Dutch Harbor Threshold Days by Year (USC00502587)
10 fixed thresholds counted per year at Dutch Harbor (USC00502587): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Dutch Harbor Thresholds
- Dutch Harbor: days with a maximum temperature at or below 0 C (32 F) in 54 years, most in 1920 with 51.
- Dutch Harbor: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 1998 with 71.
- Dutch Harbor: nights with a minimum temperature at or below 0 C (32 F) in 52 years, most in 1994 with 184.
- Dutch Harbor: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1998 with 27.
- 10 fixed thresholds have at least one qualifying day at Dutch Harbor.
Nights at or below 0 C (32 F)
52 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1916 | 178 | 157 |
| 1918 | 155 | 157 |
| 1919 | 138 | 157 |
| 1920 | 137 | 140.3 |
| 1921 | 129 | 140.3 |
| 1922 | 124 | 140.3 |
| 1923 | 151 | 140.3 |
| 1926 | 151 | 140.3 |
| 1927 | 155 | 140.3 |
| 1928 | 177 | 140.3 |
| 1929 | 98 | 140.3 |
| 1930 | 132 | 127.3 |
| 1931 | 126 | 127.3 |
| 1932 | 140 | 127.3 |
| 1933 | 135 | 127.3 |
| 1934 | 126 | 127.3 |
| 1935 | 105 | 127.3 |
| 1936 | 103 | 127.3 |
| 1937 | 114 | 127.3 |
| 1938 | 135 | 127.3 |
| 1939 | 157 | 127.3 |
| 1940 | 97 | 95 |
| 1941 | 93 | 95 |
| 1951 | 98 | 121.3 |
| 1952 | 139 | 121.3 |
| 1953 | 127 | 121.3 |
| 1991 | 150 | 137.6 |
| 1992 | 173 | 137.6 |
| 1993 | 142 | 137.6 |
| 1994 | 184 | 137.6 |
| 1995 | 118 | 137.6 |
| 1996 | 93 | 137.6 |
| 1997 | 126 | 137.6 |
| 1998 | 115 | 137.6 |
| 2000 | 131 | 104.1 |
| 2002 | 98 | 104.1 |
| 2003 | 86 | 104.1 |
| 2004 | 112 | 104.1 |
| 2005 | 90 | 104.1 |
| 2006 | 117 | 104.1 |
| 2007 | 97 | 104.1 |
| 2009 | 102 | 104.1 |
| 2010 | 111 | 88.8 |
| 2011 | 96 | 88.8 |
| 2012 | 141 | 88.8 |
| 2013 | 104 | 88.8 |
| 2014 | 70 | 88.8 |
| 2015 | 61 | 88.8 |
| 2016 | 75 | 88.8 |
| 2019 | 52 | 88.8 |
| 2020 | 71 | 66 |
| 2022 | 61 | 66 |
| Year | First date | Last date |
|---|---|---|
| 1916 | 1916-01-01 | 1916-12-31 |
| 1918 | 1918-01-01 | 1918-12-31 |
| 1919 | 1919-01-01 | 1919-12-31 |
| 1920 | 1920-01-01 | 1920-12-31 |
| 1921 | 1921-01-01 | 1921-12-31 |
| 1922 | 1922-01-01 | 1922-12-31 |
| 1923 | 1923-01-01 | 1923-12-31 |
| 1926 | 1926-01-01 | 1926-12-31 |
| 1927 | 1927-01-01 | 1927-12-30 |
| 1928 | 1928-01-01 | 1928-12-31 |
| 1929 | 1929-01-06 | 1929-12-31 |
| 1930 | 1930-01-01 | 1930-12-31 |
| 1931 | 1931-01-01 | 1931-12-30 |
| 1932 | 1932-01-01 | 1932-12-30 |
| 1933 | 1933-01-01 | 1933-12-23 |
| 1934 | 1934-01-01 | 1934-12-31 |
| 1935 | 1935-01-01 | 1935-12-23 |
| 1936 | 1936-01-02 | 1936-12-23 |
| 1937 | 1937-01-02 | 1937-12-31 |
| 1938 | 1938-01-01 | 1938-12-31 |
| 1939 | 1939-01-01 | 1939-12-31 |
| 1940 | 1940-01-01 | 1940-12-30 |
| 1941 | 1941-01-03 | 1941-12-18 |
| 1951 | 1951-01-02 | 1951-12-31 |
| 1952 | 1952-01-01 | 1952-12-31 |
| 1953 | 1953-01-01 | 1953-12-31 |
| 1991 | 1991-01-11 | 1991-12-30 |
| 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 | 1996-11-30 |
| 1997 | 1997-01-01 | 1997-12-31 |
| 1998 | 1998-01-01 | 1998-12-31 |
| 2000 | 2000-01-01 | 2000-12-31 |
| 2002 | 2002-01-01 | 2002-12-31 |
| 2003 | 2003-01-01 | 2003-12-30 |
| 2004 | 2004-01-06 | 2004-12-30 |
| 2005 | 2005-01-02 | 2005-12-31 |
| 2006 | 2006-01-01 | 2006-12-31 |
| 2007 | 2007-01-01 | 2007-12-31 |
| 2009 | 2009-01-01 | 2009-12-23 |
| 2010 | 2010-01-03 | 2010-12-28 |
| 2011 | 2011-01-02 | 2011-12-31 |
| 2012 | 2012-01-01 | 2012-12-29 |
| 2013 | 2013-01-02 | 2013-12-29 |
| 2014 | 2014-01-08 | 2014-12-31 |
| 2015 | 2015-01-03 | 2015-12-23 |
| 2016 | 2016-01-03 | 2016-12-27 |
| 2019 | 2019-01-01 | 2019-12-31 |
| 2020 | 2020-01-01 | 2020-12-30 |
| 2022 | 2022-01-01 | 2022-12-30 |
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 | 54 | 51 | 1920 | 14 |
| 0 C (32 F): Frost days (min | 52 | 184 | 1994 | 61 |
| -10 C (14 F): Days with min | 36 | 17 | 1991 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 53 | 71 | 1998 | 3 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 52 | 27 | 1998 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 42 | 7 | 1991 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 1 | 1991 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 41 | 13 | 2000 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 10 | 3 | 1931 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 2 | 1931 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.
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 (2026-10-17).