12-27
1918	1918-01-09	1918-12-30
1919	1919-01-03	1919-12-31
1920	1920-01-01	1920-12-31
1921	1921-01-01	1921-12-31
1922	1922-01-02	1922-12-21
1923	1923-01-01	1923-12-31
1954	1954-01-01	1954-12-24
1955	1955-01-11	1955-12-29
1956	1956-01-01	1956-12-29
1959	1959-01-02	1959-12-31
1960	1960-01-01	1960-12-29
1961	1961-01-01	1961-12-30
1962	1962-01-01	1962-12-29
1963	1963-01-06	1963-12-31
1964	1964-01-01	1964-12-09
1965	1965-01-13	1965-12-30
1966	1966-01-05	1966-12-25
1967	1967-01-01	1967-12-29
1968	1968-01-01	1968-12-31
1969	1969-01-05	1969-12-28
1970	1970-01-03	1970-12-31
1971	1971-01-01	1971-12-26
1972	1972-01-03	1972-12-30
1973	1973-01-01	1973-12-26
1974	1974-01-04	1974-12-31
1975	1975-01-01	1975-12-30
1976	1976-01-12	1976-12-28
1977	1977-01-01	1977-12-31
1978	1978-01-02	1978-12-29
1979	1979-01-11	1979-12-31
1980	1980-01-01	1980-12-22
1983	1983-01-02	1983-12-31
1984	1984-01-01	1984-11-29
1985	1985-02-01	1985-12-31
1986	1986-01-01	1986-12-30
1987	1987-01-02	1987-12-30
1988	1988-01-01	1988-11-30
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-30
1991	1991-01-02	1991-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-02	1995-12-31
1996	1996-01-01	1996-11-19
1997	1997-02-09	1997-12-22
1998	1998-02-20	1998-12-05
1999	1999-04-16	1999-12-05
2000	2000-02-12	2000-12-31
2001	2001-01-01	2001-12-31
2002	2002-01-01	2002-12-31
2003	2003-01-01	2003-12-25
2004	2004-01-15	2004-12-27
2005	2005-01-04	2005-12-31
2008	2008-01-16	2008-12-13
2009	2009-01-05	2009-12-29
2010	2010-01-01	2010-12-13
2011	2011-01-07	2011-12-31
2012	2012-01-02	2012-12-31
2013	2013-01-05	2013-12-31
2014	2014-01-04	2014-12-31
2015	2015-01-01	2015-12-29
2016	2016-01-01	2016-12-31
2018	2018-01-04	2018-12-22
2019	2019-01-05	2019-12-31
2020	2020-01-01	2020-12-29
2021	2021-01-08	2021-12-30
2022	2022-01-06	2022-12-31
2023	2023-01-01	2023-12-31
2024	2024-01-01	2024-12-28
2025	2025-01-09	2025-12-23
2026	2026-01-03	2026-10-09

Every Fixed Threshold

Fixed thresholds at Coloso
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	79	351	2002	227
35 C (95 F): Days	24	8	1995	1
90 F (32.2 C): Days	79	227	1995	99
20 C (68 F): Tropical nights (min	78	326	2020	228
25 C (77 F): Days with min	20	27	1980	1
10 mm (0.39 in): Days with 10 mm or more rain	111	81	1914	67
25 mm (0.98 in): Days with 25 mm or more rain	111	43	1959	25
50 mm (1.97 in): Days with 50 mm or more rain	111	19	1959	5
100 mm (3.94 in): Days with 100 mm or more rain	37	2	1961	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1965	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Coloso 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Coloso Threshold Days by Year (RQC00662801)

Key Facts for Coloso Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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