Winchendon Threshold Days by Year (USC00199770)

7 fixed thresholds counted per year at Winchendon (USC00199770): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Winchendon Thresholds

Winchendon: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1922 with 48.
Winchendon: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1960 with 16.
Winchendon: days with 50 mm (1.97 in) or more of precipitation in 53 years, most in 1938 with 4.
Winchendon: days with 10 cm (3.9 in) or more of snowfall in 17 years, most in 1956 with 11.
7 fixed thresholds have at least one qualifying day at Winchendon.

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

65 years with a qualifying day

Days per year at Winchendon with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1922.

Days with 10 mm (0.39 in) or more of precipitation per year at Winchendon
Year	Days	Decade average
1894	27	36.3
1895	36	36.3
1896	33	36.3
1897	42	36.3
1898	45	36.3
1899	35	36.3
1900	39	36
1901	38	36
1902	41	36
1903	40	36
1904	33	36
1905	37	36
1906	35	36
1907	37	36
1908	26	36
1909	34	36
1910	31	35.9
1911	36	35.9
1912	36	35.9
1913	39	35.9
1914	34	35.9
1915	32	35.9
1916	35	35.9
1917	39	35.9
1918	36	35.9
1919	41	35.9
1920	47	39.4
1921	38	39.4
1922	48	39.4
1923	35	39.4
1924	31	39.4
1925	39	39.4
1929	38	39.4
1931	36	37
1932	34	37
1933	39	37
1934	40	37
1935	30	37
1936	42	37
1937	46	37
1938	39	37
1939	27	37
1940	31	33
1941	17	33
1942	45	33
1943	34	33
1944	27	33
1945	42	33
1946	39	33
1947	34	33
1948	30	33
1949	31	33
1950	30	35.4
1951	42	35.4
1952	29	35.4
1953	45	35.4
1954	39	35.4
1955	32	35.4
1956	36	35.4
1957	31	35.4
1958	31	35.4
1959	39	35.4
1960	47	39.7
1961	39	39.7
1962	33	39.7

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

First to last qualifying date each year at Winchendon
Year	First date	Last date
1894	1894-01-24	1894-12-27
1895	1895-01-06	1895-12-31
1896	1896-01-24	1896-12-09
1897	1897-01-05	1897-12-31
1898	1898-01-07	1898-12-31
1899	1899-01-01	1899-12-15
1900	1900-01-01	1900-12-24
1901	1901-01-12	1901-12-30
1902	1902-01-12	1902-12-22
1903	1903-01-03	1903-12-20
1904	1904-01-22	1904-12-28
1905	1905-01-03	1905-12-21
1906	1906-01-04	1906-12-31
1907	1907-01-26	1907-12-23
1908	1908-01-07	1908-12-07
1909	1909-01-05	1909-12-26
1910	1910-01-06	1910-12-24
1911	1911-01-03	1911-12-31
1912	1912-01-09	1912-12-30
1913	1913-01-08	1913-12-26
1914	1914-01-21	1914-12-21
1915	1915-01-07	1915-12-29
1916	1916-01-02	1916-12-22
1917	1917-01-03	1917-12-14
1918	1918-01-07	1918-12-24
1919	1919-01-01	1919-12-09
1920	1920-01-09	1920-12-27
1921	1921-01-14	1921-12-18
1922	1922-01-05	1922-12-28
1923	1923-01-01	1923-12-28
1924	1924-01-03	1924-12-24
1925	1925-01-16	1925-12-22
1929	1929-01-01	1929-12-23
1931	1931-01-05	1931-12-24
1932	1932-01-02	1932-12-27
1933	1933-01-09	1933-12-26
1934	1934-01-07	1934-12-26
1935	1935-01-01	1935-12-15
1936	1936-01-02	1936-12-31
1937	1937-01-02	1937-12-17
1938	1938-01-01	1938-12-09
1939	1939-01-05	1939-12-20
1940	1940-01-14	1940-12-28
1941	1941-01-04	1941-12-13
1942	1942-01-01	1942-12-30
1943	1943-01-03	1943-11-22
1944	1944-01-06	1944-12-27
1945	1945-01-01	1945-12-29
1946	1946-01-09	1946-12-29
1947	1947-01-01	1947-12-26
1948	1948-01-02	1948-11-20
1949	1949-01-06	1949-12-27
1950	1950-01-07	1950-12-05
1951	1951-01-15	1951-12-26
1952	1952-01-06	1952-12-12
1953	1953-01-03	1953-12-14
1954	1954-01-27	1954-12-30
1955	1955-02-07	1955-11-17
1956	1956-01-09	1956-12-30
1957	1957-01-23	1957-12-29
1958	1958-01-08	1958-12-06
1959	1959-01-02	1959-12-28
1960	1960-01-03	1960-12-30
1961	1961-01-02	1961-12-29
1962	1962-01-07	1962-12-30

Every Fixed Threshold

Fixed thresholds at Winchendon
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	65	48	1922	33
25 mm (0.98 in): Days with 25 mm or more rain	65	16	1960	8
50 mm (1.97 in): Days with 50 mm or more rain	53	4	1938	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1925	1
10 cm (3.9 in): Days with 10 cm or more snowfall	17	11	1956	7
25 cm (9.8 in): Days with 25 cm or more snowfall	10	3	1961	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1933	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Winchendon 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).

Winchendon Threshold Days by Year (USC00199770)

Key Facts for Winchendon Thresholds

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

Every Fixed Threshold

Download the Data

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