National Rankings

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Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Precipitation Rankings, April 1965

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
April 1965 1-Month	2.52" (64.01mm)	2.52" (64.01mm)	0.00" (0.00mm)	64th Driest	Driest since: 1963	1987
	2.52" (64.01mm)	2.52" (64.01mm)	0.00" (0.00mm)	66th Wettest	Wettest since: 1964	1957
	Ties: 1982, 2020
Mar–Apr 1965 2-Month	4.68" (118.87mm)	5.03" (127.76mm)	-0.35" (-8.89mm)	45th Driest	Driest since: 1962	1910
	4.68" (118.87mm)	5.03" (127.76mm)	-0.35" (-8.89mm)	85th Wettest	Wettest since: 1964	1973
	Ties: 2010
Feb–Apr 1965 3-Month	6.84" (173.74mm)	7.16" (181.86mm)	-0.32" (-8.12mm)	51st Driest	Driest since: 1963	1910
Feb–Apr 1965 3-Month	6.84" (173.74mm)	7.16" (181.86mm)	-0.32" (-8.12mm)	79th Wettest	Wettest since: 1964	1983
Jan–Apr 1965 4-Month	9.18" (233.17mm)	9.48" (240.79mm)	-0.30" (-7.62mm)	58th Driest	Driest since: 1963	1910
	9.18" (233.17mm)	9.48" (240.79mm)	-0.30" (-7.62mm)	72nd Wettest	Wettest since: 1964	1998
	Ties: 1970
Dec 1964–Apr 1965 5-Month	12.51" (317.75mm)	11.82" (300.23mm)	0.69" (17.52mm)	96th Driest	Driest since: 1964	1931
	12.51" (317.75mm)	11.82" (300.23mm)	0.69" (17.52mm)	33rd Wettest	Wettest since: 1958	1983
	Ties: 1982
Nov 1964–Apr 1965 6-Month	14.89" (378.21mm)	14.05" (356.87mm)	0.84" (21.34mm)	98th Driest	Driest since: 1964	1977
Nov 1964–Apr 1965 6-Month	14.89" (378.21mm)	14.05" (356.87mm)	0.84" (21.34mm)	31st Wettest	Wettest since: 1958	1983
Oct 1964–Apr 1965 7-Month	16.25" (412.75mm)	16.22" (411.99mm)	0.03" (0.76mm)	67th Driest	Driest since: 1964	1981
	16.25" (412.75mm)	16.22" (411.99mm)	0.03" (0.76mm)	62nd Wettest	Wettest since: 1960	1983
	Ties: 1906
Sep 1964–Apr 1965 8-Month	18.79" (477.27mm)	18.71" (475.23mm)	0.08" (2.04mm)	68th Driest	Driest since: 1964	1918
Sep 1964–Apr 1965 8-Month	18.79" (477.27mm)	18.71" (475.23mm)	0.08" (2.04mm)	61st Wettest	Wettest since: 1962	2019
Aug 1964–Apr 1965 9-Month	21.66" (550.16mm)	21.33" (541.78mm)	0.33" (8.38mm)	77th Driest	Driest since: 1964	1918
	21.66" (550.16mm)	21.33" (541.78mm)	0.33" (8.38mm)	52nd Wettest	Wettest since: 1960	2019
	Ties: 1948
Jul 1964–Apr 1965 10-Month	24.27" (616.46mm)	24.12" (612.65mm)	0.15" (3.81mm)	72nd Driest	Driest since: 1964	1931
	24.27" (616.46mm)	24.12" (612.65mm)	0.15" (3.81mm)	57th Wettest	Wettest since: 1962	2019
	Ties: 1947, 1996
Jun 1964–Apr 1965 11-Month	27.08" (687.83mm)	27.04" (686.82mm)	0.04" (1.01mm)	58th Driest	Driest since: 1964	1931
Jun 1964–Apr 1965 11-Month	27.08" (687.83mm)	27.04" (686.82mm)	0.04" (1.01mm)	71st Wettest	Wettest since: 1962	2019
May 1964–Apr 1965 12-Month	29.33" (744.98mm)	29.95" (760.73mm)	-0.62" (-15.75mm)	45th Driest	Driest since: 1964	1918
May 1964–Apr 1965 12-Month	29.33" (744.98mm)	29.95" (760.73mm)	-0.62" (-15.75mm)	84th Wettest	Wettest since: 1962	2019
Nov 1963–Apr 1965 18-Month	43.58" (1,106.93mm)	44.02" (1,118.11mm)	-0.44" (-11.18mm)	52nd Driest	Driest since: 1964	1931
Nov 1963–Apr 1965 18-Month	43.58" (1,106.93mm)	44.02" (1,118.11mm)	-0.44" (-11.18mm)	76th Wettest	Wettest since: 1962	2020
May 1963–Apr 1965 24-Month	57.07" (1,449.58mm)	59.92" (1,521.97mm)	-2.85" (-72.39mm)	25th Driest	Driest since: 1964	1955
	57.07" (1,449.58mm)	59.92" (1,521.97mm)	-2.85" (-72.39mm)	103rd Wettest	Wettest since: 1963	2020
	Ties: 1902
May 1962–Apr 1965 36-Month	84.73" (2,152.14mm)	89.88" (2,282.95mm)	-5.15" (-130.81mm)	12th Driest	Driest since: 1957	1955
May 1962–Apr 1965 36-Month	84.73" (2,152.14mm)	89.88" (2,282.95mm)	-5.15" (-130.81mm)	115th Wettest	Wettest since: 1964	2020
May 1961–Apr 1965 48-Month	115.27" (2,927.86mm)	119.77" (3,042.16mm)	-4.50" (-114.30mm)	19th Driest	Driest since: 1958	1956
May 1961–Apr 1965 48-Month	115.27" (2,927.86mm)	119.77" (3,042.16mm)	-4.50" (-114.30mm)	107th Wettest	Wettest since: 1964	2019
May 1960–Apr 1965 60-Month	144.62" (3,673.35mm)	149.63" (3,800.60mm)	-5.01" (-127.25mm)	20th Driest	Driest since: 1959	1957
May 1960–Apr 1965 60-Month	144.62" (3,673.35mm)	149.63" (3,800.60mm)	-5.01" (-127.25mm)	105th Wettest	Wettest since: 1964	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2023, retrieved on May 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings