Transou Threshold Days by Year
16 fixed thresholds counted per year at Transou (USC00318694): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Transou Thresholds
- Transou: days with 10 mm (0.39 in) or more of precipitation in 80 years, most in 2018 with 59.
- Transou: days with 25 mm (0.98 in) or more of precipitation in 80 years, most in 2018 with 30.
- Transou: days with 50 mm (1.97 in) or more of precipitation in 80 years, most in 2013 with 15.
- Transou: days with a maximum temperature at or below 0 C (32 F) in 79 years, most in 2010 with 44.
- 16 fixed thresholds have at least one qualifying day at Transou.
Days at or above 30 C (86 F)
67 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1947 | 2 | 6.3 |
| 1948 | 12 | 6.3 |
| 1949 | 5 | 6.3 |
| 1951 | 10 | 10.1 |
| 1952 | 19 | 10.1 |
| 1953 | 12 | 10.1 |
| 1954 | 27 | 10.1 |
| 1955 | 3 | 10.1 |
| 1956 | 6 | 10.1 |
| 1957 | 5 | 10.1 |
| 1958 | 4 | 10.1 |
| 1959 | 5 | 10.1 |
| 1962 | 1 | 4 |
| 1963 | 2 | 4 |
| 1964 | 3 | 4 |
| 1965 | 1 | 4 |
| 1966 | 4 | 4 |
| 1968 | 12 | 4 |
| 1969 | 5 | 4 |
| 1970 | 7 | 4.3 |
| 1972 | 3 | 4.3 |
| 1973 | 1 | 4.3 |
| 1975 | 2 | 4.3 |
| 1976 | 1 | 4.3 |
| 1977 | 17 | 4.3 |
| 1978 | 2 | 4.3 |
| 1979 | 1 | 4.3 |
| 1980 | 17 | 10.8 |
| 1981 | 6 | 10.8 |
| 1983 | 14 | 10.8 |
| 1985 | 1 | 10.8 |
| 1986 | 12 | 10.8 |
| 1987 | 9 | 10.8 |
| 1988 | 21 | 10.8 |
| 1989 | 6 | 10.8 |
| 1990 | 8 | 12.9 |
| 1991 | 12 | 12.9 |
| 1992 | 5 | 12.9 |
| 1993 | 22 | 12.9 |
| 1994 | 2 | 12.9 |
| 1995 | 15 | 12.9 |
| 1996 | 7 | 12.9 |
| 1997 | 12 | 12.9 |
| 1998 | 32 | 12.9 |
| 1999 | 14 | 12.9 |
| 2001 | 1 | 5.9 |
| 2002 | 7 | 5.9 |
| 2003 | 1 | 5.9 |
| 2005 | 4 | 5.9 |
| 2006 | 5 | 5.9 |
| 2007 | 18 | 5.9 |
| 2008 | 5 | 5.9 |
| 2010 | 19 | 6.9 |
| 2011 | 15 | 6.9 |
| 2012 | 8 | 6.9 |
| 2013 | 1 | 6.9 |
| 2014 | 1 | 6.9 |
| 2015 | 3 | 6.9 |
| 2017 | 3 | 6.9 |
| 2019 | 5 | 6.9 |
| 2020 | 1 | 7.6 |
| 2021 | 1 | 7.6 |
| 2022 | 5 | 7.6 |
| 2023 | 2 | 7.6 |
| 2024 | 10 | 7.6 |
| 2025 | 10 | 7.6 |
| 2026 | 24 | 7.6 |
| Year | First date | Last date |
|---|---|---|
| 1947 | 1947-05-20 | 1947-07-31 |
| 1948 | 1948-06-23 | 1948-08-30 |
| 1949 | 1949-07-23 | 1949-08-11 |
| 1951 | 1951-06-02 | 1951-08-09 |
| 1952 | 1952-06-19 | 1952-07-30 |
| 1953 | 1953-06-10 | 1953-09-02 |
| 1954 | 1954-06-26 | 1954-09-19 |
| 1955 | 1955-07-27 | 1955-08-21 |
| 1956 | 1956-06-24 | 1956-08-18 |
| 1957 | 1957-07-08 | 1957-08-31 |
| 1958 | 1958-06-13 | 1958-08-01 |
| 1959 | 1959-06-29 | 1959-08-22 |
| 1962 | 1962-07-15 | 1962-07-15 |
| 1963 | 1963-08-03 | 1963-08-04 |
| 1964 | 1964-06-20 | 1964-06-22 |
| 1965 | 1965-08-16 | 1965-08-16 |
| 1966 | 1966-07-11 | 1966-07-28 |
| 1968 | 1968-06-30 | 1968-08-25 |
| 1969 | 1969-06-28 | 1969-07-19 |
| 1970 | 1970-07-01 | 1970-08-03 |
| 1972 | 1972-07-22 | 1972-07-24 |
| 1973 | 1973-06-18 | 1973-06-18 |
| 1975 | 1975-08-24 | 1975-08-26 |
| 1976 | 1976-07-24 | 1976-07-24 |
| 1977 | 1977-07-06 | 1977-08-09 |
| 1978 | 1978-06-27 | 1978-06-28 |
| 1979 | 1979-08-09 | 1979-08-09 |
| 1980 | 1980-06-27 | 1980-08-11 |
| 1981 | 1981-06-25 | 1981-08-05 |
| 1983 | 1983-07-20 | 1983-08-24 |
| 1985 | 1985-07-21 | 1985-07-21 |
| 1986 | 1986-06-28 | 1986-07-22 |
| 1987 | 1987-07-24 | 1987-08-27 |
| 1988 | 1988-06-13 | 1988-08-20 |
| 1989 | 1989-07-11 | 1989-08-23 |
| 1990 | 1990-07-09 | 1990-09-07 |
| 1991 | 1991-05-31 | 1991-09-17 |
| 1992 | 1992-07-11 | 1992-08-11 |
| 1993 | 1993-06-10 | 1993-09-02 |
| 1994 | 1994-06-17 | 1994-06-21 |
| 1995 | 1995-07-15 | 1995-09-01 |
| 1996 | 1996-05-19 | 1996-07-19 |
| 1997 | 1997-06-26 | 1997-08-18 |
| 1998 | 1998-06-23 | 1998-09-18 |
| 1999 | 1999-06-08 | 1999-08-19 |
| 2001 | 2001-08-09 | 2001-08-09 |
| 2002 | 2002-07-30 | 2002-09-11 |
| 2003 | 2003-08-27 | 2003-08-27 |
| 2005 | 2005-07-26 | 2005-08-21 |
| 2006 | 2006-06-23 | 2006-08-04 |
| 2007 | 2007-06-09 | 2007-08-30 |
| 2008 | 2008-06-07 | 2008-07-22 |
| 2010 | 2010-06-23 | 2010-09-26 |
| 2011 | 2011-05-31 | 2011-09-03 |
| 2012 | 2012-06-29 | 2012-07-09 |
| 2013 | 2013-07-17 | 2013-07-17 |
| 2014 | 2014-06-19 | 2014-06-19 |
| 2015 | 2015-06-25 | 2015-08-06 |
| 2017 | 2017-07-16 | 2017-07-24 |
| 2019 | 2019-07-21 | 2019-10-05 |
| 2020 | 2020-07-19 | 2020-07-19 |
| 2021 | 2021-07-29 | 2021-07-29 |
| 2022 | 2022-06-16 | 2022-07-24 |
| 2023 | 2023-07-30 | 2023-09-06 |
| 2024 | 2024-06-26 | 2024-08-30 |
| 2025 | 2025-06-22 | 2025-08-18 |
| 2026 | 2026-06-13 | 2026-09-19 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 67 | 32 | 1998 | 24 |
| 90 F (32.2 C): Days | 16 | 8 | 1954 | 6 |
| 0 C (32 F): Ice days (max | 79 | 44 | 2010 | 17 |
| 0 C (32 F): Frost days (min | 78 | 160 | 1983 | 74 |
| -10 C (14 F): Days with min | 78 | 42 | 1978 | 19 |
| -20 C (-4 F): Days with min | 25 | 6 | 2014 | 1 |
| -30 C (-22 F): Days with min | 1 | 1 | 1985 | 1 |
| 20 C (68 F): Tropical nights (min | 12 | 3 | 2025 | 5 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 80 | 59 | 2018 | 35 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 80 | 30 | 2018 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 80 | 15 | 2013 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 31 | 4 | 1992 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 2024 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 53 | 8 | 1966 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 14 | 3 | 1960 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 2 | 1 | 1996 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-16).