Arlington Threshold Days by Year

18 fixed thresholds counted per year at Arlington (USC00350265): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arlington Thresholds

Arlington: days with a maximum temperature at or above 30 C (86 F) in 98 years, most in 1967 with 107.
Arlington: days with a maximum temperature at or above 35 C (95 F) in 98 years, most in 1967 with 60.
Arlington: days with a maximum temperature at or above 90 F (32.2 C) in 98 years, most in 1967 with 86.
Arlington: days with a maximum temperature at or above 100 F (37.8 C) in 97 years, most in 1961 with 32.
18 fixed thresholds have at least one qualifying day at Arlington.

Days at or above 30 C (86 F)

98 years with a qualifying day

Days per year at Arlington with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 107 in 1967.

Days at or above 30 C (86 F) per year at Arlington
Year	Days	Decade average
1893	41	47.2
1894	52	47.2
1895	41	47.2
1897	55	47.2
1898	55	47.2
1899	39	47.2
1901	50	57.7
1904	61	57.7
1905	62	57.7
1925	78	79.8
1926	83	79.8
1928	78	79.8
1929	80	79.8
1930	66	72.9
1932	71	72.9
1934	92	72.9
1936	70	72.9
1937	62	72.9
1938	78	72.9
1939	71	72.9
1940	79	60.8
1941	57	60.8
1942	61	60.8
1943	63	60.8
1944	58	60.8
1945	67	60.8
1946	43	60.8
1949	58	60.8
1950	79	69.8
1951	78	69.8
1952	76	69.8
1953	61	69.8
1954	51	69.8
1956	74	69.8
1957	71	69.8
1958	89	69.8
1959	49	69.8
1960	79	76.6
1961	79	76.6
1962	67	76.6
1963	77	76.6
1964	55	76.6
1965	65	76.6
1966	83	76.6
1967	107	76.6
1968	70	76.6
1969	84	76.6
1970	79	69.8
1971	66	69.8
1972	79	69.8
1974	88	69.8
1975	59	69.8
1976	55	69.8
1977	73	69.8
1978	53	69.8
1979	76	69.8
1980	48	64.6
1981	60	64.6
1982	47	64.6
1983	62	64.6
1984	68	64.6
1985	78	64.6
1986	73	64.6
1987	89	64.6
1988	68	64.6
1989	53	64.6
1990	69	62
1996	55	62
1997	62	62
1998	67	62
1999	57	62
2000	58	62.6
2001	65	62.6
2002	63	62.6
2003	84	62.6
2004	68	62.6
2005	63	62.6
2006	76	62.6
2007	57	62.6
2008	54	62.6
2009	38	62.6
2010	49	65.4
2011	51	65.4
2012	63	65.4
2013	80	65.4
2014	69	65.4
2015	78	65.4
2016	67	65.4
2017	80	65.4
2018	60	65.4
2019	57	65.4
2020	58	68.4
2021	74	68.4
2022	62	68.4
2023	75	68.4
2024	60	68.4
2025	75	68.4
2026	75	68.4

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

First to last qualifying date each year at Arlington
Year	First date	Last date
1893	1893-06-05	1893-09-05
1894	1894-05-23	1894-09-10
1895	1895-04-23	1895-08-31
1897	1897-05-12	1897-09-25
1898	1898-05-15	1898-09-18
1899	1899-06-15	1899-09-26
1901	1901-05-25	1901-08-31
1904	1904-05-21	1904-10-02
1905	1905-05-27	1905-09-25
1925	1925-04-09	1925-09-24
1926	1926-04-15	1926-09-06
1928	1928-05-05	1928-09-05
1929	1929-05-11	1929-09-17
1930	1930-05-01	1930-09-18
1932	1932-06-09	1932-10-03
1934	1934-04-20	1934-09-18
1936	1936-05-10	1936-09-24
1937	1937-05-02	1937-10-14
1938	1938-05-22	1938-09-22
1939	1939-04-18	1939-09-23
1940	1940-05-09	1940-09-26
1941	1941-05-11	1941-09-25
1942	1942-05-21	1942-09-28
1943	1943-05-24	1943-10-08
1944	1944-05-05	1944-09-25
1945	1945-05-03	1945-09-14
1946	1946-05-03	1946-09-24
1949	1949-04-17	1949-09-28
1950	1950-05-12	1950-09-23
1951	1951-05-10	1951-09-19
1952	1952-04-18	1952-10-03
1953	1953-05-04	1953-09-19
1954	1954-05-07	1954-09-26
1956	1956-04-19	1956-09-25
1957	1957-04-29	1957-09-25
1958	1958-05-16	1958-10-05
1959	1959-05-13	1959-09-13
1960	1960-05-10	1960-09-30
1961	1961-05-19	1961-09-09
1962	1962-04-18	1962-09-26
1963	1963-05-18	1963-09-30
1964	1964-05-31	1964-09-24
1965	1965-05-11	1965-09-25
1966	1966-05-02	1966-09-28
1967	1967-05-16	1967-09-29
1968	1968-04-28	1968-09-30
1969	1969-05-07	1969-09-12
1970	1970-05-02	1970-09-30
1971	1971-05-02	1971-09-05
1972	1972-05-13	1972-09-16
1974	1974-06-01	1974-09-26
1975	1975-05-14	1975-09-22
1976	1976-05-08	1976-09-29
1977	1977-04-07	1977-09-14
1978	1978-05-20	1978-08-30
1979	1979-05-13	1979-10-04
1980	1980-05-04	1980-10-05
1981	1981-06-24	1981-09-18
1982	1982-05-24	1982-09-18
1983	1983-05-20	1983-09-06
1984	1984-05-28	1984-09-19
1985	1985-05-02	1985-09-03
1986	1986-04-20	1986-09-04
1987	1987-04-27	1987-10-08
1988	1988-05-11	1988-09-15
1989	1989-05-05	1989-09-24
1990	1990-05-05	1990-09-30
1996	1996-06-03	1996-09-30
1997	1997-05-12	1997-09-26
1998	1998-04-30	1998-09-17
1999	1999-05-24	1999-09-23
2000	2000-06-05	2000-09-19
2001	2001-05-14	2001-09-23
2002	2002-06-13	2002-09-14
2003	2003-05-24	2003-09-29
2004	2004-06-04	2004-09-29
2005	2005-05-27	2005-09-08
2006	2006-05-15	2006-09-30
2007	2007-05-08	2007-09-13
2008	2008-05-15	2008-09-16
2009	2009-05-23	2009-09-24
2010	2010-06-24	2010-09-29
2011	2011-06-22	2011-09-24
2012	2012-04-24	2012-09-21
2013	2013-05-07	2013-09-16
2014	2014-05-23	2014-10-08
2015	2015-05-28	2015-09-13
2016	2016-04-21	2016-09-28
2017	2017-05-05	2017-09-13
2018	2018-05-14	2018-09-08
2019	2019-05-12	2019-09-13
2020	2020-05-29	2020-09-11
2021	2021-05-15	2021-09-26
2022	2022-06-03	2022-09-11
2023	2023-05-14	2023-09-18
2024	2024-05-11	2024-09-25
2025	2025-05-26	2025-09-21
2026	2026-05-03	2026-10-06

Every Fixed Threshold

Fixed thresholds at Arlington
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	98	107	1967	75
35 C (95 F): Days	98	60	1967	11
40 C (104 F): Days	68	16	1971	1
45 C (113 F): Days	4	2	2021	2
90 F (32.2 C): Days	98	86	1967	45
100 F (37.8 C): Days	97	32	1961	1
110 F (43.3 C): Days	10	3	1928	3
0 C (32 F): Ice days (max	90	53	1985	3
0 C (32 F): Frost days (min	94	109	1985	38
-10 C (14 F): Days with min	77	25	1937	3
-20 C (-4 F): Days with min	22	8	1957	5
-30 C (-22 F): Days with min	1	1	1957	1
20 C (68 F): Tropical nights (min	94	42	2021	12
25 C (77 F): Days with min	31	3	1938	2
10 mm (0.39 in): Days with 10 mm or more rain	96	10	2012	4
25 mm (0.98 in): Days with 25 mm or more rain	23	3	1964	1
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1964	1
10 cm (3.9 in): Days with 10 cm or more snowfall	20	2	1942	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Arlington 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).

Arlington Threshold Days by Year

Key Facts for Arlington Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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