Advance 1 S Threshold Days by Year (USW00093825)
18 fixed thresholds counted per year at Advance 1 S (USW00093825): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Advance 1 S Thresholds
- Advance 1 S: days with a maximum temperature at or above 30 C (86 F) in 52 years, most in 1954 with 113.
- Advance 1 S: days with a maximum temperature at or above 90 F (32.2 C) in 52 years, most in 1954 with 91.
- Advance 1 S: days with a maximum temperature at or below 0 C (32 F) in 52 years, most in 1978 with 41.
- Advance 1 S: nights with a minimum temperature at or below 0 C (32 F) in 52 years, most in 1988 with 133.
- 18 fixed thresholds have at least one qualifying day at Advance 1 S.
Days at or above 30 C (86 F)
52 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1948 | 90 | 88.5 |
| 1949 | 87 | 88.5 |
| 1951 | 85 | 95.1 |
| 1952 | 106 | 95.1 |
| 1954 | 113 | 95.1 |
| 1955 | 97 | 95.1 |
| 1956 | 100 | 95.1 |
| 1957 | 74 | 95.1 |
| 1958 | 84 | 95.1 |
| 1959 | 102 | 95.1 |
| 1960 | 98 | 91.6 |
| 1961 | 83 | 91.6 |
| 1962 | 98 | 91.6 |
| 1963 | 95 | 91.6 |
| 1964 | 99 | 91.6 |
| 1965 | 100 | 91.6 |
| 1966 | 78 | 91.6 |
| 1967 | 80 | 91.6 |
| 1968 | 84 | 91.6 |
| 1969 | 101 | 91.6 |
| 1970 | 100 | 83.8 |
| 1971 | 86 | 83.8 |
| 1972 | 91 | 83.8 |
| 1973 | 86 | 83.8 |
| 1974 | 64 | 83.8 |
| 1975 | 78 | 83.8 |
| 1976 | 68 | 83.8 |
| 1977 | 103 | 83.8 |
| 1978 | 90 | 83.8 |
| 1979 | 72 | 83.8 |
| 1980 | 96 | 81 |
| 1981 | 66 | 81 |
| 1982 | 61 | 81 |
| 1983 | 93 | 81 |
| 1984 | 67 | 81 |
| 1985 | 67 | 81 |
| 1986 | 90 | 81 |
| 1987 | 104 | 81 |
| 1988 | 90 | 81 |
| 1989 | 76 | 81 |
| 1990 | 72 | 77.9 |
| 1991 | 97 | 77.9 |
| 1992 | 51 | 77.9 |
| 1993 | 83 | 77.9 |
| 1994 | 74 | 77.9 |
| 1995 | 80 | 77.9 |
| 1996 | 78 | 77.9 |
| 1997 | 66 | 77.9 |
| 1998 | 99 | 77.9 |
| 1999 | 79 | 77.9 |
| 2000 | 78 | 73.5 |
| 2001 | 69 | 73.5 |
| Year | First date | Last date |
|---|---|---|
| 1948 | 1948-04-25 | 1948-09-21 |
| 1949 | 1949-05-03 | 1949-10-11 |
| 1951 | 1951-04-28 | 1951-10-04 |
| 1952 | 1952-04-28 | 1952-10-01 |
| 1954 | 1954-04-25 | 1954-10-10 |
| 1955 | 1955-05-02 | 1955-09-29 |
| 1956 | 1956-04-27 | 1956-10-06 |
| 1957 | 1957-05-12 | 1957-09-21 |
| 1958 | 1958-05-15 | 1958-09-26 |
| 1959 | 1959-04-07 | 1959-10-04 |
| 1960 | 1960-04-23 | 1960-09-25 |
| 1961 | 1961-05-31 | 1961-10-12 |
| 1962 | 1962-04-30 | 1962-10-12 |
| 1963 | 1963-04-21 | 1963-10-22 |
| 1964 | 1964-04-25 | 1964-09-20 |
| 1965 | 1965-04-22 | 1965-09-20 |
| 1966 | 1966-05-06 | 1966-09-13 |
| 1967 | 1967-04-05 | 1967-10-05 |
| 1968 | 1968-05-01 | 1968-09-30 |
| 1969 | 1969-05-05 | 1969-10-05 |
| 1970 | 1970-05-12 | 1970-10-02 |
| 1971 | 1971-04-17 | 1971-10-29 |
| 1972 | 1972-05-19 | 1972-09-20 |
| 1973 | 1973-05-22 | 1973-10-04 |
| 1974 | 1974-05-19 | 1974-08-28 |
| 1975 | 1975-05-20 | 1975-10-14 |
| 1976 | 1976-05-23 | 1976-10-05 |
| 1977 | 1977-04-14 | 1977-10-02 |
| 1978 | 1978-05-24 | 1978-09-21 |
| 1979 | 1979-05-19 | 1979-09-30 |
| 1980 | 1980-04-23 | 1980-10-11 |
| 1981 | 1981-06-06 | 1981-10-05 |
| 1982 | 1982-05-15 | 1982-10-06 |
| 1983 | 1983-06-11 | 1983-10-04 |
| 1984 | 1984-05-26 | 1984-09-14 |
| 1985 | 1985-05-14 | 1985-10-14 |
| 1986 | 1986-05-08 | 1986-10-05 |
| 1987 | 1987-04-21 | 1987-09-27 |
| 1988 | 1988-05-13 | 1988-09-23 |
| 1989 | 1989-04-22 | 1989-10-14 |
| 1990 | 1990-06-08 | 1990-09-29 |
| 1991 | 1991-05-16 | 1991-10-19 |
| 1992 | 1992-04-16 | 1992-09-15 |
| 1993 | 1993-05-29 | 1993-09-23 |
| 1994 | 1994-05-24 | 1994-10-02 |
| 1995 | 1995-05-15 | 1995-09-15 |
| 1996 | 1996-05-19 | 1996-09-13 |
| 1997 | 1997-05-19 | 1997-10-07 |
| 1998 | 1998-05-14 | 1998-09-30 |
| 1999 | 1999-05-30 | 1999-09-29 |
| 2000 | 2000-05-23 | 2000-10-05 |
| 2001 | 2001-04-28 | 2001-09-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 52 | 113 | 1954 | 69 |
| 35 C (95 F): Days | 51 | 58 | 1954 | 3 |
| 40 C (104 F): Days | 6 | 6 | 1952 | 3 |
| 90 F (32.2 C): Days | 52 | 91 | 1954 | 42 |
| 100 F (37.8 C): Days | 25 | 24 | 1954 | 1 |
| 0 C (32 F): Ice days (max | 52 | 41 | 1978 | 12 |
| 0 C (32 F): Frost days (min | 52 | 133 | 1988 | 103 |
| -10 C (14 F): Days with min | 52 | 38 | 1985 | 7 |
| -20 C (-4 F): Days with min | 14 | 6 | 1977 | 2 |
| 20 C (68 F): Tropical nights (min | 52 | 66 | 1991 | 48 |
| 25 C (77 F): Days with min | 8 | 4 | 1954 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 52 | 53 | 1957 | 43 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 52 | 20 | 1957 | 13 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 49 | 8 | 1957 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 14 | 2 | 1977 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1977 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 24 | 4 | 1960 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1979 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.
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).