Kohala 179.1 Threshold Days by Year
8 fixed thresholds counted per year at Kohala 179.1 (USC00514670): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Kohala 179.1 Thresholds
- Kohala 179.1: nights with a minimum temperature at or above 20 C (68 F) in 38 years, most in 1930 with 221.
- Kohala 179.1: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 1921 with 81.
- Kohala 179.1: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1936 with 79.
- Kohala 179.1: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1923 with 22.
- 8 fixed thresholds have at least one qualifying day at Kohala 179.1.
Days at or above 30 C (86 F)
29 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1907 | 11 | 11 |
| 1910 | 2 | 4.9 |
| 1911 | 1 | 4.9 |
| 1912 | 4 | 4.9 |
| 1914 | 1 | 4.9 |
| 1915 | 8 | 4.9 |
| 1917 | 12 | 4.9 |
| 1919 | 6 | 4.9 |
| 1920 | 9 | 22.1 |
| 1921 | 81 | 22.1 |
| 1922 | 5 | 22.1 |
| 1925 | 2 | 22.1 |
| 1926 | 14 | 22.1 |
| 1927 | 7 | 22.1 |
| 1929 | 37 | 22.1 |
| 1930 | 6 | 18.6 |
| 1931 | 29 | 18.6 |
| 1933 | 2 | 18.6 |
| 1934 | 73 | 18.6 |
| 1936 | 2 | 18.6 |
| 1938 | 4 | 18.6 |
| 1939 | 14 | 18.6 |
| 1940 | 16 | 5.6 |
| 1941 | 11 | 5.6 |
| 1943 | 3 | 5.6 |
| 1944 | 1 | 5.6 |
| 1945 | 3 | 5.6 |
| 1946 | 1 | 5.6 |
| 1947 | 4 | 5.6 |
| Year | First date | Last date |
|---|---|---|
| 1907 | 1907-01-30 | 1907-11-10 |
| 1910 | 1910-09-16 | 1910-10-28 |
| 1911 | 1911-07-27 | 1911-07-27 |
| 1912 | 1912-02-18 | 1912-08-05 |
| 1914 | 1914-11-13 | 1914-11-13 |
| 1915 | 1915-05-24 | 1915-09-20 |
| 1917 | 1917-07-09 | 1917-11-16 |
| 1919 | 1919-07-20 | 1919-12-10 |
| 1920 | 1920-01-14 | 1920-08-23 |
| 1921 | 1921-05-27 | 1921-10-11 |
| 1922 | 1922-06-30 | 1922-09-24 |
| 1925 | 1925-12-18 | 1925-12-22 |
| 1926 | 1926-06-23 | 1926-12-02 |
| 1927 | 1927-09-19 | 1927-11-13 |
| 1929 | 1929-05-04 | 1929-11-05 |
| 1930 | 1930-08-31 | 1930-10-05 |
| 1931 | 1931-03-13 | 1931-10-10 |
| 1933 | 1933-09-01 | 1933-10-07 |
| 1934 | 1934-02-15 | 1934-10-18 |
| 1936 | 1936-01-01 | 1936-10-15 |
| 1938 | 1938-01-01 | 1938-09-30 |
| 1939 | 1939-03-08 | 1939-10-28 |
| 1940 | 1940-03-26 | 1940-11-09 |
| 1941 | 1941-08-08 | 1941-11-05 |
| 1943 | 1943-05-23 | 1943-12-07 |
| 1944 | 1944-01-16 | 1944-01-16 |
| 1945 | 1945-02-06 | 1945-12-08 |
| 1946 | 1946-10-13 | 1946-10-13 |
| 1947 | 1947-09-19 | 1947-09-26 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 29 | 81 | 1921 | 4 |
| 90 F (32.2 C): Days | 3 | 25 | 1934 | 1 |
| 20 C (68 F): Tropical nights (min | 38 | 221 | 1930 | 115 |
| 25 C (77 F): Days with min | 2 | 1 | 1919 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 28 | 79 | 1936 | 24 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 28 | 22 | 1923 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 25 | 6 | 1923 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 2 | 1927 | 2 |
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
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 . Last revised (2025-12-31).