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 1973

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1973 1-Month	2.37" (60.20mm)	2.16" (54.86mm)	0.21" (5.34mm)	80th Driest	Driest since: 1968	1952
	2.37" (60.20mm)	2.16" (54.86mm)	0.21" (5.34mm)	49th Wettest	Wettest since: 1972	2009
	Ties: 2005
Sep–Oct 1973 2-Month	5.83" (148.08mm)	4.65" (118.11mm)	1.18" (29.97mm)	118th Driest	Driest since: 1972	1952
Sep–Oct 1973 2-Month	5.83" (148.08mm)	4.65" (118.11mm)	1.18" (29.97mm)	11th Wettest	Wettest since: 1970	2018
Aug–Oct 1973 3-Month	7.89" (200.41mm)	7.27" (184.66mm)	0.62" (15.75mm)	92nd Driest	Driest since: 1969	1952
	7.89" (200.41mm)	7.27" (184.66mm)	0.62" (15.75mm)	37th Wettest	Wettest since: 1972	2018
	Ties: 1898
Jul–Oct 1973 4-Month	10.85" (275.59mm)	10.05" (255.27mm)	0.80" (20.32mm)	100th Driest	Driest since: 1970	1952
Jul–Oct 1973 4-Month	10.85" (275.59mm)	10.05" (255.27mm)	0.80" (20.32mm)	29th Wettest	Wettest since: 1972	1941
Jun–Oct 1973 5-Month	13.90" (353.06mm)	12.97" (329.44mm)	0.93" (23.62mm)	94th Driest	Driest since: 1971	1952
Jun–Oct 1973 5-Month	13.90" (353.06mm)	12.97" (329.44mm)	0.93" (23.62mm)	35th Wettest	Wettest since: 1972	1941
May–Oct 1973 6-Month	16.93" (430.02mm)	15.88" (403.35mm)	1.05" (26.67mm)	94th Driest	Driest since: 1971	1952
May–Oct 1973 6-Month	16.93" (430.02mm)	15.88" (403.35mm)	1.05" (26.67mm)	35th Wettest	Wettest since: 1972	1941
Apr–Oct 1973 7-Month	20.26" (514.60mm)	18.40" (467.36mm)	1.86" (47.24mm)	113th Driest	Driest since: 1972	1952
Apr–Oct 1973 7-Month	20.26" (514.60mm)	18.40" (467.36mm)	1.86" (47.24mm)	16th Wettest	Wettest since: 1957	1941
Mar–Oct 1973 8-Month	24.26" (616.20mm)	20.91" (531.11mm)	3.35" (85.09mm)	125th Driest	Driest since: 1972	1956
Mar–Oct 1973 8-Month	24.26" (616.20mm)	20.91" (531.11mm)	3.35" (85.09mm)	4th Wettest	Wettest since: 1941	2019
Feb–Oct 1973 9-Month	26.22" (665.99mm)	23.04" (585.22mm)	3.18" (80.77mm)	125th Driest	Driest since: 1972	1934
	26.22" (665.99mm)	23.04" (585.22mm)	3.18" (80.77mm)	4th Wettest	Wettest since: 1957	2019
	Ties: 1957
Jan–Oct 1973 10-Month	28.70" (728.98mm)	25.36" (644.14mm)	3.34" (84.84mm)	125th Driest	Driest since: 1972	1934
Jan–Oct 1973 10-Month	28.70" (728.98mm)	25.36" (644.14mm)	3.34" (84.84mm)	4th Wettest	Wettest to Date	2019
Dec 1972–Oct 1973 11-Month	31.72" (805.69mm)	27.70" (703.58mm)	4.02" (102.11mm)	125th Driest	Driest since: 1972	1931
Dec 1972–Oct 1973 11-Month	31.72" (805.69mm)	27.70" (703.58mm)	4.02" (102.11mm)	3rd Wettest	Wettest to Date	2019
Nov 1972–Oct 1973 12-Month	34.77" (883.16mm)	29.93" (760.22mm)	4.84" (122.94mm)	126th Driest	Driest since: 1972	1934
Nov 1972–Oct 1973 12-Month	34.77" (883.16mm)	29.93" (760.22mm)	4.84" (122.94mm)	2nd Wettest	Wettest to Date	2019
May 1972–Oct 1973 18-Month	51.88" (1,317.75mm)	45.83" (1,164.08mm)	6.05" (153.67mm)	125th Driest	Driest since: 1972	1931
May 1972–Oct 1973 18-Month	51.88" (1,317.75mm)	45.83" (1,164.08mm)	6.05" (153.67mm)	3rd Wettest	Wettest to Date	2019
Nov 1971–Oct 1973 24-Month	65.63" (1,667.00mm)	59.90" (1,521.46mm)	5.73" (145.54mm)	118th Driest	Driest since: 1972	1931
Nov 1971–Oct 1973 24-Month	65.63" (1,667.00mm)	59.90" (1,521.46mm)	5.73" (145.54mm)	9th Wettest	Wettest to Date	2019
Nov 1970–Oct 1973 36-Month	95.15" (2,416.81mm)	89.86" (2,282.44mm)	5.29" (134.37mm)	109th Driest	Driest since: 1972	1956
Nov 1970–Oct 1973 36-Month	95.15" (2,416.81mm)	89.86" (2,282.44mm)	5.29" (134.37mm)	17th Wettest	Wettest to Date	2019
Nov 1969–Oct 1973 48-Month	124.96" (3,173.98mm)	119.78" (3,042.41mm)	5.18" (131.57mm)	104th Driest	Driest since: 1972	1956
Nov 1969–Oct 1973 48-Month	124.96" (3,173.98mm)	119.78" (3,042.41mm)	5.18" (131.57mm)	21st Wettest	Wettest since: 1908	2019
Nov 1968–Oct 1973 60-Month	156.70" (3,980.18mm)	149.66" (3,801.36mm)	7.04" (178.82mm)	103rd Driest	Driest since: 1972	1934
Nov 1968–Oct 1973 60-Month	156.70" (3,980.18mm)	149.66" (3,801.36mm)	7.04" (178.82mm)	21st Wettest	Wettest to Date	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published November 2022, retrieved on December 6, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings