Summer Shade Threshold Days by Year (USC00157800)
19 fixed thresholds counted per year at Summer Shade (USC00157800): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Summer Shade Thresholds
- Summer Shade: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1972 with 58.
- Summer Shade: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1964 with 21.
- Summer Shade: days with a maximum temperature at or above 30 C (86 F) in 56 years, most in 1953 with 108.
- Summer Shade: days with a maximum temperature at or above 90 F (32.2 C) in 56 years, most in 1954 with 78.
- 19 fixed thresholds have at least one qualifying day at Summer Shade.
Days at or above 30 C (86 F)
56 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1951 | 92 | 92.1 |
| 1952 | 98 | 92.1 |
| 1953 | 108 | 92.1 |
| 1954 | 107 | 92.1 |
| 1955 | 95 | 92.1 |
| 1956 | 87 | 92.1 |
| 1957 | 79 | 92.1 |
| 1958 | 74 | 92.1 |
| 1959 | 89 | 92.1 |
| 1960 | 76 | 67.7 |
| 1961 | 66 | 67.7 |
| 1962 | 92 | 67.7 |
| 1963 | 65 | 67.7 |
| 1964 | 88 | 67.7 |
| 1965 | 66 | 67.7 |
| 1966 | 61 | 67.7 |
| 1967 | 34 | 67.7 |
| 1968 | 57 | 67.7 |
| 1969 | 72 | 67.7 |
| 1970 | 59 | 45.1 |
| 1971 | 36 | 45.1 |
| 1972 | 44 | 45.1 |
| 1973 | 50 | 45.1 |
| 1974 | 29 | 45.1 |
| 1975 | 68 | 45.1 |
| 1976 | 31 | 45.1 |
| 1977 | 56 | 45.1 |
| 1978 | 57 | 45.1 |
| 1979 | 21 | 45.1 |
| 1980 | 86 | 67.8 |
| 1981 | 49 | 67.8 |
| 1982 | 45 | 67.8 |
| 1983 | 81 | 67.8 |
| 1984 | 69 | 67.8 |
| 1985 | 59 | 67.8 |
| 1986 | 73 | 67.8 |
| 1987 | 82 | 67.8 |
| 1988 | 82 | 67.8 |
| 1989 | 52 | 67.8 |
| 1990 | 60 | 64 |
| 1991 | 78 | 64 |
| 1992 | 30 | 64 |
| 1993 | 80 | 64 |
| 1994 | 57 | 64 |
| 1995 | 73 | 64 |
| 1996 | 52 | 64 |
| 1997 | 45 | 64 |
| 1998 | 91 | 64 |
| 1999 | 74 | 64 |
| 2000 | 59 | 66.1 |
| 2001 | 55 | 66.1 |
| 2002 | 81 | 66.1 |
| 2003 | 38 | 66.1 |
| 2004 | 77 | 66.1 |
| 2005 | 81 | 66.1 |
| 2008 | 72 | 66.1 |
| Year | First date | Last date |
|---|---|---|
| 1951 | 1951-04-28 | 1951-10-06 |
| 1952 | 1952-05-01 | 1952-09-13 |
| 1953 | 1953-05-03 | 1953-10-21 |
| 1954 | 1954-04-25 | 1954-10-05 |
| 1955 | 1955-04-17 | 1955-09-29 |
| 1956 | 1956-04-27 | 1956-10-01 |
| 1957 | 1957-04-24 | 1957-09-21 |
| 1958 | 1958-05-14 | 1958-10-09 |
| 1959 | 1959-05-01 | 1959-10-05 |
| 1960 | 1960-04-22 | 1960-09-22 |
| 1961 | 1961-05-31 | 1961-09-24 |
| 1962 | 1962-04-26 | 1962-09-13 |
| 1963 | 1963-04-21 | 1963-09-20 |
| 1964 | 1964-04-20 | 1964-09-20 |
| 1965 | 1965-04-23 | 1965-09-21 |
| 1966 | 1966-05-08 | 1966-09-04 |
| 1967 | 1967-05-25 | 1967-09-20 |
| 1968 | 1968-06-06 | 1968-08-25 |
| 1969 | 1969-05-29 | 1969-09-06 |
| 1970 | 1970-04-30 | 1970-09-23 |
| 1971 | 1971-04-20 | 1971-09-30 |
| 1972 | 1972-05-25 | 1972-09-21 |
| 1973 | 1973-06-03 | 1973-09-26 |
| 1974 | 1974-05-19 | 1974-09-12 |
| 1975 | 1975-05-22 | 1975-09-10 |
| 1976 | 1976-06-09 | 1976-08-24 |
| 1977 | 1977-05-30 | 1977-09-05 |
| 1978 | 1978-04-09 | 1978-09-20 |
| 1979 | 1979-06-18 | 1979-09-05 |
| 1980 | 1980-04-23 | 1980-10-10 |
| 1981 | 1981-06-05 | 1981-09-13 |
| 1982 | 1982-05-12 | 1982-09-12 |
| 1983 | 1983-06-13 | 1983-09-19 |
| 1984 | 1984-05-25 | 1984-09-25 |
| 1985 | 1985-04-21 | 1985-09-09 |
| 1986 | 1986-04-26 | 1986-10-02 |
| 1987 | 1987-04-21 | 1987-09-17 |
| 1988 | 1988-04-05 | 1988-09-23 |
| 1989 | 1989-04-24 | 1989-09-13 |
| 1990 | 1990-04-24 | 1990-09-07 |
| 1991 | 1991-05-15 | 1991-09-18 |
| 1992 | 1992-06-16 | 1992-09-09 |
| 1993 | 1993-05-08 | 1993-09-14 |
| 1994 | 1994-05-24 | 1994-09-16 |
| 1995 | 1995-04-10 | 1995-09-11 |
| 1996 | 1996-05-19 | 1996-09-07 |
| 1997 | 1997-06-19 | 1997-09-19 |
| 1998 | 1998-03-29 | 1998-09-30 |
| 1999 | 1999-06-02 | 1999-09-11 |
| 2000 | 2000-05-18 | 2000-10-04 |
| 2001 | 2001-04-10 | 2001-09-13 |
| 2002 | 2002-04-18 | 2002-10-02 |
| 2003 | 2003-06-15 | 2003-09-01 |
| 2004 | 2004-05-08 | 2004-10-19 |
| 2005 | 2005-05-11 | 2005-10-20 |
| 2008 | 2008-06-04 | 2008-09-23 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 56 | 108 | 1953 | 72 |
| 35 C (95 F): Days | 35 | 42 | 1954 | 2 |
| 40 C (104 F): Days | 3 | 3 | 2004 | 3 |
| 90 F (32.2 C): Days | 56 | 78 | 1954 | 34 |
| 100 F (37.8 C): Days | 9 | 12 | 1954 | 6 |
| 110 F (43.3 C): Days | 1 | 1 | 2004 | 1 |
| 0 C (32 F): Ice days (max | 56 | 27 | 1978 | 7 |
| 0 C (32 F): Frost days (min | 56 | 123 | 1960 | 90 |
| -10 C (14 F): Days with min | 56 | 34 | 1977 | 11 |
| -20 C (-4 F): Days with min | 29 | 6 | 1977 | 2 |
| -30 C (-22 F): Days with min | 2 | 1 | 1985 | 1 |
| 20 C (68 F): Tropical nights (min | 56 | 58 | 1991 | 45 |
| 25 C (77 F): Days with min | 7 | 2 | 1980 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 58 | 58 | 1972 | 28 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 58 | 21 | 1964 | 16 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 56 | 7 | 1975 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 9 | 1 | 1952 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 22 | 5 | 1960 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1960 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.
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).