Ranfurly Threshold Days by Year (CA003015400)

17 fixed thresholds counted per year at Ranfurly (CA003015400): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ranfurly Thresholds

Ranfurly: days with a maximum temperature at or below 0 C (32 F) in 79 years, most in 1951 with 143.
Ranfurly: nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 1918 with 234.
Ranfurly: nights with a minimum temperature at or below -10 C (14 F) in 79 years, most in 1909 with 146.
Ranfurly: nights with a minimum temperature at or below -20 C (-4 F) in 79 years, most in 1927 with 84.
17 fixed thresholds have at least one qualifying day at Ranfurly.

Days at or above 30 C (86 F)

73 years with a qualifying day

Days per year at Ranfurly with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 26 in 1922.

Days at or above 30 C (86 F) per year at Ranfurly
Year	Days	Decade average
1906	3	2.3
1908	1	2.3
1909	3	2.3
1910	4	6.5
1911	1	6.5
1912	8	6.5
1914	5	6.5
1915	4	6.5
1917	11	6.5
1918	6	6.5
1919	13	6.5
1920	10	15
1921	11	15
1922	26	15
1923	7	15
1924	14	15
1925	23	15
1926	13	15
1927	11	15
1928	14	15
1929	21	15
1930	3	10.6
1931	2	10.6
1932	8	10.6
1933	16	10.6
1934	12	10.6
1935	8	10.6
1936	23	10.6
1937	14	10.6
1938	5	10.6
1939	15	10.6
1940	10	9.2
1941	18	9.2
1942	4	9.2
1943	2	9.2
1944	6	9.2
1945	13	9.2
1946	8	9.2
1947	13	9.2
1948	8	9.2
1949	10	9.2
1950	18	4.8
1951	1	4.8
1952	1	4.8
1953	4	4.8
1954	2	4.8
1955	3	4.8
1956	3	4.8
1957	2	4.8
1958	9	4.8
1959	5	4.8
1960	6	5.1
1961	11	5.1
1963	1	5.1
1964	9	5.1
1965	8	5.1
1966	1	5.1
1967	5	5.1
1968	3	5.1
1969	2	5.1
1970	7	3.8
1971	5	3.8
1972	3	3.8
1973	1	3.8
1974	2	3.8
1975	3	3.8
1977	4	3.8
1978	8	3.8
1979	1	3.8
1980	1	5
1981	15	5
1982	3	5
1983	1	5

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

First to last qualifying date each year at Ranfurly
Year	First date	Last date
1906	1906-07-06	1906-08-12
1908	1908-07-23	1908-07-23
1909	1909-08-13	1909-09-25
1910	1910-06-11	1910-07-21
1911	1911-05-05	1911-05-05
1912	1912-05-15	1912-06-27
1914	1914-07-30	1914-08-03
1915	1915-08-07	1915-08-29
1917	1917-06-15	1917-09-21
1918	1918-06-13	1918-08-01
1919	1919-05-19	1919-08-18
1920	1920-07-15	1920-08-23
1921	1921-06-21	1921-08-30
1922	1922-05-25	1922-09-27
1923	1923-06-11	1923-09-14
1924	1924-05-14	1924-09-05
1925	1925-05-18	1925-09-23
1926	1926-06-26	1926-08-24
1927	1927-07-22	1927-08-24
1928	1928-05-21	1928-09-03
1929	1929-06-07	1929-08-30
1930	1930-06-07	1930-07-14
1931	1931-07-21	1931-07-22
1932	1932-07-22	1932-09-06
1933	1933-06-13	1933-08-28
1934	1934-05-15	1934-09-06
1935	1935-06-28	1935-07-24
1936	1936-05-26	1936-10-07
1937	1937-06-02	1937-09-19
1938	1938-06-19	1938-09-03
1939	1939-04-28	1939-08-25
1940	1940-05-23	1940-08-31
1941	1941-05-23	1941-08-15
1942	1942-07-02	1942-08-10
1943	1943-09-25	1943-09-26
1944	1944-05-28	1944-09-11
1945	1945-05-29	1945-08-16
1946	1946-07-20	1946-08-23
1947	1947-07-01	1947-08-03
1948	1948-05-21	1948-09-02
1949	1949-06-10	1949-09-08
1950	1950-06-11	1950-09-23
1951	1951-05-23	1951-05-23
1952	1952-09-26	1952-09-26
1953	1953-05-07	1953-07-14
1954	1954-07-05	1954-07-07
1955	1955-07-14	1955-07-18
1956	1956-06-01	1956-06-10
1957	1957-07-14	1957-07-26
1958	1958-06-26	1958-08-25
1959	1959-05-16	1959-07-23
1960	1960-07-07	1960-08-10
1961	1961-06-03	1961-08-22
1963	1963-07-07	1963-07-07
1964	1964-06-27	1964-08-18
1965	1965-06-11	1965-08-22
1966	1966-08-25	1966-08-25
1967	1967-06-26	1967-09-05
1968	1968-07-04	1968-07-09
1969	1969-07-10	1969-08-15
1970	1970-06-02	1970-08-07
1971	1971-05-13	1971-08-21
1972	1972-05-31	1972-08-25
1973	1973-06-23	1973-06-23
1974	1974-06-23	1974-07-19
1975	1975-07-06	1975-07-27
1977	1977-04-25	1977-07-21
1978	1978-06-04	1978-08-10
1979	1979-07-19	1979-07-19
1980	1980-07-22	1980-07-22
1981	1981-07-03	1981-09-19
1982	1982-06-13	1982-06-22
1983	1983-08-10	1983-08-10

Every Fixed Threshold

Fixed thresholds at Ranfurly
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	73	26	1922	1
35 C (95 F): Days	17	6	1919	1
40 C (104 F): Days	2	1	1924	1
90 F (32.2 C): Days	45	13	1919	6
100 F (37.8 C): Days	4	2	1924	1
0 C (32 F): Ice days (max	79	143	1951	121
0 C (32 F): Frost days (min	79	234	1918	208
-10 C (14 F): Days with min	79	146	1909	101
-20 C (-4 F): Days with min	79	84	1927	38
-30 C (-22 F): Days with min	79	45	1916	15
-40 C (-40 F): Days with min	52	12	1907	1
20 C (68 F): Tropical nights (min	3	1	1947	1
10 mm (0.39 in): Days with 10 mm or more rain	79	19	1906	10
25 mm (0.98 in): Days with 25 mm or more rain	67	7	1916	3
50 mm (1.97 in): Days with 50 mm or more rain	18	3	1973	1
10 cm (3.9 in): Days with 10 cm or more snowfall	65	9	1924	2
25 cm (9.8 in): Days with 25 cm or more snowfall	10	1	1908	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

Data for Ranfurly 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Ranfurly Threshold Days by Year (CA003015400)

Key Facts for Ranfurly Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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