Macorna Threshold Days by Year

4 fixed thresholds counted per year at Macorna (ASN00080033): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Macorna Thresholds

Macorna: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1956 with 19.
Macorna: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1949 with 6.
Macorna: days with 50 mm (1.97 in) or more of precipitation in 11 years, most in 1911 with 1.
Macorna: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1959 with 1.
4 fixed thresholds have at least one qualifying day at Macorna.

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

58 years with a qualifying day

Days per year at Macorna with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1956.

Days with 10 mm (0.39 in) or more of precipitation per year at Macorna
Year	Days	Decade average
1908	8	8.5
1909	9	8.5
1910	12	10.8
1911	12	10.8
1912	10	10.8
1913	10	10.8
1914	7	10.8
1915	9	10.8
1916	12	10.8
1917	17	10.8
1918	7	10.8
1919	12	10.8
1920	11	9.3
1921	18	9.3
1922	6	9.3
1923	9	9.3
1924	11	9.3
1925	7	9.3
1926	4	9.3
1927	3	9.3
1928	15	9.3
1929	9	9.3
1930	7	9.6
1931	12	9.6
1932	17	9.6
1933	10	9.6
1934	10	9.6
1935	10	9.6
1936	13	9.6
1937	5	9.6
1938	4	9.6
1939	8	9.6
1940	3	6.9
1941	8	6.9
1942	9	6.9
1943	2	6.9
1944	2	6.9
1945	11	6.9
1946	9	6.9
1947	9	6.9
1948	7	6.9
1949	9	6.9
1950	10	10.8
1951	12	10.8
1952	9	10.8
1953	6	10.8
1954	10	10.8
1955	14	10.8
1956	19	10.8
1957	6	10.8
1958	10	10.8
1959	12	10.8
1960	14	11.5
1961	13	11.5
1962	8	11.5
1963	9	11.5
1964	14	11.5
1965	11	11.5

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

First to last qualifying date each year at Macorna
Year	First date	Last date
1908	1908-03-09	1908-12-22
1909	1909-01-04	1909-08-29
1910	1910-02-24	1910-11-05
1911	1911-02-07	1911-12-01
1912	1912-02-25	1912-12-26
1913	1913-02-14	1913-10-28
1914	1914-04-21	1914-12-24
1915	1915-04-11	1915-10-23
1916	1916-01-29	1916-12-09
1917	1917-01-23	1917-11-15
1918	1918-03-05	1918-05-16
1919	1919-02-10	1919-12-28
1920	1920-05-11	1920-11-15
1921	1921-01-02	1921-12-02
1922	1922-05-04	1922-09-30
1923	1923-06-04	1923-12-18
1924	1924-01-03	1924-12-14
1925	1925-01-13	1925-09-12
1926	1926-03-21	1926-12-17
1927	1927-07-03	1927-08-09
1928	1928-01-17	1928-10-15
1929	1929-02-22	1929-12-28
1930	1930-03-12	1930-12-25
1931	1931-03-20	1931-11-16
1932	1932-02-09	1932-12-16
1933	1933-03-05	1933-12-03
1934	1934-02-18	1934-11-08
1935	1935-01-05	1935-12-25
1936	1936-01-07	1936-12-17
1937	1937-01-19	1937-10-16
1938	1938-01-15	1938-07-25
1939	1939-02-17	1939-11-16
1940	1940-07-10	1940-09-27
1941	1941-01-04	1941-11-05
1942	1942-01-20	1942-11-22
1943	1943-07-29	1943-11-18
1944	1944-04-09	1944-05-22
1945	1945-01-15	1945-11-11
1946	1946-01-17	1946-10-14
1947	1947-02-07	1947-12-21
1948	1948-05-05	1948-12-28
1949	1949-02-28	1949-11-21
1950	1950-02-17	1950-11-26
1951	1951-01-07	1951-08-03
1952	1952-04-25	1952-11-26
1953	1953-01-29	1953-10-21
1954	1954-01-17	1954-12-12
1955	1955-02-11	1955-10-21
1956	1956-01-19	1956-11-16
1957	1957-02-07	1957-07-11
1958	1958-02-19	1958-11-29
1959	1959-01-26	1959-12-25
1960	1960-01-09	1960-11-22
1961	1961-01-01	1961-12-16
1962	1962-01-17	1962-12-30
1963	1963-01-03	1963-12-05
1964	1964-02-07	1964-11-19
1965	1965-05-10	1965-12-02

Every Fixed Threshold

Fixed thresholds at Macorna
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	58	19	1956	11
25 mm (0.98 in): Days with 25 mm or more rain	43	6	1949	1
50 mm (1.97 in): Days with 50 mm or more rain	11	1	1911	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for Macorna 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Macorna Threshold Days by Year

Key Facts for Macorna Thresholds

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

Every Fixed Threshold

Download the Data

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