Idria Threshold Days by Year (USC00044204)
16 fixed thresholds counted per year at Idria (USC00044204): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Idria Thresholds
- Idria: days with a maximum temperature at or above 30 C (86 F) in 47 years, most in 1926 with 144.
- Idria: days with a maximum temperature at or above 35 C (95 F) in 47 years, most in 1932 with 89.
- Idria: days with a maximum temperature at or above 90 F (32.2 C) in 47 years, most in 1926 with 116.
- Idria: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1936 with 22.
- 16 fixed thresholds have at least one qualifying day at Idria.
Days at or above 30 C (86 F)
47 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1919 | 97 | 97 |
| 1921 | 110 | 118.4 |
| 1922 | 115 | 118.4 |
| 1925 | 121 | 118.4 |
| 1926 | 144 | 118.4 |
| 1927 | 130 | 118.4 |
| 1928 | 107 | 118.4 |
| 1929 | 102 | 118.4 |
| 1930 | 85 | 101.7 |
| 1931 | 92 | 101.7 |
| 1932 | 119 | 101.7 |
| 1933 | 109 | 101.7 |
| 1934 | 103 | 101.7 |
| 1935 | 110 | 101.7 |
| 1936 | 84 | 101.7 |
| 1937 | 108 | 101.7 |
| 1938 | 104 | 101.7 |
| 1939 | 103 | 101.7 |
| 1940 | 134 | 91.1 |
| 1943 | 96 | 91.1 |
| 1945 | 88 | 91.1 |
| 1946 | 75 | 91.1 |
| 1947 | 92 | 91.1 |
| 1948 | 73 | 91.1 |
| 1949 | 80 | 91.1 |
| 1950 | 86 | 90.1 |
| 1951 | 93 | 90.1 |
| 1952 | 96 | 90.1 |
| 1953 | 74 | 90.1 |
| 1954 | 85 | 90.1 |
| 1955 | 85 | 90.1 |
| 1956 | 84 | 90.1 |
| 1957 | 88 | 90.1 |
| 1958 | 106 | 90.1 |
| 1959 | 104 | 90.1 |
| 1960 | 99 | 94.4 |
| 1961 | 103 | 94.4 |
| 1962 | 98 | 94.4 |
| 1964 | 92 | 94.4 |
| 1965 | 90 | 94.4 |
| 1966 | 96 | 94.4 |
| 1969 | 83 | 94.4 |
| 1972 | 83 | 89 |
| 1973 | 96 | 89 |
| 1974 | 106 | 89 |
| 1975 | 95 | 89 |
| 1976 | 65 | 89 |
| Year | First date | Last date |
|---|---|---|
| 1919 | 1919-04-30 | 1919-09-27 |
| 1921 | 1921-05-12 | 1921-10-20 |
| 1922 | 1922-05-04 | 1922-10-23 |
| 1925 | 1925-05-02 | 1925-10-21 |
| 1926 | 1926-03-25 | 1926-10-18 |
| 1927 | 1927-04-25 | 1927-10-25 |
| 1928 | 1928-05-05 | 1928-10-09 |
| 1929 | 1929-05-11 | 1929-10-25 |
| 1930 | 1930-06-04 | 1930-08-31 |
| 1931 | 1931-04-18 | 1931-10-25 |
| 1932 | 1932-05-12 | 1932-09-29 |
| 1933 | 1933-05-27 | 1933-10-18 |
| 1934 | 1934-05-06 | 1934-10-12 |
| 1935 | 1935-04-28 | 1935-10-11 |
| 1936 | 1936-05-08 | 1936-10-14 |
| 1937 | 1937-05-12 | 1937-10-26 |
| 1938 | 1938-05-13 | 1938-12-08 |
| 1939 | 1939-04-20 | 1939-10-30 |
| 1940 | 1940-05-05 | 1940-10-22 |
| 1943 | 1943-05-23 | 1943-10-06 |
| 1945 | 1945-04-29 | 1945-10-06 |
| 1946 | 1946-04-24 | 1946-09-29 |
| 1947 | 1947-04-13 | 1947-10-05 |
| 1948 | 1948-06-21 | 1948-10-08 |
| 1949 | 1949-05-24 | 1949-10-31 |
| 1950 | 1950-05-21 | 1950-10-14 |
| 1951 | 1951-05-19 | 1951-10-09 |
| 1952 | 1952-05-18 | 1952-10-05 |
| 1953 | 1953-06-15 | 1953-10-10 |
| 1954 | 1954-04-16 | 1954-10-15 |
| 1955 | 1955-05-19 | 1955-10-14 |
| 1956 | 1956-05-16 | 1956-10-20 |
| 1957 | 1957-05-27 | 1957-09-24 |
| 1958 | 1958-05-15 | 1958-10-18 |
| 1959 | 1959-05-11 | 1959-10-25 |
| 1960 | 1960-05-11 | 1960-09-27 |
| 1961 | 1961-06-13 | 1961-10-18 |
| 1962 | 1962-04-13 | 1962-10-01 |
| 1964 | 1964-05-12 | 1964-10-21 |
| 1965 | 1965-05-16 | 1965-10-25 |
| 1966 | 1966-04-16 | 1966-10-25 |
| 1969 | 1969-05-11 | 1969-09-30 |
| 1972 | 1972-05-13 | 1972-09-16 |
| 1973 | 1973-05-12 | 1973-10-01 |
| 1974 | 1974-05-08 | 1974-10-19 |
| 1975 | 1975-05-14 | 1975-10-06 |
| 1976 | 1976-05-12 | 1976-11-05 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 47 | 144 | 1926 | 65 |
| 35 C (95 F): Days | 47 | 89 | 1932 | 26 |
| 40 C (104 F): Days | 21 | 27 | 1932 | 1 |
| 45 C (113 F): Days | 1 | 1 | 1925 | 1 |
| 90 F (32.2 C): Days | 47 | 116 | 1926 | 49 |
| 100 F (37.8 C): Days | 43 | 57 | 1932 | 6 |
| 110 F (43.3 C): Days | 4 | 8 | 1925 | 2 |
| 0 C (32 F): Ice days (max | 5 | 2 | 1937 | 2 |
| 0 C (32 F): Frost days (min | 46 | 72 | 1928 | 22 |
| -10 C (14 F): Days with min | 2 | 1 | 1937 | 1 |
| 20 C (68 F): Tropical nights (min | 44 | 58 | 1922 | 20 |
| 25 C (77 F): Days with min | 26 | 9 | 1925 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 47 | 22 | 1936 | 11 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 44 | 11 | 1938 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 19 | 4 | 1969 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 3 | 2 | 1974 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1919.
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).