Rena Threshold Days by Year (NOE00109710)

3 fixed thresholds counted per year at Rena (NOE00109710): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rena Thresholds

Rena: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1927 with 33.
Rena: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1912 with 7.
Rena: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1902 with 1.
3 fixed thresholds have at least one qualifying day at Rena.

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

48 years with a qualifying day

Days per year at Rena with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1927.

Days with 10 mm (0.39 in) or more of precipitation per year at Rena
Year	Days	Decade average
1901	18	19.2
1902	11	19.2
1903	25	19.2
1904	13	19.2
1905	17	19.2
1906	21	19.2
1907	20	19.2
1908	20	19.2
1909	28	19.2
1910	30	20.2
1911	16	20.2
1912	25	20.2
1913	13	20.2
1914	16	20.2
1915	20	20.2
1916	29	20.2
1917	15	20.2
1918	23	20.2
1919	15	20.2
1920	27	22.9
1921	11	22.9
1922	10	22.9
1923	12	22.9
1924	28	22.9
1925	24	22.9
1926	27	22.9
1927	33	22.9
1928	28	22.9
1929	29	22.9
1930	30	24.1
1931	18	24.1
1932	22	24.1
1933	11	24.1
1934	28	24.1
1935	30	24.1
1936	21	24.1
1937	27	24.1
1938	33	24.1
1939	21	24.1
1940	18	21
1941	19	21
1942	25	21
1943	18	21
1944	29	21
1945	15	21
1946	23	21
1957	25	21
1958	17	21

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

First to last qualifying date each year at Rena
Year	First date	Last date
1901	1901-02-25	1901-12-28
1902	1902-03-23	1902-10-15
1903	1903-01-02	1903-12-10
1904	1904-02-12	1904-12-03
1905	1905-03-10	1905-11-05
1906	1906-02-25	1906-11-15
1907	1907-01-27	1907-12-04
1908	1908-02-26	1908-12-14
1909	1909-03-14	1909-12-04
1910	1910-02-19	1910-12-20
1911	1911-02-27	1911-12-16
1912	1912-03-22	1912-12-28
1913	1913-01-04	1913-12-23
1914	1914-02-18	1914-12-27
1915	1915-01-01	1915-11-29
1916	1916-01-01	1916-12-13
1917	1917-06-27	1917-12-01
1918	1918-01-15	1918-11-08
1919	1919-01-03	1919-12-31
1920	1920-01-30	1920-09-19
1921	1921-01-04	1921-12-30
1922	1922-03-19	1922-12-31
1923	1923-03-02	1923-11-18
1924	1924-01-09	1924-12-27
1925	1925-01-01	1925-12-23
1926	1926-01-07	1926-11-30
1927	1927-01-13	1927-11-09
1928	1928-01-24	1928-12-26
1929	1929-02-21	1929-12-29
1930	1930-01-11	1930-12-30
1931	1931-01-23	1931-12-06
1932	1932-03-06	1932-12-02
1933	1933-02-20	1933-10-27
1934	1934-01-12	1934-12-17
1935	1935-01-24	1935-12-28
1936	1936-01-02	1936-12-14
1937	1937-01-23	1937-12-13
1938	1938-01-13	1938-12-21
1939	1939-01-12	1939-12-04
1940	1940-03-27	1940-12-05
1941	1941-06-11	1941-12-14
1942	1942-05-19	1942-12-07
1943	1943-01-15	1943-12-18
1944	1944-01-13	1944-12-17
1945	1945-02-07	1945-12-18
1946	1946-02-07	1946-12-08
1957	1957-05-10	1957-11-04
1958	1958-02-11	1958-12-20

Every Fixed Threshold

Fixed thresholds at Rena
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	48	33	1927	17
25 mm (0.98 in): Days with 25 mm or more rain	40	7	1912	2
50 mm (1.97 in): Days with 50 mm or more rain	5	1	1902	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

Data for Rena 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).

Rena Threshold Days by Year (NOE00109710)

Key Facts for Rena Thresholds

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

Every Fixed Threshold

Download the Data

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