Tot-Ma Threshold Days by Year (RSM00027051)
13 fixed thresholds counted per year at Tot-Ma (RSM00027051): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Tot-Ma Thresholds
- Tot-Ma: days with 10 mm (0.39 in) or more of precipitation in 131 years, most in 2012 with 24.
- Tot-Ma: nights with a minimum temperature at or below 0 C (32 F) in 122 years, most in 1941 with 228.
- Tot-Ma: nights with a minimum temperature at or below -10 C (14 F) in 122 years, most in 1896 with 122.
- Tot-Ma: nights with a minimum temperature at or below -20 C (-4 F) in 122 years, most in 1941 with 67.
- 13 fixed thresholds have at least one qualifying day at Tot-Ma.
Days at or above 30 C (86 F)
61 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1915 | 3 | 6 |
| 1917 | 8 | 6 |
| 1918 | 7 | 6 |
| 1925 | 1 | 1 |
| 1926 | 1 | 1 |
| 1929 | 1 | 1 |
| 1930 | 6 | 7.1 |
| 1931 | 5 | 7.1 |
| 1932 | 7 | 7.1 |
| 1933 | 3 | 7.1 |
| 1934 | 5 | 7.1 |
| 1936 | 13 | 7.1 |
| 1937 | 5 | 7.1 |
| 1938 | 17 | 7.1 |
| 1939 | 3 | 7.1 |
| 1940 | 7 | 3.5 |
| 1941 | 1 | 3.5 |
| 1945 | 1 | 3.5 |
| 1948 | 5 | 3.5 |
| 1951 | 1 | 3.3 |
| 1952 | 1 | 3.3 |
| 1954 | 8 | 3.3 |
| 1957 | 3 | 3.3 |
| 1960 | 2 | 1.8 |
| 1964 | 3 | 1.8 |
| 1966 | 1 | 1.8 |
| 1969 | 1 | 1.8 |
| 1970 | 1 | 5.6 |
| 1972 | 21 | 5.6 |
| 1973 | 2 | 5.6 |
| 1974 | 1 | 5.6 |
| 1977 | 3 | 5.6 |
| 1981 | 7 | 4 |
| 1982 | 1 | 4 |
| 1985 | 3 | 4 |
| 1988 | 4 | 4 |
| 1989 | 5 | 4 |
| 1990 | 1 | 3.4 |
| 1991 | 5 | 3.4 |
| 1992 | 1 | 3.4 |
| 1995 | 1 | 3.4 |
| 1996 | 4 | 3.4 |
| 1998 | 7 | 3.4 |
| 1999 | 5 | 3.4 |
| 2000 | 4 | 3.1 |
| 2001 | 4 | 3.1 |
| 2002 | 4 | 3.1 |
| 2003 | 1 | 3.1 |
| 2006 | 6 | 3.1 |
| 2007 | 1 | 3.1 |
| 2009 | 2 | 3.1 |
| 2010 | 30 | 5.7 |
| 2011 | 4 | 5.7 |
| 2012 | 1 | 5.7 |
| 2013 | 6 | 5.7 |
| 2014 | 3 | 5.7 |
| 2015 | 1 | 5.7 |
| 2016 | 1 | 5.7 |
| 2017 | 2 | 5.7 |
| 2018 | 3 | 5.7 |
| 2025 | 2 | 2 |
| Year | First date | Last date |
|---|---|---|
| 1915 | 1915-07-21 | 1915-07-23 |
| 1917 | 1917-06-23 | 1917-06-30 |
| 1918 | 1918-06-23 | 1918-07-04 |
| 1925 | 1925-06-26 | 1925-06-26 |
| 1926 | 1926-06-26 | 1926-06-26 |
| 1929 | 1929-07-15 | 1929-07-15 |
| 1930 | 1930-08-16 | 1930-08-21 |
| 1931 | 1931-07-08 | 1931-08-12 |
| 1932 | 1932-07-29 | 1932-08-11 |
| 1933 | 1933-07-11 | 1933-07-13 |
| 1934 | 1934-07-10 | 1934-07-14 |
| 1936 | 1936-06-02 | 1936-08-08 |
| 1937 | 1937-06-12 | 1937-07-02 |
| 1938 | 1938-07-04 | 1938-08-26 |
| 1939 | 1939-06-15 | 1939-06-21 |
| 1940 | 1940-06-28 | 1940-08-25 |
| 1941 | 1941-07-06 | 1941-07-06 |
| 1945 | 1945-07-08 | 1945-07-08 |
| 1948 | 1948-06-02 | 1948-06-26 |
| 1951 | 1951-08-16 | 1951-08-16 |
| 1952 | 1952-06-27 | 1952-06-27 |
| 1954 | 1954-06-12 | 1954-07-11 |
| 1957 | 1957-05-11 | 1957-07-26 |
| 1960 | 1960-07-28 | 1960-07-29 |
| 1964 | 1964-07-12 | 1964-07-14 |
| 1966 | 1966-05-28 | 1966-05-28 |
| 1969 | 1969-08-30 | 1969-08-30 |
| 1970 | 1970-07-19 | 1970-07-19 |
| 1972 | 1972-07-03 | 1972-08-24 |
| 1973 | 1973-06-17 | 1973-07-05 |
| 1974 | 1974-07-21 | 1974-07-21 |
| 1977 | 1977-08-04 | 1977-08-07 |
| 1981 | 1981-07-01 | 1981-08-02 |
| 1982 | 1982-07-07 | 1982-07-07 |
| 1985 | 1985-08-10 | 1985-08-12 |
| 1988 | 1988-06-07 | 1988-07-22 |
| 1989 | 1989-06-28 | 1989-07-03 |
| 1990 | 1990-07-09 | 1990-07-09 |
| 1991 | 1991-06-26 | 1991-07-01 |
| 1992 | 1992-08-05 | 1992-08-05 |
| 1995 | 1995-05-26 | 1995-05-26 |
| 1996 | 1996-07-10 | 1996-07-13 |
| 1998 | 1998-06-11 | 1998-07-11 |
| 1999 | 1999-06-24 | 1999-07-04 |
| 2000 | 2000-07-17 | 2000-07-22 |
| 2001 | 2001-07-18 | 2001-07-21 |
| 2002 | 2002-07-05 | 2002-07-26 |
| 2003 | 2003-08-04 | 2003-08-04 |
| 2006 | 2006-06-22 | 2006-07-15 |
| 2007 | 2007-08-15 | 2007-08-15 |
| 2009 | 2009-07-14 | 2009-07-15 |
| 2010 | 2010-06-26 | 2010-08-11 |
| 2011 | 2011-07-23 | 2011-07-28 |
| 2012 | 2012-08-01 | 2012-08-01 |
| 2013 | 2013-06-24 | 2013-07-04 |
| 2014 | 2014-05-21 | 2014-08-01 |
| 2015 | 2015-06-21 | 2015-06-21 |
| 2016 | 2016-07-04 | 2016-07-04 |
| 2017 | 2017-07-16 | 2017-07-30 |
| 2018 | 2018-06-24 | 2018-08-01 |
| 2025 | 2025-07-29 | 2025-08-03 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 61 | 30 | 2010 | 2 |
| 35 C (95 F): Days | 2 | 2 | 2010 | 2 |
| 90 F (32.2 C): Days | 16 | 14 | 2010 | 2 |
| 0 C (32 F): Ice days (max | 99 | 158 | 1941 | 29 |
| 0 C (32 F): Frost days (min | 122 | 228 | 1941 | 66 |
| -10 C (14 F): Days with min | 122 | 122 | 1896 | 17 |
| -20 C (-4 F): Days with min | 122 | 67 | 1941 | 2 |
| -30 C (-22 F): Days with min | 114 | 21 | 1941 | 6 |
| -40 C (-40 F): Days with min | 21 | 7 | 1987 | 2 |
| 20 C (68 F): Tropical nights (min | 9 | 2 | 1996 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 131 | 24 | 2012 | 10 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 92 | 5 | 1902 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 9 | 1 | 1898 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.
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).