Kualapuu 534 Threshold Days by Year

9 fixed thresholds counted per year at Kualapuu 534 (USC00514778): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kualapuu 534 Thresholds

Kualapuu 534: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1918 with 30.
Kualapuu 534: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1918 with 13.
Kualapuu 534: nights with a minimum temperature at or above 20 C (68 F) in 33 years, most in 1930 with 119.
Kualapuu 534: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 1911 with 129.
9 fixed thresholds have at least one qualifying day at Kualapuu 534.

Days at or above 30 C (86 F)

32 years with a qualifying day

Days per year at Kualapuu 534 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 1911.

Days at or above 30 C (86 F) per year at Kualapuu 534
Year	Days	Decade average
1907	12	12
1910	119	82.7
1911	129	82.7
1913	101	82.7
1914	94	82.7
1918	27	82.7
1919	26	82.7
1920	34	48.1
1921	31	48.1
1924	28	48.1
1925	24	48.1
1926	39	48.1
1928	111	48.1
1929	70	48.1
1930	58	46
1931	44	46
1932	49	46
1933	37	46
1934	79	46
1935	66	46
1936	40	46
1938	26	46
1939	15	46
1940	54	73.4
1941	69	73.4
1942	83	73.4
1944	63	73.4
1945	104	73.4
1946	74	73.4
1947	60	73.4
1948	75	73.4
1949	79	73.4

For each year, a bar from the first to the last day at Kualapuu 534 meeting 30 C (86 F).

First to last qualifying date each year at Kualapuu 534
Year	First date	Last date
1907	1907-07-11	1907-10-27
1910	1910-04-14	1910-12-11
1911	1911-04-12	1911-12-06
1913	1913-05-01	1913-11-28
1914	1914-04-15	1914-12-05
1918	1918-05-29	1918-10-28
1919	1919-06-09	1919-10-19
1920	1920-06-20	1920-12-12
1921	1921-06-03	1921-10-12
1924	1924-06-10	1924-12-08
1925	1925-02-25	1925-10-23
1926	1926-02-24	1926-12-18
1928	1928-03-20	1928-12-26
1929	1929-04-01	1929-12-09
1930	1930-02-01	1930-12-13
1931	1931-01-04	1931-10-31
1932	1932-01-09	1932-12-03
1933	1933-01-01	1933-12-18
1934	1934-01-18	1934-12-16
1935	1935-03-22	1935-12-12
1936	1936-01-04	1936-11-16
1938	1938-01-14	1938-11-07
1939	1939-07-24	1939-10-27
1940	1940-02-02	1940-11-23
1941	1941-04-18	1941-11-16
1942	1942-05-10	1942-12-30
1944	1944-01-23	1944-09-28
1945	1945-01-12	1945-11-30
1946	1946-01-03	1946-11-24
1947	1947-01-31	1947-11-23
1948	1948-02-23	1948-11-12
1949	1949-05-14	1949-11-01

Every Fixed Threshold

Fixed thresholds at Kualapuu 534
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	32	129	1911	79
90 F (32.2 C): Days	30	32	1911	2
20 C (68 F): Tropical nights (min	33	119	1930	20
25 C (77 F): Days with min	2	1	1930	1
10 mm (0.39 in): Days with 10 mm or more rain	36	30	1918	13
25 mm (0.98 in): Days with 25 mm or more rain	36	13	1918	6
50 mm (1.97 in): Days with 50 mm or more rain	31	5	1939	2
100 mm (3.94 in): Days with 100 mm or more rain	7	2	1929	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1929	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

Data for Kualapuu 534 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Kualapuu 534 Threshold Days by Year

Key Facts for Kualapuu 534 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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