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 1945

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1945 1-Month	2.00" (50.80mm)	2.16" (54.86mm)	-0.16" (-4.06mm)	42nd Driest	Driest since: 1944	1952
	2.00" (50.80mm)	2.16" (54.86mm)	-0.16" (-4.06mm)	87th Wettest	Wettest since: 1942	2009
	Ties: 1956
Sep–Oct 1945 2-Month	5.44" (138.18mm)	4.65" (118.11mm)	0.79" (20.07mm)	104th Driest	Driest since: 1944	1952
Sep–Oct 1945 2-Month	5.44" (138.18mm)	4.65" (118.11mm)	0.79" (20.07mm)	25th Wettest	Wettest since: 1941	2018
Aug–Oct 1945 3-Month	8.04" (204.22mm)	7.27" (184.66mm)	0.77" (19.56mm)	101st Driest	Driest since: 1944	1952
Aug–Oct 1945 3-Month	8.04" (204.22mm)	7.27" (184.66mm)	0.77" (19.56mm)	28th Wettest	Wettest since: 1941	2018
Jul–Oct 1945 4-Month	11.09" (281.69mm)	10.05" (255.27mm)	1.04" (26.42mm)	108th Driest	Driest since: 1944	1952
	11.09" (281.69mm)	10.05" (255.27mm)	1.04" (26.42mm)	21st Wettest	Wettest since: 1941	1941
	Ties: 2017
Jun–Oct 1945 5-Month	14.50" (368.30mm)	12.97" (329.44mm)	1.53" (38.86mm)	116th Driest	Driest since: 1944	1952
Jun–Oct 1945 5-Month	14.50" (368.30mm)	12.97" (329.44mm)	1.53" (38.86mm)	13th Wettest	Wettest since: 1941	1941
May–Oct 1945 6-Month	17.37" (441.20mm)	15.88" (403.35mm)	1.49" (37.85mm)	106th Driest	Driest since: 1944	1952
May–Oct 1945 6-Month	17.37" (441.20mm)	15.88" (403.35mm)	1.49" (37.85mm)	23rd Wettest	Wettest since: 1941	1941
Apr–Oct 1945 7-Month	20.42" (518.67mm)	18.40" (467.36mm)	2.02" (51.31mm)	116th Driest	Driest since: 1944	1952
Apr–Oct 1945 7-Month	20.42" (518.67mm)	18.40" (467.36mm)	2.02" (51.31mm)	13th Wettest	Wettest since: 1941	1941
Mar–Oct 1945 8-Month	23.54" (597.92mm)	20.91" (531.11mm)	2.63" (66.81mm)	119th Driest	Driest since: 1944	1956
Mar–Oct 1945 8-Month	23.54" (597.92mm)	20.91" (531.11mm)	2.63" (66.81mm)	10th Wettest	Wettest since: 1941	2019
Feb–Oct 1945 9-Month	26.29" (667.77mm)	23.04" (585.22mm)	3.25" (82.55mm)	126th Driest	Driest since: 1944	1934
Feb–Oct 1945 9-Month	26.29" (667.77mm)	23.04" (585.22mm)	3.25" (82.55mm)	3rd Wettest	Wettest to Date	2019
Jan–Oct 1945 10-Month	28.09" (713.49mm)	25.36" (644.14mm)	2.73" (69.35mm)	117th Driest	Driest since: 1944	1934
Jan–Oct 1945 10-Month	28.09" (713.49mm)	25.36" (644.14mm)	2.73" (69.35mm)	12th Wettest	Wettest since: 1941	2019
Dec 1944–Oct 1945 11-Month	30.15" (765.81mm)	27.70" (703.58mm)	2.45" (62.23mm)	109th Driest	Driest since: 1944	1931
Dec 1944–Oct 1945 11-Month	30.15" (765.81mm)	27.70" (703.58mm)	2.45" (62.23mm)	19th Wettest	Wettest since: 1941	2019
Nov 1944–Oct 1945 12-Month	32.83" (833.88mm)	29.93" (760.22mm)	2.90" (73.66mm)	113th Driest	Driest since: 1944	1934
Nov 1944–Oct 1945 12-Month	32.83" (833.88mm)	29.93" (760.22mm)	2.90" (73.66mm)	15th Wettest	Wettest since: 1941	2019
May 1944–Oct 1945 18-Month	47.84" (1,215.14mm)	45.83" (1,164.08mm)	2.01" (51.06mm)	90th Driest	Driest since: 1944	1931
May 1944–Oct 1945 18-Month	47.84" (1,215.14mm)	45.83" (1,164.08mm)	2.01" (51.06mm)	38th Wettest	Wettest since: 1942	2019
Nov 1943–Oct 1945 24-Month	61.89" (1,572.01mm)	59.90" (1,521.46mm)	1.99" (50.55mm)	87th Driest	Driest since: 1944	1931
Nov 1943–Oct 1945 24-Month	61.89" (1,572.01mm)	59.90" (1,521.46mm)	1.99" (50.55mm)	40th Wettest	Wettest since: 1942	2019
Nov 1942–Oct 1945 36-Month	90.87" (2,308.10mm)	89.86" (2,282.44mm)	1.01" (25.66mm)	72nd Driest	Driest since: 1944	1956
Nov 1942–Oct 1945 36-Month	90.87" (2,308.10mm)	89.86" (2,282.44mm)	1.01" (25.66mm)	54th Wettest	Wettest since: 1943	2019
Nov 1941–Oct 1945 48-Month	121.38" (3,083.05mm)	119.78" (3,042.41mm)	1.60" (40.64mm)	73rd Driest	Driest since: 1943	1956
Nov 1941–Oct 1945 48-Month	121.38" (3,083.05mm)	119.78" (3,042.41mm)	1.60" (40.64mm)	52nd Wettest	Wettest since: 1944	2019
Nov 1940–Oct 1945 60-Month	155.41" (3,947.41mm)	149.66" (3,801.36mm)	5.75" (146.05mm)	97th Driest	Driest since: 1944	1934
Nov 1940–Oct 1945 60-Month	155.41" (3,947.41mm)	149.66" (3,801.36mm)	5.75" (146.05mm)	27th Wettest	Wettest to Date	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