Flagstaff - Extreme Daily Precipitation for Each Year





This page lists the biggest rainstorms or snowstorms of the year in Flagstaff, Arizona along with the date they occurred. The information answers questions like: When was the last time more than three inches of precipitation landed on Flagstaff in a single day? What was the rainiest day of 2019?

The list gives the highest daily precipitation for each year in Flagstaff 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 Flagstaff Pulliam Airport and go back to 1951. During that time the heaviest downpour measured for a single day was 3.93 inches (99.8 millimetres) on February 19, 1993.

Most precipitation in one day for recent years in Flagstaff
Inches Date Milli­metres
1.80 July 24, 2021   45.7
1.00 March 18, 2020   25.4
2.00 November 29, 2019 + 50.8
2.30 October 02, 2018 58.4
1.79 July 23, 2017 45.5
1.48 December 22, 2016 37.6
1.98 March 01, 2015 50.3
1.89 July 04, 2014 48.0
1.76 July 02, 2013 44.7
1.39 March 18, 2012 35.3
2.33 February 19, 2011 59.2
3.39 January 21, 2010 86.1
Highest daily precipitation recorded at Flagstaff each year
Inches Date Milli­metres
1.75 December 07, 2009 44.5
1.28 January 27, 2008 32.5
1.58 December 07, 2007 40.1
1.14 July 29, 2006 29.0
1.57 January 04, 2005 39.9
3.33 December 29, 2004 84.6
2.00 November 12, 2003 50.8
1.12 September 10, 2002 28.4
1.10 August 09, 2001 27.9
0.85 March 06, 2000 21.6
1.50 September 14, 1999 38.1
1.48 October 25, 1998 37.6
1.35 September 26, 1997 34.3
0.89 September 13, 1996 22.6
2.02 February 14, 1995 51.3
1994
3.93 February 19, 1993 99.8
2.75 August 22, 1992 69.9
2.05 March 01, 1991 52.1
1.63 September 18, 1990 41.4
1.27 August 17, 1989 32.3
1.62 August 23, 1988 41.1
1.99 August 12, 1987 50.5
3.04 August 13, 1986 77.2
2.00 November 25, 1985 50.8
1.37 July 24, 1984 34.8
2.71 September 23, 1983 68.8
2.13 November 30, 1982 54.1
1.33 November 28, 1981 + 33.8
2.37 February 14, 1980 60.2
1.83 January 17, 1979 46.5
3.21 November 11, 1978 81.5
1.40 August 09, 1977 35.6
2.29 February 05, 1976 58.2
1.86 November 28, 1975 47.2
1.15 January 05, 1974 29.2
0.90 March 12, 1973 22.9
1.70 October 06, 1972 43.2
1.83 December 26, 1971 46.5
2.84 September 05, 1970 72.1
1.61 July 26, 1969 40.9
1.34 October 03, 1968 34.0
2.32 December 19, 1967 58.9
2.87 December 06, 1966 72.9
2.11 September 18, 1965 53.6
2.55 July 15, 1964 64.8
1.79 August 31, 1963 45.5
1.51 July 22, 1962 38.4
1.36 October 08, 1961 34.5
1.61 August 22, 1960 40.9
1.85 October 01, 1959 47.0
1.79 September 28, 1958 45.5
1.50 January 08, 1957 38.1
2.40 June 29, 1956 61.0
1.58 June 13, 1955 40.1
1.28 March 22, 1954 32.5
1.30 November 17, 1953 + 33.0
1.73 January 18, 1952 43.9
2.95 December 30, 1951 74.9
Reference

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

Flagstaff - Extremes
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