Ponce 4 E Threshold Days by Year (RQC00667292)

11 fixed thresholds counted per year at Ponce 4 E (RQC00667292): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ponce 4 E Thresholds

Ponce 4 E: nights with a minimum temperature at or above 20 C (68 F) in 96 years, most in 1998 with 339.
Ponce 4 E: days with 10 mm (0.39 in) or more of precipitation in 95 years, most in 1916 with 38.
Ponce 4 E: days with 25 mm (0.98 in) or more of precipitation in 95 years, most in 1970 with 20.
Ponce 4 E: days with a maximum temperature at or above 30 C (86 F) in 94 years, most in 2012 with 365.
11 fixed thresholds have at least one qualifying day at Ponce 4 E.

Days at or above 30 C (86 F)

94 years with a qualifying day

Days per year at Ponce 4 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 2012.

Days at or above 30 C (86 F) per year at Ponce 4 E
Year	Days	Decade average
1902	232	294
1903	316	294
1907	302	294
1908	309	294
1909	311	294
1910	302	320
1911	314	320
1912	315	320
1914	348	320
1915	346	320
1916	323	320
1917	292	320
1925	255	303.8
1926	356	303.8
1927	334	303.8
1928	317	303.8
1929	257	303.8
1930	275	299.4
1931	316	299.4
1932	330	299.4
1933	262	299.4
1934	252	299.4
1935	292	299.4
1936	322	299.4
1937	311	299.4
1938	316	299.4
1939	318	299.4
1940	358	344.9
1941	361	344.9
1942	349	344.9
1943	338	344.9
1944	347	344.9
1946	330	344.9
1947	331	344.9
1955	256	264
1956	239	264
1957	251	264
1958	287	264
1959	287	264
1960	314	326.3
1961	296	326.3
1963	344	326.3
1964	357	326.3
1965	344	326.3
1966	351	326.3
1967	322	326.3
1969	282	326.3
1970	265	278.9
1971	242	278.9
1972	296	278.9
1973	288	278.9
1974	275	278.9
1975	268	278.9
1976	247	278.9
1977	311	278.9
1978	298	278.9
1979	299	278.9
1980	325	317.9
1981	344	317.9
1982	321	317.9
1983	327	317.9
1985	289	317.9
1986	311	317.9
1987	324	317.9
1988	323	317.9
1989	297	317.9
1990	320	330.8
1991	315	330.8
1992	301	330.8
1993	308	330.8
1994	352	330.8
1995	348	330.8
1996	332	330.8
1997	343	330.8
1998	356	330.8
1999	333	330.8
2000	311	342.8
2001	349	342.8
2002	354	342.8
2003	348	342.8
2004	339	342.8
2005	309	342.8
2006	351	342.8
2007	361	342.8
2008	354	342.8
2009	352	342.8
2010	354	355.3
2011	352	355.3
2012	365	355.3
2013	350	355.3
2023	322	310.5
2024	337	310.5
2025	330	310.5
2026	253	310.5

For each year, a bar from the first to the last day at Ponce 4 E meeting 30 C (86 F).

First to last qualifying date each year at Ponce 4 E
Year	First date	Last date
1902	1902-01-02	1902-12-29
1903	1903-01-05	1903-12-28
1907	1907-01-03	1907-12-31
1908	1908-01-01	1908-12-28
1909	1909-01-04	1909-12-31
1910	1910-01-01	1910-12-31
1911	1911-01-01	1911-12-31
1912	1912-01-01	1912-12-12
1914	1914-01-01	1914-12-31
1915	1915-01-01	1915-12-31
1916	1916-01-01	1916-12-31
1917	1917-01-01	1917-12-26
1925	1925-01-01	1925-12-31
1926	1926-01-01	1926-12-31
1927	1927-01-02	1927-12-29
1928	1928-01-02	1928-12-31
1929	1929-01-07	1929-12-31
1930	1930-01-03	1930-12-31
1931	1931-01-01	1931-12-31
1932	1932-01-01	1932-12-30
1933	1933-01-04	1933-12-30
1934	1934-01-03	1934-12-31
1935	1935-01-02	1935-12-31
1936	1936-01-02	1936-12-29
1937	1937-01-08	1937-12-31
1938	1938-01-01	1938-12-30
1939	1939-01-01	1939-12-31
1940	1940-01-01	1940-12-31
1941	1941-01-01	1941-12-31
1942	1942-01-01	1942-12-31
1943	1943-01-01	1943-12-31
1944	1944-01-01	1944-12-31
1946	1946-01-01	1946-12-30
1947	1947-01-01	1947-12-31
1955	1955-01-15	1955-12-29
1956	1956-01-01	1956-12-21
1957	1957-01-03	1957-12-27
1958	1958-01-04	1958-12-31
1959	1959-01-01	1959-12-31
1960	1960-01-01	1960-12-31
1961	1961-02-01	1961-12-31
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-02	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-11-17
1971	1971-01-03	1971-12-31
1972	1972-01-02	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-28
1975	1975-01-14	1975-12-21
1976	1976-01-12	1976-12-31
1977	1977-01-03	1977-12-31
1978	1978-01-01	1978-12-29
1979	1979-01-02	1979-12-31
1980	1980-01-01	1980-12-26
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-31
1985	1985-01-02	1985-12-30
1986	1986-01-01	1986-12-31
1987	1987-01-01	1987-12-30
1988	1988-01-02	1988-12-29
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-30
1992	1992-01-01	1992-12-31
1993	1993-01-08	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31
1996	1996-01-01	1996-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-31
2001	2001-01-01	2001-12-31
2002	2002-01-01	2002-12-31
2003	2003-01-01	2003-12-29
2004	2004-01-01	2004-12-31
2005	2005-01-01	2005-12-31
2006	2006-01-01	2006-12-31
2007	2007-01-01	2007-12-31
2008	2008-01-01	2008-12-31
2009	2009-01-01	2009-12-30
2010	2010-01-01	2010-12-31
2011	2011-01-01	2011-12-31
2012	2012-01-01	2012-12-31
2013	2013-01-01	2013-12-31
2023	2023-01-11	2023-12-31
2024	2024-01-01	2024-12-23
2025	2025-01-11	2025-12-25
2026	2026-01-02	2026-10-13

Every Fixed Threshold

Fixed thresholds at Ponce 4 E
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	94	365	2012	253
35 C (95 F): Days	71	24	2009	18
90 F (32.2 C): Days	94	321	1941	139
100 F (37.8 C): Days	2	1	1944	1
20 C (68 F): Tropical nights (min	96	339	1998	255
25 C (77 F): Days with min	82	86	2024	60
10 mm (0.39 in): Days with 10 mm or more rain	95	38	1916	6
25 mm (0.98 in): Days with 25 mm or more rain	95	20	1970	2
50 mm (1.97 in): Days with 50 mm or more rain	87	10	1943	1
100 mm (3.94 in): Days with 100 mm or more rain	36	3	1979	1
200 mm (7.87 in): Days with 200 mm or more rain	5	1	1979	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.

Download the Data

Data for Ponce 4 E 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Ponce 4 E Threshold Days by Year (RQC00667292)

Key Facts for Ponce 4 E Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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