Bollon Mary St Threshold Days by Year
14 fixed thresholds counted per year at Bollon Mary St (ASN00044010): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Bollon Mary St Thresholds
- Bollon Mary St: days with 10 mm (0.39 in) or more of precipitation in 134 years, most in 1950 with 33.
- Bollon Mary St: days with 25 mm (0.98 in) or more of precipitation in 132 years, most in 1956 with 15.
- Bollon Mary St: days with 50 mm (1.97 in) or more of precipitation in 77 years, most in 1950 with 7.
- Bollon Mary St: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 2002 with 192.
- 14 fixed thresholds have at least one qualifying day at Bollon Mary St.
Days at or above 30 C (86 F)
54 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1957 | 175 | 157 |
| 1958 | 156 | 157 |
| 1959 | 140 | 157 |
| 1961 | 164 | 150 |
| 1962 | 125 | 150 |
| 1963 | 125 | 150 |
| 1964 | 155 | 150 |
| 1965 | 183 | 150 |
| 1966 | 143 | 150 |
| 1967 | 144 | 150 |
| 1968 | 159 | 150 |
| 1969 | 152 | 150 |
| 1970 | 145 | 146.3 |
| 1971 | 143 | 146.3 |
| 1972 | 165 | 146.3 |
| 1973 | 161 | 146.3 |
| 1974 | 143 | 146.3 |
| 1975 | 140 | 146.3 |
| 1976 | 116 | 146.3 |
| 1977 | 168 | 146.3 |
| 1978 | 136 | 146.3 |
| 1980 | 183 | 156.9 |
| 1981 | 166 | 156.9 |
| 1982 | 149 | 156.9 |
| 1983 | 149 | 156.9 |
| 1984 | 138 | 156.9 |
| 1985 | 164 | 156.9 |
| 1986 | 160 | 156.9 |
| 1987 | 151 | 156.9 |
| 1988 | 155 | 156.9 |
| 1989 | 154 | 156.9 |
| 1990 | 155 | 151.3 |
| 1991 | 180 | 151.3 |
| 1992 | 153 | 151.3 |
| 1993 | 149 | 151.3 |
| 1994 | 129 | 151.3 |
| 1995 | 149 | 151.3 |
| 1996 | 149 | 151.3 |
| 1997 | 162 | 151.3 |
| 1998 | 158 | 151.3 |
| 1999 | 129 | 151.3 |
| 2000 | 154 | 160.5 |
| 2001 | 163 | 160.5 |
| 2002 | 192 | 160.5 |
| 2003 | 150 | 160.5 |
| 2008 | 125 | 160.5 |
| 2009 | 179 | 160.5 |
| 2010 | 103 | 153.2 |
| 2011 | 143 | 153.2 |
| 2012 | 152 | 153.2 |
| 2013 | 171 | 153.2 |
| 2014 | 162 | 153.2 |
| 2015 | 188 | 153.2 |
| 2026 | 79 | 79 |
| Year | First date | Last date |
|---|---|---|
| 1957 | 1957-01-01 | 1957-12-30 |
| 1958 | 1958-01-03 | 1958-12-31 |
| 1959 | 1959-01-01 | 1959-12-31 |
| 1961 | 1961-01-01 | 1961-12-31 |
| 1962 | 1962-01-04 | 1962-12-31 |
| 1963 | 1963-01-01 | 1963-12-31 |
| 1964 | 1964-01-01 | 1964-12-30 |
| 1965 | 1965-01-01 | 1965-12-31 |
| 1966 | 1966-01-01 | 1966-12-30 |
| 1967 | 1967-01-02 | 1967-12-31 |
| 1968 | 1968-01-01 | 1968-12-30 |
| 1969 | 1969-01-01 | 1969-12-31 |
| 1970 | 1970-01-03 | 1970-12-31 |
| 1971 | 1971-01-01 | 1971-12-31 |
| 1972 | 1972-01-02 | 1972-12-31 |
| 1973 | 1973-01-01 | 1973-12-31 |
| 1974 | 1974-01-01 | 1974-12-30 |
| 1975 | 1975-01-01 | 1975-12-31 |
| 1976 | 1976-01-01 | 1976-12-31 |
| 1977 | 1977-01-01 | 1977-12-31 |
| 1978 | 1978-01-01 | 1978-12-31 |
| 1980 | 1980-01-01 | 1980-12-31 |
| 1981 | 1981-01-01 | 1981-12-31 |
| 1982 | 1982-01-01 | 1982-12-31 |
| 1983 | 1983-01-01 | 1983-12-30 |
| 1984 | 1984-01-01 | 1984-12-31 |
| 1985 | 1985-01-01 | 1985-12-31 |
| 1986 | 1986-01-01 | 1986-12-31 |
| 1987 | 1987-01-02 | 1987-12-31 |
| 1988 | 1988-01-01 | 1988-12-31 |
| 1989 | 1989-01-01 | 1989-12-31 |
| 1990 | 1990-01-01 | 1990-12-31 |
| 1991 | 1991-01-01 | 1991-12-31 |
| 1992 | 1992-01-01 | 1992-12-31 |
| 1993 | 1993-01-01 | 1993-12-31 |
| 1994 | 1994-01-01 | 1994-12-31 |
| 1995 | 1995-01-01 | 1995-12-31 |
| 1996 | 1996-01-01 | 1996-12-31 |
| 1997 | 1997-01-01 | 1997-12-31 |
| 1998 | 1998-01-01 | 1998-12-30 |
| 1999 | 1999-01-03 | 1999-12-25 |
| 2000 | 2000-01-01 | 2000-12-31 |
| 2001 | 2001-01-01 | 2001-12-31 |
| 2002 | 2002-01-01 | 2002-12-31 |
| 2003 | 2003-01-02 | 2003-12-29 |
| 2008 | 2008-01-06 | 2008-12-31 |
| 2009 | 2009-01-01 | 2009-12-29 |
| 2010 | 2010-01-02 | 2010-12-31 |
| 2011 | 2011-01-01 | 2011-12-31 |
| 2012 | 2012-01-01 | 2012-12-25 |
| 2013 | 2013-01-09 | 2013-12-24 |
| 2014 | 2014-01-05 | 2014-12-30 |
| 2015 | 2015-01-02 | 2015-12-31 |
| 2026 | 2026-01-01 | 2026-09-22 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 54 | 192 | 2002 | 79 |
| 35 C (95 F): Days | 54 | 111 | 1980 | 57 |
| 40 C (104 F): Days | 54 | 26 | 1985 | 14 |
| 45 C (113 F): Days | 8 | 2 | 1990 | 2 |
| 90 F (32.2 C): Days | 54 | 154 | 2002 | 73 |
| 100 F (37.8 C): Days | 54 | 51 | 1965 | 30 |
| 110 F (43.3 C): Days | 28 | 5 | 1980 | 3 |
| 0 C (32 F): Frost days (min | 50 | 30 | 1957 | 3 |
| 20 C (68 F): Tropical nights (min | 52 | 110 | 1958 | 59 |
| 25 C (77 F): Days with min | 50 | 29 | 1981 | 16 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 134 | 33 | 1950 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 132 | 15 | 1956 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 77 | 7 | 1950 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 7 | 2 | 1955 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.
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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-15).