Peterborough Threshold Days by Year

4 fixed thresholds counted per year at Peterborough (ASN00090064): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Peterborough Thresholds

Peterborough: days with 10 mm (0.39 in) or more of precipitation in 84 years, most in 1931 with 39.
Peterborough: days with 25 mm (0.98 in) or more of precipitation in 75 years, most in 1971 with 9.
Peterborough: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1905 with 1.
Peterborough: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1952 with 1.
4 fixed thresholds have at least one qualifying day at Peterborough.

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

84 years with a qualifying day

Days per year at Peterborough with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1931.

Days with 10 mm (0.39 in) or more of precipitation per year at Peterborough
Year	Days	Decade average
1904	19	21.2
1905	21	21.2
1906	24	21.2
1907	21	21.2
1908	26	21.2
1909	16	21.2
1910	26	20.9
1911	21	20.9
1912	18	20.9
1913	18	20.9
1914	13	20.9
1915	26	20.9
1916	28	20.9
1917	27	20.9
1918	20	20.9
1919	12	20.9
1920	17	23.2
1921	23	23.2
1922	25	23.2
1923	31	23.2
1924	15	23.2
1925	17	23.2
1926	26	23.2
1927	21	23.2
1928	26	23.2
1929	31	23.2
1930	26	24.1
1931	39	24.1
1932	18	24.1
1933	18	24.1
1934	26	24.1
1935	27	24.1
1936	19	24.1
1937	22	24.1
1938	17	24.1
1939	29	24.1
1940	15	21.7
1941	22	21.7
1942	25	21.7
1943	27	21.7
1944	22	21.7
1945	17	21.7
1946	26	21.7
1947	22	21.7
1948	22	21.7
1949	19	21.7
1950	22	27.1
1951	31	27.1
1952	36	27.1
1953	25	27.1
1954	21	27.1
1955	31	27.1
1956	29	27.1
1957	27	27.1
1958	22	27.1
1961	17	23.3
1962	21	23.3
1963	21	23.3
1965	22	23.3
1966	28	23.3
1967	18	23.3
1968	36	23.3
1969	23	23.3
1970	30	25.3
1971	34	25.3
1972	18	25.3
1973	31	25.3
1974	23	25.3
1977	23	25.3
1978	20	25.3
1979	23	25.3
1980	23	21.7
1981	15	21.7
1982	11	21.7
1983	24	21.7
1984	26	21.7
1985	23	21.7
1986	28	21.7
1987	19	21.7
1988	22	21.7
1989	26	21.7
1990	33	30
1991	24	30
1992	33	30

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

First to last qualifying date each year at Peterborough
Year	First date	Last date
1904	1904-01-03	1904-11-03
1905	1905-01-29	1905-12-03
1906	1906-03-11	1906-11-29
1907	1907-01-06	1907-12-27
1908	1908-02-08	1908-12-21
1909	1909-04-30	1909-10-16
1910	1910-03-06	1910-12-23
1911	1911-02-07	1911-12-25
1912	1912-04-07	1912-12-10
1913	1913-03-16	1913-12-23
1914	1914-01-27	1914-12-25
1915	1915-01-20	1915-10-26
1916	1916-01-28	1916-11-16
1917	1917-03-13	1917-12-31
1918	1918-01-06	1918-11-19
1919	1919-02-10	1919-12-28
1920	1920-03-07	1920-11-05
1921	1921-01-02	1921-12-03
1922	1922-02-21	1922-12-24
1923	1923-05-10	1923-12-16
1924	1924-02-18	1924-11-08
1925	1925-02-17	1925-12-22
1926	1926-02-10	1926-12-17
1927	1927-01-05	1927-12-05
1928	1928-01-21	1928-10-26
1929	1929-01-30	1929-12-28
1930	1930-02-20	1930-12-26
1931	1931-01-24	1931-11-16
1932	1932-01-12	1932-12-01
1933	1933-03-04	1933-11-30
1934	1934-01-09	1934-11-30
1935	1935-01-05	1935-12-03
1936	1936-01-09	1936-12-30
1937	1937-01-01	1937-12-02
1938	1938-01-26	1938-11-04
1939	1939-02-03	1939-12-05
1940	1940-01-06	1940-12-31
1941	1941-01-24	1941-12-07
1942	1942-01-20	1942-12-19
1943	1943-02-18	1943-10-17
1944	1944-01-03	1944-12-21
1945	1945-01-31	1945-12-27
1946	1946-01-04	1946-12-07
1947	1947-03-11	1947-12-21
1948	1948-01-06	1948-12-26
1949	1949-02-21	1949-11-27
1950	1950-02-15	1950-12-20
1951	1951-02-21	1951-12-15
1952	1952-01-25	1952-12-10
1953	1953-04-04	1953-12-07
1954	1954-01-26	1954-12-12
1955	1955-01-28	1955-12-03
1956	1956-03-03	1956-12-27
1957	1957-02-07	1957-12-25
1958	1958-01-31	1958-11-14
1961	1961-03-23	1961-12-18
1962	1962-01-20	1962-12-11
1963	1963-01-14	1963-10-28
1965	1965-03-09	1965-12-07
1966	1966-01-12	1966-12-19
1967	1967-01-13	1967-12-30
1968	1968-02-21	1968-11-26
1969	1969-01-25	1969-11-19
1970	1970-01-03	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-12	1972-12-25
1973	1973-01-12	1973-12-15
1974	1974-03-29	1974-12-30
1977	1977-01-15	1977-11-29
1978	1978-01-30	1978-12-13
1979	1979-01-20	1979-11-16
1980	1980-01-12	1980-11-19
1981	1981-01-27	1981-10-28
1982	1982-01-07	1982-09-09
1983	1983-01-10	1983-12-06
1984	1984-03-14	1984-12-15
1985	1985-03-16	1985-12-17
1986	1986-01-16	1986-12-17
1987	1987-01-03	1987-12-05
1988	1988-01-01	1988-12-05
1989	1989-01-05	1989-10-31
1990	1990-02-01	1990-12-08
1991	1991-01-04	1991-12-16
1992	1992-02-06	1992-12-21

Every Fixed Threshold

Fixed thresholds at Peterborough
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	84	39	1931	33
25 mm (0.98 in): Days with 25 mm or more rain	75	9	1971	4
50 mm (1.97 in): Days with 50 mm or more rain	17	1	1905	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1952	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

Data for Peterborough 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Peterborough Threshold Days by Year

Key Facts for Peterborough Thresholds

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

Every Fixed Threshold

Download the Data

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