Sonahatu Threshold Days by Year (IN004121000)
4 fixed thresholds counted per year at Sonahatu (IN004121000): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Sonahatu Thresholds
- Sonahatu: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1924 with 59.
- Sonahatu: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1923 with 36.
- Sonahatu: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1923 with 12.
- Sonahatu: days with 100 mm (3.94 in) or more of precipitation in 19 years, most in 1923 with 2.
- 4 fixed thresholds have at least one qualifying day at Sonahatu.
Days with 10 mm (0.39 in) or more of precipitation
40 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1919 | 33 | 33 |
| 1920 | 25 | 43.9 |
| 1922 | 36 | 43.9 |
| 1923 | 51 | 43.9 |
| 1924 | 59 | 43.9 |
| 1925 | 41 | 43.9 |
| 1926 | 52 | 43.9 |
| 1927 | 48 | 43.9 |
| 1928 | 33 | 43.9 |
| 1929 | 50 | 43.9 |
| 1930 | 40 | 39.5 |
| 1931 | 41 | 39.5 |
| 1932 | 42 | 39.5 |
| 1933 | 48 | 39.5 |
| 1934 | 28 | 39.5 |
| 1935 | 35 | 39.5 |
| 1936 | 41 | 39.5 |
| 1937 | 45 | 39.5 |
| 1938 | 39 | 39.5 |
| 1939 | 36 | 39.5 |
| 1940 | 34 | 41 |
| 1941 | 38 | 41 |
| 1942 | 43 | 41 |
| 1943 | 42 | 41 |
| 1947 | 37 | 41 |
| 1948 | 47 | 41 |
| 1949 | 46 | 41 |
| 1950 | 31 | 37.8 |
| 1951 | 34 | 37.8 |
| 1952 | 34 | 37.8 |
| 1959 | 52 | 37.8 |
| 1960 | 43 | 32.9 |
| 1961 | 35 | 32.9 |
| 1962 | 31 | 32.9 |
| 1963 | 36 | 32.9 |
| 1965 | 35 | 32.9 |
| 1966 | 29 | 32.9 |
| 1967 | 29 | 32.9 |
| 1969 | 25 | 32.9 |
| 1970 | 36 | 36 |
| Year | First date | Last date |
|---|---|---|
| 1919 | 1919-01-28 | 1919-09-17 |
| 1920 | 1920-03-05 | 1920-08-19 |
| 1922 | 1922-04-09 | 1922-10-03 |
| 1923 | 1923-02-13 | 1923-09-29 |
| 1924 | 1924-01-22 | 1924-11-20 |
| 1925 | 1925-02-11 | 1925-10-15 |
| 1926 | 1926-01-09 | 1926-12-18 |
| 1927 | 1927-01-13 | 1927-10-06 |
| 1928 | 1928-01-29 | 1928-10-09 |
| 1929 | 1929-01-19 | 1929-12-25 |
| 1930 | 1930-06-14 | 1930-11-19 |
| 1931 | 1931-02-11 | 1931-10-13 |
| 1932 | 1932-02-20 | 1932-11-05 |
| 1933 | 1933-01-21 | 1933-10-03 |
| 1934 | 1934-02-18 | 1934-12-28 |
| 1935 | 1935-01-03 | 1935-09-18 |
| 1936 | 1936-01-31 | 1936-10-29 |
| 1937 | 1937-02-13 | 1937-10-03 |
| 1938 | 1938-01-09 | 1938-09-19 |
| 1939 | 1939-02-24 | 1939-10-24 |
| 1940 | 1940-02-10 | 1940-12-22 |
| 1941 | 1941-01-19 | 1941-11-18 |
| 1942 | 1942-02-19 | 1942-10-08 |
| 1943 | 1943-01-11 | 1943-10-19 |
| 1947 | 1947-01-29 | 1947-10-08 |
| 1948 | 1948-01-05 | 1948-11-08 |
| 1949 | 1949-03-05 | 1949-10-16 |
| 1950 | 1950-04-12 | 1950-10-13 |
| 1951 | 1951-03-26 | 1951-10-03 |
| 1952 | 1952-03-03 | 1952-09-17 |
| 1959 | 1959-01-30 | 1959-10-22 |
| 1960 | 1960-01-05 | 1960-10-13 |
| 1961 | 1961-02-07 | 1961-10-31 |
| 1962 | 1962-02-08 | 1962-12-09 |
| 1963 | 1963-05-10 | 1963-10-25 |
| 1965 | 1965-03-30 | 1965-10-20 |
| 1966 | 1966-01-04 | 1966-12-01 |
| 1967 | 1967-03-24 | 1967-08-31 |
| 1969 | 1969-01-14 | 1969-11-13 |
| 1970 | 1970-01-26 | 1970-09-29 |
Every Fixed Threshold
| 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 | 40 | 59 | 1924 | 36 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 40 | 36 | 1923 | 14 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 36 | 12 | 1923 | 8 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 19 | 2 | 1923 | 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).