Chazy Threshold Days by Year

20 fixed thresholds counted per year at Chazy (USC00301401): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chazy Thresholds

Chazy: nights with a minimum temperature at or below 0 C (32 F) in 88 years, most in 1974 with 182.
Chazy: nights with a minimum temperature at or below -10 C (14 F) in 88 years, most in 1904 with 99.
Chazy: nights with a minimum temperature at or below -20 C (-4 F) in 88 years, most in 1968 with 40.
Chazy: days with a maximum temperature at or above 30 C (86 F) in 87 years, most in 1955 with 45.
20 fixed thresholds have at least one qualifying day at Chazy.

Days at or above 30 C (86 F)

87 years with a qualifying day

Days per year at Chazy with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 1955.

Days at or above 30 C (86 F) per year at Chazy
Year	Days	Decade average
1903	9	12.4
1904	7	12.4
1905	5	12.4
1906	14	12.4
1907	13	12.4
1908	23	12.4
1909	16	12.4
1910	8	17.2
1911	37	17.2
1912	11	17.2
1913	20	17.2
1914	18	17.2
1915	14	17.2
1917	9	17.2
1918	17	17.2
1919	21	17.2
1920	13	10.6
1921	29	10.6
1922	6	10.6
1923	12	10.6
1924	6	10.6
1925	12	10.6
1926	2	10.6
1927	1	10.6
1928	4	10.6
1929	21	10.6
1930	6	10.2
1931	16	10.2
1932	5	10.2
1935	14	10.2
1936	10	10.2
1941	27	25.9
1942	12	25.9
1944	18	25.9
1945	14	25.9
1946	23	25.9
1947	34	25.9
1948	35	25.9
1949	44	25.9
1950	33	26.8
1951	24	26.8
1952	44	26.8
1953	32	26.8
1954	6	26.8
1955	45	26.8
1956	19	26.8
1957	13	26.8
1958	7	26.8
1959	45	26.8
1960	16	10.8
1961	12	10.8
1962	4	10.8
1963	17	10.8
1964	7	10.8
1965	9	10.8
1966	21	10.8
1967	9	10.8
1968	6	10.8
1969	7	10.8
1970	16	17
1973	25	17
1974	7	17
1975	25	17
1976	12	17
1979	17	17
1981	9	14
1982	10	14
1984	18	14
1986	5	14
1987	14	14
1988	26	14
1989	16	14
1990	13	14.6
1991	25	14.6
1992	3	14.6
1993	10	14.6
1994	10	14.6
1995	23	14.6
1996	5	14.6
1997	18	14.6
1998	6	14.6
1999	33	14.6
2000	4	16
2001	21	16
2002	27	16
2008	16	16
2009	12	16

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

First to last qualifying date each year at Chazy
Year	First date	Last date
1903	1903-05-18	1903-09-13
1904	1904-06-21	1904-08-14
1905	1905-06-15	1905-07-19
1906	1906-05-18	1906-08-22
1907	1907-06-14	1907-08-17
1908	1908-06-09	1908-09-10
1909	1909-06-21	1909-08-26
1910	1910-06-20	1910-07-28
1911	1911-05-11	1911-08-22
1912	1912-06-24	1912-07-15
1913	1913-06-16	1913-09-03
1914	1914-05-26	1914-09-22
1915	1915-04-26	1915-09-16
1917	1917-07-22	1917-08-02
1918	1918-06-01	1918-08-24
1919	1919-06-02	1919-07-28
1920	1920-05-27	1920-09-26
1921	1921-05-21	1921-09-02
1922	1922-06-08	1922-08-16
1923	1923-06-19	1923-08-07
1924	1924-07-07	1924-09-01
1925	1925-06-03	1925-08-26
1926	1926-07-21	1926-07-22
1927	1927-06-10	1927-06-10
1928	1928-07-09	1928-08-16
1929	1929-05-28	1929-09-04
1930	1930-06-03	1930-07-19
1931	1931-05-29	1931-09-12
1932	1932-07-26	1932-09-01
1935	1935-07-05	1935-08-20
1936	1936-05-08	1936-08-10
1941	1941-04-20	1941-09-16
1942	1942-06-12	1942-09-19
1944	1944-05-31	1944-08-16
1945	1945-05-22	1945-09-08
1946	1946-05-25	1946-09-20
1947	1947-06-30	1947-09-14
1948	1948-06-03	1948-09-29
1949	1949-05-18	1949-08-28
1950	1950-05-26	1950-08-27
1951	1951-05-15	1951-09-13
1952	1952-06-15	1952-09-11
1953	1953-05-10	1953-09-05
1954	1954-06-20	1954-08-26
1955	1955-06-17	1955-09-19
1956	1956-06-12	1956-09-05
1957	1957-06-15	1957-09-03
1958	1958-07-01	1958-09-15
1959	1959-06-09	1959-09-11
1960	1960-06-19	1960-09-09
1961	1961-07-12	1961-09-12
1962	1962-04-28	1962-06-17
1963	1963-06-24	1963-08-08
1964	1964-05-07	1964-06-30
1965	1965-06-20	1965-09-21
1966	1966-06-04	1966-08-19
1967	1967-06-03	1967-07-22
1968	1968-07-01	1968-08-25
1969	1969-06-27	1969-08-31
1970	1970-06-10	1970-09-22
1973	1973-06-10	1973-09-05
1974	1974-06-09	1974-07-14
1975	1975-05-20	1975-08-26
1976	1976-04-18	1976-08-23
1979	1979-05-09	1979-08-30
1981	1981-06-16	1981-07-12
1982	1982-07-08	1982-07-22
1984	1984-06-08	1984-08-16
1986	1986-05-27	1986-07-19
1987	1987-05-30	1987-08-19
1988	1988-06-12	1988-08-13
1989	1989-05-19	1989-09-10
1990	1990-04-27	1990-08-18
1991	1991-05-16	1991-08-30
1992	1992-05-21	1992-06-13
1993	1993-07-06	1993-08-28
1994	1994-05-31	1994-07-22
1995	1995-05-31	1995-08-21
1996	1996-08-05	1996-08-25
1997	1997-06-10	1997-08-16
1998	1998-06-21	1998-07-22
1999	1999-05-30	1999-09-05
2000	2000-05-07	2000-09-01
2001	2001-05-02	2001-08-16
2002	2002-04-16	2002-09-11
2008	2008-06-07	2008-09-05
2009	2009-04-27	2009-08-21

Every Fixed Threshold

Fixed thresholds at Chazy
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	87	45	1955	12
35 C (95 F): Days	34	7	1911	2
40 C (104 F): Days	1	1	1911	1
90 F (32.2 C): Days	76	24	1911	2
100 F (37.8 C): Days	3	3	1911	1
0 C (32 F): Ice days (max	87	99	1926	57
0 C (32 F): Frost days (min	88	182	1974	142
-10 C (14 F): Days with min	88	99	1904	56
-20 C (-4 F): Days with min	88	40	1968	14
-30 C (-22 F): Days with min	55	13	1994	1
-40 C (-40 F): Days with min	2	1	1993	1
20 C (68 F): Tropical nights (min	83	15	1918	11
25 C (77 F): Days with min	6	3	1911	1
10 mm (0.39 in): Days with 10 mm or more rain	63	38	1967	27
25 mm (0.98 in): Days with 25 mm or more rain	63	10	1903	9
50 mm (1.97 in): Days with 50 mm or more rain	30	3	1995	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1990	1
10 cm (3.9 in): Days with 10 cm or more snowfall	59	10	1936	12
25 cm (9.8 in): Days with 25 cm or more snowfall	27	2	1946	3
50 cm (19.7 in): Days with 50 cm or more snowfall	3	1	1925	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

Data for Chazy 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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

Chazy Threshold Days by Year

Key Facts for Chazy Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related