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 1956

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1956 1-Month	2.00" (50.80mm)	2.16" (54.86mm)	-0.16" (-4.06mm)	42nd Driest	Driest since: 1953	1952
	2.00" (50.80mm)	2.16" (54.86mm)	-0.16" (-4.06mm)	87th Wettest	Wettest since: 1955	2009
	Ties: 1945
Sep–Oct 1956 2-Month	3.44" (87.38mm)	4.65" (118.11mm)	-1.21" (-30.73mm)	10th Driest	Driest since: 1953	1952
Sep–Oct 1956 2-Month	3.44" (87.38mm)	4.65" (118.11mm)	-1.21" (-30.73mm)	119th Wettest	Wettest since: 1955	2018
Aug–Oct 1956 3-Month	5.65" (143.51mm)	7.27" (184.66mm)	-1.62" (-41.15mm)	7th Driest	Driest since: 1953	1952
Aug–Oct 1956 3-Month	5.65" (143.51mm)	7.27" (184.66mm)	-1.62" (-41.15mm)	122nd Wettest	Wettest since: 1955	2018
Jul–Oct 1956 4-Month	8.43" (214.12mm)	10.05" (255.27mm)	-1.62" (-41.15mm)	8th Driest	Driest since: 1953	1952
Jul–Oct 1956 4-Month	8.43" (214.12mm)	10.05" (255.27mm)	-1.62" (-41.15mm)	121st Wettest	Wettest since: 1955	1941
Jun–Oct 1956 5-Month	10.64" (270.26mm)	12.97" (329.44mm)	-2.33" (-59.18mm)	3rd Driest	Driest since: 1953	1952
Jun–Oct 1956 5-Month	10.64" (270.26mm)	12.97" (329.44mm)	-2.33" (-59.18mm)	126th Wettest	Wettest since: 1955	1941
May–Oct 1956 6-Month	13.24" (336.30mm)	15.88" (403.35mm)	-2.64" (-67.05mm)	3rd Driest	Driest since: 1952	1952
May–Oct 1956 6-Month	13.24" (336.30mm)	15.88" (403.35mm)	-2.64" (-67.05mm)	126th Wettest	Wettest since: 1955	1941
Apr–Oct 1956 7-Month	15.31" (388.87mm)	18.40" (467.36mm)	-3.09" (-78.49mm)	3rd Driest	Driest since: 1952	1952
Apr–Oct 1956 7-Month	15.31" (388.87mm)	18.40" (467.36mm)	-3.09" (-78.49mm)	126th Wettest	Wettest since: 1955	1941
Mar–Oct 1956 8-Month	17.13" (435.10mm)	20.91" (531.11mm)	-3.78" (-96.01mm)	1st Driest	Driest since: 1956	1956
Mar–Oct 1956 8-Month	17.13" (435.10mm)	20.91" (531.11mm)	-3.78" (-96.01mm)	128th Wettest	Wettest since: 1955	2019
Feb–Oct 1956 9-Month	19.75" (501.65mm)	23.04" (585.22mm)	-3.29" (-83.57mm)	7th Driest	Driest since: 1952	1934
Feb–Oct 1956 9-Month	19.75" (501.65mm)	23.04" (585.22mm)	-3.29" (-83.57mm)	122nd Wettest	Wettest since: 1955	2019
Jan–Oct 1956 10-Month	22.02" (559.31mm)	25.36" (644.14mm)	-3.34" (-84.83mm)	7th Driest	Driest since: 1952	1934
	22.02" (559.31mm)	25.36" (644.14mm)	-3.34" (-84.83mm)	122nd Wettest	Wettest since: 1955	2019
	Ties: 1930
Dec 1955–Oct 1956 11-Month	24.26" (616.20mm)	27.70" (703.58mm)	-3.44" (-87.38mm)	7th Driest	Driest since: 1934	1931
Dec 1955–Oct 1956 11-Month	24.26" (616.20mm)	27.70" (703.58mm)	-3.44" (-87.38mm)	121st Wettest	Wettest since: 1955	2019
Nov 1955–Oct 1956 12-Month	26.18" (664.97mm)	29.93" (760.22mm)	-3.75" (-95.25mm)	4th Driest	Driest since: 1934	1934
Nov 1955–Oct 1956 12-Month	26.18" (664.97mm)	29.93" (760.22mm)	-3.75" (-95.25mm)	124th Wettest	Wettest since: 1955	2019
May 1955–Oct 1956 18-Month	41.38" (1,051.05mm)	45.83" (1,164.08mm)	-4.45" (-113.03mm)	10th Driest	Driest since: 1955	1931
May 1955–Oct 1956 18-Month	41.38" (1,051.05mm)	45.83" (1,164.08mm)	-4.45" (-113.03mm)	118th Wettest	Wettest since: 1952	2019
Nov 1954–Oct 1956 24-Month	53.30" (1,353.82mm)	59.90" (1,521.46mm)	-6.60" (-167.64mm)	3rd Driest	Driest since: 1931	1931
Nov 1954–Oct 1956 24-Month	53.30" (1,353.82mm)	59.90" (1,521.46mm)	-6.60" (-167.64mm)	124th Wettest	Wettest since: 1955	2019
Nov 1953–Oct 1956 36-Month	80.20" (2,037.08mm)	89.86" (2,282.44mm)	-9.66" (-245.36mm)	1st Driest	Driest since: 1956	1956
Nov 1953–Oct 1956 36-Month	80.20" (2,037.08mm)	89.86" (2,282.44mm)	-9.66" (-245.36mm)	125th Wettest	Wettest since: 1955	2019
Nov 1952–Oct 1956 48-Month	108.82" (2,764.03mm)	119.78" (3,042.41mm)	-10.96" (-278.38mm)	1st Driest	Driest since: 1956	1956
Nov 1952–Oct 1956 48-Month	108.82" (2,764.03mm)	119.78" (3,042.41mm)	-10.96" (-278.38mm)	124th Wettest	Wettest since: 1955	2019
Nov 1951–Oct 1956 60-Month	136.11" (3,457.19mm)	149.66" (3,801.36mm)	-13.55" (-344.17mm)	2nd Driest	Driest since: 1934	1934
Nov 1951–Oct 1956 60-Month	136.11" (3,457.19mm)	149.66" (3,801.36mm)	-13.55" (-344.17mm)	122nd Wettest	Wettest since: 1955	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings