New Castle 1 N Threshold Days by Year

20 fixed thresholds counted per year at New Castle 1 N (USC00366233): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for New Castle 1 N Thresholds

New Castle 1 N: days with 10 mm (0.39 in) or more of precipitation in 108 years, most in 2011 with 50.
New Castle 1 N: days with 25 mm (0.98 in) or more of precipitation in 108 years, most in 1954 with 14.
New Castle 1 N: nights with a minimum temperature at or below 0 C (32 F) in 106 years, most in 1904 with 162.
New Castle 1 N: nights with a minimum temperature at or below -10 C (14 F) in 106 years, most in 1904 with 55.
20 fixed thresholds have at least one qualifying day at New Castle 1 N.

Days at or above 30 C (86 F)

104 years with a qualifying day

Days per year at New Castle 1 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 2016.

Days at or above 30 C (86 F) per year at New Castle 1 N
Year	Days	Decade average
1904	16	27.2
1905	24	27.2
1907	15	27.2
1908	46	27.2
1909	35	27.2
1910	33	45.8
1911	47	45.8
1914	52	45.8
1918	44	45.8
1919	53	45.8
1920	32	48.4
1921	60	48.4
1923	61	48.4
1924	33	48.4
1925	67	48.4
1926	37	48.4
1927	47	48.4
1928	56	48.4
1929	43	48.4
1930	57	54.3
1931	64	54.3
1932	48	54.3
1933	60	54.3
1934	64	54.3
1935	47	54.3
1936	51	54.3
1937	35	54.3
1938	52	54.3
1939	65	54.3
1940	56	54
1941	69	54
1942	53	54
1943	64	54
1944	61	54
1945	54	54
1946	43	54
1947	47	54
1948	35	54
1949	58	54
1950	27	43.8
1951	42	43.8
1952	62	43.8
1953	55	43.8
1954	42	43.8
1955	63	43.8
1956	22	43.8
1957	37	43.8
1958	25	43.8
1959	63	43.8
1960	39	44.3
1961	54	44.3
1962	60	44.3
1963	28	44.3
1964	51	44.3
1965	47	44.3
1966	50	44.3
1967	33	44.3
1968	44	44.3
1969	37	44.3
1970	51	36.2
1971	41	36.2
1972	28	36.2
1973	43	36.2
1974	26	36.2
1975	33	36.2
1976	28	36.2
1977	37	36.2
1978	41	36.2
1979	34	36.2
1980	39	34.3
1981	21	34.3
1982	35	34.3
1983	65	34.3
1984	23	34.3
1985	24	34.3
1986	25	34.3
1987	41	34.3
1988	51	34.3
1989	19	34.3
1990	15	33.5
1991	50	33.5
1992	12	33.5
1993	37	33.5
1994	20	33.5
1995	44	33.5
1996	27	33.5
1997	30	33.5
1998	50	33.5
1999	50	33.5
2001	49	48.2
2002	71	48.2
2003	27	48.2
2004	24	48.2
2005	64	48.2
2006	40	48.2
2007	69	48.2
2008	63	48.2
2009	27	48.2
2010	69	63.5
2011	66	63.5
2012	65	63.5
2015	61	63.5
2016	85	63.5
2019	35	63.5

For each year, a bar from the first to the last day at New Castle 1 N meeting 30 C (86 F).

First to last qualifying date each year at New Castle 1 N
Year	First date	Last date
1904	1904-05-25	1904-09-29
1905	1905-05-04	1905-09-29
1907	1907-06-23	1907-09-20
1908	1908-05-25	1908-09-27
1909	1909-05-31	1909-10-08
1910	1910-06-17	1910-08-25
1911	1911-05-16	1911-09-03
1914	1914-04-19	1914-09-23
1918	1918-05-03	1918-08-27
1919	1919-05-29	1919-10-04
1920	1920-05-30	1920-09-27
1921	1921-05-21	1921-09-18
1923	1923-05-27	1923-09-28
1924	1924-05-07	1924-09-02
1925	1925-04-24	1925-09-21
1926	1926-05-04	1926-10-06
1927	1927-04-21	1927-10-07
1928	1928-05-06	1928-10-14
1929	1929-05-29	1929-09-30
1930	1930-04-13	1930-09-28
1931	1931-05-20	1931-10-09
1932	1932-05-18	1932-09-24
1933	1933-05-25	1933-09-27
1934	1934-05-08	1934-09-28
1935	1935-06-04	1935-10-16
1936	1936-05-11	1936-09-25
1937	1937-05-04	1937-09-03
1938	1938-04-29	1938-08-30
1939	1939-05-07	1939-10-10
1940	1940-05-14	1940-09-22
1941	1941-04-19	1941-10-08
1942	1942-04-26	1942-09-16
1943	1943-05-06	1943-09-07
1944	1944-05-04	1944-09-19
1945	1945-05-16	1945-09-10
1946	1946-06-08	1946-10-07
1947	1947-06-10	1947-09-21
1948	1948-04-26	1948-09-17
1949	1949-05-04	1949-10-10
1950	1950-05-05	1950-08-29
1951	1951-06-01	1951-10-06
1952	1952-06-06	1952-10-01
1953	1953-05-10	1953-09-30
1954	1954-04-21	1954-09-29
1955	1955-05-04	1955-09-20
1956	1956-06-12	1956-09-01
1957	1957-04-27	1957-09-03
1958	1958-05-18	1958-09-07
1959	1959-05-06	1959-10-05
1960	1960-04-23	1960-09-09
1961	1961-05-14	1961-09-25
1962	1962-04-27	1962-09-14
1963	1963-05-09	1963-07-28
1964	1964-05-19	1964-09-11
1965	1965-05-08	1965-09-23
1966	1966-06-06	1966-09-04
1967	1967-05-27	1967-08-17
1968	1968-06-06	1968-09-22
1969	1969-05-29	1969-09-05
1970	1970-04-30	1970-09-25
1971	1971-05-18	1971-09-29
1972	1972-05-22	1972-09-18
1973	1973-06-05	1973-09-05
1974	1974-05-14	1974-08-27
1975	1975-05-21	1975-08-26
1976	1976-04-17	1976-09-09
1977	1977-05-17	1977-09-05
1978	1978-05-26	1978-09-21
1979	1979-05-08	1979-09-06
1980	1980-05-05	1980-09-13
1981	1981-06-14	1981-09-01
1982	1982-05-06	1982-09-13
1983	1983-06-11	1983-09-20
1984	1984-06-06	1984-09-14
1985	1985-04-23	1985-09-20
1986	1986-04-29	1986-10-01
1987	1987-04-21	1987-08-18
1988	1988-05-30	1988-08-18
1989	1989-06-02	1989-09-10
1990	1990-04-27	1990-09-12
1991	1991-05-13	1991-09-18
1992	1992-05-18	1992-08-28
1993	1993-05-11	1993-09-15
1994	1994-06-07	1994-07-22
1995	1995-06-19	1995-09-07
1996	1996-05-19	1996-09-03
1997	1997-06-21	1997-09-03
1998	1998-05-16	1998-09-28
1999	1999-05-30	1999-09-29
2001	2001-05-02	2001-09-13
2002	2002-04-17	2002-10-05
2003	2003-06-24	2003-08-31
2004	2004-05-14	2004-09-25
2005	2005-06-06	2005-10-07
2006	2006-05-29	2006-08-27
2007	2007-05-09	2007-10-09
2008	2008-06-01	2008-10-13
2009	2009-04-25	2009-08-27
2010	2010-04-03	2010-10-11
2011	2011-05-30	2011-10-10
2012	2012-05-03	2012-09-14
2015	2015-05-08	2015-09-25
2016	2016-05-26	2016-09-24
2019	2019-05-20	2019-10-05

Every Fixed Threshold

Fixed thresholds at New Castle 1 N
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	104	85	2016	35
35 C (95 F): Days	53	15	1931	8
40 C (104 F): Days	2	1	1918	1
90 F (32.2 C): Days	102	60	2016	10
100 F (37.8 C): Days	9	3	1930	1
0 C (32 F): Ice days (max	104	62	1904	29
0 C (32 F): Frost days (min	106	162	1904	122
-10 C (14 F): Days with min	106	55	1904	28
-20 C (-4 F): Days with min	76	15	1918	3
-30 C (-22 F): Days with min	4	2	1918	2
20 C (68 F): Tropical nights (min	102	21	1935	7
25 C (77 F): Days with min	2	4	1905	1
10 mm (0.39 in): Days with 10 mm or more rain	108	50	2011	39
25 mm (0.98 in): Days with 25 mm or more rain	108	14	1954	8
50 mm (1.97 in): Days with 50 mm or more rain	56	3	1929	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	2004	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2004	1
10 cm (3.9 in): Days with 10 cm or more snowfall	62	5	1936	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	1	1944	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

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Data for New Castle 1 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

New Castle 1 N Threshold Days by Year

Key Facts for New Castle 1 N Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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