Tagus Threshold Days by Year
7 fixed thresholds counted per year at Tagus (USC00328627): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Tagus Thresholds
- Tagus: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1968 with 20.
- Tagus: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1963 with 6.
- Tagus: days with 10 cm (3.9 in) or more of snowfall in 54 years, most in 1967 with 8.
- Tagus: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 2005 with 2.
- 7 fixed thresholds have at least one qualifying day at Tagus.
Days with 10 mm (0.39 in) or more of precipitation
74 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1933 | 11 | 9.3 |
| 1935 | 12 | 9.3 |
| 1936 | 4 | 9.3 |
| 1937 | 12 | 9.3 |
| 1938 | 8 | 9.3 |
| 1939 | 9 | 9.3 |
| 1940 | 14 | 10.4 |
| 1941 | 15 | 10.4 |
| 1942 | 8 | 10.4 |
| 1944 | 13 | 10.4 |
| 1945 | 7 | 10.4 |
| 1946 | 8 | 10.4 |
| 1947 | 11 | 10.4 |
| 1948 | 10 | 10.4 |
| 1949 | 8 | 10.4 |
| 1950 | 9 | 9.9 |
| 1951 | 11 | 9.9 |
| 1952 | 5 | 9.9 |
| 1953 | 14 | 9.9 |
| 1954 | 13 | 9.9 |
| 1956 | 12 | 9.9 |
| 1957 | 9 | 9.9 |
| 1958 | 4 | 9.9 |
| 1959 | 12 | 9.9 |
| 1960 | 11 | 12 |
| 1961 | 4 | 12 |
| 1963 | 14 | 12 |
| 1964 | 16 | 12 |
| 1965 | 13 | 12 |
| 1966 | 10 | 12 |
| 1967 | 7 | 12 |
| 1968 | 20 | 12 |
| 1969 | 13 | 12 |
| 1970 | 20 | 13.6 |
| 1971 | 13 | 13.6 |
| 1972 | 14 | 13.6 |
| 1973 | 12 | 13.6 |
| 1974 | 12 | 13.6 |
| 1975 | 23 | 13.6 |
| 1976 | 9 | 13.6 |
| 1977 | 15 | 13.6 |
| 1978 | 11 | 13.6 |
| 1979 | 7 | 13.6 |
| 1980 | 9 | 12.2 |
| 1981 | 9 | 12.2 |
| 1982 | 16 | 12.2 |
| 1983 | 14 | 12.2 |
| 1984 | 17 | 12.2 |
| 1985 | 16 | 12.2 |
| 1986 | 12 | 12.2 |
| 1987 | 14 | 12.2 |
| 1988 | 8 | 12.2 |
| 1989 | 7 | 12.2 |
| 1990 | 11 | 11.6 |
| 1991 | 17 | 11.6 |
| 1992 | 5 | 11.6 |
| 1993 | 16 | 11.6 |
| 1994 | 13 | 11.6 |
| 1995 | 11 | 11.6 |
| 1996 | 7 | 11.6 |
| 1997 | 8 | 11.6 |
| 1998 | 13 | 11.6 |
| 1999 | 15 | 11.6 |
| 2000 | 15 | 11.6 |
| 2001 | 11 | 11.6 |
| 2002 | 9 | 11.6 |
| 2003 | 6 | 11.6 |
| 2004 | 14 | 11.6 |
| 2005 | 12 | 11.6 |
| 2006 | 11 | 11.6 |
| 2007 | 11 | 11.6 |
| 2008 | 13 | 11.6 |
| 2009 | 14 | 11.6 |
| 2010 | 15 | 15 |
| Year | First date | Last date |
|---|---|---|
| 1933 | 1933-04-04 | 1933-09-15 |
| 1935 | 1935-03-05 | 1935-08-24 |
| 1936 | 1936-05-20 | 1936-09-05 |
| 1937 | 1937-05-20 | 1937-10-05 |
| 1938 | 1938-04-25 | 1938-11-01 |
| 1939 | 1939-04-25 | 1939-08-10 |
| 1940 | 1940-04-03 | 1940-09-22 |
| 1941 | 1941-05-15 | 1941-09-24 |
| 1942 | 1942-04-18 | 1942-09-25 |
| 1944 | 1944-04-30 | 1944-11-14 |
| 1945 | 1945-03-26 | 1945-07-26 |
| 1946 | 1946-05-30 | 1946-10-06 |
| 1947 | 1947-02-08 | 1947-09-19 |
| 1948 | 1948-04-24 | 1948-10-06 |
| 1949 | 1949-05-17 | 1949-07-28 |
| 1950 | 1950-03-27 | 1950-12-25 |
| 1951 | 1951-04-27 | 1951-10-13 |
| 1952 | 1952-06-28 | 1952-08-31 |
| 1953 | 1953-03-21 | 1953-10-22 |
| 1954 | 1954-04-28 | 1954-09-18 |
| 1956 | 1956-03-27 | 1956-11-05 |
| 1957 | 1957-04-23 | 1957-10-23 |
| 1958 | 1958-02-27 | 1958-11-17 |
| 1959 | 1959-06-18 | 1959-10-07 |
| 1960 | 1960-01-01 | 1960-08-25 |
| 1961 | 1961-04-04 | 1961-09-10 |
| 1963 | 1963-04-16 | 1963-08-23 |
| 1964 | 1964-03-23 | 1964-11-27 |
| 1965 | 1965-04-11 | 1965-09-14 |
| 1966 | 1966-04-25 | 1966-08-21 |
| 1967 | 1967-04-05 | 1967-12-17 |
| 1968 | 1968-01-28 | 1968-10-15 |
| 1969 | 1969-02-14 | 1969-10-10 |
| 1970 | 1970-04-12 | 1970-09-24 |
| 1971 | 1971-03-27 | 1971-10-18 |
| 1972 | 1972-02-23 | 1972-12-29 |
| 1973 | 1973-03-06 | 1973-11-19 |
| 1974 | 1974-04-20 | 1974-12-22 |
| 1975 | 1975-03-26 | 1975-12-31 |
| 1976 | 1976-03-01 | 1976-08-25 |
| 1977 | 1977-05-04 | 1977-12-16 |
| 1978 | 1978-04-02 | 1978-11-13 |
| 1979 | 1979-03-07 | 1979-07-29 |
| 1980 | 1980-02-21 | 1980-10-22 |
| 1981 | 1981-01-25 | 1981-10-12 |
| 1982 | 1982-05-08 | 1982-12-02 |
| 1983 | 1983-02-17 | 1983-11-03 |
| 1984 | 1984-01-29 | 1984-10-27 |
| 1985 | 1985-03-28 | 1985-11-19 |
| 1986 | 1986-03-12 | 1986-11-08 |
| 1987 | 1987-03-17 | 1987-09-27 |
| 1988 | 1988-03-07 | 1988-12-26 |
| 1989 | 1989-01-06 | 1989-09-03 |
| 1990 | 1990-04-25 | 1990-08-11 |
| 1991 | 1991-04-13 | 1991-10-28 |
| 1992 | 1992-04-19 | 1992-08-23 |
| 1993 | 1993-04-10 | 1993-08-29 |
| 1994 | 1994-04-08 | 1994-11-13 |
| 1995 | 1995-03-27 | 1995-09-06 |
| 1996 | 1996-06-10 | 1996-10-20 |
| 1997 | 1997-04-05 | 1997-09-16 |
| 1998 | 1998-02-25 | 1998-10-11 |
| 1999 | 1999-05-04 | 1999-09-12 |
| 2000 | 2000-02-25 | 2000-11-02 |
| 2001 | 2001-05-06 | 2001-12-05 |
| 2002 | 2002-05-08 | 2002-08-30 |
| 2003 | 2003-05-06 | 2003-09-10 |
| 2004 | 2004-05-11 | 2004-10-29 |
| 2005 | 2005-03-29 | 2005-11-12 |
| 2006 | 2006-03-30 | 2006-09-27 |
| 2007 | 2007-03-29 | 2007-08-06 |
| 2008 | 2008-05-24 | 2008-10-12 |
| 2009 | 2009-01-09 | 2009-12-25 |
| 2010 | 2010-01-22 | 2010-09-22 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 10 mm (0.39 in): Days with 10 mm or more rain | 74 | 20 | 1968 | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 65 | 6 | 1963 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 17 | 2 | 2005 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 1 | 1948 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 54 | 8 | 1967 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 12 | 2 | 1984 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1953 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.
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).