Orono Threshold Days by Year (CA006155854)
16 fixed thresholds counted per year at Orono (CA006155854): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Orono Thresholds
- Orono: days with a maximum temperature at or below 0 C (32 F) in 60 years, most in 1926 with 83.
- Orono: nights with a minimum temperature at or below 0 C (32 F) in 60 years, most in 1972 with 192.
- Orono: nights with a minimum temperature at or below -10 C (14 F) in 60 years, most in 1970 with 79.
- Orono: days with a maximum temperature at or above 30 C (86 F) in 58 years, most in 1955 with 31.
- 16 fixed thresholds have at least one qualifying day at Orono.
Days at or above 30 C (86 F)
58 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1924 | 3 | 5.2 |
| 1925 | 9 | 5.2 |
| 1926 | 4 | 5.2 |
| 1927 | 4 | 5.2 |
| 1928 | 2 | 5.2 |
| 1929 | 9 | 5.2 |
| 1930 | 9 | 14 |
| 1931 | 21 | 14 |
| 1932 | 1 | 14 |
| 1933 | 17 | 14 |
| 1934 | 13 | 14 |
| 1935 | 16 | 14 |
| 1936 | 14 | 14 |
| 1937 | 25 | 14 |
| 1938 | 10 | 14 |
| 1939 | 14 | 14 |
| 1940 | 4 | 10.5 |
| 1941 | 15 | 10.5 |
| 1942 | 3 | 10.5 |
| 1943 | 7 | 10.5 |
| 1944 | 13 | 10.5 |
| 1945 | 5 | 10.5 |
| 1946 | 8 | 10.5 |
| 1947 | 14 | 10.5 |
| 1948 | 11 | 10.5 |
| 1949 | 25 | 10.5 |
| 1950 | 2 | 13 |
| 1951 | 3 | 13 |
| 1952 | 25 | 13 |
| 1953 | 26 | 13 |
| 1954 | 5 | 13 |
| 1955 | 31 | 13 |
| 1956 | 6 | 13 |
| 1957 | 8 | 13 |
| 1958 | 5 | 13 |
| 1959 | 19 | 13 |
| 1960 | 2 | 8.3 |
| 1961 | 3 | 8.3 |
| 1962 | 7 | 8.3 |
| 1963 | 12 | 8.3 |
| 1964 | 12 | 8.3 |
| 1965 | 2 | 8.3 |
| 1966 | 17 | 8.3 |
| 1968 | 11 | 8.3 |
| 1969 | 9 | 8.3 |
| 1970 | 12 | 8.8 |
| 1971 | 5 | 8.8 |
| 1972 | 4 | 8.8 |
| 1973 | 17 | 8.8 |
| 1974 | 5 | 8.8 |
| 1975 | 14 | 8.8 |
| 1977 | 5 | 8.8 |
| 1978 | 7 | 8.8 |
| 1979 | 10 | 8.8 |
| 1980 | 3 | 7.8 |
| 1981 | 5 | 7.8 |
| 1982 | 2 | 7.8 |
| 1983 | 21 | 7.8 |
| Year | First date | Last date |
|---|---|---|
| 1924 | 1924-07-23 | 1924-08-31 |
| 1925 | 1925-06-01 | 1925-08-19 |
| 1926 | 1926-07-08 | 1926-08-11 |
| 1927 | 1927-05-22 | 1927-07-12 |
| 1928 | 1928-07-08 | 1928-08-28 |
| 1929 | 1929-06-17 | 1929-09-05 |
| 1930 | 1930-07-19 | 1930-08-08 |
| 1931 | 1931-06-20 | 1931-09-14 |
| 1932 | 1932-08-31 | 1932-08-31 |
| 1933 | 1933-06-09 | 1933-08-25 |
| 1934 | 1934-06-02 | 1934-08-10 |
| 1935 | 1935-07-05 | 1935-08-20 |
| 1936 | 1936-05-08 | 1936-08-23 |
| 1937 | 1937-07-05 | 1937-09-03 |
| 1938 | 1938-06-21 | 1938-08-15 |
| 1939 | 1939-06-28 | 1939-09-16 |
| 1940 | 1940-07-22 | 1940-07-26 |
| 1941 | 1941-06-19 | 1941-08-08 |
| 1942 | 1942-07-13 | 1942-08-21 |
| 1943 | 1943-06-25 | 1943-09-01 |
| 1944 | 1944-06-28 | 1944-08-16 |
| 1945 | 1945-06-29 | 1945-09-07 |
| 1946 | 1946-06-25 | 1946-07-28 |
| 1947 | 1947-06-24 | 1947-09-07 |
| 1948 | 1948-07-05 | 1948-08-28 |
| 1949 | 1949-06-11 | 1949-08-27 |
| 1950 | 1950-06-24 | 1950-07-09 |
| 1951 | 1951-07-26 | 1951-08-30 |
| 1952 | 1952-06-06 | 1952-09-14 |
| 1953 | 1953-06-20 | 1953-09-04 |
| 1954 | 1954-07-13 | 1954-08-15 |
| 1955 | 1955-06-17 | 1955-08-21 |
| 1956 | 1956-06-12 | 1956-08-10 |
| 1957 | 1957-06-17 | 1957-08-03 |
| 1958 | 1958-07-02 | 1958-08-03 |
| 1959 | 1959-06-09 | 1959-09-09 |
| 1960 | 1960-08-29 | 1960-09-07 |
| 1961 | 1961-07-20 | 1961-08-31 |
| 1962 | 1962-05-17 | 1962-08-31 |
| 1963 | 1963-06-25 | 1963-08-05 |
| 1964 | 1964-06-23 | 1964-07-28 |
| 1965 | 1965-08-06 | 1965-08-15 |
| 1966 | 1966-06-23 | 1966-08-09 |
| 1968 | 1968-06-07 | 1968-08-20 |
| 1969 | 1969-05-29 | 1969-08-31 |
| 1970 | 1970-06-09 | 1970-08-26 |
| 1971 | 1971-06-29 | 1971-08-08 |
| 1972 | 1972-07-12 | 1972-07-23 |
| 1973 | 1973-06-11 | 1973-09-04 |
| 1974 | 1974-07-04 | 1974-08-21 |
| 1975 | 1975-06-22 | 1975-08-09 |
| 1977 | 1977-07-15 | 1977-07-20 |
| 1978 | 1978-07-07 | 1978-08-19 |
| 1979 | 1979-06-16 | 1979-07-25 |
| 1980 | 1980-05-24 | 1980-08-27 |
| 1981 | 1981-07-07 | 1981-07-13 |
| 1982 | 1982-07-07 | 1982-07-18 |
| 1983 | 1983-06-12 | 1983-09-10 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 58 | 31 | 1955 | 21 |
| 35 C (95 F): Days | 11 | 4 | 1936 | 1 |
| 90 F (32.2 C): Days | 40 | 17 | 1955 | 2 |
| 100 F (37.8 C): Days | 1 | 3 | 1936 | 3 |
| 0 C (32 F): Ice days (max | 60 | 83 | 1926 | 50 |
| 0 C (32 F): Frost days (min | 60 | 192 | 1972 | 135 |
| -10 C (14 F): Days with min | 60 | 79 | 1970 | 36 |
| -20 C (-4 F): Days with min | 58 | 26 | 1934 | 5 |
| -30 C (-22 F): Days with min | 11 | 3 | 1934 | 1 |
| 20 C (68 F): Tropical nights (min | 42 | 14 | 1959 | 13 |
| 25 C (77 F): Days with min | 2 | 1 | 1931 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 58 | 41 | 1951 | 30 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 58 | 10 | 1929 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 17 | 3 | 1957 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 57 | 12 | 1936 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 11 | 2 | 1939 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.
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).