Calarasi Threshold Days by Year

15 fixed thresholds counted per year at Calarasi (ROE00100901): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Calarasi Thresholds

Calarasi: days with a maximum temperature at or above 30 C (86 F) in 123 years, most in 1909 with 91.
Calarasi: days with a maximum temperature at or above 90 F (32.2 C) in 123 years, most in 1946 with 68.
Calarasi: days with a maximum temperature at or below 0 C (32 F) in 123 years, most in 1933 with 54.
Calarasi: nights with a minimum temperature at or below 0 C (32 F) in 123 years, most in 1924 with 122.
15 fixed thresholds have at least one qualifying day at Calarasi.

Days at or above 30 C (86 F)

123 years with a qualifying day

Days per year at Calarasi with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 91 in 1909.

Days at or above 30 C (86 F) per year at Calarasi
Year	Days	Decade average
1898	34	39.5
1899	45	39.5
1900	38	50.2
1901	28	50.2
1902	47	50.2
1903	36	50.2
1904	53	50.2
1905	69	50.2
1906	40	50.2
1907	47	50.2
1908	53	50.2
1909	91	50.2
1910	38	36.4
1911	40	36.4
1912	35	36.4
1913	26	36.4
1914	22	36.4
1915	26	36.4
1918	74	36.4
1919	30	36.4
1920	45	52.6
1921	58	52.6
1922	63	52.6
1923	59	52.6
1924	55	52.6
1925	43	52.6
1926	29	52.6
1927	60	52.6
1928	53	52.6
1929	61	52.6
1930	43	39.7
1931	41	39.7
1932	47	39.7
1933	15	39.7
1934	29	39.7
1935	26	39.7
1938	77	39.7
1940	13	42.7
1941	12	42.7
1943	31	42.7
1944	41	42.7
1945	69	42.7
1946	90	42.7
1947	53	42.7
1948	37	42.7
1949	38	42.7
1950	72	51.4
1951	63	51.4
1952	74	51.4
1953	66	51.4
1954	57	51.4
1955	10	51.4
1956	40	51.4
1957	47	51.4
1958	47	51.4
1959	38	51.4
1960	36	40.5
1961	32	40.5
1962	60	40.5
1963	64	40.5
1964	33	40.5
1965	44	40.5
1966	37	40.5
1967	38	40.5
1968	33	40.5
1969	28	40.5
1970	35	33.2
1971	30	33.2
1972	45	33.2
1973	31	33.2
1974	31	33.2
1975	45	33.2
1976	16	33.2
1977	47	33.2
1978	21	33.2
1979	31	33.2
1980	30	41.7
1981	39	41.7
1982	33	41.7
1983	41	41.7
1984	33	41.7
1985	49	41.7
1986	54	41.7
1987	51	41.7
1988	52	41.7
1989	35	41.7
1990	55	53.1
1991	37	53.1
1992	49	53.1
1993	57	53.1
1994	80	53.1
1995	49	53.1
1996	41	53.1
1997	37	53.1
1998	61	53.1
1999	65	53.1
2000	64	60.3
2001	70	60.3
2002	46	60.3
2003	77	60.3
2004	35	60.3
2005	33	60.3
2006	55	60.3
2007	82	60.3
2008	69	60.3
2009	72	60.3
2010	60	67.8
2011	64	67.8
2012	85	67.8
2013	66	67.8
2014	52	67.8
2015	63	67.8
2016	70	67.8
2017	69	67.8
2018	71	67.8
2019	78	67.8
2020	85	66.1
2021	59	66.1
2022	80	66.1
2023	76	66.1
2024	62	66.1
2025	85	66.1
2026	16	66.1

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

First to last qualifying date each year at Calarasi
Year	First date	Last date
1898	1898-05-24	1898-09-30
1899	1899-04-18	1899-09-09
1900	1900-06-23	1900-10-03
1901	1901-06-02	1901-08-27
1902	1902-06-07	1902-09-18
1903	1903-05-08	1903-09-16
1904	1904-05-19	1904-09-02
1905	1905-05-23	1905-10-01
1906	1906-06-02	1906-09-12
1907	1907-05-09	1907-09-04
1908	1908-05-13	1908-09-12
1909	1909-04-26	1909-09-19
1910	1910-06-18	1910-08-31
1911	1911-05-15	1911-09-16
1912	1912-05-16	1912-09-02
1913	1913-05-04	1913-09-20
1914	1914-05-10	1914-09-20
1915	1915-06-07	1915-10-02
1918	1918-05-20	1918-09-29
1919	1919-05-15	1919-09-22
1920	1920-06-16	1920-08-25
1921	1921-05-20	1921-09-18
1922	1922-04-30	1922-09-30
1923	1923-04-23	1923-09-20
1924	1924-05-16	1924-09-24
1925	1925-05-25	1925-09-04
1926	1926-04-24	1926-11-01
1927	1927-05-19	1927-09-30
1928	1928-05-18	1928-09-16
1929	1929-05-01	1929-10-05
1930	1930-05-31	1930-09-29
1931	1931-05-17	1931-10-26
1932	1932-05-07	1932-10-16
1933	1933-06-22	1933-08-23
1934	1934-04-20	1934-09-01
1935	1935-06-11	1935-10-06
1938	1938-05-20	1938-09-11
1940	1940-07-13	1940-08-22
1941	1941-05-29	1941-08-21
1943	1943-04-20	1943-09-29
1944	1944-05-08	1944-09-12
1945	1945-05-16	1945-09-26
1946	1946-05-17	1946-09-26
1947	1947-03-30	1947-09-17
1948	1948-06-18	1948-09-07
1949	1949-05-01	1949-09-04
1950	1950-05-23	1950-09-27
1951	1951-05-28	1951-09-19
1952	1952-03-30	1952-10-10
1953	1953-05-25	1953-09-26
1954	1954-06-15	1954-09-22
1955	1955-06-09	1955-09-16
1956	1956-04-17	1956-10-06
1957	1957-06-10	1957-09-15
1958	1958-05-11	1958-09-26
1959	1959-05-21	1959-08-29
1960	1960-05-19	1960-10-26
1961	1961-06-25	1961-09-19
1962	1962-05-14	1962-09-13
1963	1963-05-27	1963-09-09
1964	1964-06-02	1964-09-13
1965	1965-05-19	1965-10-02
1966	1966-05-06	1966-08-26
1967	1967-06-25	1967-09-23
1968	1968-05-06	1968-09-18
1969	1969-05-15	1969-09-04
1970	1970-05-11	1970-09-17
1971	1971-05-04	1971-09-11
1972	1972-05-26	1972-09-16
1973	1973-05-08	1973-10-18
1974	1974-06-11	1974-09-23
1975	1975-04-08	1975-09-24
1976	1976-06-16	1976-09-30
1977	1977-05-21	1977-09-21
1978	1978-06-11	1978-09-12
1979	1979-06-01	1979-09-24
1980	1980-06-11	1980-08-22
1981	1981-06-06	1981-09-24
1982	1982-05-11	1982-09-10
1983	1983-04-13	1983-10-06
1984	1984-05-17	1984-10-07
1985	1985-04-10	1985-09-23
1986	1986-05-30	1986-09-18
1987	1987-06-08	1987-09-27
1988	1988-05-05	1988-09-16
1989	1989-05-13	1989-08-29
1990	1990-05-18	1990-10-08
1991	1991-06-15	1991-10-02
1992	1992-06-12	1992-10-18
1993	1993-05-28	1993-10-15
1994	1994-05-16	1994-10-04
1995	1995-05-30	1995-09-09
1996	1996-05-18	1996-08-15
1997	1997-05-08	1997-10-09
1998	1998-04-06	1998-08-28
1999	1999-05-31	1999-10-05
2000	2000-05-29	2000-09-14
2001	2001-06-10	2001-10-04
2002	2002-05-25	2002-09-23
2003	2003-05-01	2003-08-31
2004	2004-05-22	2004-09-24
2005	2005-05-30	2005-09-13
2006	2006-05-22	2006-10-05
2007	2007-05-12	2007-09-28
2008	2008-05-18	2008-09-09
2009	2009-05-12	2009-09-05
2010	2010-05-26	2010-09-18
2011	2011-06-04	2011-09-18
2012	2012-05-01	2012-10-01
2013	2013-04-27	2013-09-12
2014	2014-05-25	2014-09-11
2015	2015-06-03	2015-09-18
2016	2016-04-18	2016-09-18
2017	2017-06-01	2017-09-20
2018	2018-04-24	2018-09-24
2019	2019-05-27	2019-10-03
2020	2020-05-11	2020-10-05
2021	2021-05-02	2021-09-17
2022	2022-05-13	2022-10-01
2023	2023-06-10	2023-10-22
2024	2024-03-31	2024-09-28
2025	2025-05-04	2025-09-11
2026	2026-05-27	2026-06-30

Every Fixed Threshold

Fixed thresholds at Calarasi
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	123	91	1909	16
35 C (95 F): Days	100	37	1946	2
40 C (104 F): Days	14	3	2000	2
90 F (32.2 C): Days	123	68	1946	9
100 F (37.8 C): Days	44	12	2007	2
0 C (32 F): Ice days (max	123	54	1933	12
0 C (32 F): Frost days (min	123	122	1924	51
-10 C (14 F): Days with min	116	40	1954	7
-20 C (-4 F): Days with min	27	6	1947	1
-30 C (-22 F): Days with min	1	1	1938	1
20 C (68 F): Tropical nights (min	114	26	2010	3
25 C (77 F): Days with min	4	1	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	89	33	2005	10
25 mm (0.98 in): Days with 25 mm or more rain	80	10	2005	1
50 mm (1.97 in): Days with 50 mm or more rain	28	2	1999	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

Data for Calarasi 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Calarasi Threshold Days by Year

Key Facts for Calarasi Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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