Anchorage - Extreme Daily Precipitation for Each Year
This page lists the biggest rainstorms or snowstorms of the year in Anchorage, Alaska along with the date they occurred. The information answers questions like: When was the last time more than 1.5 inches of precipitation landed on Anchorage in a single day? What was the rainiest day of 2019?
The list gives the highest daily precipitation for each year in Anchorage and the date that it happened. A date with a plus sign beside it means the same amount of moisture also fell on at least one other day earlier that year.
These records were observed at the Ted Stevens International Airport near downtown Anchorage and go back to 1954. During that time the heaviest downpour measured for a single day was 2.76 inches (70.1 millimetres) on August 21, 1997.
| Inches | Date | Millimetres |
|---|---|---|
| 1.10 | August 16, 2023 | 27.9 |
| 1.48 | August 08, 2022 | 37.6 |
| 1.25 | August 08, 2021 | 31.8 |
| 0.91 | November 08, 2020 | 23.1 |
| 0.76 | May 26, 2019 | 19.3 |
| 1.12 | December 06, 2018 | 28.4 |
| 0.83 | August 16, 2017 | 21.1 |
| 1.06 | August 08, 2016 | 26.9 |
| 1.56 | September 29, 2015 | 39.6 |
| 1.15 | July 24, 2014 | 29.2 |
| 1.14 | September 25, 2013 | 29.0 |
| 1.41 | September 19, 2012 | 35.8 |
| 0.55 | August 31, 2011 | 14.0 |
| 1.05 | August 28, 2010 | 26.7 |
| Inches | Date | Millimetres |
|---|---|---|
| 0.57 | August 14, 2009 | 14.5 |
| 1.04 | September 16, 2008 | 26.4 |
| 0.89 | June 24, 2007 | 22.6 |
| 0.81 | August 19, 2006 | 20.6 |
| 0.99 | September 06, 2005 | 25.1 |
| 1.30 | September 30, 2004 | 33.0 |
| 1.32 | October 03, 2003 | 33.5 |
| 1.35 | October 01, 2002 | 34.3 |
| 1.52 | July 04, 2001 | 38.6 |
| 0.71 | September 21, 2000 | 18.0 |
| 1.35 | August 12, 1999 | 34.3 |
| 0.62 | December 04, 1998 | 15.7 |
| 2.76 | August 21, 1997 | 70.1 |
| 1.20 | October 30, 1996 | 30.5 |
| 0.98 | August 12, 1995 | 24.9 |
| 0.90 | June 24, 1994 | 22.9 |
| 0.88 | September 16, 1993 | 22.4 |
| 0.75 | October 26, 1992 | 19.1 |
| 1.30 | August 17, 1991 | 33.0 |
| 1.12 | September 22, 1990 | 28.4 |
| 2.71 | August 26, 1989 | 68.8 |
| 0.73 | June 06, 1988 | 18.5 |
| 1.10 | January 31, 1987 | 27.9 |
| 1.60 | October 10, 1986 | 40.6 |
| 0.99 | August 12, 1985 | 25.1 |
| 1.02 | September 29, 1984 | 25.9 |
| 0.86 | October 10, 1983 | 21.8 |
| 1.32 | September 13, 1982 | 33.5 |
| 1.00 | July 15, 1981 | 25.4 |
| 0.97 | May 30, 1980 | 24.6 |
| 0.91 | July 24, 1979 | 23.1 |
| 1.23 | June 14, 1978 | 31.2 |
| 0.85 | September 28, 1977 | 21.6 |
| 1.20 | September 20, 1976 | 30.5 |
| 1.19 | September 10, 1975 | 30.2 |
| 0.53 | September 23, 1974 | 13.5 |
| 1.09 | August 21, 1973 | 27.7 |
| 0.76 | September 29, 1972 | 19.3 |
| 0.84 | July 27, 1971 | 21.3 |
| 0.63 | December 23, 1970 | 16.0 |
| 1.21 | July 24, 1969 | 30.7 |
| 0.68 | May 30, 1968 | 17.3 |
| 0.77 | September 05, 1967 | 19.6 |
| 0.76 | September 12, 1966 | 19.3 |
| 0.64 | September 19, 1965 | 16.3 |
| 1.16 | November 18, 1964 | 29.5 |
| 0.75 | December 10, 1963 | 19.1 |
| 1.62 | June 12, 1962 | 41.1 |
| 1.21 | September 29, 1961 | 30.7 |
| 1.20 | September 11, 1960 | 30.5 |
| 1.11 | July 11, 1959 | 28.2 |
| 1.53 | July 16, 1958 | 38.9 |
| 0.77 | January 29, 1957 | 19.6 |
| 2.00 | July 31, 1956 | 50.8 |
| 1.39 | December 29, 1955 | 35.3 |
| 0.92 | August 12, 1954 | 23.4 |
Reference
Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information.