Quincy Threshold Days by Year (USC00117067)

20 fixed thresholds counted per year at Quincy (USC00117067): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Quincy Thresholds

Quincy: days with a maximum temperature at or above 30 C (86 F) in 76 years, most in 1936 with 112.
Quincy: days with a maximum temperature at or above 90 F (32.2 C) in 76 years, most in 1936 with 90.
Quincy: days with a maximum temperature at or below 0 C (32 F) in 76 years, most in 1960 with 58.
Quincy: nights with a minimum temperature at or below 0 C (32 F) in 76 years, most in 1904 with 145.
20 fixed thresholds have at least one qualifying day at Quincy.

Days at or above 30 C (86 F)

76 years with a qualifying day

Days per year at Quincy with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 112 in 1936.

Days at or above 30 C (86 F) per year at Quincy
Year	Days	Decade average
1901	97	57.7
1902	53	57.7
1903	43	57.7
1904	22	57.7
1905	65	57.7
1906	66	57.7
1907	46	57.7
1908	67	57.7
1909	60	57.7
1910	55	75.1
1911	85	75.1
1912	79	75.1
1913	95	75.1
1914	95	75.1
1915	48	75.1
1916	70	75.1
1917	58	75.1
1918	71	75.1
1919	95	75.1
1920	77	79.2
1921	100	79.2
1922	99	79.2
1923	83	79.2
1924	63	79.2
1925	93	79.2
1926	72	79.2
1927	64	79.2
1928	70	79.2
1929	71	79.2
1930	97	91.3
1931	93	91.3
1932	79	91.3
1933	99	91.3
1934	101	91.3
1935	71	91.3
1936	112	91.3
1937	89	91.3
1938	87	91.3
1939	85	91.3
1940	75	74.3
1941	89	74.3
1942	72	74.3
1943	72	74.3
1944	83	74.3
1945	60	74.3
1946	61	74.3
1947	77	74.3
1948	78	74.3
1949	76	74.3
1950	53	75.4
1951	60	75.4
1952	84	75.4
1953	91	75.4
1954	87	75.4
1955	86	75.4
1956	98	75.4
1957	64	75.4
1958	46	75.4
1959	85	75.4
1960	65	65.3
1961	64	65.3
1962	78	65.3
1963	79	65.3
1964	83	65.3
1965	58	65.3
1966	59	65.3
1967	45	65.3
1968	65	65.3
1969	57	65.3
1970	57	59.6
1971	68	59.6
1972	61	59.6
1973	46	59.6
1974	47	59.6
1975	75	59.6
1976	63	59.6

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

First to last qualifying date each year at Quincy
Year	First date	Last date
1901	1901-04-28	1901-10-01
1902	1902-04-21	1902-08-29
1903	1903-05-16	1903-09-13
1904	1904-05-22	1904-09-28
1905	1905-05-10	1905-09-29
1906	1906-04-25	1906-09-18
1907	1907-03-21	1907-09-19
1908	1908-05-16	1908-09-26
1909	1909-04-29	1909-09-20
1910	1910-03-23	1910-08-30
1911	1911-05-09	1911-09-27
1912	1912-05-04	1912-10-07
1913	1913-05-02	1913-09-11
1914	1914-04-17	1914-10-07
1915	1915-04-26	1915-10-04
1916	1916-05-08	1916-10-09
1917	1917-05-19	1917-09-25
1918	1918-05-09	1918-10-16
1919	1919-05-29	1919-10-03
1920	1920-05-22	1920-09-26
1921	1921-05-19	1921-09-23
1922	1922-05-10	1922-10-05
1923	1923-05-30	1923-09-29
1924	1924-04-15	1924-10-19
1925	1925-04-12	1925-09-30
1926	1926-05-06	1926-09-21
1927	1927-05-23	1927-09-18
1928	1928-05-02	1928-10-12
1929	1929-04-04	1929-09-29
1930	1930-04-10	1930-10-10
1931	1931-05-26	1931-10-05
1932	1932-05-14	1932-09-19
1933	1933-05-19	1933-09-30
1934	1934-05-06	1934-09-25
1935	1935-06-12	1935-09-25
1936	1936-04-30	1936-09-23
1937	1937-04-23	1937-10-06
1938	1938-04-27	1938-10-17
1939	1939-05-17	1939-10-23
1940	1940-05-05	1940-09-22
1941	1941-04-13	1941-09-23
1942	1942-04-04	1942-09-19
1943	1943-05-05	1943-09-06
1944	1944-05-12	1944-09-20
1945	1945-03-16	1945-09-19
1946	1946-04-01	1946-09-27
1947	1947-05-14	1947-10-06
1948	1948-04-18	1948-09-21
1949	1949-04-25	1949-10-08
1950	1950-05-04	1950-10-31
1951	1951-04-28	1951-10-04
1952	1952-04-29	1952-09-30
1953	1953-05-24	1953-10-03
1954	1954-04-24	1954-10-03
1955	1955-05-02	1955-09-21
1956	1956-04-21	1956-10-12
1957	1957-06-04	1957-09-19
1958	1958-05-11	1958-09-24
1959	1959-05-02	1959-09-22
1960	1960-04-22	1960-09-18
1961	1961-05-31	1961-09-21
1962	1962-04-26	1962-10-14
1963	1963-04-16	1963-10-26
1964	1964-04-16	1964-09-20
1965	1965-04-30	1965-09-19
1966	1966-05-05	1966-09-02
1967	1967-05-18	1967-10-04
1968	1968-05-01	1968-09-07
1969	1969-05-27	1969-10-04
1970	1970-04-28	1970-09-25
1971	1971-04-12	1971-10-01
1972	1972-05-19	1972-09-20
1973	1973-06-08	1973-09-01
1974	1974-05-13	1974-08-27
1975	1975-04-17	1975-10-13
1976	1976-06-07	1976-10-03

Every Fixed Threshold

Fixed thresholds at Quincy
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	76	112	1936	63
35 C (95 F): Days	74	65	1936	12
40 C (104 F): Days	23	26	1936	3
45 C (113 F): Days	1	1	1936	1
90 F (32.2 C): Days	76	90	1936	32
100 F (37.8 C): Days	48	47	1936	1
110 F (43.3 C): Days	4	5	1934	2
0 C (32 F): Ice days (max	76	58	1960	30
0 C (32 F): Frost days (min	76	145	1904	127
-10 C (14 F): Days with min	76	50	1963	40
-20 C (-4 F): Days with min	57	18	1918	3
-30 C (-22 F): Days with min	1	1	1905	1
20 C (68 F): Tropical nights (min	76	86	1921	24
25 C (77 F): Days with min	59	35	1936	3
10 mm (0.39 in): Days with 10 mm or more rain	76	46	1973	23
25 mm (0.98 in): Days with 25 mm or more rain	76	20	1970	10
50 mm (1.97 in): Days with 50 mm or more rain	64	6	1970	2
100 mm (3.94 in): Days with 100 mm or more rain	14	2	1968	1
10 cm (3.9 in): Days with 10 cm or more snowfall	61	5	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1915	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

Data for Quincy 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).

Quincy Threshold Days by Year (USC00117067)

Key Facts for Quincy Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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