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, October 1968

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1968 1-Month	2.07" (52.58mm)	2.16" (54.86mm)	-0.09" (-2.28mm)	50th Driest	Driest since: 1966	1952
October 1968 1-Month	2.07" (52.58mm)	2.16" (54.86mm)	-0.09" (-2.28mm)	79th Wettest	Wettest since: 1967	2009
Sep–Oct 1968 2-Month	4.38" (111.25mm)	4.65" (118.11mm)	-0.27" (-6.86mm)	40th Driest	Driest since: 1966	1952
Sep–Oct 1968 2-Month	4.38" (111.25mm)	4.65" (118.11mm)	-0.27" (-6.86mm)	89th Wettest	Wettest since: 1967	2018
Aug–Oct 1968 3-Month	7.26" (184.40mm)	7.27" (184.66mm)	-0.01" (-0.26mm)	59th Driest	Driest since: 1966	1952
	7.26" (184.40mm)	7.27" (184.66mm)	-0.01" (-0.26mm)	70th Wettest	Wettest since: 1967	2018
	Ties: 2010
Jul–Oct 1968 4-Month	10.03" (254.76mm)	10.05" (255.27mm)	-0.02" (-0.51mm)	54th Driest	Driest since: 1966	1952
Jul–Oct 1968 4-Month	10.03" (254.76mm)	10.05" (255.27mm)	-0.02" (-0.51mm)	75th Wettest	Wettest since: 1967	1941
Jun–Oct 1968 5-Month	13.15" (334.01mm)	12.97" (329.44mm)	0.18" (4.57mm)	60th Driest	Driest since: 1966	1952
	13.15" (334.01mm)	12.97" (329.44mm)	0.18" (4.57mm)	69th Wettest	Wettest since: 1967	1941
	Ties: 1932
May–Oct 1968 6-Month	16.48" (418.59mm)	15.88" (403.35mm)	0.60" (15.24mm)	75th Driest	Driest since: 1966	1952
May–Oct 1968 6-Month	16.48" (418.59mm)	15.88" (403.35mm)	0.60" (15.24mm)	54th Wettest	Wettest since: 1967	1941
Apr–Oct 1968 7-Month	18.94" (481.08mm)	18.40" (467.36mm)	0.54" (13.72mm)	75th Driest	Driest since: 1966	1952
	18.94" (481.08mm)	18.40" (467.36mm)	0.54" (13.72mm)	54th Wettest	Wettest since: 1967	1941
	Ties: 1983
Mar–Oct 1968 8-Month	21.10" (535.94mm)	20.91" (531.11mm)	0.19" (4.83mm)	61st Driest	Driest since: 1966	1956
Mar–Oct 1968 8-Month	21.10" (535.94mm)	20.91" (531.11mm)	0.19" (4.83mm)	68th Wettest	Wettest since: 1967	2019
Feb–Oct 1968 9-Month	22.58" (573.53mm)	23.04" (585.22mm)	-0.46" (-11.69mm)	46th Driest	Driest since: 1966	1934
Feb–Oct 1968 9-Month	22.58" (573.53mm)	23.04" (585.22mm)	-0.46" (-11.69mm)	83rd Wettest	Wettest since: 1967	2019
Jan–Oct 1968 10-Month	24.75" (628.65mm)	25.36" (644.14mm)	-0.61" (-15.49mm)	38th Driest	Driest since: 1966	1934
Jan–Oct 1968 10-Month	24.75" (628.65mm)	25.36" (644.14mm)	-0.61" (-15.49mm)	91st Wettest	Wettest since: 1967	2019
Dec 1967–Oct 1968 11-Month	27.81" (706.37mm)	27.70" (703.58mm)	0.11" (2.79mm)	64th Driest	Driest since: 1967	1931
Dec 1967–Oct 1968 11-Month	27.81" (706.37mm)	27.70" (703.58mm)	0.11" (2.79mm)	64th Wettest	Wettest since: 1965	2019
Nov 1967–Oct 1968 12-Month	29.42" (747.27mm)	29.93" (760.22mm)	-0.51" (-12.95mm)	45th Driest	Driest since: 1966	1934
	29.42" (747.27mm)	29.93" (760.22mm)	-0.51" (-12.95mm)	83rd Wettest	Wettest since: 1967	2019
	Ties: 1897, 1914
May 1967–Oct 1968 18-Month	46.19" (1,173.23mm)	45.83" (1,164.08mm)	0.36" (9.15mm)	64th Driest	Driest since: 1967	1931
May 1967–Oct 1968 18-Month	46.19" (1,173.23mm)	45.83" (1,164.08mm)	0.36" (9.15mm)	64th Wettest	Wettest since: 1962	2019
Nov 1966–Oct 1968 24-Month	58.90" (1,496.06mm)	59.90" (1,521.46mm)	-1.00" (-25.40mm)	43rd Driest	Driest since: 1967	1931
Nov 1966–Oct 1968 24-Month	58.90" (1,496.06mm)	59.90" (1,521.46mm)	-1.00" (-25.40mm)	84th Wettest	Wettest since: 1965	2019
Nov 1965–Oct 1968 36-Month	85.97" (2,183.64mm)	89.86" (2,282.44mm)	-3.89" (-98.80mm)	23rd Driest	Driest since: 1965	1956
Nov 1965–Oct 1968 36-Month	85.97" (2,183.64mm)	89.86" (2,282.44mm)	-3.89" (-98.80mm)	103rd Wettest	Wettest since: 1967	2019
Nov 1964–Oct 1968 48-Month	117.32" (2,979.93mm)	119.78" (3,042.41mm)	-2.46" (-62.48mm)	37th Driest	Driest since: 1967	1956
Nov 1964–Oct 1968 48-Month	117.32" (2,979.93mm)	119.78" (3,042.41mm)	-2.46" (-62.48mm)	88th Wettest	Wettest since: 1962	2019
Nov 1963–Oct 1968 60-Month	146.01" (3,708.65mm)	149.66" (3,801.36mm)	-3.65" (-92.71mm)	28th Driest	Driest since: 1967	1934
Nov 1963–Oct 1968 60-Month	146.01" (3,708.65mm)	149.66" (3,801.36mm)	-3.65" (-92.71mm)	96th Wettest	Wettest since: 1962	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings