Anna 4 N Threshold Days by Year (USC00110187)

19 fixed thresholds counted per year at Anna 4 N (USC00110187): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Anna 4 N Thresholds

Anna 4 N: days with 10 mm (0.39 in) or more of precipitation in 118 years, most in 1945 with 57.
Anna 4 N: days with 25 mm (0.98 in) or more of precipitation in 118 years, most in 2011 with 26.
Anna 4 N: days with a maximum temperature at or above 30 C (86 F) in 116 years, most in 1953 with 118.
Anna 4 N: days with a maximum temperature at or above 90 F (32.2 C) in 116 years, most in 1901 with 90.
19 fixed thresholds have at least one qualifying day at Anna 4 N.

Days at or above 30 C (86 F)

116 years with a qualifying day

Days per year at Anna 4 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 1953.

Days at or above 30 C (86 F) per year at Anna 4 N
Year	Days	Decade average
1896	77	88
1897	96	88
1898	81	88
1899	98	88
1901	105	87.7
1902	91	87.7
1903	85	87.7
1904	66	87.7
1905	74	87.7
1906	85	87.7
1907	82	87.7
1908	104	87.7
1909	97	87.7
1910	97	86.8
1911	113	86.8
1912	76	86.8
1913	107	86.8
1914	97	86.8
1915	50	86.8
1916	84	86.8
1917	63	86.8
1918	84	86.8
1919	97	86.8
1920	79	77.3
1921	100	77.3
1922	94	77.3
1923	71	77.3
1924	75	77.3
1926	92	77.3
1927	54	77.3
1928	62	77.3
1929	69	77.3
1930	70	88.8
1931	98	88.8
1932	69	88.8
1933	100	88.8
1934	95	88.8
1935	74	88.8
1936	111	88.8
1937	92	88.8
1938	84	88.8
1939	95	88.8
1940	54	68.1
1941	86	68.1
1942	47	68.1
1943	76	68.1
1944	81	68.1
1945	52	68.1
1946	61	68.1
1947	76	68.1
1948	77	68.1
1949	71	68.1
1950	39	79.7
1951	69	79.7
1952	94	79.7
1953	118	79.7
1954	97	79.7
1955	87	79.7
1956	80	79.7
1957	60	79.7
1958	62	79.7
1959	91	79.7
1960	79	79.1
1961	76	79.1
1962	92	79.1
1963	93	79.1
1964	90	79.1
1965	80	79.1
1966	70	79.1
1967	53	79.1
1968	75	79.1
1969	83	79.1
1970	76	67.2
1971	76	67.2
1972	62	67.2
1973	64	67.2
1974	53	67.2
1975	66	67.2
1976	51	67.2
1977	81	67.2
1978	85	67.2
1979	58	67.2
1980	102	80
1981	62	80
1982	64	80
1983	92	80
1984	77	80
1985	64	80
1986	85	80
1987	102	80
1988	83	80
1989	69	80
1990	60	70.4
1991	88	70.4
1992	44	70.4
1993	67	70.4
1994	61	70.4
1995	74	70.4
1996	69	70.4
1997	58	70.4
1998	98	70.4
1999	85	70.4
2000	70	73.4
2001	67	73.4
2002	87	73.4
2003	58	73.4
2004	49	73.4
2005	92	73.4
2006	59	73.4
2007	105	73.4
2010	117	106
2011	95	106
2023	47	57.3
2024	53	57.3
2025	60	57.3
2026	69	57.3

For each year, a bar from the first to the last day at Anna 4 N meeting 30 C (86 F).

First to last qualifying date each year at Anna 4 N
Year	First date	Last date
1896	1896-05-06	1896-09-18
1897	1897-06-10	1897-10-16
1898	1898-05-23	1898-10-05
1899	1899-04-27	1899-10-15
1901	1901-04-28	1901-10-23
1902	1902-05-02	1902-09-08
1903	1903-05-22	1903-10-03
1904	1904-05-24	1904-09-29
1905	1905-04-28	1905-10-07
1906	1906-04-28	1906-09-22
1907	1907-03-21	1907-10-03
1908	1908-05-15	1908-10-21
1909	1909-05-06	1909-10-04
1910	1910-03-23	1910-10-19
1911	1911-03-11	1911-10-15
1912	1912-04-15	1912-10-11
1913	1913-04-18	1913-10-10
1914	1914-05-05	1914-09-21
1915	1915-04-25	1915-09-27
1916	1916-05-06	1916-10-08
1917	1917-05-19	1917-10-15
1918	1918-05-22	1918-10-06
1919	1919-04-23	1919-10-03
1920	1920-05-23	1920-10-21
1921	1921-05-19	1921-09-29
1922	1922-05-31	1922-10-05
1923	1923-05-30	1923-09-29
1924	1924-04-16	1924-10-20
1926	1926-05-24	1926-10-03
1927	1927-06-10	1927-10-28
1928	1928-05-10	1928-10-13
1929	1929-03-24	1929-09-29
1930	1930-04-10	1930-09-23
1931	1931-05-17	1931-10-10
1932	1932-05-31	1932-09-18
1933	1933-05-19	1933-09-30
1934	1934-04-04	1934-09-26
1935	1935-04-25	1935-10-14
1936	1936-05-05	1936-09-22
1937	1937-04-17	1937-10-05
1938	1938-05-19	1938-10-18
1939	1939-03-23	1939-10-08
1940	1940-05-06	1940-09-22
1941	1941-04-12	1941-10-06
1942	1942-05-28	1942-09-14
1943	1943-05-05	1943-09-04
1944	1944-05-12	1944-09-20
1945	1945-05-31	1945-09-23
1946	1946-06-07	1946-10-06
1947	1947-05-13	1947-10-22
1948	1948-05-21	1948-09-21
1949	1949-05-03	1949-09-20
1950	1950-05-23	1950-10-17
1951	1951-05-01	1951-10-05
1952	1952-04-29	1952-10-01
1953	1953-05-24	1953-10-22
1954	1954-05-24	1954-10-05
1955	1955-05-03	1955-09-29
1956	1956-05-12	1956-09-26
1957	1957-05-15	1957-09-18
1958	1958-05-12	1958-09-26
1959	1959-04-30	1959-10-04
1960	1960-05-23	1960-09-26
1961	1961-05-31	1961-10-12
1962	1962-05-08	1962-09-13
1963	1963-04-21	1963-10-23
1964	1964-05-17	1964-09-22
1965	1965-04-22	1965-09-20
1966	1966-05-23	1966-09-12
1967	1967-05-11	1967-10-05
1968	1968-05-01	1968-09-30
1969	1969-05-05	1969-10-04
1970	1970-05-13	1970-09-22
1971	1971-04-19	1971-10-03
1972	1972-05-20	1972-09-20
1973	1973-06-09	1973-09-23
1974	1974-05-19	1974-08-28
1975	1975-05-20	1975-10-13
1976	1976-06-09	1976-10-02
1977	1977-04-15	1977-10-01
1978	1978-05-24	1978-09-20
1979	1979-06-05	1979-09-13
1980	1980-04-22	1980-10-10
1981	1981-06-05	1981-09-30
1982	1982-05-16	1982-09-15
1983	1983-06-10	1983-09-29
1984	1984-05-25	1984-09-21
1985	1985-05-12	1985-09-22
1986	1986-05-07	1986-10-04
1987	1987-04-20	1987-09-26
1988	1988-05-14	1988-09-29
1989	1989-04-22	1989-10-14
1990	1990-06-07	1990-09-28
1991	1991-05-15	1991-09-16
1992	1992-04-15	1992-09-14
1993	1993-06-07	1993-09-12
1994	1994-05-23	1994-09-14
1995	1995-05-14	1995-09-15
1996	1996-05-19	1996-09-12
1997	1997-05-19	1997-10-05
1998	1998-05-13	1998-09-30
1999	1999-06-04	1999-09-29
2000	2000-05-23	2000-10-05
2001	2001-04-27	2001-09-07
2002	2002-05-31	2002-10-03
2003	2003-06-23	2003-09-03
2004	2004-05-20	2004-09-07
2005	2005-05-11	2005-10-19
2006	2006-04-14	2006-10-05
2007	2007-04-30	2007-10-09
2010	2010-04-16	2010-10-12
2011	2011-04-09	2011-09-30
2023	2023-05-15	2023-10-05
2024	2024-04-18	2024-09-22
2025	2025-06-21	2025-10-03
2026	2026-03-22	2026-10-14

Every Fixed Threshold

Fixed thresholds at Anna 4 N
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	116	118	1953	69
35 C (95 F): Days	110	60	1913	9
40 C (104 F): Days	14	10	1936	1
90 F (32.2 C): Days	116	90	1901	34
100 F (37.8 C): Days	43	33	1901	1
110 F (43.3 C): Days	2	1	1901	1
0 C (32 F): Ice days (max	116	39	1978	15
0 C (32 F): Frost days (min	116	114	1996	51
-10 C (14 F): Days with min	114	37	1963	15
-20 C (-4 F): Days with min	44	7	1899	1
20 C (68 F): Tropical nights (min	116	87	1921	63
25 C (77 F): Days with min	52	13	1930	2
10 mm (0.39 in): Days with 10 mm or more rain	118	57	1945	22
25 mm (0.98 in): Days with 25 mm or more rain	118	26	2011	7
50 mm (1.97 in): Days with 50 mm or more rain	111	9	1928	2
100 mm (3.94 in): Days with 100 mm or more rain	30	2	1910	1
10 cm (3.9 in): Days with 10 cm or more snowfall	66	5	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	7	1	1910	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1979	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

Data for Anna 4 N 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).

Anna 4 N Threshold Days by Year (USC00110187)

Key Facts for Anna 4 N Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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