Boulia Airport Threshold Days by Year

15 fixed thresholds counted per year at Boulia Airport (ASN00038003): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boulia Airport Thresholds

Boulia Airport: days with 10 mm (0.39 in) or more of precipitation in 133 years, most in 1974 with 21.
Boulia Airport: nights with a minimum temperature at or above 20 C (68 F) in 121 years, most in 1998 with 195.
Boulia Airport: nights with a minimum temperature at or above 25 C (77 F) in 120 years, most in 2018 with 90.
Boulia Airport: days with 25 mm (0.98 in) or more of precipitation in 117 years, most in 1974 with 12.
15 fixed thresholds have at least one qualifying day at Boulia Airport.

Days at or above 30 C (86 F)

116 years with a qualifying day

Days per year at Boulia Airport with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 260 in 1942.

Days at or above 30 C (86 F) per year at Boulia Airport
Year	Days	Decade average
1888	234	234
1889	234	234
1890	205	201.1
1891	177	201.1
1894	178	201.1
1896	204	201.1
1897	224	201.1
1898	228	201.1
1899	192	201.1
1900	232	208.6
1906	208	208.6
1907	213	208.6
1908	195	208.6
1909	195	208.6
1910	248	230.9
1911	233	230.9
1912	231	230.9
1915	252	230.9
1916	242	230.9
1917	200	230.9
1918	214	230.9
1919	227	230.9
1920	194	216.6
1921	215	216.6
1922	225	216.6
1923	235	216.6
1924	209	216.6
1925	209	216.6
1926	216	216.6
1927	218	216.6
1928	240	216.6
1929	205	216.6
1930	219	214.4
1931	223	214.4
1932	202	214.4
1933	212	214.4
1934	211	214.4
1935	219	214.4
1936	213	214.4
1937	226	214.4
1938	215	214.4
1939	204	214.4
1940	200	215.1
1941	196	215.1
1942	260	215.1
1943	224	215.1
1944	206	215.1
1945	225	215.1
1946	218	215.1
1947	207	215.1
1948	218	215.1
1949	197	215.1
1950	168	216
1951	232	216
1952	213	216
1953	219	216
1954	232	216
1955	216	216
1956	190	216
1957	226	216
1958	244	216
1959	220	216
1960	211	223.6
1961	223	223.6
1962	212	223.6
1963	229	223.6
1964	230	223.6
1965	228	223.6
1966	214	223.6
1967	248	223.6
1968	220	223.6
1969	221	223.6
1971	204	216.6
1972	235	216.6
1973	233	216.6
1974	204	216.6
1975	223	216.6
1976	185	216.6
1977	227	216.6
1978	207	216.6
1979	231	216.6
1980	249	219
1981	236	219
1982	213	219
1983	201	219
1984	203	219
1985	212	219
1986	225	219
1987	222	219
1988	223	219
1989	206	219
1990	221	222
1991	223	222
1992	215	222
1993	234	222
1994	221	222
1995	227	222
1996	227	222
1997	222	222
1998	210	222
1999	220	222
2000	204	227.9
2001	224	227.9
2002	246	227.9
2003	236	227.9
2004	222	227.9
2005	231	227.9
2006	224	227.9
2007	239	227.9
2008	232	227.9
2009	221	227.9
2010	212	212.3
2011	208	212.3
2016	205	212.3
2018	224	212.3
2026	90	90

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

First to last qualifying date each year at Boulia Airport
Year	First date	Last date
1888	1888-01-03	1888-12-31
1889	1889-01-01	1889-12-31
1890	1890-01-01	1890-12-31
1891	1891-01-01	1891-12-31
1894	1894-01-01	1894-12-31
1896	1896-01-01	1896-12-30
1897	1897-01-01	1897-12-31
1898	1898-01-01	1898-12-31
1899	1899-01-01	1899-12-31
1900	1900-01-01	1900-12-31
1906	1906-01-01	1906-12-30
1907	1907-01-01	1907-12-31
1908	1908-01-01	1908-12-31
1909	1909-01-01	1909-12-31
1910	1910-01-01	1910-12-31
1911	1911-01-01	1911-12-31
1912	1912-01-01	1912-12-31
1915	1915-01-01	1915-12-31
1916	1916-01-01	1916-12-31
1917	1917-01-01	1917-12-31
1918	1918-01-01	1918-12-31
1919	1919-01-01	1919-12-31
1920	1920-01-01	1920-12-31
1921	1921-01-01	1921-12-31
1922	1922-01-01	1922-12-31
1923	1923-01-01	1923-12-31
1924	1924-01-01	1924-12-31
1925	1925-01-01	1925-12-31
1926	1926-01-01	1926-12-31
1927	1927-01-01	1927-12-31
1928	1928-01-01	1928-12-31
1929	1929-01-01	1929-12-31
1930	1930-01-01	1930-12-31
1931	1931-01-01	1931-12-31
1932	1932-01-01	1932-12-31
1933	1933-01-01	1933-12-31
1934	1934-01-01	1934-12-31
1935	1935-01-01	1935-12-31
1936	1936-01-01	1936-12-31
1937	1937-01-01	1937-12-31
1938	1938-01-01	1938-12-31
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
1945	1945-01-01	1945-12-31
1946	1946-01-01	1946-12-31
1947	1947-01-01	1947-12-31
1948	1948-01-01	1948-12-31
1949	1949-01-01	1949-12-31
1950	1950-01-01	1950-12-31
1951	1951-01-01	1951-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-31
1954	1954-01-01	1954-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-12-30
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-02	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-02	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-30
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-31
1984	1984-01-01	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-01	1987-12-30
1988	1988-01-01	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-31
1992	1992-01-01	1992-12-31
1993	1993-01-01	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31
1996	1996-01-03	1996-12-31
1997	1997-01-01	1997-12-30
1998	1998-01-01	1998-12-29
1999	1999-01-02	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	2003-01-02	2003-12-31
2004	2004-01-01	2004-12-22
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	2009-12-31
2010	2010-01-01	2010-12-31
2011	2011-01-01	2011-12-31
2016	2016-01-01	2016-12-31
2018	2018-01-02	2018-12-31
2026	2026-01-05	2026-10-07

Every Fixed Threshold

Fixed thresholds at Boulia Airport
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	116	260	1942	90
35 C (95 F): Days	116	186	1889	59
40 C (104 F): Days	116	101	1915	10
45 C (113 F): Days	51	15	1915	5
90 F (32.2 C): Days	116	223	1942	77
100 F (37.8 C): Days	116	138	1889	23
110 F (43.3 C): Days	104	34	1915	2
0 C (32 F): Frost days (min	12	32	1894	1
20 C (68 F): Tropical nights (min	121	195	1998	61
25 C (77 F): Days with min	120	90	2018	20
10 mm (0.39 in): Days with 10 mm or more rain	133	21	1974	11
25 mm (0.98 in): Days with 25 mm or more rain	117	12	1974	2
50 mm (1.97 in): Days with 50 mm or more rain	58	4	1890	1
100 mm (3.94 in): Days with 100 mm or more rain	10	1	1894	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1894	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1888.

Download the Data

Data for Boulia Airport 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Boulia Airport Threshold Days by Year

Key Facts for Boulia Airport Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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