Prentice #2 Threshold Days by Year (USC00476859)

19 fixed thresholds counted per year at Prentice #2 (USC00476859): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Prentice #2 Thresholds

Prentice #2: days with a maximum temperature at or below 0 C (32 F) in 102 years, most in 1955 with 114.
Prentice #2: days with a maximum temperature at or above 30 C (86 F) in 98 years, most in 1933 with 48.
Prentice #2: nights with a minimum temperature at or below 0 C (32 F) in 98 years, most in 1917 with 223.
Prentice #2: nights with a minimum temperature at or below -10 C (14 F) in 98 years, most in 1989 with 112.
19 fixed thresholds have at least one qualifying day at Prentice #2.

Days at or above 30 C (86 F)

98 years with a qualifying day

Days per year at Prentice #2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 1933.

Days at or above 30 C (86 F) per year at Prentice #2
Year	Days	Decade average
1902	5	14.5
1904	7	14.5
1905	22	14.5
1906	20	14.5
1907	8	14.5
1908	25	14.5
1911	21	18.5
1912	16	18.5
1913	18	18.5
1914	14	18.5
1916	31	18.5
1917	18	18.5
1918	9	18.5
1919	21	18.5
1920	10	13.7
1921	33	13.7
1922	14	13.7
1923	17	13.7
1924	5	13.7
1925	19	13.7
1926	6	13.7
1927	10	13.7
1928	11	13.7
1929	12	13.7
1930	24	28.2
1931	27	28.2
1932	21	28.2
1933	48	28.2
1934	39	28.2
1935	25	28.2
1936	41	28.2
1937	37	28.2
1938	9	28.2
1939	11	28.2
1940	10	13.1
1941	18	13.1
1942	4	13.1
1943	17	13.1
1944	12	13.1
1946	6	13.1
1947	18	13.1
1948	19	13.1
1949	14	13.1
1950	5	8.7
1952	10	8.7
1953	12	8.7
1954	3	8.7
1955	19	8.7
1956	5	8.7
1957	11	8.7
1958	3	8.7
1959	10	8.7
1960	10	10.8
1961	10	10.8
1963	6	10.8
1964	26	10.8
1965	7	10.8
1966	13	10.8
1968	9	10.8
1969	5	10.8
1970	10	7.2
1971	2	7.2
1972	5	7.2
1973	5	7.2
1974	6	7.2
1975	10	7.2
1976	20	7.2
1977	7	7.2
1978	6	7.2
1979	1	7.2
1980	6	7.8
1981	1	7.8
1982	3	7.8
1983	7	7.8
1984	3	7.8
1985	3	7.8
1986	6	7.8
1987	13	7.8
1988	27	7.8
1989	9	7.8
1990	1	6.3
1991	10	6.3
1992	1	6.3
1993	3	6.3
1994	3	6.3
1995	11	6.3
1996	4	6.3
1997	4	6.3
1998	12	6.3
1999	14	6.3
2000	7	8.8
2001	20	8.8
2002	11	8.8
2003	12	8.8
2004	2	8.8
2009	1	8.8
2010	8	8
2013	8	8

For each year, a bar from the first to the last day at Prentice #2 meeting 30 C (86 F).

First to last qualifying date each year at Prentice #2
Year	First date	Last date
1902	1902-05-19	1902-08-18
1904	1904-06-17	1904-09-29
1905	1905-07-03	1905-10-04
1906	1906-06-18	1906-09-12
1907	1907-06-16	1907-08-31
1908	1908-06-06	1908-09-22
1911	1911-05-26	1911-08-16
1912	1912-06-28	1912-09-10
1913	1913-06-15	1913-09-07
1914	1914-05-27	1914-07-26
1916	1916-07-01	1916-08-22
1917	1917-07-17	1917-08-20
1918	1918-07-19	1918-08-22
1919	1919-05-26	1919-09-08
1920	1920-06-12	1920-09-26
1921	1921-05-23	1921-09-01
1922	1922-05-11	1922-09-07
1923	1923-06-01	1923-07-23
1924	1924-07-28	1924-08-29
1925	1925-05-31	1925-09-05
1926	1926-07-08	1926-08-03
1927	1927-06-28	1927-09-15
1928	1928-05-24	1928-08-16
1929	1929-07-22	1929-09-04
1930	1930-06-21	1930-09-23
1931	1931-06-01	1931-09-12
1932	1932-06-05	1932-09-02
1933	1933-06-03	1933-09-22
1934	1934-05-06	1934-08-19
1935	1935-07-03	1935-09-25
1936	1936-05-08	1936-09-22
1937	1937-05-30	1937-09-23
1938	1938-06-22	1938-08-14
1939	1939-05-30	1939-09-15
1940	1940-06-17	1940-09-19
1941	1941-06-20	1941-08-07
1942	1942-07-12	1942-08-21
1943	1943-06-03	1943-08-23
1944	1944-06-25	1944-08-14
1946	1946-06-28	1946-08-16
1947	1947-06-27	1947-09-09
1948	1948-06-02	1948-09-16
1949	1949-05-03	1949-08-26
1950	1950-06-06	1950-07-29
1952	1952-04-28	1952-09-09
1953	1953-05-08	1953-09-02
1954	1954-07-13	1954-07-27
1955	1955-05-03	1955-09-18
1956	1956-06-09	1956-06-13
1957	1957-07-13	1957-09-01
1958	1958-07-26	1958-08-19
1959	1959-05-02	1959-09-08
1960	1960-07-21	1960-09-07
1961	1961-06-28	1961-09-09
1963	1963-06-03	1963-07-26
1964	1964-05-22	1964-08-05
1965	1965-06-27	1965-08-14
1966	1966-06-25	1966-08-17
1968	1968-06-04	1968-08-24
1969	1969-07-12	1969-08-31
1970	1970-04-29	1970-08-14
1971	1971-06-27	1971-06-28
1972	1972-07-21	1972-08-18
1973	1973-07-07	1973-08-29
1974	1974-07-07	1974-07-18
1975	1975-06-21	1975-08-01
1976	1976-06-09	1976-10-01
1977	1977-06-27	1977-08-27
1978	1978-05-26	1978-09-09
1979	1979-07-10	1979-07-10
1980	1980-04-23	1980-07-16
1981	1981-07-07	1981-07-07
1982	1982-07-05	1982-08-04
1983	1983-07-15	1983-08-28
1984	1984-08-07	1984-08-29
1985	1985-06-09	1985-09-07
1986	1986-05-30	1986-07-29
1987	1987-06-14	1987-08-03
1988	1988-06-02	1988-08-18
1989	1989-07-06	1989-08-05
1990	1990-07-04	1990-07-04
1991	1991-05-15	1991-08-31
1992	1992-08-10	1992-08-10
1993	1993-07-28	1993-08-26
1994	1994-05-21	1994-08-26
1995	1995-06-18	1995-07-31
1996	1996-06-28	1996-08-07
1997	1997-07-02	1997-07-19
1998	1998-06-27	1998-09-14
1999	1999-06-26	1999-09-04
2000	2000-06-09	2000-09-01
2001	2001-06-26	2001-08-23
2002	2002-06-25	2002-09-10
2003	2003-07-04	2003-09-09
2004	2004-07-21	2004-09-03
2009	2009-06-24	2009-06-24
2010	2010-05-25	2010-08-23
2013	2013-07-17	2013-08-29

Every Fixed Threshold

Fixed thresholds at Prentice #2
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	98	48	1933	8
35 C (95 F): Days	19	12	1936	1
40 C (104 F): Days	1	4	1936	4
90 F (32.2 C): Days	69	23	1934	1
100 F (37.8 C): Days	5	6	1936	1
0 C (32 F): Ice days (max	102	114	1955	104
0 C (32 F): Frost days (min	98	223	1917	188
-10 C (14 F): Days with min	98	112	1989	105
-20 C (-4 F): Days with min	98	60	1978	48
-30 C (-22 F): Days with min	95	24	1936	6
-40 C (-40 F): Days with min	25	6	1996	6
20 C (68 F): Tropical nights (min	71	6	1913	2
25 C (77 F): Days with min	2	1	1933	1
10 mm (0.39 in): Days with 10 mm or more rain	95	46	1942	32
25 mm (0.98 in): Days with 25 mm or more rain	94	13	1902	8
50 mm (1.97 in): Days with 50 mm or more rain	56	6	1941	3
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1939	1
10 cm (3.9 in): Days with 10 cm or more snowfall	74	10	1985	3
25 cm (9.8 in): Days with 25 cm or more snowfall	14	2	1985	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

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Data for Prentice #2 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).

Prentice #2 Threshold Days by Year (USC00476859)

Key Facts for Prentice #2 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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