Ibertioga Threshold Days by Year (BR002143008)

4 fixed thresholds counted per year at Ibertioga (BR002143008): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ibertioga Thresholds

Ibertioga: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1983 with 78.
Ibertioga: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1983 with 30.
Ibertioga: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1983 with 11.
Ibertioga: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1978 with 1.
4 fixed thresholds have at least one qualifying day at Ibertioga.

Days with 10 mm (0.39 in) or more of precipitation

54 years with a qualifying day

Days per year at Ibertioga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 78 in 1983.

Days with 10 mm (0.39 in) or more of precipitation per year at Ibertioga
Year	Days	Decade average
1942	50	45.9
1943	50	45.9
1944	39	45.9
1945	47	45.9
1946	43	45.9
1947	55	45.9
1948	37	45.9
1950	73	46.7
1951	38	46.7
1952	47	46.7
1953	55	46.7
1954	31	46.7
1955	61	46.7
1956	48	46.7
1957	41	46.7
1958	43	46.7
1959	30	46.7
1960	55	38.5
1961	42	38.5
1962	60	38.5
1963	21	38.5
1964	24	38.5
1965	31	38.5
1966	42	38.5
1967	32	38.5
1968	33	38.5
1969	45	38.5
1970	30	46.1
1971	37	46.1
1972	48	46.1
1973	53	46.1
1974	43	46.1
1975	44	46.1
1976	64	46.1
1977	35	46.1
1978	53	46.1
1979	54	46.1
1980	52	53.4
1981	49	53.4
1982	61	53.4
1983	78	53.4
1984	35	53.4
1985	61	53.4
1986	53	53.4
1987	47	53.4
1988	45	53.4
1990	37	48.3
1991	55	48.3
1992	55	48.3
1993	53	48.3
1994	44	48.3
1995	52	48.3
1998	51	48.3
1999	39	48.3

For each year, a bar from the first to the last day at Ibertioga meeting 10 mm (0.39 in).

First to last qualifying date each year at Ibertioga
Year	First date	Last date
1942	1942-01-01	1942-12-30
1943	1943-01-01	1943-12-27
1944	1944-01-01	1944-12-25
1945	1945-01-03	1945-12-31
1946	1946-01-01	1946-12-30
1947	1947-01-01	1947-12-26
1948	1948-01-11	1948-12-20
1950	1950-01-02	1950-12-19
1951	1951-01-09	1951-12-23
1952	1952-01-04	1952-12-22
1953	1953-01-03	1953-12-10
1954	1954-01-06	1954-12-22
1955	1955-01-03	1955-12-31
1956	1956-01-02	1956-12-27
1957	1957-01-11	1957-12-28
1958	1958-01-18	1958-12-30
1959	1959-01-02	1959-12-28
1960	1960-01-02	1960-12-31
1961	1961-01-01	1961-12-26
1962	1962-01-10	1962-12-31
1963	1963-01-17	1963-11-23
1964	1964-01-02	1964-12-21
1965	1965-01-04	1965-12-31
1966	1966-01-01	1966-12-22
1967	1967-01-12	1967-12-29
1968	1968-01-03	1968-12-30
1969	1969-01-12	1969-12-25
1970	1970-01-09	1970-12-31
1971	1971-01-10	1971-12-25
1972	1972-01-06	1972-12-27
1973	1973-01-01	1973-12-31
1974	1974-01-08	1974-12-24
1975	1975-01-01	1975-12-23
1976	1976-01-05	1976-12-28
1977	1977-01-19	1977-12-23
1978	1978-01-07	1978-12-30
1979	1979-01-01	1979-12-27
1980	1980-01-02	1980-12-31
1981	1981-01-03	1981-12-25
1982	1982-01-01	1982-12-31
1983	1983-01-02	1983-12-26
1984	1984-01-03	1984-12-30
1985	1985-01-06	1985-12-31
1986	1986-01-05	1986-12-31
1987	1987-01-04	1987-12-31
1988	1988-01-01	1988-12-31
1990	1990-01-01	1990-12-29
1991	1991-01-04	1991-12-31
1992	1992-01-06	1992-12-12
1993	1993-01-03	1993-12-31
1994	1994-01-02	1994-12-27
1995	1995-01-04	1995-12-29
1998	1998-01-04	1998-12-29
1999	1999-01-01	1999-12-31

Every Fixed Threshold

Fixed thresholds at Ibertioga
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	54	78	1983	39
25 mm (0.98 in): Days with 25 mm or more rain	52	30	1983	14
50 mm (1.97 in): Days with 50 mm or more rain	43	11	1983	6
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1978	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

Data for Ibertioga 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).

Ibertioga Threshold Days by Year (BR002143008)

Key Facts for Ibertioga Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

Related