Worthington Threshold Days by Year

20 fixed thresholds counted per year at Worthington (USC00219166): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Worthington Thresholds

Worthington: nights with a minimum temperature at or below 0 C (32 F) in 74 years, most in 1907 with 197.
Worthington: nights with a minimum temperature at or below -10 C (14 F) in 74 years, most in 1955 with 105.
Worthington: nights with a minimum temperature at or below -20 C (-4 F) in 74 years, most in 1917 with 48.
Worthington: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1968 with 34.
20 fixed thresholds have at least one qualifying day at Worthington.

Days at or above 30 C (86 F)

73 years with a qualifying day

Days per year at Worthington with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 1931.

Days at or above 30 C (86 F) per year at Worthington
Year	Days	Decade average
1895	33	21.8
1896	18	21.8
1897	29	21.8
1898	15	21.8
1899	14	21.8
1900	25	17.6
1901	37	17.6
1902	8	17.6
1906	13	17.6
1907	14	17.6
1908	13	17.6
1909	13	17.6
1910	53	26.9
1911	58	26.9
1912	18	26.9
1913	23	26.9
1914	18	26.9
1915	1	26.9
1916	23	26.9
1917	13	26.9
1918	23	26.9
1919	39	26.9
1920	33	40.6
1921	58	40.6
1922	50	40.6
1923	46	40.6
1924	20	40.6
1925	53	40.6
1926	34	40.6
1927	40	40.6
1928	34	40.6
1929	38	40.6
1930	42	53.2
1931	66	53.2
1932	36	53.2
1933	57	53.2
1934	54	53.2
1935	51	53.2
1936	61	53.2
1937	54	53.2
1938	50	53.2
1939	61	53.2
1940	47	34.3
1941	54	34.3
1942	20	34.3
1943	31	34.3
1944	24	34.3
1945	21	34.3
1946	24	34.3
1947	44	34.3
1948	39	34.3
1949	39	34.3
1950	19	30.1
1951	12	30.1
1952	36	30.1
1953	30	30.1
1954	23	30.1
1955	53	30.1
1956	28	30.1
1957	25	30.1
1958	33	30.1
1959	42	30.1
1960	25	24.9
1961	25	24.9
1962	15	24.9
1963	26	24.9
1964	41	24.9
1965	21	24.9
1966	30	24.9
1967	18	24.9
1968	29	24.9
1969	19	24.9
1970	36	36

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

First to last qualifying date each year at Worthington
Year	First date	Last date
1895	1895-05-08	1895-09-20
1896	1896-06-17	1896-08-22
1897	1897-06-13	1897-10-02
1898	1898-06-17	1898-09-02
1899	1899-07-10	1899-09-07
1900	1900-05-11	1900-08-20
1901	1901-06-23	1901-09-05
1902	1902-05-18	1902-07-29
1906	1906-05-11	1906-09-10
1907	1907-06-16	1907-09-06
1908	1908-07-10	1908-09-19
1909	1909-06-05	1909-08-27
1910	1910-06-12	1910-10-16
1911	1911-05-09	1911-09-01
1912	1912-06-25	1912-09-08
1913	1913-05-29	1913-09-06
1914	1914-05-26	1914-08-22
1915	1915-07-12	1915-07-12
1916	1916-07-05	1916-09-05
1917	1917-07-20	1917-08-26
1918	1918-05-03	1918-08-26
1919	1919-06-17	1919-09-19
1920	1920-06-07	1920-09-25
1921	1921-05-21	1921-09-09
1922	1922-06-04	1922-10-04
1923	1923-06-01	1923-09-27
1924	1924-05-05	1924-08-30
1925	1925-05-20	1925-09-20
1926	1926-05-23	1926-08-28
1927	1927-06-08	1927-09-14
1928	1928-05-08	1928-10-11
1929	1929-04-04	1929-09-03
1930	1930-06-02	1930-10-10
1931	1931-04-08	1931-09-20
1932	1932-05-14	1932-10-01
1933	1933-05-18	1933-09-18
1934	1934-04-30	1934-10-12
1935	1935-06-12	1935-09-24
1936	1936-05-16	1936-09-22
1937	1937-05-29	1937-09-22
1938	1938-06-05	1938-10-03
1939	1939-05-04	1939-09-22
1940	1940-05-12	1940-09-22
1941	1941-05-14	1941-09-20
1942	1942-05-29	1942-09-11
1943	1943-05-28	1943-08-31
1944	1944-05-14	1944-08-13
1945	1945-06-22	1945-09-07
1946	1946-06-06	1946-08-20
1947	1947-06-26	1947-10-21
1948	1948-05-20	1948-09-19
1949	1949-04-26	1949-08-27
1950	1950-05-24	1950-10-31
1951	1951-07-16	1951-08-31
1952	1952-04-28	1952-09-14
1953	1953-05-30	1953-10-03
1954	1954-04-15	1954-08-16
1955	1955-05-21	1955-09-18
1956	1956-05-28	1956-09-28
1957	1957-06-05	1957-09-01
1958	1958-05-12	1958-09-09
1959	1959-05-02	1959-09-09
1960	1960-04-23	1960-09-07
1961	1961-06-01	1961-09-10
1962	1962-04-26	1962-08-28
1963	1963-05-08	1963-10-06
1964	1964-04-17	1964-09-10
1965	1965-05-03	1965-08-18
1966	1966-05-27	1966-08-30
1967	1967-05-26	1967-08-21
1968	1968-05-01	1968-08-24
1969	1969-05-28	1969-08-30
1970	1970-04-29	1970-09-07

Every Fixed Threshold

Fixed thresholds at Worthington
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	73	66	1931	36
35 C (95 F): Days	48	28	1936	2
40 C (104 F): Days	5	7	1936	1
90 F (32.2 C): Days	71	45	1936	14
100 F (37.8 C): Days	17	16	1936	1
110 F (43.3 C): Days	1	1	1936	1
0 C (32 F): Ice days (max	73	105	1950	95
0 C (32 F): Frost days (min	74	197	1907	179
-10 C (14 F): Days with min	74	105	1955	96
-20 C (-4 F): Days with min	74	48	1917	37
-30 C (-22 F): Days with min	34	11	1917	4
20 C (68 F): Tropical nights (min	71	28	1931	4
25 C (77 F): Days with min	9	5	1901	1
10 mm (0.39 in): Days with 10 mm or more rain	74	34	1968	22
25 mm (0.98 in): Days with 25 mm or more rain	74	12	1919	5
50 mm (1.97 in): Days with 50 mm or more rain	51	4	1943	2
100 mm (3.94 in): Days with 100 mm or more rain	7	2	1938	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1913	1
10 cm (3.9 in): Days with 10 cm or more snowfall	19	8	1951	4
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1962	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

Data for Worthington 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).

Worthington Threshold Days by Year

Key Facts for Worthington Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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