Aleman Rch Threshold Days by Year (USC00290268)
15 fixed thresholds counted per year at Aleman Rch (USC00290268): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Aleman Rch Thresholds
- Aleman Rch: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1986 with 14.
- Aleman Rch: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 1963 with 143.
- Aleman Rch: days with a maximum temperature at or above 35 C (95 F) in 38 years, most in 1959 with 69.
- Aleman Rch: days with a maximum temperature at or above 90 F (32.2 C) in 38 years, most in 1960 with 111.
- 15 fixed thresholds have at least one qualifying day at Aleman Rch.
Days at or above 30 C (86 F)
38 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1959 | 140 | 140 |
| 1960 | 137 | 123.3 |
| 1961 | 120 | 123.3 |
| 1962 | 129 | 123.3 |
| 1963 | 143 | 123.3 |
| 1965 | 108 | 123.3 |
| 1966 | 124 | 123.3 |
| 1968 | 106 | 123.3 |
| 1969 | 119 | 123.3 |
| 1971 | 111 | 104.9 |
| 1972 | 94 | 104.9 |
| 1973 | 114 | 104.9 |
| 1974 | 102 | 104.9 |
| 1975 | 95 | 104.9 |
| 1976 | 99 | 104.9 |
| 1977 | 118 | 104.9 |
| 1978 | 105 | 104.9 |
| 1979 | 106 | 104.9 |
| 1980 | 116 | 108.4 |
| 1981 | 112 | 108.4 |
| 1982 | 122 | 108.4 |
| 1983 | 120 | 108.4 |
| 1984 | 117 | 108.4 |
| 1985 | 94 | 108.4 |
| 1986 | 93 | 108.4 |
| 1987 | 83 | 108.4 |
| 1988 | 98 | 108.4 |
| 1989 | 129 | 108.4 |
| 1990 | 101 | 111.3 |
| 1991 | 89 | 111.3 |
| 1992 | 104 | 111.3 |
| 1993 | 103 | 111.3 |
| 1994 | 128 | 111.3 |
| 1995 | 107 | 111.3 |
| 1996 | 125 | 111.3 |
| 1997 | 117 | 111.3 |
| 1998 | 131 | 111.3 |
| 1999 | 108 | 111.3 |
| Year | First date | Last date |
|---|---|---|
| 1959 | 1959-04-04 | 1959-10-26 |
| 1960 | 1960-04-06 | 1960-10-08 |
| 1961 | 1961-04-29 | 1961-10-06 |
| 1962 | 1962-04-14 | 1962-10-14 |
| 1963 | 1963-03-28 | 1963-10-13 |
| 1965 | 1965-04-20 | 1965-10-10 |
| 1966 | 1966-05-07 | 1966-09-30 |
| 1968 | 1968-05-20 | 1968-10-14 |
| 1969 | 1969-04-22 | 1969-10-09 |
| 1971 | 1971-03-27 | 1971-09-28 |
| 1972 | 1972-04-06 | 1972-10-11 |
| 1973 | 1973-05-09 | 1973-10-03 |
| 1974 | 1974-04-24 | 1974-09-12 |
| 1975 | 1975-05-12 | 1975-09-19 |
| 1976 | 1976-05-12 | 1976-09-19 |
| 1977 | 1977-05-01 | 1977-10-01 |
| 1978 | 1978-04-26 | 1978-10-02 |
| 1979 | 1979-05-06 | 1979-10-12 |
| 1980 | 1980-05-20 | 1980-10-05 |
| 1981 | 1981-04-26 | 1981-09-30 |
| 1982 | 1982-04-11 | 1982-10-05 |
| 1983 | 1983-05-22 | 1983-09-26 |
| 1984 | 1984-04-11 | 1984-09-24 |
| 1985 | 1985-04-15 | 1985-10-06 |
| 1986 | 1986-04-22 | 1986-09-21 |
| 1987 | 1987-04-17 | 1987-10-10 |
| 1988 | 1988-05-09 | 1988-09-28 |
| 1989 | 1989-03-12 | 1989-10-14 |
| 1990 | 1990-04-13 | 1990-09-18 |
| 1991 | 1991-05-07 | 1991-10-18 |
| 1992 | 1992-04-27 | 1992-09-26 |
| 1993 | 1993-04-22 | 1993-10-05 |
| 1994 | 1994-04-19 | 1994-10-05 |
| 1995 | 1995-04-30 | 1995-10-04 |
| 1996 | 1996-04-09 | 1996-10-12 |
| 1997 | 1997-05-04 | 1997-10-05 |
| 1998 | 1998-05-03 | 1998-10-14 |
| 1999 | 1999-04-20 | 1999-10-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 38 | 143 | 1963 | 108 |
| 35 C (95 F): Days | 38 | 69 | 1959 | 11 |
| 40 C (104 F): Days | 17 | 9 | 1960 | 1 |
| 90 F (32.2 C): Days | 38 | 111 | 1960 | 61 |
| 100 F (37.8 C): Days | 34 | 31 | 1980 | 6 |
| 0 C (32 F): Ice days (max | 17 | 6 | 1987 | 3 |
| 0 C (32 F): Frost days (min | 38 | 134 | 1979 | 118 |
| -10 C (14 F): Days with min | 36 | 18 | 1966 | 13 |
| -20 C (-4 F): Days with min | 3 | 2 | 1962 | 2 |
| 20 C (68 F): Tropical nights (min | 35 | 22 | 1969 | 12 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 43 | 14 | 1986 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 34 | 4 | 1986 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 7 | 1 | 1944 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 20 | 4 | 1960 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1984 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.
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).