San Gregorio 2 SE Threshold Days by Year (USC00047807)
10 fixed thresholds counted per year at San Gregorio 2 SE (USC00047807): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Gregorio 2 SE Thresholds
- San Gregorio 2 SE: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1983 with 51.
- San Gregorio 2 SE: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1983 with 19.
- San Gregorio 2 SE: nights with a minimum temperature at or below 0 C (32 F) in 50 years, most in 1955 with 36.
- San Gregorio 2 SE: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 1961 with 11.
- 10 fixed thresholds have at least one qualifying day at San Gregorio 2 SE.
Days at or above 30 C (86 F)
45 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1955 | 3 | 4.8 |
| 1956 | 5 | 4.8 |
| 1957 | 3 | 4.8 |
| 1958 | 8 | 4.8 |
| 1959 | 5 | 4.8 |
| 1960 | 3 | 5.8 |
| 1961 | 11 | 5.8 |
| 1962 | 4 | 5.8 |
| 1963 | 2 | 5.8 |
| 1964 | 8 | 5.8 |
| 1965 | 7 | 5.8 |
| 1966 | 8 | 5.8 |
| 1967 | 6 | 5.8 |
| 1968 | 3 | 5.8 |
| 1970 | 11 | 4.6 |
| 1971 | 3 | 4.6 |
| 1972 | 3 | 4.6 |
| 1973 | 4 | 4.6 |
| 1974 | 2 | 4.6 |
| 1975 | 3 | 4.6 |
| 1976 | 8 | 4.6 |
| 1977 | 3 | 4.6 |
| 1978 | 6 | 4.6 |
| 1979 | 3 | 4.6 |
| 1980 | 3 | 4.4 |
| 1981 | 2 | 4.4 |
| 1983 | 5 | 4.4 |
| 1984 | 9 | 4.4 |
| 1985 | 3 | 4.4 |
| 1987 | 4 | 4.4 |
| 1988 | 4 | 4.4 |
| 1989 | 5 | 4.4 |
| 1990 | 1 | 3.5 |
| 1991 | 2 | 3.5 |
| 1992 | 1 | 3.5 |
| 1993 | 7 | 3.5 |
| 1994 | 1 | 3.5 |
| 1995 | 5 | 3.5 |
| 1996 | 4 | 3.5 |
| 1997 | 7 | 3.5 |
| 2001 | 5 | 6.2 |
| 2002 | 4 | 6.2 |
| 2003 | 11 | 6.2 |
| 2004 | 9 | 6.2 |
| 2006 | 2 | 6.2 |
| Year | First date | Last date |
|---|---|---|
| 1955 | 1955-09-03 | 1955-10-24 |
| 1956 | 1956-06-27 | 1956-11-09 |
| 1957 | 1957-06-17 | 1957-09-07 |
| 1958 | 1958-09-06 | 1958-12-03 |
| 1959 | 1959-07-10 | 1959-10-24 |
| 1960 | 1960-06-02 | 1960-09-25 |
| 1961 | 1961-06-15 | 1961-10-15 |
| 1962 | 1962-06-19 | 1962-11-01 |
| 1963 | 1963-07-26 | 1963-09-26 |
| 1964 | 1964-09-19 | 1964-10-21 |
| 1965 | 1965-08-13 | 1965-10-25 |
| 1966 | 1966-06-13 | 1966-11-01 |
| 1967 | 1967-09-20 | 1967-11-02 |
| 1968 | 1968-08-29 | 1968-09-23 |
| 1970 | 1970-05-15 | 1970-09-28 |
| 1971 | 1971-09-13 | 1971-09-15 |
| 1972 | 1972-07-13 | 1972-10-06 |
| 1973 | 1973-06-08 | 1973-09-27 |
| 1974 | 1974-09-30 | 1974-10-17 |
| 1975 | 1975-05-28 | 1975-09-24 |
| 1976 | 1976-06-15 | 1976-10-12 |
| 1977 | 1977-07-29 | 1977-07-31 |
| 1978 | 1978-05-30 | 1978-10-13 |
| 1979 | 1979-09-10 | 1979-09-12 |
| 1980 | 1980-06-27 | 1980-10-02 |
| 1981 | 1981-04-29 | 1981-06-15 |
| 1983 | 1983-05-19 | 1983-10-26 |
| 1984 | 1984-07-01 | 1984-09-28 |
| 1985 | 1985-07-01 | 1985-10-04 |
| 1987 | 1987-06-02 | 1987-10-06 |
| 1988 | 1988-04-10 | 1988-07-18 |
| 1989 | 1989-04-05 | 1989-06-22 |
| 1990 | 1990-10-09 | 1990-10-09 |
| 1991 | 1991-08-13 | 1991-10-20 |
| 1992 | 1992-10-07 | 1992-10-07 |
| 1993 | 1993-06-17 | 1993-10-26 |
| 1994 | 1994-10-08 | 1994-10-08 |
| 1995 | 1995-06-25 | 1995-10-02 |
| 1996 | 1996-04-29 | 1996-10-08 |
| 1997 | 1997-05-16 | 1997-10-16 |
| 2001 | 2001-05-30 | 2001-10-14 |
| 2002 | 2002-08-08 | 2002-09-19 |
| 2003 | 2003-06-25 | 2003-10-27 |
| 2004 | 2004-04-26 | 2004-10-13 |
| 2006 | 2006-07-18 | 2006-07-22 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 45 | 11 | 1961 | 2 |
| 35 C (95 F): Days | 10 | 2 | 1961 | 1 |
| 90 F (32.2 C): Days | 39 | 6 | 1961 | 1 |
| 0 C (32 F): Frost days (min | 50 | 36 | 1955 | 28 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1983 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 51 | 51 | 1983 | 16 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 51 | 19 | 1983 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 35 | 5 | 1982 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 6 | 1 | 1955 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 1 | 1 | 1962 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.
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).