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 1911

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1911 1-Month	3.13" (79.50mm)	1.87" (47.50mm)	1.26" (32.00mm)	127th Driest	Driest since: 1910	2003
July 1911 1-Month	3.13" (79.50mm)	1.87" (47.50mm)	1.26" (32.00mm)	2nd Wettest	Wettest to Date	1914
Jun–Jul 1911 2-Month	4.15" (105.41mm)	2.81" (71.37mm)	1.34" (34.04mm)	124th Driest	Driest since: 1910	1980
Jun–Jul 1911 2-Month	4.15" (105.41mm)	2.81" (71.37mm)	1.34" (34.04mm)	5th Wettest	Wettest to Date	1921
May–Jul 1911 3-Month	4.78" (121.41mm)	3.93" (99.82mm)	0.85" (21.59mm)	111th Driest	Driest since: 1910	2002
May–Jul 1911 3-Month	4.78" (121.41mm)	3.93" (99.82mm)	0.85" (21.59mm)	18th Wettest	Wettest since: 1898	2015
Apr–Jul 1911 4-Month	5.68" (144.27mm)	4.99" (126.75mm)	0.69" (17.52mm)	104th Driest	Driest since: 1910	2002
Apr–Jul 1911 4-Month	5.68" (144.27mm)	4.99" (126.75mm)	0.69" (17.52mm)	25th Wettest	Wettest since: 1906	1914
Mar–Jul 1911 5-Month	6.81" (172.97mm)	6.14" (155.96mm)	0.67" (17.01mm)	103rd Driest	Driest since: 1910	2002
	6.81" (172.97mm)	6.14" (155.96mm)	0.67" (17.01mm)	26th Wettest	Wettest since: 1906	1941
	Ties: 1930
Feb–Jul 1911 6-Month	8.63" (219.20mm)	7.14" (181.36mm)	1.49" (37.84mm)	110th Driest	Driest since: 1910	2002
Feb–Jul 1911 6-Month	8.63" (219.20mm)	7.14" (181.36mm)	1.49" (37.84mm)	19th Wettest	Wettest since: 1906	1941
Jan–Jul 1911 7-Month	10.25" (260.35mm)	8.12" (206.25mm)	2.13" (54.10mm)	121st Driest	Driest since: 1910	2002
Jan–Jul 1911 7-Month	10.25" (260.35mm)	8.12" (206.25mm)	2.13" (54.10mm)	8th Wettest	Wettest since: 1905	1905
Dec 1910–Jul 1911 8-Month	10.98" (278.89mm)	9.13" (231.90mm)	1.85" (46.99mm)	111th Driest	Driest since: 1910	2002
	10.98" (278.89mm)	9.13" (231.90mm)	1.85" (46.99mm)	17th Wettest	Wettest since: 1907	1941
	Ties: 1973
Nov 1910–Jul 1911 9-Month	12.08" (306.83mm)	10.02" (254.51mm)	2.06" (52.32mm)	109th Driest	Driest since: 1910	2002
Nov 1910–Jul 1911 9-Month	12.08" (306.83mm)	10.02" (254.51mm)	2.06" (52.32mm)	19th Wettest	Wettest since: 1907	1941
Oct 1910–Jul 1911 10-Month	13.01" (330.45mm)	11.15" (283.21mm)	1.86" (47.24mm)	107th Driest	Driest since: 1910	2002
Oct 1910–Jul 1911 10-Month	13.01" (330.45mm)	11.15" (283.21mm)	1.86" (47.24mm)	21st Wettest	Wettest since: 1907	1941
Sep 1910–Jul 1911 11-Month	13.90" (353.06mm)	12.52" (318.01mm)	1.38" (35.05mm)	95th Driest	Driest since: 1910	2002
Sep 1910–Jul 1911 11-Month	13.90" (353.06mm)	12.52" (318.01mm)	1.38" (35.05mm)	33rd Wettest	Wettest since: 1907	1941
Aug 1910–Jul 1911 12-Month	15.72" (399.29mm)	14.53" (369.06mm)	1.19" (30.23mm)	93rd Driest	Driest since: 1910	2002
Aug 1910–Jul 1911 12-Month	15.72" (399.29mm)	14.53" (369.06mm)	1.19" (30.23mm)	35th Wettest	Wettest since: 1907	1941
Feb 1910–Jul 1911 18-Month	20.40" (518.16mm)	21.67" (550.42mm)	-1.27" (-32.26mm)	49th Driest	Driest since: 1910	2002
Feb 1910–Jul 1911 18-Month	20.40" (518.16mm)	21.67" (550.42mm)	-1.27" (-32.26mm)	79th Wettest	Wettest since: 1909	1942
Aug 1909–Jul 1911 24-Month	29.40" (746.76mm)	29.06" (738.12mm)	0.34" (8.64mm)	77th Driest	Driest since: 1910	2003
Aug 1909–Jul 1911 24-Month	29.40" (746.76mm)	29.06" (738.12mm)	0.34" (8.64mm)	50th Wettest	Wettest since: 1909	1942
Aug 1908–Jul 1911 36-Month	44.63" (1,133.60mm)	43.55" (1,106.17mm)	1.08" (27.43mm)	85th Driest	Driest since: 1910	1956
Aug 1908–Jul 1911 36-Month	44.63" (1,133.60mm)	43.55" (1,106.17mm)	1.08" (27.43mm)	41st Wettest	Wettest since: 1909	1907
Aug 1907–Jul 1911 48-Month	59.67" (1,515.62mm)	58.02" (1,473.71mm)	1.65" (41.91mm)	82nd Driest	Driest since: 1905	1956
Aug 1907–Jul 1911 48-Month	59.67" (1,515.62mm)	58.02" (1,473.71mm)	1.65" (41.91mm)	43rd Wettest	Wettest since: 1910	1986
Aug 1906–Jul 1911 60-Month	77.24" (1,961.90mm)	72.50" (1,841.50mm)	4.74" (120.40mm)	101st Driest	Driest since: 1906	1904
Aug 1906–Jul 1911 60-Month	77.24" (1,961.90mm)	72.50" (1,841.50mm)	4.74" (120.40mm)	23rd Wettest	Wettest since: 1910	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings