Collegeville St John's Threshold Days by Year (USC00211691)

19 fixed thresholds counted per year at Collegeville St John's (USC00211691): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Collegeville St John's Thresholds

Collegeville St John's: days with a maximum temperature at or above 30 C (86 F) in 125 years, most in 1894 with 68.
Collegeville St John's: days with a maximum temperature at or below 0 C (32 F) in 125 years, most in 1950 with 116.
Collegeville St John's: nights with a minimum temperature at or below 0 C (32 F) in 122 years, most in 1907 with 195.
Collegeville St John's: nights with a minimum temperature at or below -10 C (14 F) in 122 years, most in 1955 with 110.
19 fixed thresholds have at least one qualifying day at Collegeville St John's.

Days at or above 30 C (86 F)

125 years with a qualifying day

Days per year at Collegeville St John's with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 68 in 1894.

Days at or above 30 C (86 F) per year at Collegeville St John's
Year	Days	Decade average
1893	45	37.5
1894	68	37.5
1895	39	37.5
1896	35	37.5
1897	18	37.5
1898	20	37.5
1900	27	15.6
1901	28	15.6
1902	7	15.6
1903	3	15.6
1904	6	15.6
1905	11	15.6
1906	18	15.6
1907	10	15.6
1908	22	15.6
1909	24	15.6
1910	43	18.2
1911	27	18.2
1912	16	18.2
1913	16	18.2
1914	16	18.2
1915	3	18.2
1916	25	18.2
1917	16	18.2
1918	11	18.2
1919	9	18.2
1920	11	19.2
1921	28	19.2
1922	25	19.2
1923	25	19.2
1924	9	19.2
1925	28	19.2
1926	21	19.2
1927	10	19.2
1928	11	19.2
1929	24	19.2
1930	30	31.8
1931	41	31.8
1932	26	31.8
1933	47	31.8
1934	38	31.8
1935	30	31.8
1936	42	31.8
1937	35	31.8
1938	12	31.8
1939	17	31.8
1940	14	26
1949	38	26
1950	19	17.9
1951	6	17.9
1952	16	17.9
1953	22	17.9
1954	10	17.9
1955	27	17.9
1956	12	17.9
1957	16	17.9
1958	16	17.9
1959	35	17.9
1960	25	22.1
1961	33	22.1
1962	5	22.1
1963	21	22.1
1964	38	22.1
1965	12	22.1
1966	30	22.1
1967	17	22.1
1968	21	22.1
1969	19	22.1
1970	34	25.2
1971	18	25.2
1972	23	25.2
1973	20	25.2
1974	26	25.2
1975	32	25.2
1976	45	25.2
1977	22	25.2
1978	22	25.2
1979	10	25.2
1980	30	29.3
1981	11	29.3
1982	20	29.3
1983	40	29.3
1984	25	29.3
1985	12	29.3
1986	22	29.3
1987	41	29.3
1988	60	29.3
1989	32	29.3
1990	23	20.7
1991	25	20.7
1992	9	20.7
1993	8	20.7
1994	11	20.7
1995	27	20.7
1996	20	20.7
1997	22	20.7
1998	31	20.7
1999	31	20.7
2000	32	29.5
2001	44	29.5
2002	31	29.5
2003	34	29.5
2004	13	29.5
2005	35	29.5
2006	34	29.5
2007	46	29.5
2008	18	29.5
2009	8	29.5
2010	41	19.9
2011	36	19.9
2012	46	19.9
2013	20	19.9
2014	3	19.9
2015	3	19.9
2016	13	19.9
2017	7	19.9
2018	19	19.9
2019	11	19.9
2020	26	20.9
2021	37	20.9
2022	25	20.9
2023	27	20.9
2024	1	20.9
2025	14	20.9
2026	16	20.9

For each year, a bar from the first to the last day at Collegeville St John's meeting 30 C (86 F).

First to last qualifying date each year at Collegeville St John's
Year	First date	Last date
1893	1893-06-12	1893-09-12
1894	1894-05-14	1894-09-28
1895	1895-05-28	1895-09-20
1896	1896-05-05	1896-08-29
1897	1897-05-05	1897-09-30
1898	1898-06-17	1898-09-02
1900	1900-05-10	1900-09-05
1901	1901-05-01	1901-08-21
1902	1902-06-09	1902-08-01
1903	1903-06-06	1903-08-21
1904	1904-06-18	1904-08-15
1905	1905-07-13	1905-09-11
1906	1906-06-28	1906-09-10
1907	1907-06-16	1907-09-01
1908	1908-07-09	1908-09-22
1909	1909-05-05	1909-08-28
1910	1910-04-27	1910-09-17
1911	1911-06-05	1911-09-16
1912	1912-06-24	1912-09-09
1913	1913-05-27	1913-09-06
1914	1914-05-26	1914-08-08
1915	1915-07-12	1915-08-12
1916	1916-05-06	1916-08-19
1917	1917-06-17	1917-08-22
1918	1918-06-10	1918-08-25
1919	1919-05-28	1919-08-14
1920	1920-06-11	1920-09-14
1921	1921-05-22	1921-09-01
1922	1922-06-06	1922-10-03
1923	1923-06-01	1923-09-05
1924	1924-07-15	1924-08-29
1925	1925-05-20	1925-09-19
1926	1926-05-01	1926-08-27
1927	1927-06-28	1927-09-14
1928	1928-05-09	1928-10-10
1929	1929-06-11	1929-09-03
1930	1930-06-21	1930-08-31
1931	1931-05-15	1931-09-20
1932	1932-05-13	1932-08-30
1933	1933-06-01	1933-09-08
1934	1934-04-30	1934-08-18
1935	1935-07-01	1935-09-24
1936	1936-06-16	1936-09-22
1937	1937-05-29	1937-09-09
1938	1938-06-21	1938-08-14
1939	1939-05-30	1939-09-15
1940	1940-05-12	1940-09-19
1949	1949-05-03	1949-08-26
1950	1950-05-23	1950-08-16
1951	1951-07-15	1951-08-01
1952	1952-04-30	1952-09-27
1953	1953-05-29	1953-10-02
1954	1954-06-23	1954-08-28
1955	1955-05-02	1955-09-17
1956	1956-06-09	1956-09-27
1957	1957-07-02	1957-08-31
1958	1958-05-29	1958-08-19
1959	1959-05-01	1959-09-08
1960	1960-06-27	1960-09-06
1961	1961-05-11	1961-09-09
1962	1962-06-28	1962-08-21
1963	1963-06-09	1963-10-05
1964	1964-05-18	1964-09-02
1965	1965-06-19	1965-08-14
1966	1966-05-26	1966-08-30
1967	1967-06-30	1967-08-24
1968	1968-06-04	1968-08-24
1969	1969-05-27	1969-08-30
1970	1970-05-18	1970-09-06
1971	1971-05-14	1971-09-07
1972	1972-05-17	1972-08-29
1973	1973-06-01	1973-08-28
1974	1974-06-03	1974-09-18
1975	1975-05-17	1975-08-24
1976	1976-06-06	1976-09-30
1977	1977-05-13	1977-09-08
1978	1978-05-25	1978-09-10
1979	1979-06-03	1979-09-04
1980	1980-04-21	1980-09-08
1981	1981-06-07	1981-09-10
1982	1982-07-03	1982-08-19
1983	1983-06-10	1983-09-27
1984	1984-05-31	1984-09-19
1985	1985-05-10	1985-08-07
1986	1986-05-28	1986-08-16
1987	1987-04-17	1987-09-27
1988	1988-05-26	1988-09-11
1989	1989-06-19	1989-08-13
1990	1990-05-07	1990-09-13
1991	1991-05-12	1991-08-30
1992	1992-05-01	1992-10-02
1993	1993-06-11	1993-08-26
1994	1994-05-19	1994-08-27
1995	1995-06-03	1995-09-04
1996	1996-06-10	1996-09-06
1997	1997-06-01	1997-09-05
1998	1998-05-04	1998-09-19
1999	1999-05-28	1999-09-03
2000	2000-05-04	2000-09-18
2001	2001-05-14	2001-09-05
2002	2002-05-29	2002-09-08
2003	2003-04-14	2003-10-07
2004	2004-04-28	2004-09-04
2005	2005-06-19	2005-09-11
2006	2006-05-27	2006-08-08
2007	2007-05-10	2007-09-23
2008	2008-06-19	2008-09-01
2009	2009-04-23	2009-08-14
2010	2010-05-24	2010-10-08
2011	2011-06-06	2011-10-05
2012	2012-05-14	2012-09-11
2013	2013-05-14	2013-09-07
2014	2014-07-21	2014-08-03
2015	2015-06-09	2015-08-14
2016	2016-05-06	2016-08-16
2017	2017-06-03	2017-09-22
2018	2018-05-24	2018-09-16
2019	2019-05-31	2019-07-26
2020	2020-06-01	2020-08-24
2021	2021-05-01	2021-09-16
2022	2022-06-14	2022-09-20
2023	2023-06-20	2023-10-02
2024	2024-08-26	2024-08-26
2025	2025-05-11	2025-10-04
2026	2026-05-27	2026-07-30

Every Fixed Threshold

Fixed thresholds at Collegeville St John's
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	125	68	1894	16
35 C (95 F): Days	68	20	1988	1
40 C (104 F): Days	2	2	1934	2
90 F (32.2 C): Days	116	36	1894	6
100 F (37.8 C): Days	11	9	1988	2
0 C (32 F): Ice days (max	125	116	1950	47
0 C (32 F): Frost days (min	122	195	1907	100
-10 C (14 F): Days with min	122	110	1955	38
-20 C (-4 F): Days with min	122	52	1929	17
-30 C (-22 F): Days with min	88	11	1912	2
20 C (68 F): Tropical nights (min	121	26	1983	13
25 C (77 F): Days with min	20	4	1931	2
10 mm (0.39 in): Days with 10 mm or more rain	122	41	2019	13
25 mm (0.98 in): Days with 25 mm or more rain	122	12	1913	1
50 mm (1.97 in): Days with 50 mm or more rain	71	5	1913	2
100 mm (3.94 in): Days with 100 mm or more rain	7	1	1894	1
10 cm (3.9 in): Days with 10 cm or more snowfall	78	12	2019	1
25 cm (9.8 in): Days with 25 cm or more snowfall	20	3	1940	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1965	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Collegeville St John's 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Collegeville St John's Threshold Days by Year (USC00211691)

Key Facts for Collegeville St John's Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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