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 1979

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1979 1-Month	1.35" (34.29mm)	1.87" (47.50mm)	-0.52" (-13.21mm)	24th Driest	Driest since: 1978	2003
July 1979 1-Month	1.35" (34.29mm)	1.87" (47.50mm)	-0.52" (-13.21mm)	105th Wettest	Wettest since: 1977	1914
Jun–Jul 1979 2-Month	2.50" (63.50mm)	2.81" (71.37mm)	-0.31" (-7.87mm)	46th Driest	Driest since: 1978	1980
	2.50" (63.50mm)	2.81" (71.37mm)	-0.31" (-7.87mm)	83rd Wettest	Wettest since: 1977	1921
	Ties: 1954
May–Jul 1979 3-Month	4.38" (111.25mm)	3.93" (99.82mm)	0.45" (11.43mm)	104th Driest	Driest since: 1978	2002
	4.38" (111.25mm)	3.93" (99.82mm)	0.45" (11.43mm)	25th Wettest	Wettest since: 1969	2015
	Ties: 1907
Apr–Jul 1979 4-Month	4.98" (126.49mm)	4.99" (126.75mm)	-0.01" (-0.26mm)	76th Driest	Driest since: 1978	2002
	4.98" (126.49mm)	4.99" (126.75mm)	-0.01" (-0.26mm)	53rd Wettest	Wettest since: 1977	1914
	Ties: 1928, 1968
Mar–Jul 1979 5-Month	6.67" (169.42mm)	6.14" (155.96mm)	0.53" (13.46mm)	99th Driest	Driest since: 1978	2002
	6.67" (169.42mm)	6.14" (155.96mm)	0.53" (13.46mm)	30th Wettest	Wettest since: 1975	1941
	Ties: 1991, 2019
Feb–Jul 1979 6-Month	7.47" (189.74mm)	7.14" (181.36mm)	0.33" (8.38mm)	87th Driest	Driest since: 1977	2002
Feb–Jul 1979 6-Month	7.47" (189.74mm)	7.14" (181.36mm)	0.33" (8.38mm)	42nd Wettest	Wettest since: 1978	1941
Jan–Jul 1979 7-Month	9.53" (242.06mm)	8.12" (206.25mm)	1.41" (35.81mm)	108th Driest	Driest since: 1977	2002
Jan–Jul 1979 7-Month	9.53" (242.06mm)	8.12" (206.25mm)	1.41" (35.81mm)	21st Wettest	Wettest since: 1978	1905
Dec 1978–Jul 1979 8-Month	11.58" (294.13mm)	9.13" (231.90mm)	2.45" (62.23mm)	120th Driest	Driest since: 1978	2002
Dec 1978–Jul 1979 8-Month	11.58" (294.13mm)	9.13" (231.90mm)	2.45" (62.23mm)	8th Wettest	Wettest since: 1949	1941
Nov 1978–Jul 1979 9-Month	14.05" (356.87mm)	10.02" (254.51mm)	4.03" (102.36mm)	125th Driest	Driest since: 1978	2002
Nov 1978–Jul 1979 9-Month	14.05" (356.87mm)	10.02" (254.51mm)	4.03" (102.36mm)	3rd Wettest	Wettest since: 1941	1941
Oct 1978–Jul 1979 10-Month	15.23" (386.84mm)	11.15" (283.21mm)	4.08" (103.63mm)	123rd Driest	Driest since: 1978	2002
Oct 1978–Jul 1979 10-Month	15.23" (386.84mm)	11.15" (283.21mm)	4.08" (103.63mm)	5th Wettest	Wettest since: 1973	1941
Sep 1978–Jul 1979 11-Month	16.34" (415.04mm)	12.52" (318.01mm)	3.82" (97.03mm)	123rd Driest	Driest since: 1978	2002
Sep 1978–Jul 1979 11-Month	16.34" (415.04mm)	12.52" (318.01mm)	3.82" (97.03mm)	5th Wettest	Wettest since: 1973	1941
Aug 1978–Jul 1979 12-Month	17.71" (449.83mm)	14.53" (369.06mm)	3.18" (80.77mm)	117th Driest	Driest since: 1978	2002
	17.71" (449.83mm)	14.53" (369.06mm)	3.18" (80.77mm)	11th Wettest	Wettest since: 1973	1941
	Ties: 1995
Feb 1978–Jul 1979 18-Month	25.57" (649.48mm)	21.67" (550.42mm)	3.90" (99.06mm)	118th Driest	Driest since: 1978	2002
Feb 1978–Jul 1979 18-Month	25.57" (649.48mm)	21.67" (550.42mm)	3.90" (99.06mm)	10th Wettest	Wettest since: 1942	1942
Aug 1977–Jul 1979 24-Month	33.15" (842.01mm)	29.06" (738.12mm)	4.09" (103.89mm)	113th Driest	Driest since: 1978	2003
Aug 1977–Jul 1979 24-Month	33.15" (842.01mm)	29.06" (738.12mm)	4.09" (103.89mm)	14th Wettest	Wettest since: 1942	1942
Aug 1976–Jul 1979 36-Month	44.60" (1,132.84mm)	43.55" (1,106.17mm)	1.05" (26.67mm)	84th Driest	Driest since: 1978	1956
Aug 1976–Jul 1979 36-Month	44.60" (1,132.84mm)	43.55" (1,106.17mm)	1.05" (26.67mm)	42nd Wettest	Wettest since: 1975	1907
Aug 1975–Jul 1979 48-Month	56.67" (1,439.42mm)	58.02" (1,473.71mm)	-1.35" (-34.29mm)	54th Driest	Driest since: 1978	1956
Aug 1975–Jul 1979 48-Month	56.67" (1,439.42mm)	58.02" (1,473.71mm)	-1.35" (-34.29mm)	71st Wettest	Wettest since: 1976	1986
Aug 1974–Jul 1979 60-Month	71.83" (1,824.48mm)	72.50" (1,841.50mm)	-0.67" (-17.02mm)	64th Driest	Driest since: 1978	1904
Aug 1974–Jul 1979 60-Month	71.83" (1,824.48mm)	72.50" (1,841.50mm)	-0.67" (-17.02mm)	60th Wettest	Wettest since: 1973	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