Mt Morris 2W Threshold Days by Year (USC00305597)
18 fixed thresholds counted per year at Mt Morris 2W (USC00305597): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Mt Morris 2W Thresholds
- Mt Morris 2W: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 1977 with 38.
- Mt Morris 2W: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1977 with 11.
- Mt Morris 2W: days with a maximum temperature at or above 30 C (86 F) in 62 years, most in 1955 with 57.
- Mt Morris 2W: days with a maximum temperature at or below 0 C (32 F) in 62 years, most in 1978 with 77.
- 18 fixed thresholds have at least one qualifying day at Mt Morris 2W.
Days at or above 30 C (86 F)
62 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1894 | 41 | 43.7 |
| 1895 | 38 | 43.7 |
| 1899 | 52 | 43.7 |
| 1949 | 39 | 39 |
| 1950 | 9 | 27.5 |
| 1951 | 12 | 27.5 |
| 1952 | 50 | 27.5 |
| 1953 | 35 | 27.5 |
| 1954 | 28 | 27.5 |
| 1955 | 57 | 27.5 |
| 1956 | 17 | 27.5 |
| 1957 | 17 | 27.5 |
| 1958 | 4 | 27.5 |
| 1959 | 46 | 27.5 |
| 1960 | 16 | 23.1 |
| 1961 | 22 | 23.1 |
| 1962 | 24 | 23.1 |
| 1963 | 20 | 23.1 |
| 1964 | 30 | 23.1 |
| 1965 | 26 | 23.1 |
| 1966 | 31 | 23.1 |
| 1967 | 17 | 23.1 |
| 1968 | 27 | 23.1 |
| 1969 | 18 | 23.1 |
| 1970 | 22 | 22.9 |
| 1971 | 24 | 22.9 |
| 1972 | 16 | 22.9 |
| 1973 | 36 | 22.9 |
| 1974 | 20 | 22.9 |
| 1975 | 24 | 22.9 |
| 1976 | 14 | 22.9 |
| 1977 | 21 | 22.9 |
| 1978 | 29 | 22.9 |
| 1980 | 21 | 18.9 |
| 1981 | 10 | 18.9 |
| 1984 | 20 | 18.9 |
| 1985 | 11 | 18.9 |
| 1986 | 10 | 18.9 |
| 1987 | 27 | 18.9 |
| 1988 | 36 | 18.9 |
| 1989 | 16 | 18.9 |
| 1990 | 18 | 17.9 |
| 1993 | 24 | 17.9 |
| 1994 | 13 | 17.9 |
| 1995 | 31 | 17.9 |
| 1996 | 11 | 17.9 |
| 1997 | 13 | 17.9 |
| 1998 | 15 | 17.9 |
| 2012 | 35 | 22.4 |
| 2014 | 13 | 22.4 |
| 2015 | 22 | 22.4 |
| 2016 | 33 | 22.4 |
| 2017 | 11 | 22.4 |
| 2018 | 27 | 22.4 |
| 2019 | 16 | 22.4 |
| 2020 | 32 | 22.6 |
| 2021 | 24 | 22.6 |
| 2022 | 25 | 22.6 |
| 2023 | 15 | 22.6 |
| 2024 | 20 | 22.6 |
| 2025 | 27 | 22.6 |
| 2026 | 15 | 22.6 |
| Year | First date | Last date |
|---|---|---|
| 1894 | 1894-06-10 | 1894-09-15 |
| 1895 | 1895-05-04 | 1895-09-22 |
| 1899 | 1899-04-29 | 1899-09-17 |
| 1949 | 1949-05-06 | 1949-10-11 |
| 1950 | 1950-05-06 | 1950-08-29 |
| 1951 | 1951-07-26 | 1951-10-05 |
| 1952 | 1952-06-15 | 1952-09-14 |
| 1953 | 1953-05-11 | 1953-09-05 |
| 1954 | 1954-04-21 | 1954-09-30 |
| 1955 | 1955-05-27 | 1955-09-20 |
| 1956 | 1956-06-12 | 1956-09-05 |
| 1957 | 1957-06-14 | 1957-08-04 |
| 1958 | 1958-07-06 | 1958-09-01 |
| 1959 | 1959-05-21 | 1959-09-30 |
| 1960 | 1960-06-05 | 1960-09-10 |
| 1961 | 1961-05-15 | 1961-09-24 |
| 1962 | 1962-05-16 | 1962-09-14 |
| 1963 | 1963-06-07 | 1963-07-29 |
| 1964 | 1964-05-24 | 1964-09-11 |
| 1965 | 1965-05-16 | 1965-09-23 |
| 1966 | 1966-05-25 | 1966-09-03 |
| 1967 | 1967-06-04 | 1967-08-17 |
| 1968 | 1968-06-07 | 1968-09-23 |
| 1969 | 1969-05-30 | 1969-09-02 |
| 1970 | 1970-05-01 | 1970-09-25 |
| 1971 | 1971-05-19 | 1971-09-11 |
| 1972 | 1972-06-16 | 1972-08-27 |
| 1973 | 1973-06-06 | 1973-09-06 |
| 1974 | 1974-05-15 | 1974-08-24 |
| 1975 | 1975-05-23 | 1975-08-27 |
| 1976 | 1976-04-19 | 1976-09-10 |
| 1977 | 1977-05-18 | 1977-09-02 |
| 1978 | 1978-05-27 | 1978-09-07 |
| 1980 | 1980-05-24 | 1980-09-04 |
| 1981 | 1981-06-16 | 1981-07-20 |
| 1984 | 1984-05-23 | 1984-08-11 |
| 1985 | 1985-07-06 | 1985-08-19 |
| 1986 | 1986-04-29 | 1986-08-17 |
| 1987 | 1987-05-29 | 1987-08-18 |
| 1988 | 1988-06-14 | 1988-08-18 |
| 1989 | 1989-05-20 | 1989-09-10 |
| 1990 | 1990-04-28 | 1990-08-19 |
| 1993 | 1993-06-19 | 1993-09-15 |
| 1994 | 1994-04-16 | 1994-07-22 |
| 1995 | 1995-06-08 | 1995-09-01 |
| 1996 | 1996-05-19 | 1996-08-08 |
| 1997 | 1997-06-22 | 1997-08-17 |
| 1998 | 1998-05-17 | 1998-09-16 |
| 2012 | 2012-04-17 | 2012-09-01 |
| 2014 | 2014-05-10 | 2014-09-06 |
| 2015 | 2015-05-09 | 2015-09-10 |
| 2016 | 2016-05-28 | 2016-09-11 |
| 2017 | 2017-05-18 | 2017-09-28 |
| 2018 | 2018-05-29 | 2018-09-22 |
| 2019 | 2019-05-20 | 2019-10-02 |
| 2020 | 2020-05-26 | 2020-09-10 |
| 2021 | 2021-05-21 | 2021-08-30 |
| 2022 | 2022-05-22 | 2022-08-30 |
| 2023 | 2023-06-01 | 2023-10-05 |
| 2024 | 2024-05-22 | 2024-08-28 |
| 2025 | 2025-06-05 | 2025-08-17 |
| 2026 | 2026-05-19 | 2026-10-14 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 62 | 57 | 1955 | 15 |
| 35 C (95 F): Days | 14 | 12 | 1899 | 1 |
| 90 F (32.2 C): Days | 57 | 34 | 1955 | 6 |
| 100 F (37.8 C): Days | 1 | 1 | 1895 | 1 |
| 0 C (32 F): Ice days (max | 62 | 77 | 1978 | 40 |
| 0 C (32 F): Frost days (min | 57 | 170 | 1895 | 89 |
| -10 C (14 F): Days with min | 57 | 65 | 1895 | 33 |
| -20 C (-4 F): Days with min | 40 | 17 | 1963 | 4 |
| -30 C (-22 F): Days with min | 1 | 1 | 1957 | 1 |
| 20 C (68 F): Tropical nights (min | 55 | 19 | 1949 | 7 |
| 25 C (77 F): Days with min | 1 | 1 | 1899 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 66 | 38 | 1977 | 24 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 64 | 11 | 1977 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 25 | 4 | 1995 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1959 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 45 | 11 | 1972 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 12 | 3 | 1978 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1978 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.
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).