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, July 1955

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1955 1-Month	2.20" (55.88mm)	1.87" (47.50mm)	0.33" (8.38mm)	92nd Driest	Driest since: 1954	2003
July 1955 1-Month	2.20" (55.88mm)	1.87" (47.50mm)	0.33" (8.38mm)	37th Wettest	Wettest since: 1953	1914
Jun–Jul 1955 2-Month	2.92" (74.17mm)	2.81" (71.37mm)	0.11" (2.80mm)	74th Driest	Driest since: 1954	1980
Jun–Jul 1955 2-Month	2.92" (74.17mm)	2.81" (71.37mm)	0.11" (2.80mm)	55th Wettest	Wettest since: 1953	1921
May–Jul 1955 3-Month	4.18" (106.17mm)	3.93" (99.82mm)	0.25" (6.35mm)	87th Driest	Driest since: 1954	2002
	4.18" (106.17mm)	3.93" (99.82mm)	0.25" (6.35mm)	42nd Wettest	Wettest since: 1949	2015
	Ties: 1988, 1998
Apr–Jul 1955 4-Month	4.69" (119.13mm)	4.99" (126.75mm)	-0.30" (-7.62mm)	55th Driest	Driest since: 1954	2002
	4.69" (119.13mm)	4.99" (126.75mm)	-0.30" (-7.62mm)	74th Wettest	Wettest since: 1953	1914
	Ties: 1996
Mar–Jul 1955 5-Month	5.02" (127.51mm)	6.14" (155.96mm)	-1.12" (-28.45mm)	23rd Driest	Driest since: 1940	2002
	5.02" (127.51mm)	6.14" (155.96mm)	-1.12" (-28.45mm)	106th Wettest	Wettest since: 1954	1941
	Ties: 2013
Feb–Jul 1955 6-Month	5.87" (149.10mm)	7.14" (181.36mm)	-1.27" (-32.26mm)	22nd Driest	Driest since: 1951	2002
	5.87" (149.10mm)	7.14" (181.36mm)	-1.27" (-32.26mm)	107th Wettest	Wettest since: 1954	1941
	Ties: 1947, 2008
Jan–Jul 1955 7-Month	7.04" (178.82mm)	8.12" (206.25mm)	-1.08" (-27.43mm)	42nd Driest	Driest since: 1954	2002
Jan–Jul 1955 7-Month	7.04" (178.82mm)	8.12" (206.25mm)	-1.08" (-27.43mm)	87th Wettest	Wettest since: 1952	1905
Dec 1954–Jul 1955 8-Month	7.56" (192.02mm)	9.13" (231.90mm)	-1.57" (-39.88mm)	29th Driest	Driest since: 1954	2002
Dec 1954–Jul 1955 8-Month	7.56" (192.02mm)	9.13" (231.90mm)	-1.57" (-39.88mm)	99th Wettest	Wettest since: 1953	1941
Nov 1954–Jul 1955 9-Month	8.03" (203.96mm)	10.02" (254.51mm)	-1.99" (-50.55mm)	21st Driest	Driest since: 1951	2002
Nov 1954–Jul 1955 9-Month	8.03" (203.96mm)	10.02" (254.51mm)	-1.99" (-50.55mm)	107th Wettest	Wettest since: 1954	1941
Oct 1954–Jul 1955 10-Month	9.11" (231.39mm)	11.15" (283.21mm)	-2.04" (-51.82mm)	27th Driest	Driest since: 1954	2002
Oct 1954–Jul 1955 10-Month	9.11" (231.39mm)	11.15" (283.21mm)	-2.04" (-51.82mm)	101st Wettest	Wettest since: 1953	1941
Sep 1954–Jul 1955 11-Month	10.61" (269.49mm)	12.52" (318.01mm)	-1.91" (-48.52mm)	32nd Driest	Driest since: 1954	2002
Sep 1954–Jul 1955 11-Month	10.61" (269.49mm)	12.52" (318.01mm)	-1.91" (-48.52mm)	96th Wettest	Wettest since: 1952	1941
Aug 1954–Jul 1955 12-Month	12.39" (314.71mm)	14.53" (369.06mm)	-2.14" (-54.35mm)	30th Driest	Driest since: 1954	2002
Aug 1954–Jul 1955 12-Month	12.39" (314.71mm)	14.53" (369.06mm)	-2.14" (-54.35mm)	98th Wettest	Wettest since: 1952	1941
Feb 1954–Jul 1955 18-Month	18.27" (464.06mm)	21.67" (550.42mm)	-3.40" (-86.36mm)	21st Driest	Driest since: 1954	2002
Feb 1954–Jul 1955 18-Month	18.27" (464.06mm)	21.67" (550.42mm)	-3.40" (-86.36mm)	107th Wettest	Wettest since: 1953	1942
Aug 1953–Jul 1955 24-Month	23.19" (589.03mm)	29.06" (738.12mm)	-5.87" (-149.09mm)	8th Driest	Driest since: 1954	2003
Aug 1953–Jul 1955 24-Month	23.19" (589.03mm)	29.06" (738.12mm)	-5.87" (-149.09mm)	119th Wettest	Wettest since: 1953	1942
Aug 1952–Jul 1955 36-Month	35.22" (894.59mm)	43.55" (1,106.17mm)	-8.33" (-211.58mm)	6th Driest	Driest since: 1904	1956
Aug 1952–Jul 1955 36-Month	35.22" (894.59mm)	43.55" (1,106.17mm)	-8.33" (-211.58mm)	120th Wettest	Wettest since: 1954	1907
Aug 1951–Jul 1955 48-Month	51.18" (1,299.97mm)	58.02" (1,473.71mm)	-6.84" (-173.74mm)	15th Driest	Driest since: 1954	1956
Aug 1951–Jul 1955 48-Month	51.18" (1,299.97mm)	58.02" (1,473.71mm)	-6.84" (-173.74mm)	110th Wettest	Wettest since: 1952	1986
Aug 1950–Jul 1955 60-Month	61.61" (1,564.89mm)	72.50" (1,841.50mm)	-10.89" (-276.61mm)	6th Driest	Driest since: 1954	1904
Aug 1950–Jul 1955 60-Month	61.61" (1,564.89mm)	72.50" (1,841.50mm)	-10.89" (-276.61mm)	118th Wettest	Wettest since: 1953	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published November 2022, retrieved on December 5, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings