Kolo 1033 Threshold Days by Year

4 fixed thresholds counted per year at Kolo 1033 (USC00514735): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kolo 1033 Thresholds

Kolo 1033: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1965 with 30.
Kolo 1033: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1968 with 15.
Kolo 1033: days with 50 mm (1.97 in) or more of precipitation in 46 years, most in 1951 with 8.
Kolo 1033: days with 100 mm (3.94 in) or more of precipitation in 17 years, most in 1982 with 3.
4 fixed thresholds have at least one qualifying day at Kolo 1033.

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

57 years with a qualifying day

Days per year at Kolo 1033 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1965.

Days with 10 mm (0.39 in) or more of precipitation per year at Kolo 1033
Year	Days	Decade average
1937	12	16
1939	20	16
1940	15	15.6
1941	3	15.6
1942	25	15.6
1943	12	15.6
1944	19	15.6
1945	14	15.6
1946	18	15.6
1947	11	15.6
1948	19	15.6
1949	20	15.6
1950	18	16.2
1951	26	16.2
1952	10	16.2
1953	7	16.2
1954	16	16.2
1955	21	16.2
1956	26	16.2
1957	19	16.2
1958	9	16.2
1959	10	16.2
1960	17	19.8
1961	16	19.8
1962	22	19.8
1963	23	19.8
1964	15	19.8
1965	30	19.8
1966	13	19.8
1967	27	19.8
1968	25	19.8
1969	10	19.8
1970	11	14.6
1971	25	14.6
1972	22	14.6
1973	10	14.6
1974	16	14.6
1975	11	14.6
1976	11	14.6
1977	17	14.6
1978	12	14.6
1979	11	14.6
1980	14	15.1
1981	12	15.1
1982	30	15.1
1983	6	15.1
1984	9	15.1
1985	13	15.1
1986	10	15.1
1987	12	15.1
1988	19	15.1
1989	26	15.1
1990	15	11.2
1991	15	11.2
1993	8	11.2
1994	8	11.2
1995	10	11.2

For each year, a bar from the first to the last day at Kolo 1033 meeting 10 mm (0.39 in).

First to last qualifying date each year at Kolo 1033
Year	First date	Last date
1937	1937-01-29	1937-12-20
1939	1939-02-04	1939-12-29
1940	1940-01-04	1940-11-26
1941	1941-01-25	1941-10-29
1942	1942-01-30	1942-12-20
1943	1943-01-01	1943-12-07
1944	1944-01-14	1944-12-28
1945	1945-03-01	1945-12-08
1946	1946-01-04	1946-12-24
1947	1947-01-28	1947-12-17
1948	1948-01-17	1948-12-02
1949	1949-01-06	1949-12-18
1950	1950-01-06	1950-12-04
1951	1951-01-01	1951-12-31
1952	1952-01-02	1952-11-06
1953	1953-01-05	1953-12-18
1954	1954-01-19	1954-12-16
1955	1955-01-12	1955-12-31
1956	1956-01-12	1956-12-11
1957	1957-01-15	1957-12-07
1958	1958-02-23	1958-12-29
1959	1959-01-13	1959-10-31
1960	1960-02-02	1960-12-19
1961	1961-01-03	1961-12-15
1962	1962-01-07	1962-12-13
1963	1963-01-07	1963-12-10
1964	1964-01-04	1964-12-23
1965	1965-01-06	1965-12-31
1966	1966-02-06	1966-12-29
1967	1967-01-14	1967-12-29
1968	1968-01-16	1968-12-25
1969	1969-01-02	1969-12-28
1970	1970-01-03	1970-10-03
1971	1971-01-05	1971-12-19
1972	1972-01-23	1972-12-31
1973	1973-01-06	1973-12-30
1974	1974-01-01	1974-11-23
1975	1975-01-10	1975-12-14
1976	1976-01-06	1976-11-25
1977	1977-01-11	1977-12-28
1978	1978-01-17	1978-12-04
1979	1979-02-04	1979-12-17
1980	1980-01-08	1980-12-25
1981	1981-01-31	1981-12-25
1982	1982-01-06	1982-12-24
1983	1983-03-06	1983-12-25
1984	1984-01-17	1984-12-03
1985	1985-01-11	1985-12-24
1986	1986-01-17	1986-11-13
1987	1987-01-31	1987-12-16
1988	1988-01-24	1988-12-24
1989	1989-01-11	1989-12-09
1990	1990-01-15	1990-12-26
1991	1991-02-19	1991-12-19
1993	1993-01-06	1993-12-29
1994	1994-01-16	1994-11-18
1995	1995-01-12	1995-12-31

Every Fixed Threshold

Fixed thresholds at Kolo 1033
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	57	30	1965	10
25 mm (0.98 in): Days with 25 mm or more rain	56	15	1968	4
50 mm (1.97 in): Days with 50 mm or more rain	46	8	1951	1
100 mm (3.94 in): Days with 100 mm or more rain	17	3	1982	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 Kolo 1033 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Kolo 1033 Threshold Days by Year

Key Facts for Kolo 1033 Thresholds

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

Every Fixed Threshold

Download the Data

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