Ardmore Threshold Days by Year (USC00340292)

19 fixed thresholds counted per year at Ardmore (USC00340292): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ardmore Thresholds

Ardmore: days with 10 mm (0.39 in) or more of precipitation in 118 years, most in 2015 with 44.
Ardmore: days with 25 mm (0.98 in) or more of precipitation in 118 years, most in 1945 with 21.
Ardmore: days with 50 mm (1.97 in) or more of precipitation in 111 years, most in 2015 with 11.
Ardmore: days with a maximum temperature at or above 30 C (86 F) in 97 years, most in 1963 with 166.
19 fixed thresholds have at least one qualifying day at Ardmore.

Days at or above 30 C (86 F)

97 years with a qualifying day

Days per year at Ardmore with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 166 in 1963.

Days at or above 30 C (86 F) per year at Ardmore
Year	Days	Decade average
1902	120	118
1903	107	118
1904	128	118
1905	126	118
1906	104	118
1907	123	118
1908	93	118
1909	143	118
1910	142	126.4
1911	148	126.4
1912	111	126.4
1914	123	126.4
1915	100	126.4
1916	136	126.4
1917	123	126.4
1918	145	126.4
1919	110	126.4
1920	128	125.7
1921	136	125.7
1922	121	125.7
1923	109	125.7
1924	132	125.7
1925	142	125.7
1926	119	125.7
1927	128	125.7
1928	139	125.7
1929	103	125.7
1930	116	131.8
1931	137	131.8
1932	130	131.8
1933	138	131.8
1934	141	131.8
1935	99	131.8
1936	131	131.8
1937	137	131.8
1938	142	131.8
1939	147	131.8
1940	112	115.8
1941	115	115.8
1942	114	115.8
1943	128	115.8
1944	117	115.8
1945	111	115.8
1946	108	115.8
1948	123	115.8
1949	114	115.8
1950	101	135.6
1951	131	135.6
1952	144	135.6
1953	136	135.6
1954	143	135.6
1955	145	135.6
1956	161	135.6
1958	123	135.6
1959	136	135.6
1960	138	129
1961	111	129
1962	147	129
1963	166	129
1964	119	129
1965	119	129
1966	122	129
1967	129	129
1968	111	129
1969	128	129
1970	119	126
1971	124	126
1972	141	126
1973	121	126
1974	114	126
1975	123	126
1976	105	126
1977	135	126
1978	143	126
1979	135	126
1980	140	117.4
1982	112	117.4
1986	102	117.4
1987	111	117.4
1988	122	117.4
1991	106	106.8
1992	89	106.8
1993	109	106.8
1994	101	106.8
1995	105	106.8
1996	94	106.8
1997	118	106.8
1998	137	106.8
1999	102	106.8
2001	109	114
2002	114	114
2003	107	114
2004	92	114
2005	129	114
2006	136	114
2007	104	114
2008	121	114

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

First to last qualifying date each year at Ardmore
Year	First date	Last date
1902	1902-03-04	1902-09-29
1903	1903-04-01	1903-10-01
1904	1904-02-25	1904-10-16
1905	1905-04-08	1905-10-16
1906	1906-04-09	1906-11-09
1907	1907-03-18	1907-10-23
1908	1908-03-15	1908-11-07
1909	1909-03-05	1909-10-16
1910	1910-03-05	1910-10-26
1911	1911-01-31	1911-11-11
1912	1912-03-19	1912-10-10
1914	1914-03-25	1914-11-05
1915	1915-04-28	1915-10-30
1916	1916-03-05	1916-11-02
1917	1917-02-25	1917-10-28
1918	1918-02-23	1918-10-13
1919	1919-04-23	1919-10-23
1920	1920-03-27	1920-10-12
1921	1921-03-15	1921-10-23
1922	1922-05-05	1922-10-26
1923	1923-04-07	1923-10-01
1924	1924-04-14	1924-11-06
1925	1925-03-07	1925-10-23
1926	1926-04-23	1926-10-19
1927	1927-04-03	1927-10-26
1928	1928-03-12	1928-10-15
1929	1929-03-23	1929-09-28
1930	1930-04-09	1930-10-11
1931	1931-05-15	1931-10-12
1932	1932-03-20	1932-10-23
1933	1933-04-09	1933-10-21
1934	1934-04-10	1934-11-09
1935	1935-03-26	1935-10-16
1936	1936-03-15	1936-10-19
1937	1937-04-15	1937-10-30
1938	1938-04-30	1938-11-17
1939	1939-04-26	1939-10-25
1940	1940-03-31	1940-10-25
1941	1941-05-06	1941-10-23
1942	1942-04-04	1942-10-12
1943	1943-01-24	1943-09-23
1944	1944-05-12	1944-10-25
1945	1945-05-13	1945-11-06
1946	1946-03-30	1946-10-30
1948	1948-04-07	1948-10-16
1949	1949-04-08	1949-10-08
1950	1950-04-02	1950-10-31
1951	1951-03-22	1951-12-30
1952	1952-03-31	1952-10-27
1953	1953-04-08	1953-10-13
1954	1954-03-10	1954-10-18
1955	1955-03-10	1955-11-22
1956	1956-02-24	1956-10-12
1958	1958-04-04	1958-10-20
1959	1959-03-14	1959-10-11
1960	1960-03-31	1960-11-15
1961	1961-04-19	1961-10-12
1962	1962-02-13	1962-10-22
1963	1963-03-28	1963-10-31
1964	1964-04-12	1964-10-18
1965	1965-04-10	1965-11-25
1966	1966-03-31	1966-10-14
1967	1967-03-04	1967-10-13
1968	1968-05-02	1968-10-30
1969	1969-04-22	1969-10-12
1970	1970-05-11	1970-10-07
1971	1971-03-13	1971-10-12
1972	1972-04-06	1972-10-18
1973	1973-05-09	1973-10-10
1974	1974-03-06	1974-10-18
1975	1975-04-24	1975-10-14
1976	1976-03-02	1976-10-12
1977	1977-05-03	1977-11-01
1978	1978-04-04	1978-10-22
1979	1979-04-15	1979-10-22
1980	1980-04-06	1980-10-10
1982	1982-04-13	1982-10-08
1986	1986-05-12	1986-10-04
1987	1987-04-17	1987-09-25
1988	1988-04-04	1988-10-17
1991	1991-03-05	1991-10-24
1992	1992-05-05	1992-10-31
1993	1993-04-10	1993-10-16
1994	1994-03-19	1994-10-06
1995	1995-03-22	1995-10-27
1996	1996-02-21	1996-09-24
1997	1997-03-21	1997-10-07
1998	1998-05-07	1998-10-05
1999	1999-04-23	1999-10-15
2001	2001-05-12	2001-10-23
2002	2002-04-17	2002-10-06
2003	2003-04-19	2003-10-24
2004	2004-05-13	2004-10-19
2005	2005-03-13	2005-10-20
2006	2006-03-01	2006-10-06
2007	2007-05-13	2007-10-21
2008	2008-03-27	2008-10-06

Every Fixed Threshold

Fixed thresholds at Ardmore
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	97	166	1963	121
35 C (95 F): Days	96	103	1956	40
40 C (104 F): Days	61	32	1980	3
45 C (113 F): Days	1	2	1936	2
90 F (32.2 C): Days	97	143	1956	86
100 F (37.8 C): Days	87	65	1980	15
110 F (43.3 C): Days	12	4	1980	4
0 C (32 F): Ice days (max	82	12	1948	5
0 C (32 F): Frost days (min	91	80	1904	29
-10 C (14 F): Days with min	83	16	1905	2
-20 C (-4 F): Days with min	1	1	1930	1
20 C (68 F): Tropical nights (min	91	131	1998	95
25 C (77 F): Days with min	79	55	1998	20
10 mm (0.39 in): Days with 10 mm or more rain	118	44	2015	20
25 mm (0.98 in): Days with 25 mm or more rain	118	21	1945	12
50 mm (1.97 in): Days with 50 mm or more rain	111	11	2015	4
100 mm (3.94 in): Days with 100 mm or more rain	34	3	1993	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2015	1
10 cm (3.9 in): Days with 10 cm or more snowfall	33	3	1966	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

Data for Ardmore 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Ardmore Threshold Days by Year (USC00340292)

Key Facts for Ardmore Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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