National Rankings

Parameter:

Year:

Month:

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 1964

View Period (Months):

All

Download: CSV JSON XML

Record Driest

Bottom ⅒

Bottom ⅓

Normal

Top ⅓

Top ⅒

Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
April 1964 1-Month	3.29" (83.57mm)	2.52" (64.01mm)	0.77" (19.56mm)	119th Driest	Driest since: 1963	1987
April 1964 1-Month	3.29" (83.57mm)	2.52" (64.01mm)	0.77" (19.56mm)	10th Wettest	Wettest since: 1957	1957
Mar–Apr 1964 2-Month	6.12" (155.45mm)	5.03" (127.76mm)	1.09" (27.69mm)	119th Driest	Driest since: 1963	1910
Mar–Apr 1964 2-Month	6.12" (155.45mm)	5.03" (127.76mm)	1.09" (27.69mm)	10th Wettest	Wettest since: 1957	1973
Feb–Apr 1964 3-Month	7.68" (195.07mm)	7.16" (181.86mm)	0.52" (13.21mm)	93rd Driest	Driest since: 1963	1910
	7.68" (195.07mm)	7.16" (181.86mm)	0.52" (13.21mm)	36th Wettest	Wettest since: 1961	1983
	Ties: 1908, 2003
Jan–Apr 1964 4-Month	10.11" (256.79mm)	9.48" (240.79mm)	0.63" (16.00mm)	97th Driest	Driest since: 1963	1910
	10.11" (256.79mm)	9.48" (240.79mm)	0.63" (16.00mm)	32nd Wettest	Wettest since: 1958	1998
	Ties: 1909, 1999
Dec 1963–Apr 1964 5-Month	11.59" (294.39mm)	11.82" (300.23mm)	-0.23" (-5.84mm)	56th Driest	Driest since: 1963	1931
Dec 1963–Apr 1964 5-Month	11.59" (294.39mm)	11.82" (300.23mm)	-0.23" (-5.84mm)	72nd Wettest	Wettest since: 1962	1983
Nov 1963–Apr 1964 6-Month	14.25" (361.95mm)	14.05" (356.87mm)	0.20" (5.08mm)	79th Driest	Driest since: 1963	1977
Nov 1963–Apr 1964 6-Month	14.25" (361.95mm)	14.05" (356.87mm)	0.20" (5.08mm)	49th Wettest	Wettest since: 1962	1983
Oct 1963–Apr 1964 7-Month	15.21" (386.33mm)	16.22" (411.99mm)	-1.01" (-25.66mm)	32nd Driest	Driest since: 1963	1981
Oct 1963–Apr 1964 7-Month	15.21" (386.33mm)	16.22" (411.99mm)	-1.01" (-25.66mm)	96th Wettest	Wettest since: 1962	1983
Sep 1963–Apr 1964 8-Month	17.42" (442.47mm)	18.71" (475.23mm)	-1.29" (-32.76mm)	28th Driest	Driest since: 1963	1918
Sep 1963–Apr 1964 8-Month	17.42" (442.47mm)	18.71" (475.23mm)	-1.29" (-32.76mm)	100th Wettest	Wettest since: 1962	2019
Aug 1963–Apr 1964 9-Month	19.75" (501.65mm)	21.33" (541.78mm)	-1.58" (-40.13mm)	27th Driest	Driest since: 1963	1918
Aug 1963–Apr 1964 9-Month	19.75" (501.65mm)	21.33" (541.78mm)	-1.58" (-40.13mm)	101st Wettest	Wettest since: 1962	2019
Jul 1963–Apr 1964 10-Month	22.44" (569.98mm)	24.12" (612.65mm)	-1.68" (-42.67mm)	22nd Driest	Driest since: 1963	1931
Jul 1963–Apr 1964 10-Month	22.44" (569.98mm)	24.12" (612.65mm)	-1.68" (-42.67mm)	106th Wettest	Wettest since: 1962	2019
Jun 1963–Apr 1964 11-Month	25.38" (644.65mm)	27.04" (686.82mm)	-1.66" (-42.17mm)	25th Driest	Driest since: 1963	1931
	25.38" (644.65mm)	27.04" (686.82mm)	-1.66" (-42.17mm)	103rd Wettest	Wettest since: 1962	2019
	Ties: 1910, 2021
May 1963–Apr 1964 12-Month	27.74" (704.60mm)	29.95" (760.73mm)	-2.21" (-56.13mm)	20th Driest	Driest since: 1963	1918
May 1963–Apr 1964 12-Month	27.74" (704.60mm)	29.95" (760.73mm)	-2.21" (-56.13mm)	108th Wettest	Wettest since: 1962	2019
Nov 1962–Apr 1964 18-Month	39.44" (1,001.78mm)	44.02" (1,118.11mm)	-4.58" (-116.33mm)	7th Driest	Driest since: 1955	1931
Nov 1962–Apr 1964 18-Month	39.44" (1,001.78mm)	44.02" (1,118.11mm)	-4.58" (-116.33mm)	120th Wettest	Wettest since: 1963	2020
May 1962–Apr 1964 24-Month	55.40" (1,407.16mm)	59.92" (1,521.97mm)	-4.52" (-114.81mm)	14th Driest	Driest since: 1957	1955
May 1962–Apr 1964 24-Month	55.40" (1,407.16mm)	59.92" (1,521.97mm)	-4.52" (-114.81mm)	113th Wettest	Wettest since: 1963	2020
May 1961–Apr 1964 36-Month	85.94" (2,182.88mm)	89.88" (2,282.95mm)	-3.94" (-100.07mm)	20th Driest	Driest since: 1957	1955
May 1961–Apr 1964 36-Month	85.94" (2,182.88mm)	89.88" (2,282.95mm)	-3.94" (-100.07mm)	106th Wettest	Wettest since: 1963	2020
May 1960–Apr 1964 48-Month	115.29" (2,928.37mm)	119.77" (3,042.16mm)	-4.48" (-113.79mm)	21st Driest	Driest since: 1958	1956
May 1960–Apr 1964 48-Month	115.29" (2,928.37mm)	119.77" (3,042.16mm)	-4.48" (-113.79mm)	104th Wettest	Wettest since: 1963	2019
May 1959–Apr 1964 60-Month	146.19" (3,713.23mm)	149.63" (3,800.60mm)	-3.44" (-87.37mm)	32nd Driest	Driest since: 1959	1957
May 1959–Apr 1964 60-Month	146.19" (3,713.23mm)	149.63" (3,800.60mm)	-3.44" (-87.37mm)	92nd Wettest	Wettest since: 1963	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings