Sondrestrom Threshold Days by Year (GLW00016504)
10 fixed thresholds counted per year at Sondrestrom (GLW00016504): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Sondrestrom Thresholds
- Sondrestrom: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1949 with 194.
- Sondrestrom: nights with a minimum temperature at or below 0 C (32 F) in 63 years, most in 1992 with 273.
- Sondrestrom: nights with a minimum temperature at or below -10 C (14 F) in 63 years, most in 1984 with 193.
- Sondrestrom: nights with a minimum temperature at or below -20 C (-4 F) in 63 years, most in 1984 with 129.
- 10 fixed thresholds have at least one qualifying day at Sondrestrom.
Nights at or below 0 C (32 F)
63 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1949 | 248 | 248 |
| 1952 | 243 | 242.6 |
| 1953 | 237 | 242.6 |
| 1954 | 234 | 242.6 |
| 1955 | 241 | 242.6 |
| 1956 | 261 | 242.6 |
| 1957 | 229 | 242.6 |
| 1958 | 252 | 242.6 |
| 1959 | 244 | 242.6 |
| 1960 | 244 | 244.9 |
| 1961 | 249 | 244.9 |
| 1962 | 243 | 244.9 |
| 1963 | 271 | 244.9 |
| 1964 | 250 | 244.9 |
| 1965 | 240 | 244.9 |
| 1966 | 250 | 244.9 |
| 1967 | 248 | 244.9 |
| 1968 | 220 | 244.9 |
| 1969 | 234 | 244.9 |
| 1970 | 244 | 244.8 |
| 1976 | 243 | 244.8 |
| 1977 | 236 | 244.8 |
| 1978 | 253 | 244.8 |
| 1979 | 248 | 244.8 |
| 1980 | 243 | 245.8 |
| 1981 | 248 | 245.8 |
| 1983 | 249 | 245.8 |
| 1984 | 257 | 245.8 |
| 1985 | 229 | 245.8 |
| 1986 | 251 | 245.8 |
| 1987 | 239 | 245.8 |
| 1988 | 244 | 245.8 |
| 1989 | 252 | 245.8 |
| 1990 | 241 | 239.3 |
| 1991 | 246 | 239.3 |
| 1992 | 273 | 239.3 |
| 1993 | 233 | 239.3 |
| 1994 | 245 | 239.3 |
| 1995 | 224 | 239.3 |
| 1996 | 237 | 239.3 |
| 1997 | 223 | 239.3 |
| 1998 | 231 | 239.3 |
| 1999 | 240 | 239.3 |
| 2000 | 226 | 231.8 |
| 2001 | 230 | 231.8 |
| 2002 | 241 | 231.8 |
| 2003 | 218 | 231.8 |
| 2004 | 227 | 231.8 |
| 2005 | 233 | 231.8 |
| 2006 | 223 | 231.8 |
| 2007 | 248 | 231.8 |
| 2008 | 230 | 231.8 |
| 2009 | 242 | 231.8 |
| 2010 | 206 | 235.1 |
| 2011 | 254 | 235.1 |
| 2012 | 222 | 235.1 |
| 2014 | 245 | 235.1 |
| 2015 | 250 | 235.1 |
| 2016 | 224 | 235.1 |
| 2017 | 238 | 235.1 |
| 2018 | 254 | 235.1 |
| 2019 | 223 | 235.1 |
| 2020 | 227 | 227 |
| Year | First date | Last date |
|---|---|---|
| 1949 | 1949-01-01 | 1949-12-31 |
| 1952 | 1952-01-01 | 1952-12-31 |
| 1953 | 1953-01-01 | 1953-12-31 |
| 1954 | 1954-01-01 | 1954-12-31 |
| 1955 | 1955-01-01 | 1955-12-31 |
| 1956 | 1956-01-01 | 1956-12-31 |
| 1957 | 1957-01-01 | 1957-12-31 |
| 1958 | 1958-01-01 | 1958-12-31 |
| 1959 | 1959-01-01 | 1959-12-31 |
| 1960 | 1960-01-01 | 1960-12-31 |
| 1961 | 1961-01-01 | 1961-12-31 |
| 1962 | 1962-01-01 | 1962-12-31 |
| 1963 | 1963-01-01 | 1963-12-31 |
| 1964 | 1964-01-01 | 1964-12-31 |
| 1965 | 1965-01-01 | 1965-12-31 |
| 1966 | 1966-01-01 | 1966-12-31 |
| 1967 | 1967-01-01 | 1967-12-31 |
| 1968 | 1968-01-01 | 1968-12-31 |
| 1969 | 1969-01-01 | 1969-12-31 |
| 1970 | 1970-01-01 | 1970-12-31 |
| 1976 | 1976-01-01 | 1976-12-31 |
| 1977 | 1977-01-01 | 1977-12-31 |
| 1978 | 1978-01-01 | 1978-12-31 |
| 1979 | 1979-01-02 | 1979-12-31 |
| 1980 | 1980-01-01 | 1980-12-31 |
| 1981 | 1981-01-01 | 1981-12-31 |
| 1983 | 1983-01-03 | 1983-12-31 |
| 1984 | 1984-01-01 | 1984-12-31 |
| 1985 | 1985-01-01 | 1985-12-31 |
| 1986 | 1986-01-01 | 1986-12-31 |
| 1987 | 1987-01-01 | 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 | 1998-12-31 |
| 1999 | 1999-01-01 | 1999-12-31 |
| 2000 | 2000-01-01 | 2000-12-31 |
| 2001 | 2001-01-01 | 2001-12-31 |
| 2002 | 2002-01-01 | 2002-12-31 |
| 2003 | 2003-01-03 | 2003-12-31 |
| 2004 | 2004-01-02 | 2004-12-31 |
| 2005 | 2005-01-01 | 2005-12-31 |
| 2006 | 2006-01-01 | 2006-12-31 |
| 2007 | 2007-01-01 | 2007-12-31 |
| 2008 | 2008-01-01 | 2008-12-31 |
| 2009 | 2009-01-01 | 2009-12-31 |
| 2010 | 2010-01-02 | 2010-12-31 |
| 2011 | 2011-01-01 | 2011-12-31 |
| 2012 | 2012-01-01 | 2012-12-31 |
| 2014 | 2014-01-01 | 2014-12-31 |
| 2015 | 2015-01-01 | 2015-12-31 |
| 2016 | 2016-01-01 | 2016-12-31 |
| 2017 | 2017-01-01 | 2017-12-31 |
| 2018 | 2018-01-01 | 2018-12-31 |
| 2019 | 2019-01-01 | 2019-12-30 |
| 2020 | 2020-01-01 | 2020-12-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 0 C (32 F): Ice days (max | 63 | 194 | 1949 | 153 |
| 0 C (32 F): Frost days (min | 63 | 273 | 1992 | 227 |
| -10 C (14 F): Days with min | 63 | 193 | 1984 | 147 |
| -20 C (-4 F): Days with min | 63 | 129 | 1984 | 79 |
| -30 C (-22 F): Days with min | 63 | 76 | 1993 | 35 |
| -40 C (-40 F): Days with min | 31 | 26 | 1984 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 56 | 11 | 1996 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 12 | 2 | 1997 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 15 | 4 | 1968 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1957 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.
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).