Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Southwest Climate Region

Precipitation Rankings, August 1956

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
August 1956 1-Month	1.11" (28.19mm)	2.02" (51.31mm)	-0.91" (-23.12mm)	10th Driest	Driest since: 1950	1962
	1.11" (28.19mm)	2.02" (51.31mm)	-0.91" (-23.12mm)	119th Wettest	Wettest since: 1955	1963
	Ties: 2019
Jul–Aug 1956 2-Month	2.76" (70.10mm)	3.89" (98.81mm)	-1.13" (-28.71mm)	13th Driest	Driest since: 1939	2020
	2.76" (70.10mm)	3.89" (98.81mm)	-1.13" (-28.71mm)	116th Wettest	Wettest since: 1955	1921
	Ties: 1960
Jun–Aug 1956 3-Month	3.28" (83.31mm)	4.83" (122.68mm)	-1.55" (-39.37mm)	8th Driest	Driest since: 1939	2020
Jun–Aug 1956 3-Month	3.28" (83.31mm)	4.83" (122.68mm)	-1.55" (-39.37mm)	121st Wettest	Wettest since: 1955	1921
May–Aug 1956 4-Month	3.99" (101.35mm)	5.94" (150.88mm)	-1.95" (-49.53mm)	6th Driest	Driest since: 1939	2020
May–Aug 1956 4-Month	3.99" (101.35mm)	5.94" (150.88mm)	-1.95" (-49.53mm)	123rd Wettest	Wettest since: 1955	1921
Apr–Aug 1956 5-Month	4.68" (118.87mm)	7.00" (177.80mm)	-2.32" (-58.93mm)	5th Driest	Driest since: 1939	2020
Apr–Aug 1956 5-Month	4.68" (118.87mm)	7.00" (177.80mm)	-2.32" (-58.93mm)	124th Wettest	Wettest since: 1955	1999
Mar–Aug 1956 6-Month	4.91" (124.71mm)	8.15" (207.01mm)	-3.24" (-82.30mm)	2nd Driest	Driest since: 1956	2002
Mar–Aug 1956 6-Month	4.91" (124.71mm)	8.15" (207.01mm)	-3.24" (-82.30mm)	127th Wettest	Wettest since: 1955	1941
Feb–Aug 1956 7-Month	5.67" (144.02mm)	9.16" (232.66mm)	-3.49" (-88.64mm)	2nd Driest	Driest since: 1956	2002
Feb–Aug 1956 7-Month	5.67" (144.02mm)	9.16" (232.66mm)	-3.49" (-88.64mm)	127th Wettest	Wettest since: 1955	1941
Jan–Aug 1956 8-Month	6.93" (176.02mm)	10.14" (257.56mm)	-3.21" (-81.54mm)	4th Driest	Driest since: 1956	2002
Jan–Aug 1956 8-Month	6.93" (176.02mm)	10.14" (257.56mm)	-3.21" (-81.54mm)	125th Wettest	Wettest since: 1955	1941
Dec 1955–Aug 1956 9-Month	7.62" (193.55mm)	11.15" (283.21mm)	-3.53" (-89.66mm)	2nd Driest	Driest since: 1956	2002
Dec 1955–Aug 1956 9-Month	7.62" (193.55mm)	11.15" (283.21mm)	-3.53" (-89.66mm)	126th Wettest	Wettest since: 1955	1941
Nov 1955–Aug 1956 10-Month	8.33" (211.58mm)	12.04" (305.82mm)	-3.71" (-94.24mm)	2nd Driest	Driest since: 1956	2002
Nov 1955–Aug 1956 10-Month	8.33" (211.58mm)	12.04" (305.82mm)	-3.71" (-94.24mm)	126th Wettest	Wettest since: 1955	1941
Oct 1955–Aug 1956 11-Month	8.80" (223.52mm)	13.17" (334.52mm)	-4.37" (-111.00mm)	2nd Driest	Driest since: 1956	2002
Oct 1955–Aug 1956 11-Month	8.80" (223.52mm)	13.17" (334.52mm)	-4.37" (-111.00mm)	126th Wettest	Wettest since: 1955	1941
Sep 1955–Aug 1956 12-Month	9.43" (239.52mm)	14.54" (369.32mm)	-5.11" (-129.80mm)	2nd Driest	Driest since: 1956	2002
Sep 1955–Aug 1956 12-Month	9.43" (239.52mm)	14.54" (369.32mm)	-5.11" (-129.80mm)	126th Wettest	Wettest since: 1955	1941
Mar 1955–Aug 1956 18-Month	17.13" (435.10mm)	22.69" (576.33mm)	-5.56" (-141.23mm)	3rd Driest	Driest since: 1956	2002
Mar 1955–Aug 1956 18-Month	17.13" (435.10mm)	22.69" (576.33mm)	-5.56" (-141.23mm)	125th Wettest	Wettest since: 1955	1942
Sep 1954–Aug 1956 24-Month	22.72" (577.09mm)	29.09" (738.89mm)	-6.37" (-161.80mm)	3rd Driest	Driest since: 1954	2003
	22.72" (577.09mm)	29.09" (738.89mm)	-6.37" (-161.80mm)	124th Wettest	Wettest since: 1955	1942
	Ties: 1954
Sep 1953–Aug 1956 36-Month	33.58" (852.93mm)	43.58" (1,106.93mm)	-10.00" (-254.00mm)	1st Driest	Driest since: 1956	1956
Sep 1953–Aug 1956 36-Month	33.58" (852.93mm)	43.58" (1,106.93mm)	-10.00" (-254.00mm)	125th Wettest	Wettest since: 1955	1907
Sep 1952–Aug 1956 48-Month	45.44" (1,154.18mm)	58.05" (1,474.47mm)	-12.61" (-320.29mm)	1st Driest	Driest since: 1956	1956
Sep 1952–Aug 1956 48-Month	45.44" (1,154.18mm)	58.05" (1,474.47mm)	-12.61" (-320.29mm)	124th Wettest	Wettest since: 1955	1986
Sep 1951–Aug 1956 60-Month	60.51" (1,536.95mm)	72.53" (1,842.26mm)	-12.02" (-305.31mm)	3rd Driest	Driest since: 1904	2004
	60.51" (1,536.95mm)	72.53" (1,842.26mm)	-12.02" (-305.31mm)	121st Wettest	Wettest since: 1955	1987
	Ties: 1904

Citing This Page

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