Roper River Police Threshold Days by Year (ASN00014620)

4 fixed thresholds counted per year at Roper River Police (ASN00014620): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Roper River Police Thresholds

Roper River Police: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1975 with 35.
Roper River Police: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1950 with 18.
Roper River Police: days with 50 mm (1.97 in) or more of precipitation in 55 years, most in 1944 with 8.
Roper River Police: days with 100 mm (3.94 in) or more of precipitation in 14 years, most in 1948 with 3.
4 fixed thresholds have at least one qualifying day at Roper River Police.

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

60 years with a qualifying day

Days per year at Roper River Police with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1975.

Days with 10 mm (0.39 in) or more of precipitation per year at Roper River Police
Year	Days	Decade average
1895	22	24.6
1896	26	24.6
1897	26	24.6
1898	27	24.6
1899	22	24.6
1900	16	17.8
1901	16	17.8
1902	14	17.8
1903	25	17.8
1904	25	17.8
1905	8	17.8
1906	21	17.8
1908	18	17.8
1909	17	17.8
1910	22	15
1911	15	15
1912	10	15
1913	11	15
1914	17	15
1920	15	17.5
1923	17	17.5
1924	16	17.5
1925	27	17.5
1926	13	17.5
1927	11	17.5
1928	22	17.5
1929	19	17.5
1931	20	20.9
1932	21	20.9
1933	21	20.9
1934	18	20.9
1935	29	20.9
1936	11	20.9
1937	26	20.9
1938	20	20.9
1939	22	20.9
1941	22	19.2
1942	14	19.2
1943	15	19.2
1944	23	19.2
1945	24	19.2
1946	16	19.2
1947	17	19.2
1948	21	19.2
1949	21	19.2
1950	31	17.7
1951	18	17.7
1952	5	17.7
1953	17	17.7
1958	20	17.7
1959	15	17.7
1960	26	21.8
1961	11	21.8
1965	27	21.8
1966	23	21.8
1971	22	28
1972	20	28
1973	33	28
1974	30	28
1975	35	28

For each year, a bar from the first to the last day at Roper River Police meeting 10 mm (0.39 in).

First to last qualifying date each year at Roper River Police
Year	First date	Last date
1895	1895-01-05	1895-12-30
1896	1896-01-04	1896-11-25
1897	1897-01-06	1897-12-31
1898	1898-01-04	1898-12-27
1899	1899-01-03	1899-12-28
1900	1900-01-06	1900-11-26
1901	1901-01-03	1901-12-30
1902	1902-01-12	1902-12-26
1903	1903-01-05	1903-12-29
1904	1904-01-04	1904-12-15
1905	1905-01-16	1905-11-26
1906	1906-01-02	1906-12-16
1908	1908-01-02	1908-12-07
1909	1909-01-11	1909-12-04
1910	1910-01-07	1910-12-30
1911	1911-01-02	1911-12-17
1912	1912-01-03	1912-12-23
1913	1913-01-04	1913-12-30
1914	1914-01-01	1914-12-22
1920	1920-01-08	1920-12-07
1923	1923-01-03	1923-12-31
1924	1924-01-01	1924-12-09
1925	1925-01-11	1925-04-05
1926	1926-01-12	1926-11-23
1927	1927-02-15	1927-12-07
1928	1928-01-19	1928-12-28
1929	1929-01-09	1929-12-31
1931	1931-01-09	1931-12-29
1932	1932-01-22	1932-12-30
1933	1933-01-05	1933-12-25
1934	1934-01-06	1934-11-18
1935	1935-01-15	1935-12-30
1936	1936-01-07	1936-12-27
1937	1937-01-02	1937-12-31
1938	1938-01-02	1938-12-17
1939	1939-01-06	1939-12-21
1941	1941-01-03	1941-12-30
1942	1942-01-03	1942-12-29
1943	1943-02-03	1943-04-24
1944	1944-01-21	1944-12-22
1945	1945-01-13	1945-12-29
1946	1946-01-09	1946-12-27
1947	1947-01-05	1947-12-19
1948	1948-01-03	1948-12-29
1949	1949-01-29	1949-12-28
1950	1950-01-15	1950-12-31
1951	1951-01-04	1951-12-21
1952	1952-01-25	1952-12-11
1953	1953-01-02	1953-12-22
1958	1958-01-07	1958-12-28
1959	1959-01-16	1959-12-25
1960	1960-01-13	1960-12-29
1961	1961-01-03	1961-12-24
1965	1965-01-09	1965-12-28
1966	1966-01-07	1966-12-28
1971	1971-01-31	1971-12-06
1972	1972-01-21	1972-11-27
1973	1973-01-03	1973-12-29
1974	1974-01-02	1974-12-26
1975	1975-01-02	1975-12-10

Every Fixed Threshold

Fixed thresholds at Roper River Police
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	60	35	1975	35
25 mm (0.98 in): Days with 25 mm or more rain	60	18	1950	14
50 mm (1.97 in): Days with 50 mm or more rain	55	8	1944	4
100 mm (3.94 in): Days with 100 mm or more rain	14	3	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

Data for Roper River Police 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).

Roper River Police Threshold Days by Year (ASN00014620)

Key Facts for Roper River Police Thresholds

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

Every Fixed Threshold

Download the Data

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