San Carlos Threshold Days by Year (MXN00002045)
12 fixed thresholds counted per year at San Carlos (MXN00002045): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Carlos Thresholds
- San Carlos: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1978 with 25.
- San Carlos: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1984 with 68.
- San Carlos: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1978 with 9.
- San Carlos: days with a maximum temperature at or above 90 F (32.2 C) in 24 years, most in 1971 with 27.
- 12 fixed thresholds have at least one qualifying day at San Carlos.
Days at or above 30 C (86 F)
25 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1963 | 33 | 39.7 |
| 1964 | 26 | 39.7 |
| 1965 | 36 | 39.7 |
| 1966 | 35 | 39.7 |
| 1967 | 60 | 39.7 |
| 1968 | 46 | 39.7 |
| 1969 | 42 | 39.7 |
| 1970 | 46 | 38.6 |
| 1971 | 49 | 38.6 |
| 1972 | 40 | 38.6 |
| 1973 | 31 | 38.6 |
| 1974 | 18 | 38.6 |
| 1975 | 25 | 38.6 |
| 1976 | 46 | 38.6 |
| 1977 | 35 | 38.6 |
| 1978 | 47 | 38.6 |
| 1979 | 49 | 38.6 |
| 1980 | 49 | 52 |
| 1981 | 63 | 52 |
| 1982 | 38 | 52 |
| 1983 | 49 | 52 |
| 1984 | 68 | 52 |
| 1985 | 45 | 52 |
| 2001 | 2 | 5 |
| 2002 | 8 | 5 |
| Year | First date | Last date |
|---|---|---|
| 1963 | 1963-02-03 | 1963-12-30 |
| 1964 | 1964-01-01 | 1964-11-05 |
| 1965 | 1965-01-17 | 1965-12-07 |
| 1966 | 1966-03-31 | 1966-11-02 |
| 1967 | 1967-02-28 | 1967-11-15 |
| 1968 | 1968-03-04 | 1968-11-11 |
| 1969 | 1969-01-03 | 1969-11-02 |
| 1970 | 1970-02-07 | 1970-11-15 |
| 1971 | 1971-01-28 | 1971-10-11 |
| 1972 | 1972-04-05 | 1972-10-06 |
| 1973 | 1973-05-28 | 1973-11-11 |
| 1974 | 1974-05-26 | 1974-11-13 |
| 1975 | 1975-07-10 | 1975-11-24 |
| 1976 | 1976-01-15 | 1976-11-08 |
| 1977 | 1977-02-12 | 1977-11-30 |
| 1978 | 1978-03-15 | 1978-11-07 |
| 1979 | 1979-05-14 | 1979-12-07 |
| 1980 | 1980-04-12 | 1980-12-30 |
| 1981 | 1981-02-16 | 1981-11-03 |
| 1982 | 1982-04-21 | 1982-11-03 |
| 1983 | 1983-04-01 | 1983-11-03 |
| 1984 | 1984-04-14 | 1984-10-07 |
| 1985 | 1985-02-14 | 1985-10-15 |
| 2001 | 2001-06-23 | 2001-06-24 |
| 2002 | 2002-02-21 | 2002-11-20 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 25 | 68 | 1984 | 8 |
| 35 C (95 F): Days | 23 | 15 | 1985 | 15 |
| 40 C (104 F): Days | 9 | 4 | 1963 | 2 |
| 90 F (32.2 C): Days | 24 | 27 | 1971 | 2 |
| 100 F (37.8 C): Days | 16 | 7 | 1963 | 4 |
| 110 F (43.3 C): Days | 1 | 3 | 1963 | 3 |
| 0 C (32 F): Frost days (min | 4 | 1 | 1971 | 1 |
| 20 C (68 F): Tropical nights (min | 21 | 22 | 1984 | 8 |
| 25 C (77 F): Days with min | 4 | 2 | 1963 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 27 | 25 | 1978 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 25 | 9 | 1978 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 6 | 3 | 1980 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.
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).