Kaalplaas Threshold Days by Year (SF004334940)

4 fixed thresholds counted per year at Kaalplaas (SF004334940): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kaalplaas Thresholds

Kaalplaas: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1976 with 33.
Kaalplaas: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1976 with 13.
Kaalplaas: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1975 with 4.
Kaalplaas: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1937 with 1.
4 fixed thresholds have at least one qualifying day at Kaalplaas.

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

59 years with a qualifying day

Days per year at Kaalplaas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1976.

Days with 10 mm (0.39 in) or more of precipitation per year at Kaalplaas
Year	Days	Decade average
1934	23	17.3
1935	6	17.3
1936	22	17.3
1937	19	17.3
1938	11	17.3
1939	23	17.3
1940	19	18.6
1941	10	18.6
1942	17	18.6
1943	28	18.6
1944	23	18.6
1945	18	18.6
1946	16	18.6
1947	19	18.6
1948	20	18.6
1949	16	18.6
1950	22	18.9
1951	19	18.9
1952	16	18.9
1953	19	18.9
1954	12	18.9
1955	19	18.9
1956	29	18.9
1957	20	18.9
1958	20	18.9
1959	13	18.9
1960	16	15.7
1961	20	15.7
1962	14	15.7
1963	22	15.7
1964	12	15.7
1965	11	15.7
1966	18	15.7
1967	20	15.7
1968	14	15.7
1969	10	15.7
1970	11	20.3
1971	21	20.3
1972	16	20.3
1973	18	20.3
1974	22	20.3
1975	30	20.3
1976	33	20.3
1977	18	20.3
1978	16	20.3
1979	18	20.3
1980	17	14.4
1981	20	14.4
1982	11	14.4
1983	13	14.4
1984	11	14.4
1985	11	14.4
1986	13	14.4
1989	19	14.4
1990	12	14.6
1991	14	14.6
1995	12	14.6
1996	19	14.6
1997	16	14.6

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

First to last qualifying date each year at Kaalplaas
Year	First date	Last date
1934	1934-01-02	1934-12-13
1935	1935-01-12	1935-12-15
1936	1936-01-01	1936-12-29
1937	1937-01-05	1937-12-23
1938	1938-01-24	1938-12-24
1939	1939-01-21	1939-11-05
1940	1940-01-15	1940-12-30
1941	1941-01-20	1941-12-14
1942	1942-01-09	1942-12-22
1943	1943-01-06	1943-12-20
1944	1944-01-01	1944-11-27
1945	1945-01-08	1945-12-30
1946	1946-01-07	1946-12-14
1947	1947-01-12	1947-12-26
1948	1948-01-24	1948-12-01
1949	1949-01-20	1949-12-20
1950	1950-01-06	1950-12-24
1951	1951-01-01	1951-10-31
1952	1952-01-29	1952-12-13
1953	1953-02-11	1953-12-20
1954	1954-01-16	1954-12-27
1955	1955-01-26	1955-12-18
1956	1956-01-01	1956-12-17
1957	1957-01-10	1957-12-24
1958	1958-01-11	1958-12-27
1959	1959-01-06	1959-12-23
1960	1960-01-23	1960-12-28
1961	1961-01-15	1961-12-15
1962	1962-01-02	1962-12-14
1963	1963-01-10	1963-12-10
1964	1964-01-18	1964-12-29
1965	1965-01-09	1965-11-29
1966	1966-01-01	1966-12-29
1967	1967-01-03	1967-12-05
1968	1968-02-11	1968-12-09
1969	1969-01-28	1969-12-19
1970	1970-01-16	1970-12-26
1971	1971-01-09	1971-12-18
1972	1972-01-02	1972-04-13
1973	1973-02-03	1973-12-22
1974	1974-01-03	1974-12-27
1975	1975-01-13	1975-12-31
1976	1976-01-04	1976-12-22
1977	1977-01-12	1977-12-01
1978	1978-01-21	1978-12-25
1979	1979-01-09	1979-12-09
1980	1980-01-20	1980-12-24
1981	1981-01-22	1981-12-17
1982	1982-01-04	1982-12-19
1983	1983-01-07	1983-12-25
1984	1984-03-22	1984-12-11
1985	1985-01-15	1985-12-18
1986	1986-01-17	1986-12-09
1989	1989-01-05	1989-12-31
1990	1990-01-21	1990-12-27
1991	1991-01-06	1991-12-03
1995	1995-01-13	1995-12-17
1996	1996-01-16	1996-12-29
1997	1997-01-16	1997-11-11

Every Fixed Threshold

Fixed thresholds at Kaalplaas
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	59	33	1976	16
25 mm (0.98 in): Days with 25 mm or more rain	57	13	1976	8
50 mm (1.97 in): Days with 50 mm or more rain	26	4	1975	2
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1937	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1934.

Download the Data

Data for Kaalplaas 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Kaalplaas Threshold Days by Year (SF004334940)

Key Facts for Kaalplaas Thresholds

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

Every Fixed Threshold

Download the Data

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