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, September 1933

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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
September 1933 1-Month	2.40" (60.96mm)	2.49" (63.25mm)	-0.09" (-2.29mm)	52nd Driest	Driest since: 1932	1956
September 1933 1-Month	2.40" (60.96mm)	2.49" (63.25mm)	-0.09" (-2.29mm)	77th Wettest	Wettest since: 1929	1986
Aug–Sep 1933 2-Month	5.26" (133.60mm)	5.11" (129.79mm)	0.15" (3.81mm)	82nd Driest	Driest since: 1932	1956
	5.26" (133.60mm)	5.11" (129.79mm)	0.15" (3.81mm)	47th Wettest	Wettest since: 1928	1977
	Ties: 1928
Jul–Sep 1933 3-Month	8.09" (205.49mm)	7.88" (200.15mm)	0.21" (5.34mm)	84th Driest	Driest since: 1932	1930
Jul–Sep 1933 3-Month	8.09" (205.49mm)	7.88" (200.15mm)	0.21" (5.34mm)	45th Wettest	Wettest since: 1928	1915
Jun–Sep 1933 4-Month	9.54" (242.32mm)	10.81" (274.57mm)	-1.27" (-32.25mm)	10th Driest	Driest since: 1930	1930
Jun–Sep 1933 4-Month	9.54" (242.32mm)	10.81" (274.57mm)	-1.27" (-32.25mm)	119th Wettest	Wettest since: 1932	1915
May–Sep 1933 5-Month	12.93" (328.42mm)	13.72" (348.49mm)	-0.79" (-20.07mm)	31st Driest	Driest since: 1931	1956
May–Sep 1933 5-Month	12.93" (328.42mm)	13.72" (348.49mm)	-0.79" (-20.07mm)	98th Wettest	Wettest since: 1932	1915
Apr–Sep 1933 6-Month	15.47" (392.94mm)	16.24" (412.50mm)	-0.77" (-19.56mm)	33rd Driest	Driest since: 1932	1956
Apr–Sep 1933 6-Month	15.47" (392.94mm)	16.24" (412.50mm)	-0.77" (-19.56mm)	96th Wettest	Wettest since: 1929	1915
Mar–Sep 1933 7-Month	17.94" (455.68mm)	18.75" (476.25mm)	-0.81" (-20.57mm)	34th Driest	Driest since: 1932	1956
	17.94" (455.68mm)	18.75" (476.25mm)	-0.81" (-20.57mm)	95th Wettest	Wettest since: 1929	1973
	Ties: 1987
Feb–Sep 1933 8-Month	19.88" (504.95mm)	20.88" (530.35mm)	-1.00" (-25.40mm)	35th Driest	Driest since: 1932	1930
Feb–Sep 1933 8-Month	19.88" (504.95mm)	20.88" (530.35mm)	-1.00" (-25.40mm)	94th Wettest	Wettest since: 1929	2019
Jan–Sep 1933 9-Month	22.13" (562.10mm)	23.20" (589.28mm)	-1.07" (-27.18mm)	31st Driest	Driest since: 1931	1934
Jan–Sep 1933 9-Month	22.13" (562.10mm)	23.20" (589.28mm)	-1.07" (-27.18mm)	98th Wettest	Wettest since: 1932	2019
Dec 1932–Sep 1933 10-Month	25.05" (636.27mm)	25.54" (648.72mm)	-0.49" (-12.45mm)	48th Driest	Driest since: 1931	1931
Dec 1932–Sep 1933 10-Month	25.05" (636.27mm)	25.54" (648.72mm)	-0.49" (-12.45mm)	80th Wettest	Wettest since: 1932	2019
Nov 1932–Sep 1933 11-Month	27.07" (687.58mm)	27.77" (705.36mm)	-0.70" (-17.78mm)	41st Driest	Driest since: 1931	1934
Nov 1932–Sep 1933 11-Month	27.07" (687.58mm)	27.77" (705.36mm)	-0.70" (-17.78mm)	87th Wettest	Wettest since: 1932	2019
Oct 1932–Sep 1933 12-Month	29.55" (750.57mm)	29.94" (760.48mm)	-0.39" (-9.91mm)	48th Driest	Driest since: 1931	1934
Oct 1932–Sep 1933 12-Month	29.55" (750.57mm)	29.94" (760.48mm)	-0.39" (-9.91mm)	80th Wettest	Wettest since: 1932	2019
Apr 1932–Sep 1933 18-Month	44.78" (1,137.41mm)	46.20" (1,173.48mm)	-1.42" (-36.07mm)	37th Driest	Driest since: 1931	1931
Apr 1932–Sep 1933 18-Month	44.78" (1,137.41mm)	46.20" (1,173.48mm)	-1.42" (-36.07mm)	91st Wettest	Wettest since: 1932	2019
Oct 1931–Sep 1933 24-Month	60.39" (1,533.91mm)	59.92" (1,521.97mm)	0.47" (11.94mm)	65th Driest	Driest since: 1932	1918
Oct 1931–Sep 1933 24-Month	60.39" (1,533.91mm)	59.92" (1,521.97mm)	0.47" (11.94mm)	62nd Wettest	Wettest since: 1929	2020
Oct 1930–Sep 1933 36-Month	85.96" (2,183.38mm)	89.87" (2,282.70mm)	-3.91" (-99.32mm)	18th Driest	Driest since: 1932	1956
Oct 1930–Sep 1933 36-Month	85.96" (2,183.38mm)	89.87" (2,282.70mm)	-3.91" (-99.32mm)	108th Wettest	Wettest since: 1930	2019
Oct 1929–Sep 1933 48-Month	112.44" (2,855.98mm)	119.78" (3,042.41mm)	-7.34" (-186.43mm)	9th Driest	Driest since: 1932	1956
Oct 1929–Sep 1933 48-Month	112.44" (2,855.98mm)	119.78" (3,042.41mm)	-7.34" (-186.43mm)	116th Wettest	Wettest since: 1931	2019
Oct 1928–Sep 1933 60-Month	141.94" (3,605.28mm)	149.66" (3,801.36mm)	-7.72" (-196.08mm)	8th Driest	Driest to Date	1956
Oct 1928–Sep 1933 60-Month	141.94" (3,605.28mm)	149.66" (3,801.36mm)	-7.72" (-196.08mm)	116th Wettest	Wettest since: 1932	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2023, retrieved on May 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings