Lisboa Geofisica Threshold Days by Year (PO000008535)

13 fixed thresholds counted per year at Lisboa Geofisica (PO000008535): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lisboa Geofisica Thresholds

Lisboa Geofisica: days with a maximum temperature at or above 30 C (86 F) in 120 years, most in 2016 with 46.
Lisboa Geofisica: days with a maximum temperature at or above 90 F (32.2 C) in 120 years, most in 1941 with 27.
Lisboa Geofisica: nights with a minimum temperature at or above 20 C (68 F) in 118 years, most in 1926 with 36.
Lisboa Geofisica: days with a maximum temperature at or above 35 C (95 F) in 97 years, most in 1949 with 11.
13 fixed thresholds have at least one qualifying day at Lisboa Geofisica.

Days at or above 30 C (86 F)

120 years with a qualifying day

Days per year at Lisboa Geofisica with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 2016.

Days at or above 30 C (86 F) per year at Lisboa Geofisica
Year	Days	Decade average
1901	22	15.3
1902	8	15.3
1903	15	15.3
1904	12	15.3
1905	12	15.3
1906	18	15.3
1907	25	15.3
1908	8	15.3
1909	18	15.3
1910	18	21.1
1911	29	21.1
1912	10	21.1
1913	26	21.1
1914	21	21.1
1915	20	21.1
1916	11	21.1
1917	20	21.1
1918	24	21.1
1919	32	21.1
1920	22	25.1
1921	23	25.1
1922	33	25.1
1923	38	25.1
1924	14	25.1
1925	21	25.1
1926	35	25.1
1927	11	25.1
1928	31	25.1
1929	23	25.1
1930	22	17.7
1931	6	17.7
1932	20	17.7
1933	17	17.7
1934	17	17.7
1935	23	17.7
1936	16	17.7
1937	28	17.7
1938	17	17.7
1939	11	17.7
1940	26	35.9
1941	45	35.9
1942	32	35.9
1943	39	35.9
1944	32	35.9
1945	33	35.9
1946	30	35.9
1947	33	35.9
1948	44	35.9
1949	45	35.9
1950	25	25.5
1951	22	25.5
1952	21	25.5
1953	42	25.5
1954	19	25.5
1955	27	25.5
1956	19	25.5
1957	35	25.5
1958	22	25.5
1959	23	25.5
1960	27	27.4
1961	40	27.4
1962	25	27.4
1963	19	27.4
1964	36	27.4
1965	25	27.4
1966	35	27.4
1967	15	27.4
1968	22	27.4
1969	30	27.4
1970	26	21.3
1971	17	21.3
1972	8	21.3
1973	22	21.3
1974	33	21.3
1975	18	21.3
1976	25	21.3
1977	16	21.3
1978	28	21.3
1979	20	21.3
1980	28	26.8
1981	31	26.8
1982	20	26.8
1983	20	26.8
1984	26	26.8
1985	26	26.8
1986	21	26.8
1987	38	26.8
1988	22	26.8
1989	36	26.8
1990	26	25.7
1991	43	25.7
1992	28	25.7
1993	23	25.7
1994	15	25.7
1995	24	25.7
1996	27	25.7
1997	22	25.7
1998	27	25.7
1999	22	25.7
2000	32	27.4
2001	19	27.4
2002	15	27.4
2003	33	27.4
2004	28	27.4
2005	34	27.4
2006	41	27.4
2007	22	27.4
2008	17	27.4
2009	33	27.4
2010	41	31.7
2011	22	31.7
2012	27	31.7
2013	37	31.7
2014	13	31.7
2015	30	31.7
2016	46	31.7
2017	40	31.7
2018	33	31.7
2019	28	31.7
2026	40	40

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

First to last qualifying date each year at Lisboa Geofisica
Year	First date	Last date
1901	1901-06-18	1901-08-16
1902	1902-05-25	1902-08-21
1903	1903-06-29	1903-08-30
1904	1904-05-11	1904-10-05
1905	1905-06-22	1905-09-04
1906	1906-05-27	1906-09-11
1907	1907-06-13	1907-09-16
1908	1908-07-20	1908-08-30
1909	1909-05-28	1909-10-03
1910	1910-06-14	1910-09-04
1911	1911-06-27	1911-09-29
1912	1912-05-06	1912-09-06
1913	1913-05-22	1913-08-22
1914	1914-06-22	1914-10-02
1915	1915-06-03	1915-09-17
1916	1916-07-27	1916-09-17
1917	1917-06-13	1917-09-26
1918	1918-06-12	1918-08-20
1919	1919-05-24	1919-09-09
1920	1920-05-06	1920-09-06
1921	1921-06-14	1921-09-12
1922	1922-05-07	1922-10-04
1923	1923-06-13	1923-10-09
1924	1924-06-14	1924-08-26
1925	1925-06-11	1925-09-02
1926	1926-07-09	1926-10-17
1927	1927-06-05	1927-09-18
1928	1928-06-14	1928-09-15
1929	1929-06-15	1929-08-24
1930	1930-07-07	1930-09-21
1931	1931-06-09	1931-08-10
1932	1932-06-21	1932-09-12
1933	1933-05-16	1933-08-22
1934	1934-05-22	1934-10-13
1935	1935-06-17	1935-09-19
1936	1936-07-03	1936-09-22
1937	1937-05-27	1937-09-08
1938	1938-06-16	1938-08-26
1939	1939-06-19	1939-09-06
1940	1940-05-30	1940-09-02
1941	1941-06-14	1941-10-19
1942	1942-05-31	1942-10-09
1943	1943-05-12	1943-09-05
1944	1944-04-30	1944-09-16
1945	1945-04-04	1945-10-11
1946	1946-06-29	1946-10-04
1947	1947-04-23	1947-09-29
1948	1948-06-20	1948-10-08
1949	1949-06-04	1949-10-11
1950	1950-04-09	1950-09-23
1951	1951-06-12	1951-09-19
1952	1952-06-20	1952-10-05
1953	1953-05-22	1953-09-11
1954	1954-06-16	1954-10-06
1955	1955-06-13	1955-10-12
1956	1956-05-11	1956-08-12
1957	1957-06-25	1957-09-27
1958	1958-04-29	1958-10-15
1959	1959-06-09	1959-09-06
1960	1960-05-24	1960-09-20
1961	1961-05-07	1961-09-14
1962	1962-06-20	1962-10-05
1963	1963-06-19	1963-10-08
1964	1964-05-15	1964-09-21
1965	1965-05-07	1965-09-20
1966	1966-05-20	1966-09-15
1967	1967-06-20	1967-10-09
1968	1968-05-17	1968-10-01
1969	1969-06-04	1969-08-28
1970	1970-05-21	1970-10-03
1971	1971-06-19	1971-09-29
1972	1972-07-10	1972-08-18
1973	1973-06-13	1973-08-31
1974	1974-05-19	1974-08-24
1975	1975-06-04	1975-09-20
1976	1976-05-31	1976-08-16
1977	1977-06-26	1977-09-30
1978	1978-07-01	1978-09-24
1979	1979-05-10	1979-09-02
1980	1980-06-01	1980-10-01
1981	1981-06-10	1981-09-13
1982	1982-06-14	1982-09-13
1983	1983-06-13	1983-10-02
1984	1984-06-10	1984-09-15
1985	1985-07-04	1985-10-13
1986	1986-06-04	1986-09-04
1987	1987-06-20	1987-09-16
1988	1988-06-01	1988-09-27
1989	1989-05-05	1989-10-06
1990	1990-05-29	1990-08-26
1991	1991-05-23	1991-09-19
1992	1992-05-15	1992-09-14
1993	1993-06-13	1993-08-31
1994	1994-05-01	1994-09-05
1995	1995-05-03	1995-10-18
1996	1996-05-27	1996-09-27
1997	1997-04-29	1997-10-01
1998	1998-06-16	1998-09-15
1999	1999-05-23	1999-09-10
2000	2000-06-06	2000-09-09
2001	2001-05-26	2001-09-17
2002	2002-06-11	2002-08-30
2003	2003-05-21	2003-09-18
2004	2004-06-09	2004-10-03
2005	2005-06-01	2005-09-30
2006	2006-05-26	2006-09-09
2007	2007-05-17	2007-09-06
2008	2008-06-12	2008-08-09
2009	2009-05-28	2009-10-12
2010	2010-05-19	2010-09-14
2011	2011-05-24	2011-10-13
2012	2012-05-12	2012-09-15
2013	2013-06-03	2013-09-22
2014	2014-06-12	2014-10-22
2015	2015-05-17	2015-09-20
2016	2016-06-08	2016-09-28
2017	2017-05-16	2017-10-27
2018	2018-06-17	2018-10-03
2019	2019-05-12	2019-09-13
2026	2026-05-22	2026-09-24

Every Fixed Threshold

Fixed thresholds at Lisboa Geofisica
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	120	46	2016	40
35 C (95 F): Days	97	11	1949	6
40 C (104 F): Days	5	2	2018	2
90 F (32.2 C): Days	120	27	1941	20
100 F (37.8 C): Days	24	4	2003	1
0 C (32 F): Frost days (min	6	4	1954	2
20 C (68 F): Tropical nights (min	118	36	1926	42
25 C (77 F): Days with min	29	3	1948	1
10 mm (0.39 in): Days with 10 mm or more rain	80	45	2010	10
25 mm (0.98 in): Days with 25 mm or more rain	78	21	2010	6
50 mm (1.97 in): Days with 50 mm or more rain	42	5	2010	6
100 mm (3.94 in): Days with 100 mm or more rain	2	1	2008	3
200 mm (7.87 in): Days with 200 mm or more rain	1	0	n/a	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

Data for Lisboa Geofisica 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).

Lisboa Geofisica Threshold Days by Year (PO000008535)

Key Facts for Lisboa Geofisica Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related