Seymour Falls Threshold Days by Year (CA001107200)

8 fixed thresholds counted per year at Seymour Falls (CA001107200): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Seymour Falls Thresholds

Seymour Falls: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1953 with 126.
Seymour Falls: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1953 with 68.
Seymour Falls: days with 50 mm (1.97 in) or more of precipitation in 55 years, most in 1961 with 30.
Seymour Falls: days with 10 cm (3.9 in) or more of snowfall in 54 years, most in 1948 with 21.
8 fixed thresholds have at least one qualifying day at Seymour Falls.

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

55 years with a qualifying day

Days per year at Seymour Falls with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 126 in 1953.

Days with 10 mm (0.39 in) or more of precipitation per year at Seymour Falls
Year	Days	Decade average
1928	94	81.5
1929	69	81.5
1930	85	99.6
1931	116	99.6
1932	95	99.6
1933	123	99.6
1934	105	99.6
1935	85	99.6
1936	91	99.6
1937	106	99.6
1938	87	99.6
1939	103	99.6
1940	100	95.4
1941	110	95.4
1942	93	95.4
1943	75	95.4
1944	79	95.4
1945	93	95.4
1946	108	95.4
1947	93	95.4
1948	111	95.4
1949	92	95.4
1950	119	99.6
1951	78	99.6
1952	74	99.6
1953	126	99.6
1954	107	99.6
1955	97	99.6
1956	103	99.6
1957	84	99.6
1958	108	99.6
1960	103	108.8
1961	115	108.8
1962	109	108.8
1963	101	108.8
1964	126	108.8
1965	89	108.8
1966	121	108.8
1967	108	108.8
1968	117	108.8
1969	99	108.8
1970	94	106.7
1971	126	106.7
1972	110	106.7
1973	99	106.7
1974	120	106.7
1975	113	106.7
1976	111	106.7
1977	115	106.7
1978	89	106.7
1979	90	106.7
1980	100	107.5
1981	114	107.5
1982	101	107.5
1983	115	107.5

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

First to last qualifying date each year at Seymour Falls
Year	First date	Last date
1928	1928-01-01	1928-12-30
1929	1929-01-01	1929-12-30
1930	1930-01-02	1930-12-25
1931	1931-01-02	1931-12-31
1932	1932-01-08	1932-12-31
1933	1933-01-01	1933-12-31
1934	1934-01-01	1934-12-31
1935	1935-01-01	1935-12-31
1936	1936-01-01	1936-12-24
1937	1937-01-04	1937-12-31
1938	1938-01-10	1938-12-31
1939	1939-01-01	1939-12-31
1940	1940-01-01	1940-12-29
1941	1941-01-04	1941-12-23
1942	1942-01-09	1942-12-29
1943	1943-01-14	1943-12-31
1944	1944-01-01	1944-12-31
1945	1945-01-04	1945-12-31
1946	1946-01-01	1946-12-31
1947	1947-01-08	1947-12-31
1948	1948-01-01	1948-12-31
1949	1949-01-06	1949-12-30
1950	1950-01-01	1950-12-30
1951	1951-01-02	1951-12-30
1952	1952-01-05	1952-12-31
1953	1953-01-01	1953-12-31
1954	1954-01-02	1954-12-31
1955	1955-01-11	1955-12-25
1956	1956-01-02	1956-12-31
1957	1957-01-01	1957-12-28
1958	1958-01-02	1958-12-31
1960	1960-01-09	1960-12-23
1961	1961-01-03	1961-12-29
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-31
1964	1964-01-02	1964-12-31
1965	1965-01-01	1965-12-30
1966	1966-01-01	1966-12-31
1967	1967-01-02	1967-12-24
1968	1968-01-07	1968-12-31
1969	1969-01-01	1969-12-23
1970	1970-01-08	1970-12-30
1971	1971-01-09	1971-12-30
1972	1972-01-05	1972-12-29
1973	1973-01-01	1973-12-24
1974	1974-01-12	1974-12-31
1975	1975-01-02	1975-12-29
1976	1976-01-02	1976-12-26
1977	1977-01-13	1977-12-28
1978	1978-01-03	1978-12-23
1979	1979-01-18	1979-12-31
1980	1980-01-02	1980-12-29
1981	1981-01-08	1981-12-31
1982	1982-01-06	1982-12-24
1983	1983-01-01	1983-12-30

Every Fixed Threshold

Fixed thresholds at Seymour Falls
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	55	126	1953	115
25 mm (0.98 in): Days with 25 mm or more rain	55	68	1953	67
50 mm (1.97 in): Days with 50 mm or more rain	55	30	1961	28
100 mm (3.94 in): Days with 100 mm or more rain	50	6	1934	4
200 mm (7.87 in): Days with 200 mm or more rain	8	2	1955	2
10 cm (3.9 in): Days with 10 cm or more snowfall	54	21	1948	1
25 cm (9.8 in): Days with 25 cm or more snowfall	38	8	1971	2
50 cm (19.7 in): Days with 50 cm or more snowfall	7	1	1932	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1928.

Download the Data

Data for Seymour Falls 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).

Seymour Falls Threshold Days by Year (CA001107200)

Key Facts for Seymour Falls Thresholds

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

Every Fixed Threshold

Download the Data

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