Ulcanbah Threshold Days by Year

4 fixed thresholds counted per year at Ulcanbah (ASN00036050): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ulcanbah Thresholds

Ulcanbah: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1974 with 37.
Ulcanbah: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1974 with 20.
Ulcanbah: days with 50 mm (1.97 in) or more of precipitation in 62 years, most in 1974 with 10.
Ulcanbah: days with 100 mm (3.94 in) or more of precipitation in 22 years, most in 1951 with 2.
4 fixed thresholds have at least one qualifying day at Ulcanbah.

Days with 10 mm (0.39 in) or more of precipitation

76 years with a qualifying day

Days per year at Ulcanbah with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Ulcanbah
Year	Days	Decade average
1937	13	12.7
1938	10	12.7
1939	15	12.7
1940	15	14
1941	19	14
1948	7	14
1949	15	14
1950	34	17.9
1951	7	17.9
1952	12	17.9
1953	12	17.9
1954	26	17.9
1955	22	17.9
1957	10	17.9
1958	20	17.9
1959	18	17.9
1960	15	14.3
1962	20	14.3
1963	19	14.3
1964	14	14.3
1965	12	14.3
1966	13	14.3
1967	13	14.3
1968	15	14.3
1969	8	14.3
1970	12	18.2
1971	22	18.2
1972	12	18.2
1973	18	18.2
1974	37	18.2
1975	26	18.2
1976	13	18.2
1977	16	18.2
1978	15	18.2
1979	11	18.2
1980	11	15.6
1981	19	15.6
1982	10	15.6
1983	20	15.6
1984	25	15.6
1985	14	15.6
1986	11	15.6
1987	21	15.6
1988	9	15.6
1989	16	15.6
1990	16	14.4
1991	16	14.4
1992	14	14.4
1993	8	14.4
1994	6	14.4
1995	15	14.4
1996	12	14.4
1997	24	14.4
1998	16	14.4
1999	17	14.4
2000	22	12.6
2001	11	12.6
2002	6	12.6
2003	11	12.6
2004	11	12.6
2006	12	12.6
2008	17	12.6
2009	11	12.6
2013	8	12
2015	7	12
2016	16	12
2017	13	12
2018	12	12
2019	16	12
2020	15	16.9
2021	12	16.9
2022	23	16.9
2023	13	16.9
2024	16	16.9
2025	25	16.9
2026	14	16.9

For each year, a bar from the first to the last day at Ulcanbah meeting 10 mm (0.39 in).

First to last qualifying date each year at Ulcanbah
Year	First date	Last date
1937	1937-01-03	1937-12-15
1938	1938-01-10	1938-12-14
1939	1939-01-19	1939-11-26
1940	1940-01-20	1940-12-29
1941	1941-01-04	1941-10-07
1948	1948-01-01	1948-12-31
1949	1949-01-26	1949-12-19
1950	1950-01-09	1950-12-19
1951	1951-01-11	1951-10-13
1952	1952-01-10	1952-12-27
1953	1953-01-09	1953-12-28
1954	1954-01-02	1954-12-15
1955	1955-01-26	1955-10-09
1957	1957-01-09	1957-12-13
1958	1958-01-02	1958-12-29
1959	1959-01-11	1959-12-25
1960	1960-01-19	1960-12-27
1962	1962-01-02	1962-12-30
1963	1963-01-10	1963-11-29
1964	1964-01-03	1964-12-27
1965	1965-03-10	1965-12-15
1966	1966-01-06	1966-12-17
1967	1967-01-18	1967-12-18
1968	1968-01-04	1968-07-18
1969	1969-01-10	1969-12-24
1970	1970-01-27	1970-12-20
1971	1971-01-25	1971-12-27
1972	1972-01-13	1972-12-30
1973	1973-01-10	1973-12-27
1974	1974-01-01	1974-12-28
1975	1975-01-02	1975-12-27
1976	1976-01-14	1976-12-22
1977	1977-01-15	1977-12-23
1978	1978-01-15	1978-12-24
1979	1979-02-06	1979-11-25
1980	1980-01-05	1980-05-23
1981	1981-01-04	1981-11-29
1982	1982-01-22	1982-12-21
1983	1983-01-01	1983-12-02
1984	1984-01-03	1984-12-20
1985	1985-04-22	1985-12-08
1986	1986-02-05	1986-12-07
1987	1987-01-01	1987-12-30
1988	1988-02-28	1988-12-12
1989	1989-01-03	1989-11-26
1990	1990-02-19	1990-12-28
1991	1991-01-04	1991-12-11
1992	1992-01-27	1992-12-19
1993	1993-01-13	1993-12-17
1994	1994-02-02	1994-03-11
1995	1995-01-02	1995-11-21
1996	1996-01-03	1996-12-20
1997	1997-01-27	1997-12-29
1998	1998-01-11	1998-12-11
1999	1999-01-03	1999-12-19
2000	2000-01-07	2000-12-29
2001	2001-02-03	2001-12-26
2002	2002-02-02	2002-12-15
2003	2003-01-05	2003-12-06
2004	2004-01-12	2004-12-18
2006	2006-01-13	2006-12-07
2008	2008-01-11	2008-12-30
2009	2009-01-03	2009-12-31
2013	2013-01-25	2013-11-23
2015	2015-01-04	2015-12-29
2016	2016-01-03	2016-11-04
2017	2017-01-03	2017-11-21
2018	2018-02-05	2018-12-23
2019	2019-01-31	2019-10-30
2020	2020-01-18	2020-12-30
2021	2021-01-04	2021-11-30
2022	2022-01-27	2022-12-25
2023	2023-01-12	2023-12-22
2024	2024-01-09	2024-12-28
2025	2025-01-01	2025-12-30
2026	2026-01-02	2026-03-09

Every Fixed Threshold

Fixed thresholds at Ulcanbah
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	76	37	1974	14
25 mm (0.98 in): Days with 25 mm or more rain	76	20	1974	9
50 mm (1.97 in): Days with 50 mm or more rain	62	10	1974	6
100 mm (3.94 in): Days with 100 mm or more rain	22	2	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

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Data for Ulcanbah 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).

Ulcanbah Threshold Days by Year

Key Facts for Ulcanbah Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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