Itanhi Threshold Days by Year (BR001137027)
4 fixed thresholds counted per year at Itanhi (BR001137027): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Itanhi Thresholds
- Itanhi: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1968 with 88.
- Itanhi: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1989 with 36.
- Itanhi: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1989 with 17.
- Itanhi: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1989 with 4.
- 4 fixed thresholds have at least one qualifying day at Itanhi.
Days with 10 mm (0.39 in) or more of precipitation
32 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1966 | 66 | 70.8 |
| 1967 | 63 | 70.8 |
| 1968 | 88 | 70.8 |
| 1969 | 66 | 70.8 |
| 1970 | 52 | 54.8 |
| 1972 | 55 | 54.8 |
| 1973 | 57 | 54.8 |
| 1974 | 70 | 54.8 |
| 1975 | 74 | 54.8 |
| 1976 | 45 | 54.8 |
| 1977 | 51 | 54.8 |
| 1978 | 46 | 54.8 |
| 1979 | 43 | 54.8 |
| 1980 | 54 | 54.6 |
| 1981 | 35 | 54.6 |
| 1982 | 54 | 54.6 |
| 1983 | 30 | 54.6 |
| 1984 | 50 | 54.6 |
| 1985 | 72 | 54.6 |
| 1986 | 67 | 54.6 |
| 1987 | 33 | 54.6 |
| 1988 | 69 | 54.6 |
| 1989 | 82 | 54.6 |
| 1990 | 39 | 43.1 |
| 1991 | 41 | 43.1 |
| 1992 | 47 | 43.1 |
| 1993 | 35 | 43.1 |
| 1995 | 32 | 43.1 |
| 1996 | 50 | 43.1 |
| 1997 | 50 | 43.1 |
| 1998 | 42 | 43.1 |
| 1999 | 52 | 43.1 |
| Year | First date | Last date |
|---|---|---|
| 1966 | 1966-01-31 | 1966-12-19 |
| 1967 | 1967-02-18 | 1967-12-29 |
| 1968 | 1968-01-23 | 1968-12-12 |
| 1969 | 1969-01-25 | 1969-12-28 |
| 1970 | 1970-01-01 | 1970-11-26 |
| 1972 | 1972-01-15 | 1972-12-28 |
| 1973 | 1973-02-24 | 1973-12-12 |
| 1974 | 1974-01-16 | 1974-11-12 |
| 1975 | 1975-01-08 | 1975-12-31 |
| 1976 | 1976-01-15 | 1976-11-29 |
| 1977 | 1977-01-01 | 1977-10-08 |
| 1978 | 1978-02-08 | 1978-12-06 |
| 1979 | 1979-02-26 | 1979-12-02 |
| 1980 | 1980-01-04 | 1980-12-19 |
| 1981 | 1981-01-09 | 1981-12-22 |
| 1982 | 1982-01-10 | 1982-12-07 |
| 1983 | 1983-02-05 | 1983-12-28 |
| 1984 | 1984-01-02 | 1984-11-17 |
| 1985 | 1985-02-10 | 1985-12-22 |
| 1986 | 1986-01-11 | 1986-12-27 |
| 1987 | 1987-01-06 | 1987-11-19 |
| 1988 | 1988-01-12 | 1988-12-07 |
| 1989 | 1989-01-10 | 1989-12-27 |
| 1990 | 1990-01-02 | 1990-12-31 |
| 1991 | 1991-01-20 | 1991-10-25 |
| 1992 | 1992-01-26 | 1992-12-15 |
| 1993 | 1993-04-20 | 1993-12-25 |
| 1995 | 1995-02-26 | 1995-12-07 |
| 1996 | 1996-02-29 | 1996-12-04 |
| 1997 | 1997-01-22 | 1997-12-24 |
| 1998 | 1998-01-23 | 1998-12-03 |
| 1999 | 1999-02-14 | 1999-12-30 |
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 | 32 | 88 | 1968 | 52 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 32 | 36 | 1989 | 25 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 31 | 17 | 1989 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 11 | 4 | 1989 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.
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).