Alto Longa Threshold Days by Year (BR037055580)
4 fixed thresholds counted per year at Alto Longa (BR037055580): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Alto Longa Thresholds
- Alto Longa: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1968 with 79.
- Alto Longa: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1917 with 32.
- Alto Longa: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1974 with 17.
- Alto Longa: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1972 with 2.
- 4 fixed thresholds have at least one qualifying day at Alto Longa.
Days with 10 mm (0.39 in) or more of precipitation
23 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1913 | 68 | 45.1 |
| 1914 | 59 | 45.1 |
| 1915 | 14 | 45.1 |
| 1916 | 46 | 45.1 |
| 1917 | 62 | 45.1 |
| 1918 | 45 | 45.1 |
| 1919 | 22 | 45.1 |
| 1920 | 47 | 44.6 |
| 1921 | 57 | 44.6 |
| 1922 | 43 | 44.6 |
| 1923 | 40 | 44.6 |
| 1927 | 36 | 44.6 |
| 1963 | 38 | 56.9 |
| 1964 | 70 | 56.9 |
| 1965 | 47 | 56.9 |
| 1966 | 51 | 56.9 |
| 1967 | 64 | 56.9 |
| 1968 | 79 | 56.9 |
| 1969 | 49 | 56.9 |
| 1970 | 35 | 45 |
| 1971 | 44 | 45 |
| 1972 | 40 | 45 |
| 1974 | 61 | 45 |
| Year | First date | Last date |
|---|---|---|
| 1913 | 1913-01-29 | 1913-12-15 |
| 1914 | 1914-01-10 | 1914-12-29 |
| 1915 | 1915-01-22 | 1915-12-19 |
| 1916 | 1916-01-15 | 1916-12-31 |
| 1917 | 1917-01-02 | 1917-12-30 |
| 1918 | 1918-01-02 | 1918-12-31 |
| 1919 | 1919-01-02 | 1919-12-30 |
| 1920 | 1920-01-01 | 1920-12-29 |
| 1921 | 1921-01-01 | 1921-12-25 |
| 1922 | 1922-01-13 | 1922-12-26 |
| 1923 | 1923-01-02 | 1923-11-26 |
| 1927 | 1927-01-04 | 1927-12-18 |
| 1963 | 1963-01-15 | 1963-12-29 |
| 1964 | 1964-01-02 | 1964-12-27 |
| 1965 | 1965-01-07 | 1965-12-24 |
| 1966 | 1966-01-13 | 1966-12-31 |
| 1967 | 1967-01-19 | 1967-12-31 |
| 1968 | 1968-01-22 | 1968-12-30 |
| 1969 | 1969-01-06 | 1969-12-29 |
| 1970 | 1970-01-14 | 1970-12-25 |
| 1971 | 1971-01-07 | 1971-12-24 |
| 1972 | 1972-01-08 | 1972-12-31 |
| 1974 | 1974-01-14 | 1974-12-23 |
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 | 23 | 79 | 1968 | 61 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 23 | 32 | 1917 | 27 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 21 | 17 | 1974 | 17 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 2 | 1972 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.
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).