Protem Threshold Days by Year (SF000081360)

4 fixed thresholds counted per year at Protem (SF000081360): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Protem Thresholds

Protem: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1957 with 22.
Protem: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1931 with 6.
Protem: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1962 with 2.
Protem: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1962 with 1.
4 fixed thresholds have at least one qualifying day at Protem.

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

56 years with a qualifying day

Days per year at Protem with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1957.

Days with 10 mm (0.39 in) or more of precipitation per year at Protem
Year	Days	Decade average
1924	6	7
1925	9	7
1928	6	7
1930	15	12.5
1931	20	12.5
1932	13	12.5
1933	10	12.5
1934	16	12.5
1935	8	12.5
1936	7	12.5
1937	11	12.5
1938	16	12.5
1939	9	12.5
1940	13	10.8
1941	14	10.8
1942	10	10.8
1943	11	10.8
1944	12	10.8
1945	11	10.8
1946	7	10.8
1947	13	10.8
1948	9	10.8
1949	8	10.8
1950	7	14.1
1951	11	14.1
1952	15	14.1
1953	19	14.1
1954	11	14.1
1955	11	14.1
1956	11	14.1
1957	22	14.1
1958	12	14.1
1959	22	14.1
1960	10	11.7
1961	11	11.7
1962	17	11.7
1963	11	11.7
1964	15	11.7
1965	15	11.7
1966	8	11.7
1967	16	11.7
1968	9	11.7
1969	5	11.7
1970	9	11.1
1971	15	11.1
1972	11	11.1
1973	2	11.1
1974	13	11.1
1975	5	11.1
1976	19	11.1
1977	15	11.1
1980	9	10.4
1981	18	10.4
1982	12	10.4
1987	3	10.4
1988	10	10.4

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

First to last qualifying date each year at Protem
Year	First date	Last date
1924	1924-02-25	1924-11-15
1925	1925-01-12	1925-09-20
1928	1928-02-27	1928-11-20
1930	1930-01-26	1930-11-29
1931	1931-01-13	1931-12-31
1932	1932-02-11	1932-12-07
1933	1933-02-27	1933-12-19
1934	1934-01-12	1934-11-18
1935	1935-04-21	1935-12-15
1936	1936-06-26	1936-12-05
1937	1937-03-22	1937-12-31
1938	1938-01-21	1938-12-31
1939	1939-01-29	1939-12-23
1940	1940-02-09	1940-11-10
1941	1941-01-06	1941-10-30
1942	1942-01-27	1942-12-22
1943	1943-01-21	1943-10-11
1944	1944-05-12	1944-10-22
1945	1945-04-27	1945-10-14
1946	1946-03-10	1946-10-09
1947	1947-03-06	1947-11-09
1948	1948-03-02	1948-12-21
1949	1949-04-24	1949-11-28
1950	1950-05-16	1950-11-29
1951	1951-01-12	1951-10-13
1952	1952-02-27	1952-11-17
1953	1953-02-22	1953-12-20
1954	1954-02-10	1954-08-27
1955	1955-01-26	1955-10-31
1956	1956-03-16	1956-10-31
1957	1957-02-20	1957-10-02
1958	1958-03-20	1958-10-21
1959	1959-01-11	1959-10-30
1960	1960-01-04	1960-12-19
1961	1961-01-16	1961-10-07
1962	1962-01-18	1962-11-16
1963	1963-01-16	1963-12-10
1964	1964-01-31	1964-11-06
1965	1965-02-17	1965-12-16
1966	1966-01-31	1966-08-28
1967	1967-03-17	1967-11-22
1968	1968-03-24	1968-11-13
1969	1969-01-20	1969-06-16
1970	1970-02-02	1970-12-06
1971	1971-02-15	1971-12-11
1972	1972-01-09	1972-11-02
1973	1973-06-13	1973-06-30
1974	1974-02-04	1974-11-25
1975	1975-01-31	1975-11-13
1976	1976-03-05	1976-12-30
1977	1977-02-11	1977-12-30
1980	1980-01-21	1980-12-01
1981	1981-01-23	1981-12-14
1982	1982-02-17	1982-12-22
1987	1987-04-14	1987-08-12
1988	1988-02-23	1988-12-19

Every Fixed Threshold

Fixed thresholds at Protem
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	56	22	1957	10
25 mm (0.98 in): Days with 25 mm or more rain	52	6	1931	1
50 mm (1.97 in): Days with 50 mm or more rain	15	2	1962	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1962	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

Data for Protem 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).

Protem Threshold Days by Year (SF000081360)

Key Facts for Protem Thresholds

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

Every Fixed Threshold

Download the Data

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