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 1989

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1989 1-Month	1.77" (44.96mm)	1.87" (47.50mm)	-0.10" (-2.54mm)	56th Driest	Driest since: 1987	2003
	1.77" (44.96mm)	1.87" (47.50mm)	-0.10" (-2.54mm)	73rd Wettest	Wettest since: 1988	1914
	Ties: 1924
Jun–Jul 1989 2-Month	2.60" (66.04mm)	2.81" (71.37mm)	-0.21" (-5.33mm)	53rd Driest	Driest since: 1987	1980
	2.60" (66.04mm)	2.81" (71.37mm)	-0.21" (-5.33mm)	76th Wettest	Wettest since: 1988	1921
	Ties: 1960
May–Jul 1989 3-Month	3.34" (84.84mm)	3.93" (99.82mm)	-0.59" (-14.98mm)	35th Driest	Driest since: 1980	2002
May–Jul 1989 3-Month	3.34" (84.84mm)	3.93" (99.82mm)	-0.59" (-14.98mm)	94th Wettest	Wettest since: 1988	2015
Apr–Jul 1989 4-Month	3.65" (92.71mm)	4.99" (126.75mm)	-1.34" (-34.04mm)	13th Driest	Driest since: 1974	2002
Apr–Jul 1989 4-Month	3.65" (92.71mm)	4.99" (126.75mm)	-1.34" (-34.04mm)	116th Wettest	Wettest since: 1988	1914
Mar–Jul 1989 5-Month	4.43" (112.52mm)	6.14" (155.96mm)	-1.71" (-43.44mm)	13th Driest	Driest since: 1974	2002
Mar–Jul 1989 5-Month	4.43" (112.52mm)	6.14" (155.96mm)	-1.71" (-43.44mm)	116th Wettest	Wettest since: 1988	1941
Feb–Jul 1989 6-Month	5.31" (134.87mm)	7.14" (181.36mm)	-1.83" (-46.49mm)	13th Driest	Driest since: 1974	2002
Feb–Jul 1989 6-Month	5.31" (134.87mm)	7.14" (181.36mm)	-1.83" (-46.49mm)	116th Wettest	Wettest since: 1988	1941
Jan–Jul 1989 7-Month	6.31" (160.27mm)	8.12" (206.25mm)	-1.81" (-45.98mm)	16th Driest	Driest since: 1974	2002
Jan–Jul 1989 7-Month	6.31" (160.27mm)	8.12" (206.25mm)	-1.81" (-45.98mm)	113th Wettest	Wettest since: 1988	1905
Dec 1988–Jul 1989 8-Month	7.05" (179.07mm)	9.13" (231.90mm)	-2.08" (-52.83mm)	15th Driest	Driest since: 1974	2002
Dec 1988–Jul 1989 8-Month	7.05" (179.07mm)	9.13" (231.90mm)	-2.08" (-52.83mm)	113th Wettest	Wettest since: 1988	1941
Nov 1988–Jul 1989 9-Month	7.95" (201.93mm)	10.02" (254.51mm)	-2.07" (-52.58mm)	20th Driest	Driest since: 1977	2002
Nov 1988–Jul 1989 9-Month	7.95" (201.93mm)	10.02" (254.51mm)	-2.07" (-52.58mm)	108th Wettest	Wettest since: 1988	1941
Oct 1988–Jul 1989 10-Month	8.47" (215.14mm)	11.15" (283.21mm)	-2.68" (-68.07mm)	14th Driest	Driest since: 1977	2002
Oct 1988–Jul 1989 10-Month	8.47" (215.14mm)	11.15" (283.21mm)	-2.68" (-68.07mm)	114th Wettest	Wettest since: 1988	1941
Sep 1988–Jul 1989 11-Month	9.85" (250.19mm)	12.52" (318.01mm)	-2.67" (-67.82mm)	14th Driest	Driest since: 1974	2002
	9.85" (250.19mm)	12.52" (318.01mm)	-2.67" (-67.82mm)	114th Wettest	Wettest since: 1988	1941
	Ties: 1971
Aug 1988–Jul 1989 12-Month	12.49" (317.25mm)	14.53" (369.06mm)	-2.04" (-51.81mm)	33rd Driest	Driest since: 1977	2002
Aug 1988–Jul 1989 12-Month	12.49" (317.25mm)	14.53" (369.06mm)	-2.04" (-51.81mm)	95th Wettest	Wettest since: 1988	1941
Feb 1988–Jul 1989 18-Month	19.53" (496.06mm)	21.67" (550.42mm)	-2.14" (-54.36mm)	36th Driest	Driest since: 1977	2002
Feb 1988–Jul 1989 18-Month	19.53" (496.06mm)	21.67" (550.42mm)	-2.14" (-54.36mm)	92nd Wettest	Wettest since: 1988	1942
Aug 1987–Jul 1989 24-Month	27.68" (703.07mm)	29.06" (738.12mm)	-1.38" (-35.05mm)	47th Driest	Driest since: 1978	2003
Aug 1987–Jul 1989 24-Month	27.68" (703.07mm)	29.06" (738.12mm)	-1.38" (-35.05mm)	80th Wettest	Wettest since: 1988	1942
Aug 1986–Jul 1989 36-Month	44.56" (1,131.82mm)	43.55" (1,106.17mm)	1.01" (25.65mm)	83rd Driest	Driest since: 1982	1956
Aug 1986–Jul 1989 36-Month	44.56" (1,131.82mm)	43.55" (1,106.17mm)	1.01" (25.65mm)	43rd Wettest	Wettest since: 1988	1907
Aug 1985–Jul 1989 48-Month	61.10" (1,551.94mm)	58.02" (1,473.71mm)	3.08" (78.23mm)	95th Driest	Driest since: 1980	1956
Aug 1985–Jul 1989 48-Month	61.10" (1,551.94mm)	58.02" (1,473.71mm)	3.08" (78.23mm)	30th Wettest	Wettest since: 1988	1986
Aug 1984–Jul 1989 60-Month	79.89" (2,029.21mm)	72.50" (1,841.50mm)	7.39" (187.71mm)	116th Driest	Driest since: 1984	1904
Aug 1984–Jul 1989 60-Month	79.89" (2,029.21mm)	72.50" (1,841.50mm)	7.39" (187.71mm)	8th Wettest	Wettest since: 1988	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings