Rize Threshold Days by Year (TU000017040)
12 fixed thresholds counted per year at Rize (TU000017040): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Rize Thresholds
- Rize: nights with a minimum temperature at or above 20 C (68 F) in 77 years, most in 1938 with 65.
- Rize: nights with a minimum temperature at or below 0 C (32 F) in 72 years, most in 1929 with 45.
- Rize: days with a maximum temperature at or above 30 C (86 F) in 64 years, most in 2001 with 24.
- Rize: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 1949 with 3.
- 12 fixed thresholds have at least one qualifying day at Rize.
Days at or above 30 C (86 F)
64 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1928 | 5 | 3.5 |
| 1929 | 2 | 3.5 |
| 1930 | 2 | 2.2 |
| 1931 | 2 | 2.2 |
| 1932 | 4 | 2.2 |
| 1934 | 2 | 2.2 |
| 1935 | 3 | 2.2 |
| 1936 | 2 | 2.2 |
| 1937 | 2 | 2.2 |
| 1938 | 1 | 2.2 |
| 1939 | 2 | 2.2 |
| 1940 | 6 | 3 |
| 1941 | 3 | 3 |
| 1942 | 3 | 3 |
| 1943 | 1 | 3 |
| 1944 | 1 | 3 |
| 1945 | 4 | 3 |
| 1946 | 2 | 3 |
| 1947 | 1 | 3 |
| 1948 | 3 | 3 |
| 1949 | 6 | 3 |
| 1951 | 3 | 3 |
| 1952 | 4 | 3 |
| 1956 | 1 | 3 |
| 1957 | 4 | 3 |
| 1958 | 3 | 3 |
| 1961 | 2 | 2.7 |
| 1962 | 2 | 2.7 |
| 1965 | 4 | 2.7 |
| 1966 | 2 | 2.7 |
| 1968 | 2 | 2.7 |
| 1969 | 4 | 2.7 |
| 1970 | 3 | 2.4 |
| 1972 | 2 | 2.4 |
| 1973 | 1 | 2.4 |
| 1974 | 2 | 2.4 |
| 1975 | 2 | 2.4 |
| 1977 | 4 | 2.4 |
| 1979 | 3 | 2.4 |
| 1980 | 3 | 2 |
| 1981 | 3 | 2 |
| 1982 | 1 | 2 |
| 1983 | 1 | 2 |
| 1984 | 1 | 2 |
| 1985 | 1 | 2 |
| 1987 | 4 | 2 |
| 1988 | 3 | 2 |
| 1989 | 1 | 2 |
| 1990 | 1 | 5.5 |
| 1991 | 1 | 5.5 |
| 1992 | 1 | 5.5 |
| 1993 | 1 | 5.5 |
| 1994 | 2 | 5.5 |
| 1995 | 1 | 5.5 |
| 1996 | 4 | 5.5 |
| 1997 | 3 | 5.5 |
| 1998 | 18 | 5.5 |
| 1999 | 23 | 5.5 |
| 2000 | 6 | 11.8 |
| 2001 | 24 | 11.8 |
| 2002 | 14 | 11.8 |
| 2003 | 3 | 11.8 |
| 2025 | 15 | 8 |
| 2026 | 1 | 8 |
| Year | First date | Last date |
|---|---|---|
| 1928 | 1928-04-17 | 1928-05-18 |
| 1929 | 1929-09-06 | 1929-09-07 |
| 1930 | 1930-04-10 | 1930-08-16 |
| 1931 | 1931-09-15 | 1931-10-30 |
| 1932 | 1932-04-07 | 1932-10-10 |
| 1934 | 1934-07-18 | 1934-07-25 |
| 1935 | 1935-05-01 | 1935-05-31 |
| 1936 | 1936-08-10 | 1936-10-02 |
| 1937 | 1937-04-24 | 1937-10-11 |
| 1938 | 1938-08-15 | 1938-08-15 |
| 1939 | 1939-05-06 | 1939-10-22 |
| 1940 | 1940-04-15 | 1940-07-18 |
| 1941 | 1941-05-25 | 1941-07-18 |
| 1942 | 1942-05-01 | 1942-06-23 |
| 1943 | 1943-05-09 | 1943-05-09 |
| 1944 | 1944-05-01 | 1944-05-01 |
| 1945 | 1945-05-25 | 1945-08-22 |
| 1946 | 1946-08-25 | 1946-11-19 |
| 1947 | 1947-08-29 | 1947-08-29 |
| 1948 | 1948-05-22 | 1948-07-08 |
| 1949 | 1949-06-04 | 1949-08-20 |
| 1951 | 1951-04-06 | 1951-08-26 |
| 1952 | 1952-03-31 | 1952-10-04 |
| 1956 | 1956-06-23 | 1956-06-23 |
| 1957 | 1957-04-16 | 1957-08-23 |
| 1958 | 1958-05-15 | 1958-08-23 |
| 1961 | 1961-05-01 | 1961-08-18 |
| 1962 | 1962-03-23 | 1962-05-16 |
| 1965 | 1965-04-27 | 1965-09-14 |
| 1966 | 1966-06-04 | 1966-07-24 |
| 1968 | 1968-07-19 | 1968-08-14 |
| 1969 | 1969-06-04 | 1969-08-29 |
| 1970 | 1970-05-12 | 1970-07-09 |
| 1972 | 1972-06-19 | 1972-06-20 |
| 1973 | 1973-10-23 | 1973-10-23 |
| 1974 | 1974-07-01 | 1974-10-22 |
| 1975 | 1975-07-03 | 1975-07-27 |
| 1977 | 1977-06-05 | 1977-09-25 |
| 1979 | 1979-04-03 | 1979-08-24 |
| 1980 | 1980-05-21 | 1980-07-13 |
| 1981 | 1981-04-20 | 1981-09-16 |
| 1982 | 1982-04-22 | 1982-04-22 |
| 1983 | 1983-08-14 | 1983-08-14 |
| 1984 | 1984-05-23 | 1984-05-23 |
| 1985 | 1985-04-11 | 1985-04-11 |
| 1987 | 1987-05-22 | 1987-07-30 |
| 1988 | 1988-05-17 | 1988-06-13 |
| 1989 | 1989-04-07 | 1989-04-07 |
| 1990 | 1990-06-09 | 1990-06-09 |
| 1991 | 1991-07-29 | 1991-07-29 |
| 1992 | 1992-09-06 | 1992-09-06 |
| 1993 | 1993-05-30 | 1993-05-30 |
| 1994 | 1994-06-06 | 1994-09-21 |
| 1995 | 1995-08-27 | 1995-08-27 |
| 1996 | 1996-07-09 | 1996-09-14 |
| 1997 | 1997-04-23 | 1997-10-12 |
| 1998 | 1998-04-12 | 1998-09-30 |
| 1999 | 1999-06-23 | 1999-08-23 |
| 2000 | 2000-07-06 | 2000-08-24 |
| 2001 | 2001-07-19 | 2001-08-30 |
| 2002 | 2002-07-12 | 2002-09-27 |
| 2003 | 2003-07-06 | 2003-10-09 |
| 2025 | 2025-07-13 | 2025-08-23 |
| 2026 | 2026-08-12 | 2026-08-12 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 64 | 24 | 2001 | 1 |
| 35 C (95 F): Days | 10 | 2 | 1928 | 1 |
| 90 F (32.2 C): Days | 31 | 3 | 1949 | 2 |
| 100 F (37.8 C): Days | 3 | 1 | 1928 | 1 |
| 0 C (32 F): Ice days (max | 8 | 2 | 1938 | 1 |
| 0 C (32 F): Frost days (min | 72 | 45 | 1929 | 5 |
| 20 C (68 F): Tropical nights (min | 77 | 65 | 1938 | 63 |
| 25 C (77 F): Days with min | 4 | 10 | 2001 | 6 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 4 | 0 | n/a | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 4 | 0 | n/a | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 4 | 0 | n/a | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 0 | n/a | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1928.
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 (2026-10-17).