Koloa 936 Threshold Days by Year

8 fixed thresholds counted per year at Koloa 936 (USC00514742): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Koloa 936 Thresholds

Koloa 936: nights with a minimum temperature at or above 20 C (68 F) in 45 years, most in 1948 with 218.
Koloa 936: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1916 with 66.
Koloa 936: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1927 with 22.
Koloa 936: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1927 with 8.
8 fixed thresholds have at least one qualifying day at Koloa 936.

Days at or above 30 C (86 F)

39 years with a qualifying day

Days per year at Koloa 936 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 1941.

Days at or above 30 C (86 F) per year at Koloa 936
Year	Days	Decade average
1905	9	8.6
1906	21	8.6
1907	10	8.6
1908	1	8.6
1909	2	8.6
1910	6	11.9
1911	14	11.9
1912	14	11.9
1913	31	11.9
1914	1	11.9
1915	9	11.9
1919	8	11.9
1920	1	6.2
1921	4	6.2
1922	2	6.2
1923	10	6.2
1925	5	6.2
1926	15	6.2
1927	7	6.2
1928	1	6.2
1929	11	6.2
1930	7	11
1931	3	11
1932	3	11
1933	3	11
1934	30	11
1935	19	11
1936	15	11
1937	9	11
1938	14	11
1939	7	11
1940	25	31.6
1941	54	31.6
1942	47	31.6
1943	30	31.6
1944	22	31.6
1945	52	31.6
1946	19	31.6
1947	4	31.6

For each year, a bar from the first to the last day at Koloa 936 meeting 30 C (86 F).

First to last qualifying date each year at Koloa 936
Year	First date	Last date
1905	1905-07-14	1905-11-04
1906	1906-06-26	1906-11-07
1907	1907-06-21	1907-10-14
1908	1908-08-29	1908-08-29
1909	1909-09-06	1909-10-10
1910	1910-09-08	1910-09-18
1911	1911-08-06	1911-11-24
1912	1912-01-11	1912-10-04
1913	1913-08-01	1913-10-29
1914	1914-09-08	1914-09-08
1915	1915-05-25	1915-09-19
1919	1919-08-10	1919-10-11
1920	1920-08-25	1920-08-25
1921	1921-05-30	1921-08-17
1922	1922-09-13	1922-09-14
1923	1923-08-23	1923-10-13
1925	1925-07-18	1925-10-16
1926	1926-06-28	1926-10-22
1927	1927-07-14	1927-10-18
1928	1928-08-29	1928-08-29
1929	1929-07-04	1929-09-23
1930	1930-09-02	1930-10-13
1931	1931-06-08	1931-06-11
1932	1932-09-30	1932-10-07
1933	1933-03-19	1933-10-25
1934	1934-07-02	1934-11-05
1935	1935-06-12	1935-12-08
1936	1936-01-08	1936-10-31
1937	1937-06-22	1937-11-01
1938	1938-08-23	1938-11-07
1939	1939-03-04	1939-09-26
1940	1940-05-09	1940-10-22
1941	1941-04-15	1941-11-17
1942	1942-07-18	1942-10-26
1943	1943-06-10	1943-11-08
1944	1944-08-17	1944-10-25
1945	1945-06-01	1945-11-12
1946	1946-02-12	1946-10-21
1947	1947-05-16	1947-10-12

Every Fixed Threshold

Fixed thresholds at Koloa 936
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	39	54	1941	4
20 C (68 F): Tropical nights (min	45	218	1948	168
25 C (77 F): Days with min	3	1	1918	1
10 mm (0.39 in): Days with 10 mm or more rain	45	66	1916	37
25 mm (0.98 in): Days with 25 mm or more rain	45	22	1927	11
50 mm (1.97 in): Days with 50 mm or more rain	42	8	1927	7
100 mm (3.94 in): Days with 100 mm or more rain	24	3	1907	1
200 mm (7.87 in): Days with 200 mm or more rain	4	1	1907	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Koloa 936 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Koloa 936 Threshold Days by Year

Key Facts for Koloa 936 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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