Usina Matari (Iaa) Threshold Days by Year (BR038593750)
4 fixed thresholds counted per year at Usina Matari (Iaa) (BR038593750): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Usina Matari (Iaa) Thresholds
- Usina Matari (Iaa): days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1940 with 48.
- Usina Matari (Iaa): days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1940 with 24.
- Usina Matari (Iaa): days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1924 with 7.
- Usina Matari (Iaa): days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1938 with 2.
- 4 fixed thresholds have at least one qualifying day at Usina Matari (Iaa).
Days with 10 mm (0.39 in) or more of precipitation
31 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1924 | 47 | 34.5 |
| 1925 | 39 | 34.5 |
| 1926 | 30 | 34.5 |
| 1927 | 29 | 34.5 |
| 1928 | 28 | 34.5 |
| 1929 | 34 | 34.5 |
| 1930 | 31 | 35.6 |
| 1931 | 42 | 35.6 |
| 1932 | 33 | 35.6 |
| 1933 | 33 | 35.6 |
| 1934 | 39 | 35.6 |
| 1935 | 39 | 35.6 |
| 1936 | 31 | 35.6 |
| 1937 | 32 | 35.6 |
| 1938 | 35 | 35.6 |
| 1939 | 41 | 35.6 |
| 1940 | 48 | 36.1 |
| 1941 | 32 | 36.1 |
| 1942 | 38 | 36.1 |
| 1943 | 43 | 36.1 |
| 1944 | 32 | 36.1 |
| 1945 | 33 | 36.1 |
| 1946 | 33 | 36.1 |
| 1947 | 33 | 36.1 |
| 1948 | 34 | 36.1 |
| 1949 | 35 | 36.1 |
| 1950 | 36 | 31.4 |
| 1951 | 36 | 31.4 |
| 1952 | 27 | 31.4 |
| 1953 | 28 | 31.4 |
| 1954 | 30 | 31.4 |
| Year | First date | Last date |
|---|---|---|
| 1924 | 1924-02-06 | 1924-12-15 |
| 1925 | 1925-01-18 | 1925-11-21 |
| 1926 | 1926-01-30 | 1926-12-11 |
| 1927 | 1927-01-22 | 1927-08-28 |
| 1928 | 1928-01-07 | 1928-09-03 |
| 1929 | 1929-02-05 | 1929-12-10 |
| 1930 | 1930-01-03 | 1930-12-31 |
| 1931 | 1931-01-01 | 1931-12-02 |
| 1932 | 1932-01-19 | 1932-09-28 |
| 1933 | 1933-01-17 | 1933-12-27 |
| 1934 | 1934-02-10 | 1934-12-18 |
| 1935 | 1935-02-06 | 1935-10-07 |
| 1936 | 1936-01-01 | 1936-10-04 |
| 1937 | 1937-02-15 | 1937-12-01 |
| 1938 | 1938-01-06 | 1938-11-20 |
| 1939 | 1939-01-29 | 1939-12-06 |
| 1940 | 1940-01-06 | 1940-12-05 |
| 1941 | 1941-02-12 | 1941-11-17 |
| 1942 | 1942-02-01 | 1942-12-19 |
| 1943 | 1943-01-05 | 1943-11-22 |
| 1944 | 1944-03-05 | 1944-11-14 |
| 1945 | 1945-02-04 | 1945-10-19 |
| 1946 | 1946-01-04 | 1946-12-21 |
| 1947 | 1947-01-27 | 1947-12-22 |
| 1948 | 1948-02-08 | 1948-12-24 |
| 1949 | 1949-01-10 | 1949-11-27 |
| 1950 | 1950-01-19 | 1950-09-19 |
| 1951 | 1951-04-12 | 1951-12-28 |
| 1952 | 1952-01-14 | 1952-12-26 |
| 1953 | 1953-01-02 | 1953-11-27 |
| 1954 | 1954-01-04 | 1954-08-09 |
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 | 31 | 48 | 1940 | 30 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 31 | 24 | 1940 | 10 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 30 | 7 | 1924 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 7 | 2 | 1938 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.
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).