Groenfontein "Montagu" Threshold Days by Year (SF001731340)

3 fixed thresholds counted per year at Groenfontein "Montagu" (SF001731340): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Groenfontein "Montagu" Thresholds

Groenfontein "Montagu": days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1950 with 26.
Groenfontein "Montagu": days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 1963 with 8.
Groenfontein "Montagu": days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1939 with 3.
3 fixed thresholds have at least one qualifying day at Groenfontein "Montagu".

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

68 years with a qualifying day

Days per year at Groenfontein "Montagu" with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1950.

Days with 10 mm (0.39 in) or more of precipitation per year at Groenfontein "Montagu"
Year	Days	Decade average
1903	4	10.7
1904	8	10.7
1905	10	10.7
1906	9	10.7
1907	20	10.7
1908	9	10.7
1909	15	10.7
1911	14	10.6
1912	8	10.6
1913	12	10.6
1915	12	10.6
1916	11	10.6
1917	15	10.6
1918	8	10.6
1919	5	10.6
1920	12	13.3
1921	13	13.3
1922	7	13.3
1923	14	13.3
1924	14	13.3
1925	23	13.3
1926	13	13.3
1927	9	13.3
1928	10	13.3
1929	18	13.3
1930	12	12.4
1931	16	12.4
1932	7	12.4
1933	11	12.4
1934	19	12.4
1935	12	12.4
1939	10	12.4
1940	8	11.5
1941	13	11.5
1942	11	11.5
1943	16	11.5
1944	11	11.5
1945	5	11.5
1946	16	11.5
1947	11	11.5
1948	16	11.5
1949	8	11.5
1950	26	16
1951	10	16
1952	11	16
1953	13	16
1954	13	16
1955	19	16
1956	15	16
1957	18	16
1958	20	16
1959	15	16
1960	8	13.5
1961	18	13.5
1962	15	13.5
1963	25	13.5
1964	6	13.5
1965	14	13.5
1966	11	13.5
1967	17	13.5
1968	11	13.5
1969	10	13.5
1970	9	12.8
1971	16	12.8
1972	7	12.8
1973	10	12.8
1974	22	12.8
1975	13	12.8

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

First to last qualifying date each year at Groenfontein "Montagu"
Year	First date	Last date
1903	1903-02-05	1903-12-11
1904	1904-01-08	1904-10-26
1905	1905-01-01	1905-12-31
1906	1906-02-09	1906-12-29
1907	1907-01-06	1907-12-16
1908	1908-01-29	1908-11-11
1909	1909-01-02	1909-12-18
1911	1911-02-21	1911-11-19
1912	1912-02-15	1912-12-31
1913	1913-01-07	1913-10-10
1915	1915-01-19	1915-12-29
1916	1916-01-26	1916-12-29
1917	1917-01-26	1917-11-28
1918	1918-01-02	1918-05-07
1919	1919-03-12	1919-12-29
1920	1920-01-30	1920-12-15
1921	1921-02-03	1921-12-08
1922	1922-01-11	1922-12-31
1923	1923-01-24	1923-11-13
1924	1924-03-11	1924-12-23
1925	1925-01-01	1925-12-05
1926	1926-01-20	1926-12-02
1927	1927-03-15	1927-12-25
1928	1928-01-04	1928-11-23
1929	1929-01-18	1929-12-30
1930	1930-01-03	1930-12-27
1931	1931-01-12	1931-12-31
1932	1932-02-08	1932-11-22
1933	1933-01-03	1933-12-31
1934	1934-02-07	1934-12-12
1935	1935-02-06	1935-12-15
1939	1939-01-21	1939-10-05
1940	1940-01-28	1940-11-08
1941	1941-01-08	1941-10-28
1942	1942-01-25	1942-12-04
1943	1943-04-03	1943-11-30
1944	1944-01-03	1944-10-23
1945	1945-04-09	1945-12-30
1946	1946-01-18	1946-11-25
1947	1947-01-07	1947-12-23
1948	1948-01-23	1948-07-09
1949	1949-02-25	1949-12-16
1950	1950-01-08	1950-12-27
1951	1951-01-02	1951-10-03
1952	1952-01-14	1952-12-15
1953	1953-01-13	1953-12-19
1954	1954-01-17	1954-12-08
1955	1955-01-04	1955-12-17
1956	1956-01-17	1956-12-22
1957	1957-01-30	1957-12-30
1958	1958-01-02	1958-12-27
1959	1959-01-24	1959-12-08
1960	1960-01-17	1960-12-18
1961	1961-01-02	1961-12-16
1962	1962-01-19	1962-12-27
1963	1963-01-04	1963-12-08
1964	1964-03-31	1964-12-26
1965	1965-01-14	1965-11-15
1966	1966-01-19	1966-12-18
1967	1967-01-29	1967-11-23
1968	1968-01-31	1968-12-07
1969	1969-02-27	1969-10-25
1970	1970-01-17	1970-12-06
1971	1971-01-07	1971-10-14
1972	1972-02-25	1972-10-04
1973	1973-02-02	1973-12-03
1974	1974-01-14	1974-11-29
1975	1975-01-22	1975-12-17

Every Fixed Threshold

Fixed thresholds at Groenfontein "Montagu"
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	68	26	1950	13
25 mm (0.98 in): Days with 25 mm or more rain	66	8	1963	1
50 mm (1.97 in): Days with 50 mm or more rain	16	3	1939	3

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

Data for Groenfontein "Montagu" 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).

Groenfontein "Montagu" Threshold Days by Year (SF001731340)

Key Facts for Groenfontein "Montagu" Thresholds

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

Every Fixed Threshold

Download the Data

Related