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 1906

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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
April 1906 1-Month	2.08" (52.83mm)	2.52" (64.01mm)	-0.44" (-11.18mm)	20th Driest	Driest since: 1903	1987
	2.08" (52.83mm)	2.52" (64.01mm)	-0.44" (-11.18mm)	109th Wettest	Wettest since: 1905	1957
	Ties: 1950
Mar–Apr 1906 2-Month	5.34" (135.64mm)	5.03" (127.76mm)	0.31" (7.88mm)	91st Driest	Driest since: 1904	1910
Mar–Apr 1906 2-Month	5.34" (135.64mm)	5.03" (127.76mm)	0.31" (7.88mm)	38th Wettest	Wettest since: 1905	1973
Feb–Apr 1906 3-Month	7.06" (179.32mm)	7.16" (181.86mm)	-0.10" (-2.54mm)	71st Driest	Driest since: 1901	1910
Feb–Apr 1906 3-Month	7.06" (179.32mm)	7.16" (181.86mm)	-0.10" (-2.54mm)	58th Wettest	Wettest since: 1905	1983
Jan–Apr 1906 4-Month	9.59" (243.59mm)	9.48" (240.79mm)	0.11" (2.80mm)	74th Driest	Driest since: 1904	1910
Jan–Apr 1906 4-Month	9.59" (243.59mm)	9.48" (240.79mm)	0.11" (2.80mm)	55th Wettest	Wettest since: 1905	1998
Dec 1905–Apr 1906 5-Month	11.89" (302.01mm)	11.82" (300.23mm)	0.07" (1.78mm)	71st Driest	Driest since: 1904	1931
	11.89" (302.01mm)	11.82" (300.23mm)	0.07" (1.78mm)	57th Wettest	Wettest since: 1905	1983
	Ties: 2013
Nov 1905–Apr 1906 6-Month	14.08" (357.63mm)	14.05" (356.87mm)	0.03" (0.76mm)	73rd Driest	Driest since: 1905	1977
Nov 1905–Apr 1906 6-Month	14.08" (357.63mm)	14.05" (356.87mm)	0.03" (0.76mm)	55th Wettest	Wettest since: 1903	1983
Oct 1905–Apr 1906 7-Month	16.25" (412.75mm)	16.22" (411.99mm)	0.03" (0.76mm)	67th Driest	Driest since: 1905	1981
	16.25" (412.75mm)	16.22" (411.99mm)	0.03" (0.76mm)	61st Wettest	Wettest since: 1903	1983
	Ties: 1965
Sep 1905–Apr 1906 8-Month	18.82" (478.03mm)	18.71" (475.23mm)	0.11" (2.80mm)	70th Driest	Driest since: 1905	1918
Sep 1905–Apr 1906 8-Month	18.82" (478.03mm)	18.71" (475.23mm)	0.11" (2.80mm)	58th Wettest	Wettest since: 1903	2019
Aug 1905–Apr 1906 9-Month	21.36" (542.54mm)	21.33" (541.78mm)	0.03" (0.76mm)	63rd Driest	Driest since: 1905	1918
	21.36" (542.54mm)	21.33" (541.78mm)	0.03" (0.76mm)	65th Wettest	Wettest since: 1903	2019
	Ties: 1899
Jul 1905–Apr 1906 10-Month	24.88" (631.95mm)	24.12" (612.65mm)	0.76" (19.30mm)	86th Driest	Driest since: 1905	1931
	24.88" (631.95mm)	24.12" (612.65mm)	0.76" (19.30mm)	42nd Wettest	Wettest since: 1903	2019
	Ties: 1938
Jun 1905–Apr 1906 11-Month	28.18" (715.77mm)	27.04" (686.82mm)	1.14" (28.95mm)	92nd Driest	Driest since: 1905	1931
Jun 1905–Apr 1906 11-Month	28.18" (715.77mm)	27.04" (686.82mm)	1.14" (28.95mm)	36th Wettest	Wettest since: 1903	2019
May 1905–Apr 1906 12-Month	31.92" (810.77mm)	29.95" (760.73mm)	1.97" (50.04mm)	102nd Driest	Driest since: 1905	1918
May 1905–Apr 1906 12-Month	31.92" (810.77mm)	29.95" (760.73mm)	1.97" (50.04mm)	26th Wettest	Wettest since: 1903	2019
Nov 1904–Apr 1906 18-Month	45.37" (1,152.40mm)	44.02" (1,118.11mm)	1.35" (34.29mm)	88th Driest	Driest since: 1905	1931
Nov 1904–Apr 1906 18-Month	45.37" (1,152.40mm)	44.02" (1,118.11mm)	1.35" (34.29mm)	39th Wettest	Wettest since: 1897	2020
May 1904–Apr 1906 24-Month	60.68" (1,541.27mm)	59.92" (1,521.97mm)	0.76" (19.30mm)	71st Driest	Driest since: 1905	1955
	60.68" (1,541.27mm)	59.92" (1,521.97mm)	0.76" (19.30mm)	56th Wettest	Wettest since: 1904	2020
	Ties: 1913
May 1903–Apr 1906 36-Month	89.20" (2,265.68mm)	89.88" (2,282.95mm)	-0.68" (-17.27mm)	55th Driest	Driest since: 1904	1955
May 1903–Apr 1906 36-Month	89.20" (2,265.68mm)	89.88" (2,282.95mm)	-0.68" (-17.27mm)	71st Wettest	Wettest since: 1905	2020
May 1902–Apr 1906 48-Month	121.37" (3,082.80mm)	119.77" (3,042.16mm)	1.60" (40.64mm)	72nd Driest	Driest since: 1905	1956
May 1902–Apr 1906 48-Month	121.37" (3,082.80mm)	119.77" (3,042.16mm)	1.60" (40.64mm)	53rd Wettest	Wettest to Date	2019
May 1901–Apr 1906 60-Month	148.82" (3,780.03mm)	149.63" (3,800.60mm)	-0.81" (-20.57mm)	54th Driest	Driest since: 1905	1957
May 1901–Apr 1906 60-Month	148.82" (3,780.03mm)	149.63" (3,800.60mm)	-0.81" (-20.57mm)	70th Wettest	Wettest since: 1903	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings