Quincy Threshold Days by Year (USC00456880)

17 fixed thresholds counted per year at Quincy (USC00456880): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Quincy Thresholds

Quincy: nights with a minimum temperature at or below 0 C (32 F) in 78 years, most in 1985 with 168.
Quincy: nights with a minimum temperature at or below -10 C (14 F) in 76 years, most in 1985 with 61.
Quincy: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1957 with 11.
Quincy: days with a maximum temperature at or above 30 C (86 F) in 67 years, most in 1958 with 75.
17 fixed thresholds have at least one qualifying day at Quincy.

Days at or above 30 C (86 F)

67 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 75 in 1958.

Days at or above 30 C (86 F) per year at Quincy
Year	Days	Decade average
1943	67	59.8
1944	64	59.8
1946	59	59.8
1947	62	59.8
1948	48	59.8
1949	59	59.8
1950	55	50.2
1951	53	50.2
1952	59	50.2
1953	44	50.2
1954	31	50.2
1955	52	50.2
1956	54	50.2
1957	43	50.2
1958	75	50.2
1959	36	50.2
1960	51	48.4
1961	52	48.4
1962	48	48.4
1963	58	48.4
1964	35	48.4
1966	32	48.4
1967	67	48.4
1968	35	48.4
1969	58	48.4
1970	61	52.3
1971	48	52.3
1972	55	52.3
1973	59	52.3
1974	57	52.3
1975	49	52.3
1976	37	52.3
1977	52	52.3
1978	42	52.3
1979	63	52.3
1980	29	44.4
1981	50	44.4
1984	42	44.4
1985	47	44.4
1986	62	44.4
1987	50	44.4
1988	43	44.4
1989	32	44.4
1990	48	38.9
1991	37	38.9
1992	42	38.9
1993	29	38.9
1997	25	38.9
1998	51	38.9
1999	40	38.9
2000	38	50.5
2001	56	50.5
2002	55	50.5
2003	59	50.5
2004	48	50.5
2005	47	50.5
2011	38	46.7
2012	51	46.7
2013	58	46.7
2014	46	46.7
2017	65	46.7
2018	42	46.7
2019	27	46.7
2022	58	57
2024	51	57
2025	57	57
2026	62	57

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
1943	1943-05-24	1943-10-08
1944	1944-05-14	1944-09-13
1946	1946-04-25	1946-09-13
1947	1947-04-27	1947-09-24
1948	1948-05-26	1948-09-13
1949	1949-05-08	1949-09-27
1950	1950-06-20	1950-09-23
1951	1951-05-22	1951-09-18
1952	1952-05-23	1952-09-26
1953	1953-07-02	1953-09-15
1954	1954-05-17	1954-09-26
1955	1955-06-08	1955-09-11
1956	1956-04-21	1956-09-19
1957	1957-05-28	1957-09-17
1958	1958-05-20	1958-09-10
1959	1959-06-02	1959-09-12
1960	1960-06-10	1960-09-14
1961	1961-05-20	1961-08-31
1962	1962-06-08	1962-09-25
1963	1963-05-20	1963-09-29
1964	1964-06-23	1964-08-24
1966	1966-05-04	1966-09-22
1967	1967-06-14	1967-09-28
1968	1968-06-16	1968-09-05
1969	1969-05-09	1969-09-12
1970	1970-05-16	1970-08-31
1971	1971-05-03	1971-08-31
1972	1972-05-27	1972-09-05
1973	1973-05-13	1973-09-12
1974	1974-06-11	1974-09-24
1975	1975-05-31	1975-09-22
1976	1976-05-06	1976-09-28
1977	1977-04-23	1977-08-23
1978	1978-06-02	1978-08-30
1979	1979-05-22	1979-09-21
1980	1980-07-06	1980-09-17
1981	1981-06-25	1981-09-19
1984	1984-05-29	1984-09-19
1985	1985-05-17	1985-08-26
1986	1986-05-25	1986-09-05
1987	1987-04-28	1987-09-23
1988	1988-06-15	1988-09-07
1989	1989-06-01	1989-09-16
1990	1990-06-21	1990-09-24
1991	1991-06-10	1991-09-29
1992	1992-05-05	1992-09-02
1993	1993-05-10	1993-09-10
1997	1997-05-12	1997-09-01
1998	1998-05-06	1998-09-16
1999	1999-05-24	1999-08-29
2000	2000-06-26	2000-09-14
2001	2001-05-22	2001-09-23
2002	2002-06-13	2002-09-17
2003	2003-06-05	2003-09-29
2004	2004-06-04	2004-08-31
2005	2005-05-27	2005-08-29
2011	2011-06-06	2011-09-25
2012	2012-05-15	2012-09-18
2013	2013-05-08	2013-09-16
2014	2014-06-24	2014-10-08
2017	2017-05-22	2017-09-12
2018	2018-04-27	2018-09-07
2019	2019-05-31	2019-09-05
2022	2022-06-23	2022-09-08
2024	2024-05-11	2024-09-26
2025	2025-05-30	2025-09-22
2026	2026-05-05	2026-08-31

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	67	75	1958	62
35 C (95 F): Days	65	30	1958	8
40 C (104 F): Days	11	3	1946	1
90 F (32.2 C): Days	67	57	1958	33
100 F (37.8 C): Days	40	8	1944	1
0 C (32 F): Ice days (max	66	78	1985	2
0 C (32 F): Frost days (min	78	168	1985	45
-10 C (14 F): Days with min	76	61	1985	3
-20 C (-4 F): Days with min	37	27	1949	2
-30 C (-22 F): Days with min	3	7	1950	1
20 C (68 F): Tropical nights (min	65	12	2022	2
25 C (77 F): Days with min	4	1	1944	1
10 mm (0.39 in): Days with 10 mm or more rain	70	11	1957	4
25 mm (0.98 in): Days with 25 mm or more rain	14	1	1948	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	2012	1
10 cm (3.9 in): Days with 10 cm or more snowfall	24	3	1957	2
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1964	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Quincy Threshold Days by Year (USC00456880)

Key Facts for Quincy Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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