Caroleen Threshold Days by Year (USC00311479)

17 fixed thresholds counted per year at Caroleen (USC00311479): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Caroleen Thresholds

Caroleen: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 1929 with 58.
Caroleen: days with 25 mm (0.98 in) or more of precipitation in 72 years, most in 1929 with 26.
Caroleen: days with 50 mm (1.97 in) or more of precipitation in 70 years, most in 1901 with 11.
Caroleen: days with a maximum temperature at or above 30 C (86 F) in 69 years, most in 1954 with 135.
17 fixed thresholds have at least one qualifying day at Caroleen.

Days at or above 30 C (86 F)

69 years with a qualifying day

Days per year at Caroleen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 135 in 1954.

Days at or above 30 C (86 F) per year at Caroleen
Year	Days	Decade average
1900	87	90.3
1901	77	90.3
1902	103	90.3
1903	95	90.3
1904	98	90.3
1905	99	90.3
1906	92	90.3
1907	87	90.3
1908	83	90.3
1909	82	90.3
1910	73	90
1911	127	90
1912	89	90
1913	80	90
1914	105	90
1915	86	90
1916	64	90
1919	96	90
1920	78	85.6
1921	95	85.6
1922	91	85.6
1923	81	85.6
1924	82	85.6
1925	130	85.6
1928	58	85.6
1929	70	85.6
1930	106	104.9
1931	120	104.9
1932	95	104.9
1933	114	104.9
1934	106	104.9
1935	93	104.9
1936	118	104.9
1937	78	104.9
1938	103	104.9
1939	116	104.9
1941	130	103.4
1942	105	103.4
1943	107	103.4
1944	112	103.4
1945	112	103.4
1946	88	103.4
1947	92	103.4
1948	95	103.4
1949	90	103.4
1950	102	116.6
1951	115	116.6
1952	121	116.6
1953	131	116.6
1954	135	116.6
1955	114	116.6
1956	115	116.6
1957	110	116.6
1958	103	116.6
1959	120	116.6
1960	113	98.1
1961	89	98.1
1962	117	98.1
1963	99	98.1
1964	100	98.1
1965	110	98.1
1966	87	98.1
1967	82	98.1
1968	88	98.1
1969	96	98.1
1970	115	95.8
1971	93	95.8
1972	80	95.8
1973	95	95.8

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

First to last qualifying date each year at Caroleen
Year	First date	Last date
1900	1900-04-07	1900-09-30
1901	1901-04-30	1901-10-24
1902	1902-04-30	1902-09-23
1903	1903-04-29	1903-10-05
1904	1904-05-22	1904-10-12
1905	1905-05-05	1905-10-05
1906	1906-04-11	1906-09-22
1907	1907-03-20	1907-09-24
1908	1908-04-01	1908-09-24
1909	1909-04-05	1909-09-14
1910	1910-03-31	1910-10-15
1911	1911-05-10	1911-10-08
1912	1912-05-03	1912-10-10
1913	1913-05-02	1913-09-12
1914	1914-04-23	1914-09-23
1915	1915-04-19	1915-09-27
1916	1916-04-13	1916-09-08
1919	1919-04-09	1919-10-29
1920	1920-04-17	1920-09-28
1921	1921-03-21	1921-09-26
1922	1922-04-13	1922-09-24
1923	1923-04-22	1923-09-25
1924	1924-04-25	1924-09-13
1925	1925-02-09	1925-09-27
1928	1928-05-04	1928-09-15
1929	1929-03-24	1929-09-10
1930	1930-04-11	1930-10-16
1931	1931-05-16	1931-10-25
1932	1932-04-06	1932-09-23
1933	1933-04-10	1933-10-01
1934	1934-04-03	1934-10-22
1935	1935-03-21	1935-10-15
1936	1936-04-15	1936-09-30
1937	1937-04-23	1937-09-06
1938	1938-04-29	1938-10-19
1939	1939-05-06	1939-10-27
1941	1941-04-14	1941-10-23
1942	1942-04-05	1942-09-25
1943	1943-03-31	1943-10-21
1944	1944-05-12	1944-10-07
1945	1945-03-17	1945-09-30
1946	1946-04-02	1946-10-13
1947	1947-04-25	1947-09-20
1948	1948-04-12	1948-09-22
1949	1949-04-23	1949-10-22
1950	1950-04-23	1950-11-01
1951	1951-04-30	1951-10-07
1952	1952-04-20	1952-10-02
1953	1953-04-10	1953-10-21
1954	1954-04-08	1954-10-14
1955	1955-04-16	1955-09-30
1956	1956-04-28	1956-10-02
1957	1957-04-20	1957-09-22
1958	1958-04-18	1958-10-10
1959	1959-04-08	1959-10-11
1960	1960-04-13	1960-10-03
1961	1961-04-24	1961-09-28
1962	1962-04-30	1962-10-13
1963	1963-03-18	1963-09-21
1964	1964-04-19	1964-09-24
1965	1965-04-10	1965-09-24
1966	1966-05-10	1966-09-12
1967	1967-03-16	1967-10-07
1968	1968-04-20	1968-10-03
1969	1969-05-05	1969-10-15
1970	1970-04-22	1970-10-04
1971	1971-04-14	1971-10-06
1972	1972-04-16	1972-09-30
1973	1973-04-23	1973-10-05

Every Fixed Threshold

Fixed thresholds at Caroleen
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	69	135	1954	95
35 C (95 F): Days	67	64	1954	6
40 C (104 F): Days	9	4	1952	3
90 F (32.2 C): Days	69	105	1925	42
100 F (37.8 C): Days	40	16	1932	2
0 C (32 F): Ice days (max	37	6	1901	1
0 C (32 F): Frost days (min	67	127	1968	100
-10 C (14 F): Days with min	56	21	1968	9
-20 C (-4 F): Days with min	2	1	1958	1
20 C (68 F): Tropical nights (min	67	82	1900	28
25 C (77 F): Days with min	8	3	1900	1
10 mm (0.39 in): Days with 10 mm or more rain	72	58	1929	46
25 mm (0.98 in): Days with 25 mm or more rain	72	26	1929	16
50 mm (1.97 in): Days with 50 mm or more rain	70	11	1901	5
100 mm (3.94 in): Days with 100 mm or more rain	20	3	1928	1
10 cm (3.9 in): Days with 10 cm or more snowfall	24	4	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1930	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

Data for Caroleen 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).

Caroleen Threshold Days by Year (USC00311479)

Key Facts for Caroleen Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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