Byrock Post Office Threshold Days by Year

4 fixed thresholds counted per year at Byrock Post Office (ASN00048021): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Byrock Post Office Thresholds

Byrock Post Office: days with 10 mm (0.39 in) or more of precipitation in 103 years, most in 1950 with 32.
Byrock Post Office: days with 25 mm (0.98 in) or more of precipitation in 98 years, most in 1950 with 10.
Byrock Post Office: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1939 with 4.
Byrock Post Office: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1976 with 2.
4 fixed thresholds have at least one qualifying day at Byrock Post Office.

Days with 10 mm (0.39 in) or more of precipitation

103 years with a qualifying day

Days per year at Byrock Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1950.

Days with 10 mm (0.39 in) or more of precipitation per year at Byrock Post Office
Year	Days	Decade average
1892	9	12.1
1893	14	12.1
1894	20	12.1
1895	10	12.1
1896	14	12.1
1897	12	12.1
1898	7	12.1
1899	11	12.1
1900	5	9.8
1901	5	9.8
1902	6	9.8
1903	14	9.8
1904	9	9.8
1905	15	9.8
1906	18	9.8
1907	5	9.8
1908	11	9.8
1909	10	9.8
1910	9	11
1911	12	11
1912	7	11
1913	12	11
1914	11	11
1915	3	11
1916	18	11
1917	16	11
1921	18	9
1926	8	9
1927	7	9
1928	8	9
1929	4	9
1930	14	13.4
1931	17	13.4
1932	10	13.4
1933	18	13.4
1934	16	13.4
1935	9	13.4
1936	19	13.4
1937	4	13.4
1938	9	13.4
1939	18	13.4
1940	7	10.3
1941	7	10.3
1942	14	10.3
1943	10	10.3
1944	7	10.3
1945	9	10.3
1946	9	10.3
1947	17	10.3
1948	10	10.3
1949	13	10.3
1950	32	11.6
1951	5	11.6
1952	13	11.6
1953	7	11.6
1954	10	11.6
1956	16	11.6
1957	3	11.6
1958	13	11.6
1959	5	11.6
1960	9	9.3
1961	11	9.3
1962	15	9.3
1963	13	9.3
1964	7	9.3
1965	1	9.3
1966	12	9.3
1967	6	9.3
1968	10	9.3
1969	9	9.3
1970	11	12.2
1971	16	12.2
1972	8	12.2
1973	18	12.2
1974	16	12.2
1975	7	12.2
1976	18	12.2
1977	7	12.2
1979	9	12.2
1980	12	9.3
1981	11	9.3
1982	5	9.3
1983	12	9.3
1985	8	9.3
1986	10	9.3
1987	3	9.3
1988	16	9.3
1989	7	9.3
1990	14	12.1
1991	4	12.1
1992	9	12.1
1993	12	12.1
1994	10	12.1
1995	11	12.1
1996	10	12.1
1997	10	12.1
1998	22	12.1
1999	19	12.1
2000	15	8.8
2002	6	8.8
2004	11	8.8
2005	8	8.8
2006	4	8.8

For each year, a bar from the first to the last day at Byrock Post Office meeting 10 mm (0.39 in).

First to last qualifying date each year at Byrock Post Office
Year	First date	Last date
1892	1892-05-17	1892-11-21
1893	1893-01-17	1893-11-21
1894	1894-01-25	1894-12-11
1895	1895-01-26	1895-12-11
1896	1896-02-08	1896-12-02
1897	1897-01-09	1897-10-11
1898	1898-01-14	1898-11-04
1899	1899-01-28	1899-12-05
1900	1900-03-02	1900-07-05
1901	1901-04-22	1901-08-24
1902	1902-04-26	1902-12-04
1903	1903-01-27	1903-12-26
1904	1904-01-20	1904-12-19
1905	1905-02-10	1905-07-10
1906	1906-01-01	1906-12-18
1907	1907-03-13	1907-12-28
1908	1908-01-24	1908-12-18
1909	1909-01-20	1909-12-27
1910	1910-01-11	1910-12-12
1911	1911-01-12	1911-12-05
1912	1912-03-11	1912-12-23
1913	1913-02-06	1913-12-18
1914	1914-02-27	1914-12-29
1915	1915-05-15	1915-10-14
1916	1916-02-23	1916-12-09
1917	1917-01-17	1917-12-13
1921	1921-01-19	1921-12-27
1926	1926-03-20	1926-09-27
1927	1927-03-01	1927-12-09
1928	1928-01-19	1928-10-11
1929	1929-02-18	1929-11-15
1930	1930-01-23	1930-12-16
1931	1931-03-02	1931-12-08
1932	1932-02-08	1932-11-14
1933	1933-04-08	1933-12-26
1934	1934-01-29	1934-11-30
1935	1935-01-15	1935-12-02
1936	1936-01-06	1936-12-20
1937	1937-02-11	1937-08-17
1938	1938-01-16	1938-11-09
1939	1939-01-25	1939-10-06
1940	1940-04-11	1940-12-01
1941	1941-01-01	1941-06-02
1942	1942-01-15	1942-12-31
1943	1943-01-01	1943-11-19
1944	1944-02-06	1944-11-30
1945	1945-01-31	1945-09-30
1946	1946-01-15	1946-12-28
1947	1947-02-12	1947-12-25
1948	1948-02-02	1948-12-30
1949	1949-02-21	1949-10-24
1950	1950-01-19	1950-11-24
1951	1951-01-15	1951-11-27
1952	1952-02-18	1952-12-31
1953	1953-01-06	1953-10-30
1954	1954-01-24	1954-12-31
1956	1956-01-20	1956-12-15
1957	1957-02-20	1957-12-09
1958	1958-01-30	1958-12-26
1959	1959-01-03	1959-04-02
1960	1960-01-10	1960-11-22
1961	1961-01-03	1961-12-15
1962	1962-01-11	1962-12-29
1963	1963-01-15	1963-12-07
1964	1964-01-14	1964-10-30
1965	1965-12-14	1965-12-14
1966	1966-01-07	1966-12-30
1967	1967-01-31	1967-12-05
1968	1968-01-15	1968-07-17
1969	1969-03-10	1969-11-14
1970	1970-01-17	1970-12-11
1971	1971-01-26	1971-12-29
1972	1972-01-13	1972-10-29
1973	1973-01-13	1973-12-21
1974	1974-01-01	1974-11-18
1975	1975-01-06	1975-12-08
1976	1976-01-12	1976-12-23
1977	1977-01-14	1977-11-25
1979	1979-01-18	1979-10-23
1980	1980-01-03	1980-12-30
1981	1981-01-06	1981-11-20
1982	1982-01-15	1982-12-30
1983	1983-01-05	1983-11-28
1985	1985-01-02	1985-12-02
1986	1986-04-17	1986-11-13
1987	1987-02-11	1987-12-29
1988	1988-01-02	1988-12-16
1989	1989-03-15	1989-10-26
1990	1990-01-11	1990-10-22
1991	1991-02-07	1991-12-13
1992	1992-02-07	1992-12-23
1993	1993-01-04	1993-12-22
1994	1994-01-12	1994-12-24
1995	1995-01-02	1995-11-30
1996	1996-01-02	1996-09-29
1997	1997-02-12	1997-12-14
1998	1998-01-07	1998-11-12
1999	1999-01-27	1999-12-27
2000	2000-03-08	2000-11-19
2002	2002-02-04	2002-09-17
2004	2004-01-14	2004-12-06
2005	2005-05-12	2005-10-20
2006	2006-01-19	2006-12-25

Every Fixed Threshold

Fixed thresholds at Byrock Post Office
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	103	32	1950	4
25 mm (0.98 in): Days with 25 mm or more rain	98	10	1950	1
50 mm (1.97 in): Days with 50 mm or more rain	42	4	1939	2
100 mm (3.94 in): Days with 100 mm or more rain	6	2	1976	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1892.

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Data for Byrock Post Office 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Byrock Post Office Threshold Days by Year

Key Facts for Byrock Post Office Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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