Passo Viola Threshold Days by Year (BR002854006)
4 fixed thresholds counted per year at Passo Viola (BR002854006): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Passo Viola Thresholds
- Passo Viola: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1973 with 94.
- Passo Viola: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1972 with 50.
- Passo Viola: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1972 with 19.
- Passo Viola: days with 100 mm (3.94 in) or more of precipitation in 18 years, most in 1983 with 3.
- 4 fixed thresholds have at least one qualifying day at Passo Viola.
Days with 10 mm (0.39 in) or more of precipitation
35 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1960 | 47 | 48.4 |
| 1961 | 55 | 48.4 |
| 1962 | 39 | 48.4 |
| 1963 | 59 | 48.4 |
| 1964 | 36 | 48.4 |
| 1965 | 69 | 48.4 |
| 1969 | 34 | 48.4 |
| 1970 | 32 | 56.9 |
| 1971 | 48 | 56.9 |
| 1972 | 86 | 56.9 |
| 1973 | 94 | 56.9 |
| 1974 | 51 | 56.9 |
| 1975 | 60 | 56.9 |
| 1976 | 57 | 56.9 |
| 1977 | 46 | 56.9 |
| 1978 | 42 | 56.9 |
| 1979 | 53 | 56.9 |
| 1980 | 45 | 53.3 |
| 1981 | 34 | 53.3 |
| 1982 | 53 | 53.3 |
| 1983 | 66 | 53.3 |
| 1984 | 68 | 53.3 |
| 1985 | 51 | 53.3 |
| 1986 | 64 | 53.3 |
| 1987 | 58 | 53.3 |
| 1988 | 40 | 53.3 |
| 1989 | 54 | 53.3 |
| 1990 | 65 | 52 |
| 1991 | 38 | 52 |
| 1992 | 57 | 52 |
| 1993 | 53 | 52 |
| 1994 | 60 | 52 |
| 1995 | 42 | 52 |
| 1996 | 54 | 52 |
| 1997 | 47 | 52 |
| Year | First date | Last date |
|---|---|---|
| 1960 | 1960-01-06 | 1960-12-28 |
| 1961 | 1961-01-01 | 1961-12-24 |
| 1962 | 1962-01-02 | 1962-12-03 |
| 1963 | 1963-01-07 | 1963-12-31 |
| 1964 | 1964-01-31 | 1964-12-29 |
| 1965 | 1965-01-15 | 1965-12-27 |
| 1969 | 1969-01-01 | 1969-12-31 |
| 1970 | 1970-02-03 | 1970-12-18 |
| 1971 | 1971-01-16 | 1971-12-31 |
| 1972 | 1972-01-01 | 1972-12-28 |
| 1973 | 1973-01-02 | 1973-12-31 |
| 1974 | 1974-01-08 | 1974-12-22 |
| 1975 | 1975-01-10 | 1975-12-27 |
| 1976 | 1976-01-01 | 1976-12-15 |
| 1977 | 1977-01-01 | 1977-12-07 |
| 1978 | 1978-01-11 | 1978-12-24 |
| 1979 | 1979-02-17 | 1979-12-31 |
| 1980 | 1980-01-20 | 1980-12-28 |
| 1981 | 1981-01-07 | 1981-12-23 |
| 1982 | 1982-02-03 | 1982-12-30 |
| 1983 | 1983-01-01 | 1983-12-20 |
| 1984 | 1984-01-01 | 1984-12-30 |
| 1985 | 1985-01-08 | 1985-12-13 |
| 1986 | 1986-01-13 | 1986-12-17 |
| 1987 | 1987-01-07 | 1987-12-16 |
| 1988 | 1988-01-13 | 1988-12-26 |
| 1989 | 1989-01-14 | 1989-12-30 |
| 1990 | 1990-01-13 | 1990-12-18 |
| 1991 | 1991-01-24 | 1991-12-26 |
| 1992 | 1992-01-02 | 1992-12-05 |
| 1993 | 1993-01-05 | 1993-12-29 |
| 1994 | 1994-01-07 | 1994-12-27 |
| 1995 | 1995-01-03 | 1995-12-25 |
| 1996 | 1996-01-06 | 1996-12-27 |
| 1997 | 1997-01-05 | 1997-12-31 |
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 | 35 | 94 | 1973 | 47 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 35 | 50 | 1972 | 31 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 35 | 19 | 1972 | 17 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 18 | 3 | 1983 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.
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).