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, July 1958

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1958 1-Month	3.86" (98.04mm)	2.78" (70.61mm)	1.08" (27.43mm)	128th Driest	Driest since: 1957	1930
	3.86" (98.04mm)	2.78" (70.61mm)	1.08" (27.43mm)	1st Wettest	Wettest since: 1950	1950, 1958
	Ties: 1950
Jun–Jul 1958 2-Month	7.06" (179.32mm)	5.70" (144.78mm)	1.36" (34.54mm)	127th Driest	Driest since: 1957	1930
Jun–Jul 1958 2-Month	7.06" (179.32mm)	5.70" (144.78mm)	1.36" (34.54mm)	2nd Wettest	Wettest since: 1928	1928
May–Jul 1958 3-Month	9.52" (241.81mm)	8.62" (218.95mm)	0.90" (22.86mm)	107th Driest	Driest since: 1956	1988
May–Jul 1958 3-Month	9.52" (241.81mm)	8.62" (218.95mm)	0.90" (22.86mm)	22nd Wettest	Wettest since: 1957	2015
Apr–Jul 1958 4-Month	12.57" (319.28mm)	11.13" (282.70mm)	1.44" (36.58mm)	115th Driest	Driest since: 1956	1934
Apr–Jul 1958 4-Month	12.57" (319.28mm)	11.13" (282.70mm)	1.44" (36.58mm)	14th Wettest	Wettest since: 1957	2015
Mar–Jul 1958 5-Month	15.23" (386.84mm)	13.64" (346.46mm)	1.59" (40.38mm)	113th Driest	Driest since: 1956	1936
Mar–Jul 1958 5-Month	15.23" (386.84mm)	13.64" (346.46mm)	1.59" (40.38mm)	16th Wettest	Wettest since: 1957	1973
Feb–Jul 1958 6-Month	17.66" (448.56mm)	15.78" (400.81mm)	1.88" (47.75mm)	115th Driest	Driest since: 1956	1934
Feb–Jul 1958 6-Month	17.66" (448.56mm)	15.78" (400.81mm)	1.88" (47.75mm)	14th Wettest	Wettest since: 1957	2019
Jan–Jul 1958 7-Month	19.95" (506.73mm)	18.09" (459.49mm)	1.86" (47.24mm)	114th Driest	Driest since: 1956	1934
	19.95" (506.73mm)	18.09" (459.49mm)	1.86" (47.24mm)	15th Wettest	Wettest since: 1957	2019
	Ties: 1991
Dec 1957–Jul 1958 8-Month	22.35" (567.69mm)	20.43" (518.92mm)	1.92" (48.77mm)	110th Driest	Driest since: 1956	1931
	22.35" (567.69mm)	20.43" (518.92mm)	1.92" (48.77mm)	18th Wettest	Wettest since: 1957	2019
	Ties: 1908
Nov 1957–Jul 1958 9-Month	25.47" (646.94mm)	22.66" (575.56mm)	2.81" (71.38mm)	118th Driest	Driest since: 1957	1934
Nov 1957–Jul 1958 9-Month	25.47" (646.94mm)	22.66" (575.56mm)	2.81" (71.38mm)	10th Wettest	Wettest to Date	2019
Oct 1957–Jul 1958 10-Month	28.23" (717.04mm)	24.83" (630.68mm)	3.40" (86.36mm)	118th Driest	Driest since: 1957	1934
Oct 1957–Jul 1958 10-Month	28.23" (717.04mm)	24.83" (630.68mm)	3.40" (86.36mm)	10th Wettest	Wettest to Date	2019
Sep 1957–Jul 1958 11-Month	31.09" (789.69mm)	27.33" (694.18mm)	3.76" (95.51mm)	123rd Driest	Driest since: 1957	1934
Sep 1957–Jul 1958 11-Month	31.09" (789.69mm)	27.33" (694.18mm)	3.76" (95.51mm)	5th Wettest	Wettest to Date	2019
Aug 1957–Jul 1958 12-Month	33.28" (845.31mm)	29.95" (760.73mm)	3.33" (84.58mm)	117th Driest	Driest since: 1957	1918
Aug 1957–Jul 1958 12-Month	33.28" (845.31mm)	29.95" (760.73mm)	3.33" (84.58mm)	11th Wettest	Wettest since: 1927	2019
Feb 1957–Jul 1958 18-Month	51.69" (1,312.93mm)	45.74" (1,161.80mm)	5.95" (151.13mm)	126th Driest	Driest since: 1957	1931
Feb 1957–Jul 1958 18-Month	51.69" (1,312.93mm)	45.74" (1,161.80mm)	5.95" (151.13mm)	2nd Wettest	Wettest to Date	2019
Aug 1956–Jul 1958 24-Month	62.83" (1,595.88mm)	59.92" (1,521.97mm)	2.91" (73.91mm)	97th Driest	Driest since: 1957	1918
Aug 1956–Jul 1958 24-Month	62.83" (1,595.88mm)	59.92" (1,521.97mm)	2.91" (73.91mm)	30th Wettest	Wettest since: 1943	2020
Aug 1955–Jul 1958 36-Month	90.25" (2,292.35mm)	89.88" (2,282.95mm)	0.37" (9.40mm)	64th Driest	Driest since: 1957	1956
Aug 1955–Jul 1958 36-Month	90.25" (2,292.35mm)	89.88" (2,282.95mm)	0.37" (9.40mm)	62nd Wettest	Wettest since: 1951	2019
Aug 1954–Jul 1958 48-Month	117.30" (2,979.42mm)	119.78" (3,042.41mm)	-2.48" (-62.99mm)	36th Driest	Driest since: 1957	1956
Aug 1954–Jul 1958 48-Month	117.30" (2,979.42mm)	119.78" (3,042.41mm)	-2.48" (-62.99mm)	89th Wettest	Wettest since: 1953	2019
Aug 1953–Jul 1958 60-Month	142.68" (3,624.07mm)	149.64" (3,800.86mm)	-6.96" (-176.79mm)	12th Driest	Driest since: 1957	1934
Aug 1953–Jul 1958 60-Month	142.68" (3,624.07mm)	149.64" (3,800.86mm)	-6.96" (-176.79mm)	112th Wettest	Wettest since: 1954	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings