Piseco Threshold Days by Year (USC00306623)

7 fixed thresholds counted per year at Piseco (USC00306623): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Piseco Thresholds

Piseco: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1972 with 60.
Piseco: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1990 with 22.
Piseco: days with 50 mm (1.97 in) or more of precipitation in 46 years, most in 1955 with 5.
Piseco: days with 10 cm (3.9 in) or more of snowfall in 31 years, most in 1976 with 25.
7 fixed thresholds have at least one qualifying day at Piseco.

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

60 years with a qualifying day

Days per year at Piseco with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1972.

Days with 10 mm (0.39 in) or more of precipitation per year at Piseco
Year	Days	Decade average
1945	51	44.2
1946	41	44.2
1947	46	44.2
1948	41	44.2
1949	42	44.2
1950	37	42
1951	54	42
1952	50	42
1953	38	42
1954	50	42
1955	39	42
1956	42	42
1957	29	42
1958	39	42
1959	42	42
1960	29	39.4
1961	35	39.4
1962	41	39.4
1963	43	39.4
1964	33	39.4
1965	39	39.4
1966	45	39.4
1967	44	39.4
1968	47	39.4
1969	38	39.4
1970	42	48.1
1971	46	48.1
1972	60	48.1
1973	46	48.1
1974	48	48.1
1975	55	48.1
1976	58	48.1
1977	49	48.1
1978	35	48.1
1979	42	48.1
1980	38	44.6
1981	41	44.6
1983	53	44.6
1984	53	44.6
1985	47	44.6
1986	48	44.6
1987	39	44.6
1988	35	44.6
1989	47	44.6
1990	60	46.7
1991	45	46.7
1992	47	46.7
1993	50	46.7
1994	48	46.7
1995	42	46.7
1996	52	46.7
1997	50	46.7
1998	45	46.7
1999	28	46.7
2000	52	41.5
2001	30	41.5
2002	35	41.5
2003	49	41.5
2004	39	41.5
2005	44	41.5

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

First to last qualifying date each year at Piseco
Year	First date	Last date
1945	1945-01-01	1945-12-26
1946	1946-01-10	1946-12-29
1947	1947-01-02	1947-12-16
1948	1948-01-02	1948-12-31
1949	1949-01-01	1949-12-27
1950	1950-01-06	1950-12-04
1951	1951-01-07	1951-12-26
1952	1952-01-05	1952-12-23
1953	1953-01-09	1953-12-10
1954	1954-01-06	1954-12-30
1955	1955-01-02	1955-12-04
1956	1956-02-02	1956-11-23
1957	1957-01-23	1957-12-21
1958	1958-01-01	1958-12-05
1959	1959-01-02	1959-12-28
1960	1960-01-19	1960-12-21
1961	1961-01-01	1961-12-19
1962	1962-01-06	1962-12-10
1963	1963-01-25	1963-12-12
1964	1964-01-02	1964-12-28
1965	1965-01-08	1965-12-28
1966	1966-01-31	1966-12-30
1967	1967-01-28	1967-12-29
1968	1968-02-03	1968-12-29
1969	1969-01-19	1969-12-27
1970	1970-02-03	1970-12-24
1971	1971-01-05	1971-12-31
1972	1972-01-03	1972-12-22
1973	1973-01-01	1973-12-27
1974	1974-01-01	1974-12-17
1975	1975-01-09	1975-12-31
1976	1976-01-03	1976-12-21
1977	1977-01-11	1977-12-25
1978	1978-01-09	1978-12-25
1979	1979-01-01	1979-12-25
1980	1980-01-08	1980-12-09
1981	1981-02-02	1981-12-29
1983	1983-01-11	1983-12-29
1984	1984-01-10	1984-12-30
1985	1985-01-01	1985-12-14
1986	1986-01-20	1986-12-26
1987	1987-01-11	1987-12-20
1988	1988-01-21	1988-12-29
1989	1989-01-09	1989-12-16
1990	1990-01-01	1990-12-31
1991	1991-01-12	1991-12-30
1992	1992-01-15	1992-12-31
1993	1993-01-05	1993-12-22
1994	1994-01-05	1994-12-11
1995	1995-01-07	1995-12-15
1996	1996-01-04	1996-12-25
1997	1997-01-06	1997-12-30
1998	1998-01-05	1998-12-30
1999	1999-01-04	1999-12-21
2000	2000-01-03	2000-12-18
2001	2001-01-31	2001-12-18
2002	2002-02-01	2002-12-26
2003	2003-01-02	2003-12-25
2004	2004-02-04	2004-12-24
2005	2005-01-01	2005-12-30

Every Fixed Threshold

Fixed thresholds at Piseco
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	60	60	1972	44
25 mm (0.98 in): Days with 25 mm or more rain	60	22	1990	20
50 mm (1.97 in): Days with 50 mm or more rain	46	5	1955	4
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1953	1
10 cm (3.9 in): Days with 10 cm or more snowfall	31	25	1976	8
25 cm (9.8 in): Days with 25 cm or more snowfall	24	5	1993	3
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1994	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Piseco 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).

Piseco Threshold Days by Year (USC00306623)

Key Facts for Piseco Thresholds

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

Every Fixed Threshold

Download the Data

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