Praha-Klementinum Threshold Days by Year (EZE00100082)

12 fixed thresholds counted per year at Praha-Klementinum (EZE00100082): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Praha-Klementinum Thresholds

Praha-Klementinum: nights with a minimum temperature at or below 0 C (32 F) in 230 years, most in 1829 with 134.
Praha-Klementinum: days with a maximum temperature at or below 0 C (32 F) in 229 years, most in 1829 with 73.
Praha-Klementinum: nights with a minimum temperature at or below -10 C (14 F) in 202 years, most in 1940 with 47.
Praha-Klementinum: days with a maximum temperature at or above 30 C (86 F) in 200 years, most in 2003 with 28.
12 fixed thresholds have at least one qualifying day at Praha-Klementinum.

Days at or above 30 C (86 F)

200 years with a qualifying day

Days per year at Praha-Klementinum with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 2003.

Days at or above 30 C (86 F) per year at Praha-Klementinum
Year	Days	Decade average
1775	6	5
1776	2	5
1778	7	5
1781	12	6.1
1782	11	6.1
1783	3	6.1
1784	4	6.1
1785	2	6.1
1787	7	6.1
1788	7	6.1
1789	3	6.1
1790	3	6
1791	12	6
1792	7	6
1793	6	6
1794	6	6
1795	3	6
1796	3	6
1797	7	6
1798	10	6
1799	3	6
1800	6	8.6
1801	1	8.6
1802	11	8.6
1803	7	8.6
1804	7	8.6
1807	21	8.6
1808	9	8.6
1809	7	8.6
1810	2	7.7
1811	18	7.7
1819	3	7.7
1820	2	3.5
1822	1	3.5
1823	1	3.5
1825	1	3.5
1826	4	3.5
1827	8	3.5
1828	5	3.5
1829	6	3.5
1830	12	6.7
1832	4	6.7
1833	3	6.7
1834	24	6.7
1835	7	6.7
1836	2	6.7
1837	3	6.7
1838	2	6.7
1839	3	6.7
1841	4	3.3
1842	8	3.3
1845	3	3.3
1846	4	3.3
1847	1	3.3
1848	1	3.3
1849	2	3.3
1850	1	5.4
1852	4	5.4
1853	6	5.4
1854	2	5.4
1855	4	5.4
1856	1	5.4
1857	11	5.4
1858	3	5.4
1859	17	5.4
1860	2	8.1
1861	11	8.1
1862	5	8.1
1863	6	8.1
1865	11	8.1
1866	3	8.1
1867	4	8.1
1868	24	8.1
1869	7	8.1
1870	7	6
1871	3	6
1872	5	6
1873	9	6
1874	10	6
1875	5	6
1876	5	6
1877	7	6
1878	3	6
1880	3	4.7
1881	7	4.7
1883	3	4.7
1884	3	4.7
1885	10	4.7
1886	6	4.7
1887	4	4.7
1888	2	4.7
1889	4	4.7
1890	4	4
1891	2	4
1892	15	4
1893	1	4
1894	3	4
1895	4	4
1896	1	4
1897	2	4
1898	6	4
1899	2	4
1900	6	5
1901	2	5
1904	8	5
1905	7	5
1906	4	5
1907	3	5
1908	5	5
1911	12	5
1913	1	5
1915	4	5
1917	8	5
1918	3	5
1919	2	5
1920	2	5.7
1921	14	5.7
1922	1	5.7
1923	4	5.7
1924	3	5.7
1925	2	5.7
1926	1	5.7
1927	5	5.7
1928	12	5.7
1929	13	5.7
1930	11	8.4
1931	9	8.4
1932	12	8.4
1933	8	8.4
1934	8	8.4
1935	13	8.4
1936	2	8.4
1937	6	8.4
1938	9	8.4
1939	6	8.4
1940	2	10.9
1941	4	10.9
1942	11	10.9
1943	12	10.9
1944	8	10.9
1945	11	10.9
1946	9	10.9
1947	27	10.9
1948	14	10.9
1949	11	10.9
1950	13	7.8
1951	7	7.8
1952	19	7.8
1953	13	7.8
1954	5	7.8
1955	2	7.8
1956	1	7.8
1957	10	7.8
1958	3	7.8
1959	5	7.8
1960	3	8.5
1961	4	8.5
1962	5	8.5
1963	12	8.5
1964	16	8.5
1965	6	8.5
1966	4	8.5
1967	17	8.5
1968	5	8.5
1969	13	8.5
1970	9	7
1971	17	7
1972	9	7
1973	7	7
1974	5	7
1975	3	7
1976	11	7
1977	2	7
1978	1	7
1979	6	7
1980	2	7.7
1981	5	7.7
1982	9	7.7
1983	16	7.7
1984	5	7.7
1985	7	7.7
1986	12	7.7
1987	2	7.7
1988	10	7.7
1989	9	7.7
1990	14	11.4
1991	7	11.4
1992	19	11.4
1993	7	11.4
1994	27	11.4
1995	13	11.4
1996	4	11.4
1997	6	11.4
1998	9	11.4
1999	8	11.4
2000	14	15.2
2001	11	15.2
2002	13	15.2
2003	28	15.2
2004	10	15.2

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

First to last qualifying date each year at Praha-Klementinum
Year	First date	Last date
1775	1775-06-27	1775-08-23
1776	1776-07-17	1776-08-16
1778	1778-07-25	1778-08-15
1781	1781-07-02	1781-09-05
1782	1782-07-14	1782-08-25
1783	1783-08-03	1783-08-25
1784	1784-05-27	1784-08-05
1785	1785-08-04	1785-08-05
1787	1787-06-13	1787-08-10
1788	1788-06-20	1788-07-24
1789	1789-06-20	1789-07-17
1790	1790-06-22	1790-07-28
1791	1791-06-30	1791-08-18
1792	1792-05-21	1792-07-21
1793	1793-07-07	1793-07-19
1794	1794-06-14	1794-08-02
1795	1795-06-09	1795-06-11
1796	1796-07-19	1796-07-31
1797	1797-05-20	1797-08-19
1798	1798-05-17	1798-08-23
1799	1799-08-07	1799-08-09
1800	1800-07-09	1800-08-18
1801	1801-07-08	1801-07-08
1802	1802-07-11	1802-08-25
1803	1803-07-04	1803-08-04
1804	1804-06-05	1804-08-05
1807	1807-06-17	1807-08-30
1808	1808-07-13	1808-08-31
1809	1809-06-02	1809-08-20
1810	1810-07-14	1810-09-04
1811	1811-06-02	1811-08-28
1819	1819-07-06	1819-07-08
1820	1820-08-18	1820-08-19
1822	1822-07-25	1822-07-25
1823	1823-07-14	1823-07-14
1825	1825-08-05	1825-08-05
1826	1826-07-02	1826-08-04
1827	1827-07-02	1827-08-16
1828	1828-06-21	1828-07-09
1829	1829-06-28	1829-08-14
1830	1830-06-06	1830-08-15
1832	1832-07-11	1832-08-14
1833	1833-06-11	1833-06-30
1834	1834-06-15	1834-09-06
1835	1835-07-05	1835-08-22
1836	1836-06-24	1836-07-30
1837	1837-08-10	1837-08-12
1838	1838-07-14	1838-07-15
1839	1839-06-15	1839-07-25
1841	1841-06-26	1841-08-09
1842	1842-06-30	1842-08-20
1845	1845-07-05	1845-07-08
1846	1846-07-20	1846-08-07
1847	1847-05-25	1847-05-25
1848	1848-07-24	1848-07-24
1849	1849-06-06	1849-07-09
1850	1850-08-15	1850-08-15
1852	1852-07-15	1852-07-18
1853	1853-07-08	1853-08-23
1854	1854-07-24	1854-07-25
1855	1855-08-02	1855-08-25
1856	1856-08-14	1856-08-14
1857	1857-06-28	1857-08-06
1858	1858-06-11	1858-06-18
1859	1859-07-02	1859-08-09
1860	1860-07-18	1860-08-27
1861	1861-06-20	1861-08-17
1862	1862-06-08	1862-08-03
1863	1863-08-05	1863-08-29
1865	1865-05-24	1865-08-29
1866	1866-06-13	1866-07-14
1867	1867-07-22	1867-08-21
1868	1868-05-25	1868-08-17
1869	1869-05-29	1869-08-05
1870	1870-06-17	1870-08-04
1871	1871-07-10	1871-09-03
1872	1872-07-27	1872-09-06
1873	1873-07-12	1873-08-26
1874	1874-06-02	1874-09-03
1875	1875-06-15	1875-08-20
1876	1876-06-07	1876-08-22
1877	1877-06-11	1877-08-21
1878	1878-06-12	1878-07-23
1880	1880-07-08	1880-07-17
1881	1881-06-22	1881-08-09
1883	1883-07-04	1883-07-13
1884	1884-07-13	1884-07-17
1885	1885-06-06	1885-07-19
1886	1886-05-22	1886-07-26
1887	1887-07-27	1887-08-01
1888	1888-08-11	1888-08-12
1889	1889-06-08	1889-07-11
1890	1890-07-16	1890-08-19
1891	1891-06-30	1891-07-01
1892	1892-05-28	1892-08-25
1893	1893-08-21	1893-08-21
1894	1894-07-23	1894-08-07
1895	1895-07-01	1895-07-29
1896	1896-07-29	1896-07-29
1897	1897-06-30	1897-07-01
1898	1898-08-07	1898-08-18
1899	1899-07-23	1899-08-07
1900	1900-07-03	1900-08-24
1901	1901-06-01	1901-06-02
1904	1904-06-17	1904-08-15
1905	1905-06-05	1905-08-05
1906	1906-06-28	1906-08-23
1907	1907-08-06	1907-08-15
1908	1908-06-17	1908-07-13
1911	1911-07-22	1911-09-03
1913	1913-06-02	1913-06-02
1915	1915-06-09	1915-07-23
1917	1917-06-19	1917-07-31
1918	1918-07-17	1918-08-23
1919	1919-08-20	1919-08-21
1920	1920-07-17	1920-07-18
1921	1921-06-04	1921-08-11
1922	1922-07-06	1922-07-06
1923	1923-07-13	1923-08-10
1924	1924-07-04	1924-07-22
1925	1925-08-10	1925-08-11
1926	1926-07-19	1926-07-19
1927	1927-06-01	1927-08-08
1928	1928-06-10	1928-07-28
1929	1929-07-04	1929-09-05
1930	1930-06-11	1930-08-27
1931	1931-05-17	1931-08-06
1932	1932-05-21	1932-09-10
1933	1933-07-22	1933-08-10
1934	1934-06-18	1934-08-23
1935	1935-06-08	1935-09-02
1936	1936-07-18	1936-07-27
1937	1937-06-07	1937-08-09
1938	1938-06-25	1938-08-20
1939	1939-06-08	1939-07-31
1940	1940-07-07	1940-07-11
1941	1941-06-23	1941-07-13
1942	1942-07-10	1942-09-04
1943	1943-07-27	1943-08-22
1944	1944-07-07	1944-08-28
1945	1945-05-11	1945-08-30
1946	1946-06-08	1946-08-10
1947	1947-06-01	1947-09-20
1948	1948-06-11	1948-08-08
1949	1949-06-08	1949-08-09
1950	1950-05-21	1950-08-24
1951	1951-06-23	1951-08-30
1952	1952-06-18	1952-08-15
1953	1953-05-21	1953-09-02
1954	1954-06-20	1954-08-06
1955	1955-07-18	1955-07-19
1956	1956-07-11	1956-07-11
1957	1957-06-11	1957-07-08
1958	1958-07-13	1958-08-01
1959	1959-07-09	1959-07-28
1960	1960-08-26	1960-08-28
1961	1961-06-25	1961-08-06
1962	1962-06-23	1962-08-13
1963	1963-06-28	1963-08-07
1964	1964-06-05	1964-08-27
1965	1965-06-22	1965-08-07
1966	1966-06-16	1966-08-14
1967	1967-06-23	1967-08-16
1968	1968-06-17	1968-07-06
1969	1969-05-13	1969-08-04
1970	1970-06-21	1970-07-29
1971	1971-05-17	1971-08-20
1972	1972-07-09	1972-08-14
1973	1973-06-27	1973-09-06
1974	1974-08-04	1974-08-17
1975	1975-07-15	1975-08-11
1976	1976-06-27	1976-07-19
1977	1977-06-10	1977-07-13
1978	1978-08-01	1978-08-01
1979	1979-05-31	1979-06-05
1980	1980-06-14	1980-08-03
1981	1981-06-02	1981-08-16
1982	1982-06-02	1982-07-21
1983	1983-06-25	1983-08-01
1984	1984-07-10	1984-08-04
1985	1985-05-14	1985-08-15
1986	1986-06-16	1986-08-04
1987	1987-06-30	1987-07-01
1988	1988-07-05	1988-08-19
1989	1989-07-06	1989-08-22
1990	1990-06-20	1990-08-30
1991	1991-06-26	1991-08-08
1992	1992-06-30	1992-08-29
1993	1993-06-10	1993-08-22
1994	1994-06-25	1994-08-06
1995	1995-07-01	1995-08-23
1996	1996-06-07	1996-06-12
1997	1997-05-15	1997-08-28
1998	1998-06-05	1998-08-12
1999	1999-05-30	1999-08-08
2000	2000-06-04	2000-08-21
2001	2001-07-06	2001-08-27
2002	2002-06-18	2002-08-19
2003	2003-06-04	2003-08-22
2004	2004-07-17	2004-08-19

Every Fixed Threshold

Fixed thresholds at Praha-Klementinum
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	200	28	2003	10
35 C (95 F): Days	25	4	1994	1
90 F (32.2 C): Days	126	13	1994	1
100 F (37.8 C): Days	1	1	1983	1
0 C (32 F): Ice days (max	229	73	1829	20
0 C (32 F): Frost days (min	230	134	1829	64
-10 C (14 F): Days with min	202	47	1940	4
-20 C (-4 F): Days with min	48	9	1799	2
20 C (68 F): Tropical nights (min	125	20	1798	2
10 mm (0.39 in): Days with 10 mm or more rain	200	19	1890	8
25 mm (0.98 in): Days with 25 mm or more rain	149	6	1925	1
50 mm (1.97 in): Days with 50 mm or more rain	25	2	1931	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1775.

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Data for Praha-Klementinum 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).

Praha-Klementinum Threshold Days by Year (EZE00100082)

Key Facts for Praha-Klementinum Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

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