Napoopoo 28 Threshold Days by Year
8 fixed thresholds counted per year at Napoopoo 28 (USC00516697): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Napoopoo 28 Thresholds
- Napoopoo 28: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1915 with 44.
- Napoopoo 28: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1917 with 16.
- Napoopoo 28: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1938 with 211.
- Napoopoo 28: nights with a minimum temperature at or above 20 C (68 F) in 28 years, most in 1919 with 238.
- 8 fixed thresholds have at least one qualifying day at Napoopoo 28.
Days at or above 30 C (86 F)
31 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1919 | 19 | 19 |
| 1921 | 105 | 46.9 |
| 1922 | 60 | 46.9 |
| 1924 | 9 | 46.9 |
| 1925 | 39 | 46.9 |
| 1926 | 65 | 46.9 |
| 1927 | 20 | 46.9 |
| 1929 | 30 | 46.9 |
| 1930 | 65 | 60.8 |
| 1931 | 32 | 60.8 |
| 1932 | 19 | 60.8 |
| 1933 | 2 | 60.8 |
| 1934 | 49 | 60.8 |
| 1935 | 26 | 60.8 |
| 1936 | 82 | 60.8 |
| 1938 | 211 | 60.8 |
| 1940 | 102 | 57.4 |
| 1941 | 87 | 57.4 |
| 1943 | 51 | 57.4 |
| 1944 | 43 | 57.4 |
| 1946 | 58 | 57.4 |
| 1947 | 87 | 57.4 |
| 1948 | 28 | 57.4 |
| 1949 | 3 | 57.4 |
| 1950 | 23 | 10.3 |
| 1951 | 5 | 10.3 |
| 1952 | 10 | 10.3 |
| 1953 | 2 | 10.3 |
| 1954 | 23 | 10.3 |
| 1955 | 3 | 10.3 |
| 1956 | 6 | 10.3 |
| Year | First date | Last date |
|---|---|---|
| 1919 | 1919-04-06 | 1919-10-24 |
| 1921 | 1921-05-10 | 1921-10-22 |
| 1922 | 1922-03-20 | 1922-11-02 |
| 1924 | 1924-06-23 | 1924-10-17 |
| 1925 | 1925-06-06 | 1925-10-15 |
| 1926 | 1926-04-07 | 1926-11-07 |
| 1927 | 1927-02-17 | 1927-08-22 |
| 1929 | 1929-04-26 | 1929-09-18 |
| 1930 | 1930-03-23 | 1930-11-11 |
| 1931 | 1931-06-04 | 1931-09-20 |
| 1932 | 1932-05-02 | 1932-10-06 |
| 1933 | 1933-03-07 | 1933-08-05 |
| 1934 | 1934-04-25 | 1934-10-03 |
| 1935 | 1935-06-17 | 1935-09-26 |
| 1936 | 1936-05-01 | 1936-12-19 |
| 1938 | 1938-05-01 | 1938-12-31 |
| 1940 | 1940-02-04 | 1940-11-20 |
| 1941 | 1941-01-19 | 1941-12-26 |
| 1943 | 1943-01-29 | 1943-12-15 |
| 1944 | 1944-02-21 | 1944-11-23 |
| 1946 | 1946-01-02 | 1946-11-09 |
| 1947 | 1947-02-02 | 1947-11-14 |
| 1948 | 1948-01-17 | 1948-10-15 |
| 1949 | 1949-06-25 | 1949-08-06 |
| 1950 | 1950-08-15 | 1950-12-01 |
| 1951 | 1951-07-25 | 1951-10-31 |
| 1952 | 1952-07-18 | 1952-11-12 |
| 1953 | 1953-08-08 | 1953-08-15 |
| 1954 | 1954-03-29 | 1954-11-29 |
| 1955 | 1955-01-20 | 1955-11-10 |
| 1956 | 1956-08-01 | 1956-10-15 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 31 | 211 | 1938 | 6 |
| 90 F (32.2 C): Days | 7 | 99 | 1938 | 1 |
| 20 C (68 F): Tropical nights (min | 28 | 238 | 1919 | 12 |
| 25 C (77 F): Days with min | 7 | 16 | 1932 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 34 | 44 | 1915 | 27 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 34 | 16 | 1917 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 27 | 4 | 1914 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 5 | 2 | 1914 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1919.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).