Leominster Threshold Days by Year (USC00194135)

4 fixed thresholds counted per year at Leominster (USC00194135): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Leominster Thresholds

Leominster: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1922 with 47.
Leominster: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1901 with 19.
Leominster: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1901 with 4.
Leominster: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1895 with 1.
4 fixed thresholds have at least one qualifying day at Leominster.

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

42 years with a qualifying day

Days per year at Leominster with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1922.

Days with 10 mm (0.39 in) or more of precipitation per year at Leominster
Year	Days	Decade average
1886	36	39
1889	42	39
1893	42	38.1
1894	31	38.1
1895	35	38.1
1896	35	38.1
1897	46	38.1
1898	42	38.1
1899	36	38.1
1900	45	37
1901	41	37
1902	40	37
1903	36	37
1904	35	37
1906	35	37
1907	36	37
1908	30	37
1909	35	37
1910	35	34.8
1911	35	34.8
1912	36	34.8
1913	35	34.8
1914	32	34.8
1915	30	34.8
1916	40	34.8
1917	34	34.8
1918	33	34.8
1919	38	34.8
1920	43	39.2
1921	38	39.2
1922	47	39.2
1923	35	39.2
1924	35	39.2
1925	44	39.2
1926	36	39.2
1927	42	39.2
1928	36	39.2
1929	36	39.2
1930	23	34.8
1931	41	34.8
1932	32	34.8
1933	43	34.8

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

First to last qualifying date each year at Leominster
Year	First date	Last date
1886	1886-01-05	1886-12-31
1889	1889-01-07	1889-12-24
1893	1893-01-01	1893-12-16
1894	1894-01-27	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	1898-01-20	1898-12-31
1899	1899-01-01	1899-12-24
1900	1900-01-12	1900-12-05
1901	1901-01-10	1901-12-30
1902	1902-01-22	1902-12-21
1903	1903-01-03	1903-12-20
1904	1904-01-13	1904-12-28
1906	1906-01-04	1906-12-31
1907	1907-01-26	1907-12-30
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	1911-12-23
1912	1912-01-09	1912-12-30
1913	1913-01-03	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	1922-01-11	1922-12-28
1923	1923-01-01	1923-12-28
1924	1924-01-03	1924-12-24
1925	1925-01-16	1925-12-22
1926	1926-01-18	1926-12-28
1927	1927-01-11	1927-12-29
1928	1928-01-20	1928-12-28
1929	1929-01-01	1929-12-23
1930	1930-01-18	1930-12-27
1931	1931-01-05	1931-12-24
1932	1932-01-02	1932-12-27
1933	1933-01-09	1933-11-26

Every Fixed Threshold

Fixed thresholds at Leominster
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	42	47	1922	43
25 mm (0.98 in): Days with 25 mm or more rain	42	19	1901	7
50 mm (1.97 in): Days with 50 mm or more rain	35	4	1901	3
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1895	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1886.

Download the Data

Data for Leominster 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).

Leominster Threshold Days by Year (USC00194135)

Key Facts for Leominster Thresholds

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

Every Fixed Threshold

Download the Data

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