Second Valley (Spring Grove) Threshold Days by Year

4 fixed thresholds counted per year at Second Valley (Spring Grove) (ASN00023708): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Second Valley (Spring Grove) Thresholds

Second Valley (Spring Grove): days with 10 mm (0.39 in) or more of precipitation in 95 years, most in 1910 with 36.
Second Valley (Spring Grove): days with 25 mm (0.98 in) or more of precipitation in 92 years, most in 1978 with 10.
Second Valley (Spring Grove): days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1941 with 4.
Second Valley (Spring Grove): days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1911 with 1.
4 fixed thresholds have at least one qualifying day at Second Valley (Spring Grove).

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

95 years with a qualifying day

Days per year at Second Valley (Spring Grove) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1910.

Days with 10 mm (0.39 in) or more of precipitation per year at Second Valley (Spring Grove)
Year	Days	Decade average
1884	28	24.7
1885	28	24.7
1886	18	24.7
1887	30	24.7
1888	17	24.7
1889	27	24.7
1890	24	23.1
1891	14	23.1
1892	28	23.1
1893	33	23.1
1895	24	23.1
1896	27	23.1
1897	19	23.1
1898	21	23.1
1899	18	23.1
1900	29	22.2
1901	22	22.2
1902	13	22.2
1903	27	22.2
1904	22	22.2
1905	21	22.2
1906	20	22.2
1907	20	22.2
1908	23	22.2
1909	25	22.2
1910	36	21.3
1911	19	21.3
1913	15	21.3
1914	12	21.3
1915	21	21.3
1916	26	21.3
1917	35	21.3
1918	14	21.3
1919	14	21.3
1920	17	21.8
1921	24	21.8
1922	25	21.8
1923	26	21.8
1924	24	21.8
1926	24	21.8
1927	15	21.8
1928	20	21.8
1929	21	21.8
1930	19	21.7
1931	22	21.7
1932	27	21.7
1933	18	21.7
1934	20	21.7
1935	21	21.7
1936	21	21.7
1937	26	21.7
1938	16	21.7
1939	27	21.7
1940	14	20.2
1941	25	20.2
1942	26	20.2
1943	21	20.2
1944	15	20.2
1945	15	20.2
1946	24	20.2
1947	28	20.2
1948	17	20.2
1949	17	20.2
1950	21	20
1951	22	20
1952	22	20
1953	24	20
1954	19	20
1955	29	20
1956	25	20
1957	12	20
1958	18	20
1959	8	20
1960	19	17.9
1961	10	17.9
1962	20	17.9
1963	22	17.9
1964	25	17.9
1965	13	17.9
1966	19	17.9
1967	8	17.9
1968	28	17.9
1969	15	17.9
1970	19	24.7
1971	20	24.7
1972	22	24.7
1973	35	24.7
1974	29	24.7
1975	25	24.7
1976	19	24.7
1977	24	24.7
1978	27	24.7
1979	27	24.7
1980	22	23
1983	24	23

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

First to last qualifying date each year at Second Valley (Spring Grove)
Year	First date	Last date
1884	1884-01-20	1884-10-21
1885	1885-02-28	1885-12-22
1886	1886-04-22	1886-11-25
1887	1887-01-19	1887-12-14
1888	1888-04-10	1888-10-04
1889	1889-01-24	1889-12-05
1890	1890-02-04	1890-11-24
1891	1891-04-15	1891-12-16
1892	1892-01-22	1892-12-11
1893	1893-03-08	1893-11-12
1895	1895-01-04	1895-09-18
1896	1896-01-16	1896-12-27
1897	1897-05-25	1897-10-10
1898	1898-04-03	1898-10-28
1899	1899-01-18	1899-11-24
1900	1900-01-10	1900-11-17
1901	1901-01-12	1901-12-31
1902	1902-03-25	1902-12-17
1903	1903-01-21	1903-12-11
1904	1904-01-03	1904-10-26
1905	1905-01-03	1905-10-30
1906	1906-03-24	1906-09-27
1907	1907-03-05	1907-12-27
1908	1908-02-08	1908-10-18
1909	1909-02-28	1909-12-02
1910	1910-03-05	1910-12-23
1911	1911-02-07	1911-09-30
1913	1913-02-14	1913-11-11
1914	1914-03-11	1914-12-14
1915	1915-04-10	1915-09-18
1916	1916-03-26	1916-12-12
1917	1917-02-13	1917-12-11
1918	1918-04-25	1918-10-06
1919	1919-02-15	1919-09-13
1920	1920-04-13	1920-11-27
1921	1921-02-27	1921-12-02
1922	1922-01-06	1922-12-23
1923	1923-01-05	1923-12-13
1924	1924-01-26	1924-11-07
1926	1926-03-24	1926-12-16
1927	1927-01-04	1927-12-01
1928	1928-01-20	1928-10-02
1929	1929-04-24	1929-12-27
1930	1930-02-20	1930-10-04
1931	1931-01-23	1931-09-13
1932	1932-02-04	1932-10-11
1933	1933-01-19	1933-11-30
1934	1934-01-05	1934-12-08
1935	1935-03-13	1935-11-10
1936	1936-05-13	1936-12-02
1937	1937-01-24	1937-12-25
1938	1938-02-04	1938-10-29
1939	1939-01-15	1939-11-04
1940	1940-01-04	1940-12-18
1941	1941-01-23	1941-10-25
1942	1942-01-24	1942-11-21
1943	1943-02-10	1943-11-04
1944	1944-02-07	1944-12-23
1945	1945-05-06	1945-12-15
1946	1946-01-16	1946-12-25
1947	1947-03-12	1947-12-03
1948	1948-04-07	1948-11-07
1949	1949-02-20	1949-11-21
1950	1950-04-05	1950-12-20
1951	1951-02-22	1951-12-20
1952	1952-01-24	1952-11-27
1953	1953-05-16	1953-12-09
1954	1954-01-27	1954-12-12
1955	1955-02-09	1955-12-03
1956	1956-03-06	1956-10-17
1957	1957-04-10	1957-10-23
1958	1958-03-07	1958-10-10
1959	1959-02-13	1959-12-26
1960	1960-02-01	1960-11-12
1961	1961-04-14	1961-10-31
1962	1962-02-20	1962-12-29
1963	1963-01-13	1963-10-28
1964	1964-02-06	1964-12-01
1965	1965-04-17	1965-11-25
1966	1966-03-16	1966-12-05
1967	1967-02-23	1967-09-15
1968	1968-01-19	1968-12-22
1969	1969-02-09	1969-12-11
1970	1970-01-01	1970-12-11
1971	1971-02-03	1971-12-10
1972	1972-01-09	1972-10-15
1973	1973-01-30	1973-12-15
1974	1974-01-12	1974-10-24
1975	1975-01-10	1975-12-14
1976	1976-01-12	1976-12-23
1977	1977-01-15	1977-11-29
1978	1978-03-22	1978-12-04
1979	1979-02-25	1979-12-30
1980	1980-04-18	1980-11-06
1983	1983-03-03	1983-10-15

Every Fixed Threshold

Fixed thresholds at Second Valley (Spring Grove)
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	95	36	1910	24
25 mm (0.98 in): Days with 25 mm or more rain	92	10	1978	5
50 mm (1.97 in): Days with 50 mm or more rain	29	4	1941	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1911	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1884.

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Data for Second Valley (Spring Grove) 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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

Second Valley (Spring Grove) Threshold Days by Year

Key Facts for Second Valley (Spring Grove) Thresholds

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

Every Fixed Threshold

Download the Data

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