Smithfield Threshold Days by Year (USC00317994)

18 fixed thresholds counted per year at Smithfield (USC00317994): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Smithfield Thresholds

Smithfield: days with a maximum temperature at or above 30 C (86 F) in 103 years, most in 1941 with 132.
Smithfield: days with a maximum temperature at or above 35 C (95 F) in 103 years, most in 1954 with 47.
Smithfield: days with a maximum temperature at or above 90 F (32.2 C) in 103 years, most in 1941 with 96.
Smithfield: nights with a minimum temperature at or below 0 C (32 F) in 102 years, most in 1968 with 98.
18 fixed thresholds have at least one qualifying day at Smithfield.

Days at or above 30 C (86 F)

103 years with a qualifying day

Days per year at Smithfield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 132 in 1941.

Days at or above 30 C (86 F) per year at Smithfield
Year	Days	Decade average
1893	66	66
1913	99	93.3
1914	100	93.3
1915	105	93.3
1916	90	93.3
1917	83	93.3
1918	80	93.3
1919	96	93.3
1920	86	101.3
1921	116	101.3
1922	121	101.3
1923	95	101.3
1924	86	101.3
1925	125	101.3
1926	115	101.3
1927	94	101.3
1928	85	101.3
1929	90	101.3
1930	110	101.9
1931	112	101.9
1932	101	101.9
1933	109	101.9
1934	81	101.9
1935	90	101.9
1936	101	101.9
1937	90	101.9
1938	101	101.9
1939	124	101.9
1940	99	104.3
1941	132	104.3
1942	121	104.3
1943	112	104.3
1944	84	104.3
1945	111	104.3
1946	85	104.3
1947	96	104.3
1948	106	104.3
1949	97	104.3
1950	101	111
1951	121	111
1952	119	111
1953	113	111
1954	130	111
1955	101	111
1956	96	111
1957	118	111
1958	93	111
1959	118	111
1960	119	99.6
1961	99	99.6
1962	114	99.6
1963	98	99.6
1964	94	99.6
1965	103	99.6
1966	84	99.6
1967	80	99.6
1968	108	99.6
1969	97	99.6
1970	121	97.9
1971	96	97.9
1972	90	97.9
1973	115	97.9
1974	88	97.9
1975	98	97.9
1976	99	97.9
1977	97	97.9
1978	105	97.9
1979	70	97.9
1980	110	96.7
1981	87	96.7
1989	93	96.7
1990	103	93.1
1991	103	93.1
1992	77	93.1
1993	108	93.1
1994	101	93.1
1995	87	93.1
1996	88	93.1
1997	89	93.1
1998	101	93.1
1999	74	93.1
2000	78	77.4
2001	78	77.4
2002	107	77.4
2003	56	77.4
2004	54	77.4
2005	82	77.4
2006	73	77.4
2007	93	77.4
2008	79	77.4
2009	74	77.4
2010	116	99.4
2011	91	99.4
2012	82	99.4
2013	75	99.4
2014	60	99.4
2016	114	99.4
2017	111	99.4
2018	126	99.4
2019	120	99.4
2024	116	111.7
2025	92	111.7
2026	127	111.7

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

First to last qualifying date each year at Smithfield
Year	First date	Last date
1893	1893-04-08	1893-09-25
1913	1913-04-24	1913-10-01
1914	1914-04-27	1914-10-11
1915	1915-04-20	1915-10-16
1916	1916-04-14	1916-10-10
1917	1917-04-19	1917-09-09
1918	1918-03-01	1918-10-06
1919	1919-04-08	1919-11-01
1920	1920-04-20	1920-10-14
1921	1921-03-22	1921-10-12
1922	1922-03-20	1922-10-29
1923	1923-04-24	1923-10-31
1924	1924-04-10	1924-09-13
1925	1925-04-13	1925-10-16
1926	1926-04-23	1926-10-20
1927	1927-04-20	1927-10-23
1928	1928-05-04	1928-10-18
1929	1929-03-24	1929-09-29
1930	1930-04-11	1930-10-17
1931	1931-05-09	1931-10-25
1932	1932-04-23	1932-10-04
1933	1933-05-11	1933-11-01
1934	1934-04-03	1934-09-29
1935	1935-03-21	1935-10-23
1936	1936-04-15	1936-09-28
1937	1937-04-23	1937-10-07
1938	1938-03-24	1938-10-19
1939	1939-03-25	1939-10-27
1940	1940-04-01	1940-10-26
1941	1941-04-14	1941-10-23
1942	1942-04-05	1942-09-27
1943	1943-04-27	1943-10-02
1944	1944-05-14	1944-10-07
1945	1945-03-16	1945-09-29
1946	1946-04-03	1946-09-28
1947	1947-04-06	1947-10-22
1948	1948-03-20	1948-09-22
1949	1949-05-04	1949-10-13
1950	1950-03-27	1950-11-01
1951	1951-04-25	1951-10-07
1952	1952-04-19	1952-10-06
1953	1953-04-01	1953-10-20
1954	1954-04-08	1954-10-14
1955	1955-04-19	1955-10-07
1956	1956-04-29	1956-09-23
1957	1957-04-20	1957-09-24
1958	1958-04-24	1958-09-26
1959	1959-04-09	1959-10-10
1960	1960-04-13	1960-09-20
1961	1961-04-23	1961-11-01
1962	1962-04-22	1962-10-13
1963	1963-04-02	1963-09-21
1964	1964-04-19	1964-09-28
1965	1965-04-09	1965-09-23
1966	1966-05-29	1966-09-15
1967	1967-03-15	1967-10-06
1968	1968-03-21	1968-10-04
1969	1969-04-27	1969-09-17
1970	1970-04-21	1970-09-27
1971	1971-04-13	1971-10-05
1972	1972-04-15	1972-09-29
1973	1973-03-15	1973-10-06
1974	1974-03-07	1974-11-03
1975	1975-05-16	1975-10-14
1976	1976-03-03	1976-09-30
1977	1977-04-11	1977-10-02
1978	1978-04-01	1978-09-23
1979	1979-04-01	1979-09-22
1980	1980-04-23	1980-09-25
1981	1981-04-12	1981-10-06
1989	1989-04-26	1989-09-23
1990	1990-03-13	1990-10-14
1991	1991-04-08	1991-09-20
1992	1992-04-18	1992-09-28
1993	1993-05-11	1993-09-28
1994	1994-04-20	1994-09-27
1995	1995-04-20	1995-09-23
1996	1996-04-23	1996-09-29
1997	1997-05-10	1997-10-09
1998	1998-05-17	1998-10-03
1999	1999-04-09	1999-09-10
2000	2000-05-07	2000-10-07
2001	2001-04-08	2001-10-25
2002	2002-03-17	2002-10-06
2003	2003-05-09	2003-09-04
2004	2004-05-08	2004-08-29
2005	2005-06-06	2005-10-21
2006	2006-04-15	2006-10-04
2007	2007-05-22	2007-10-10
2008	2008-06-02	2008-09-15
2009	2009-04-25	2009-09-22
2010	2010-04-03	2010-10-28
2011	2011-04-25	2011-10-18
2012	2012-04-18	2012-10-03
2013	2013-04-11	2013-10-06
2014	2014-04-03	2014-09-12
2016	2016-03-16	2016-10-20
2017	2017-04-17	2017-10-11
2018	2018-05-02	2018-10-10
2019	2019-04-24	2019-10-12
2024	2024-03-31	2024-11-06
2025	2025-04-03	2025-09-26
2026	2026-03-11	2026-10-14

Every Fixed Threshold

Fixed thresholds at Smithfield
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	103	132	1941	127
35 C (95 F): Days	103	47	1954	48
40 C (104 F): Days	8	9	1952	1
90 F (32.2 C): Days	103	96	1941	96
100 F (37.8 C): Days	54	18	1952	12
0 C (32 F): Ice days (max	60	10	1893	1
0 C (32 F): Frost days (min	102	98	1968	45
-10 C (14 F): Days with min	76	15	1940	1
-20 C (-4 F): Days with min	2	2	1893	1
20 C (68 F): Tropical nights (min	102	114	2018	69
25 C (77 F): Days with min	25	17	1925	1
10 mm (0.39 in): Days with 10 mm or more rain	102	53	1959	25
25 mm (0.98 in): Days with 25 mm or more rain	102	25	1936	6
50 mm (1.97 in): Days with 50 mm or more rain	92	10	2014	1
100 mm (3.94 in): Days with 100 mm or more rain	25	2	1960	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1999	1
10 cm (3.9 in): Days with 10 cm or more snowfall	22	3	1948	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1927	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 Smithfield 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).

Smithfield Threshold Days by Year (USC00317994)

Key Facts for Smithfield Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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