Graca Threshold Days by Year (BR027881520)
4 fixed thresholds counted per year at Graca (BR027881520): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Graca Thresholds
- Graca: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1974 with 107.
- Graca: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1961 with 42.
- Graca: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1961 with 23.
- Graca: days with 100 mm (3.94 in) or more of precipitation in 16 years, most in 1965 with 6.
- 4 fixed thresholds have at least one qualifying day at Graca.
Days with 10 mm (0.39 in) or more of precipitation
48 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1933 | 9 | 33.6 |
| 1934 | 50 | 33.6 |
| 1935 | 44 | 33.6 |
| 1936 | 20 | 33.6 |
| 1937 | 36 | 33.6 |
| 1938 | 35 | 33.6 |
| 1939 | 41 | 33.6 |
| 1940 | 50 | 43.1 |
| 1941 | 20 | 43.1 |
| 1942 | 19 | 43.1 |
| 1943 | 29 | 43.1 |
| 1944 | 33 | 43.1 |
| 1945 | 59 | 43.1 |
| 1946 | 52 | 43.1 |
| 1947 | 71 | 43.1 |
| 1948 | 45 | 43.1 |
| 1949 | 53 | 43.1 |
| 1950 | 40 | 42.5 |
| 1952 | 48 | 42.5 |
| 1953 | 24 | 42.5 |
| 1954 | 40 | 42.5 |
| 1955 | 50 | 42.5 |
| 1956 | 33 | 42.5 |
| 1957 | 47 | 42.5 |
| 1959 | 58 | 42.5 |
| 1960 | 43 | 56.3 |
| 1961 | 80 | 56.3 |
| 1962 | 36 | 56.3 |
| 1963 | 49 | 56.3 |
| 1964 | 75 | 56.3 |
| 1965 | 53 | 56.3 |
| 1966 | 27 | 56.3 |
| 1967 | 69 | 56.3 |
| 1968 | 61 | 56.3 |
| 1969 | 70 | 56.3 |
| 1970 | 24 | 59.1 |
| 1971 | 71 | 59.1 |
| 1972 | 43 | 59.1 |
| 1973 | 87 | 59.1 |
| 1974 | 107 | 59.1 |
| 1975 | 88 | 59.1 |
| 1976 | 52 | 59.1 |
| 1978 | 35 | 59.1 |
| 1979 | 25 | 59.1 |
| 1980 | 34 | 24.3 |
| 1981 | 21 | 24.3 |
| 1982 | 26 | 24.3 |
| 1983 | 16 | 24.3 |
| Year | First date | Last date |
|---|---|---|
| 1933 | 1933-04-21 | 1933-12-31 |
| 1934 | 1934-01-02 | 1934-12-23 |
| 1935 | 1935-01-13 | 1935-06-30 |
| 1936 | 1936-01-01 | 1936-05-22 |
| 1937 | 1937-01-25 | 1937-06-20 |
| 1938 | 1938-01-07 | 1938-07-09 |
| 1939 | 1939-01-05 | 1939-06-02 |
| 1940 | 1940-01-05 | 1940-06-26 |
| 1941 | 1941-02-13 | 1941-05-12 |
| 1942 | 1942-01-10 | 1942-12-10 |
| 1943 | 1943-01-25 | 1943-07-09 |
| 1944 | 1944-01-24 | 1944-12-31 |
| 1945 | 1945-01-03 | 1945-12-11 |
| 1946 | 1946-01-01 | 1946-12-30 |
| 1947 | 1947-01-06 | 1947-12-27 |
| 1948 | 1948-01-12 | 1948-12-22 |
| 1949 | 1949-01-05 | 1949-11-30 |
| 1950 | 1950-02-15 | 1950-12-27 |
| 1952 | 1952-01-12 | 1952-12-13 |
| 1953 | 1953-01-15 | 1953-12-24 |
| 1954 | 1954-02-01 | 1954-12-30 |
| 1955 | 1955-01-22 | 1955-11-15 |
| 1956 | 1956-01-03 | 1956-06-20 |
| 1957 | 1957-01-12 | 1957-12-07 |
| 1959 | 1959-01-06 | 1959-08-11 |
| 1960 | 1960-01-05 | 1960-12-13 |
| 1961 | 1961-01-01 | 1961-12-15 |
| 1962 | 1962-01-17 | 1962-12-25 |
| 1963 | 1963-01-12 | 1963-12-28 |
| 1964 | 1964-01-02 | 1964-08-03 |
| 1965 | 1965-01-09 | 1965-12-19 |
| 1966 | 1966-02-06 | 1966-12-18 |
| 1967 | 1967-01-05 | 1967-12-28 |
| 1968 | 1968-01-19 | 1968-12-28 |
| 1969 | 1969-01-21 | 1969-08-11 |
| 1970 | 1970-01-23 | 1970-05-06 |
| 1971 | 1971-01-11 | 1971-11-11 |
| 1972 | 1972-01-20 | 1972-12-22 |
| 1973 | 1973-01-01 | 1973-12-24 |
| 1974 | 1974-01-11 | 1974-12-29 |
| 1975 | 1975-01-02 | 1975-12-28 |
| 1976 | 1976-01-03 | 1976-12-21 |
| 1978 | 1978-01-07 | 1978-12-01 |
| 1979 | 1979-01-07 | 1979-05-18 |
| 1980 | 1980-01-05 | 1980-12-30 |
| 1981 | 1981-01-26 | 1981-12-24 |
| 1982 | 1982-01-08 | 1982-05-09 |
| 1983 | 1983-02-04 | 1983-05-11 |
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 | 48 | 107 | 1974 | 16 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 47 | 42 | 1961 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 47 | 23 | 1961 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 16 | 6 | 1965 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.
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).