Tolka Threshold Days by Year (RSM00023662)
14 fixed thresholds counted per year at Tolka (RSM00023662): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Tolka Thresholds
- Tolka: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 2002 with 19.
- Tolka: days with a maximum temperature at or below 0 C (32 F) in 69 years, most in 1998 with 210.
- Tolka: nights with a minimum temperature at or below 0 C (32 F) in 69 years, most in 1996 with 262.
- Tolka: nights with a minimum temperature at or below -10 C (14 F) in 69 years, most in 1952 with 196.
- 14 fixed thresholds have at least one qualifying day at Tolka.
Days at or above 30 C (86 F)
57 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1950 | 1 | 4.2 |
| 1951 | 4 | 4.2 |
| 1952 | 1 | 4.2 |
| 1953 | 4 | 4.2 |
| 1954 | 2 | 4.2 |
| 1955 | 6 | 4.2 |
| 1956 | 6 | 4.2 |
| 1957 | 9 | 4.2 |
| 1958 | 7 | 4.2 |
| 1959 | 2 | 4.2 |
| 1961 | 2 | 4.2 |
| 1962 | 2 | 4.2 |
| 1963 | 6 | 4.2 |
| 1964 | 3 | 4.2 |
| 1968 | 6 | 4.2 |
| 1969 | 6 | 4.2 |
| 1971 | 1 | 2.3 |
| 1973 | 2 | 2.3 |
| 1975 | 5 | 2.3 |
| 1976 | 3 | 2.3 |
| 1978 | 2 | 2.3 |
| 1979 | 1 | 2.3 |
| 1981 | 2 | 3.9 |
| 1982 | 7 | 3.9 |
| 1983 | 9 | 3.9 |
| 1984 | 5 | 3.9 |
| 1985 | 2 | 3.9 |
| 1986 | 1 | 3.9 |
| 1987 | 4 | 3.9 |
| 1988 | 1 | 3.9 |
| 1989 | 4 | 3.9 |
| 1990 | 9 | 6.4 |
| 1991 | 4 | 6.4 |
| 1992 | 5 | 6.4 |
| 1993 | 10 | 6.4 |
| 1994 | 8 | 6.4 |
| 1996 | 5 | 6.4 |
| 1998 | 6 | 6.4 |
| 1999 | 4 | 6.4 |
| 2000 | 1 | 4.9 |
| 2001 | 7 | 4.9 |
| 2002 | 8 | 4.9 |
| 2003 | 4 | 4.9 |
| 2004 | 3 | 4.9 |
| 2005 | 3 | 4.9 |
| 2006 | 4 | 4.9 |
| 2007 | 11 | 4.9 |
| 2009 | 3 | 4.9 |
| 2011 | 2 | 6.5 |
| 2012 | 17 | 6.5 |
| 2013 | 13 | 6.5 |
| 2014 | 4 | 6.5 |
| 2015 | 3 | 6.5 |
| 2016 | 8 | 6.5 |
| 2017 | 3 | 6.5 |
| 2018 | 2 | 6.5 |
| 2025 | 4 | 4 |
| Year | First date | Last date |
|---|---|---|
| 1950 | 1950-07-05 | 1950-07-05 |
| 1951 | 1951-07-22 | 1951-07-27 |
| 1952 | 1952-06-10 | 1952-06-10 |
| 1953 | 1953-05-30 | 1953-07-16 |
| 1954 | 1954-06-08 | 1954-06-09 |
| 1955 | 1955-05-27 | 1955-06-24 |
| 1956 | 1956-07-01 | 1956-07-08 |
| 1957 | 1957-06-20 | 1957-07-14 |
| 1958 | 1958-06-08 | 1958-07-13 |
| 1959 | 1959-06-27 | 1959-06-28 |
| 1961 | 1961-06-30 | 1961-07-01 |
| 1962 | 1962-07-03 | 1962-07-20 |
| 1963 | 1963-06-22 | 1963-07-07 |
| 1964 | 1964-07-10 | 1964-07-12 |
| 1968 | 1968-07-13 | 1968-07-23 |
| 1969 | 1969-06-27 | 1969-07-10 |
| 1971 | 1971-06-24 | 1971-06-24 |
| 1973 | 1973-07-12 | 1973-07-13 |
| 1975 | 1975-07-07 | 1975-07-23 |
| 1976 | 1976-07-04 | 1976-07-06 |
| 1978 | 1978-07-12 | 1978-07-13 |
| 1979 | 1979-07-07 | 1979-07-07 |
| 1981 | 1981-06-19 | 1981-06-20 |
| 1982 | 1982-06-13 | 1982-08-02 |
| 1983 | 1983-06-21 | 1983-06-29 |
| 1984 | 1984-06-13 | 1984-07-06 |
| 1985 | 1985-06-29 | 1985-06-30 |
| 1986 | 1986-07-13 | 1986-07-13 |
| 1987 | 1987-07-08 | 1987-07-13 |
| 1988 | 1988-07-26 | 1988-07-26 |
| 1989 | 1989-07-04 | 1989-07-22 |
| 1990 | 1990-07-04 | 1990-07-16 |
| 1991 | 1991-06-03 | 1991-07-18 |
| 1992 | 1992-07-05 | 1992-07-20 |
| 1993 | 1993-07-01 | 1993-07-11 |
| 1994 | 1994-06-23 | 1994-07-09 |
| 1996 | 1996-07-01 | 1996-07-26 |
| 1998 | 1998-07-16 | 1998-08-16 |
| 1999 | 1999-05-23 | 1999-07-27 |
| 2000 | 2000-06-15 | 2000-06-15 |
| 2001 | 2001-05-27 | 2001-08-08 |
| 2002 | 2002-06-17 | 2002-07-28 |
| 2003 | 2003-06-25 | 2003-07-08 |
| 2004 | 2004-06-12 | 2004-06-27 |
| 2005 | 2005-07-22 | 2005-07-25 |
| 2006 | 2006-06-25 | 2006-07-21 |
| 2007 | 2007-07-01 | 2007-07-20 |
| 2009 | 2009-07-08 | 2009-07-13 |
| 2011 | 2011-06-06 | 2011-06-07 |
| 2012 | 2012-05-30 | 2012-07-22 |
| 2013 | 2013-07-15 | 2013-07-27 |
| 2014 | 2014-06-15 | 2014-06-25 |
| 2015 | 2015-06-06 | 2015-06-29 |
| 2016 | 2016-06-10 | 2016-07-22 |
| 2017 | 2017-06-19 | 2017-07-21 |
| 2018 | 2018-06-07 | 2018-06-08 |
| 2025 | 2025-06-05 | 2025-07-29 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 57 | 17 | 2012 | 4 |
| 35 C (95 F): Days | 3 | 1 | 1956 | 1 |
| 90 F (32.2 C): Days | 28 | 6 | 1983 | 1 |
| 100 F (37.8 C): Days | 1 | 1 | 1994 | 1 |
| 0 C (32 F): Ice days (max | 69 | 210 | 1998 | 76 |
| 0 C (32 F): Frost days (min | 69 | 262 | 1996 | 77 |
| -10 C (14 F): Days with min | 69 | 196 | 1952 | 52 |
| -20 C (-4 F): Days with min | 69 | 154 | 1952 | 26 |
| -30 C (-22 F): Days with min | 69 | 92 | 1974 | 13 |
| -40 C (-40 F): Days with min | 68 | 44 | 1969 | 1 |
| 20 C (68 F): Tropical nights (min | 12 | 1 | 1955 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 71 | 19 | 2002 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 42 | 3 | 1968 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 9 | 1 | 1968 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.
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).