Regional Rankings

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Month:

Region:

Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 1978

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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
August 1978 1-Month	1.37" (34.80mm)	2.02" (51.31mm)	-0.65" (-16.51mm)	20th Driest	Driest since: 1976	1962
August 1978 1-Month	1.37" (34.80mm)	2.02" (51.31mm)	-0.65" (-16.51mm)	109th Wettest	Wettest since: 1977	1963
Jul–Aug 1978 2-Month	2.36" (59.94mm)	3.89" (98.81mm)	-1.53" (-38.87mm)	4th Driest	Driest since: 1900	2020
Jul–Aug 1978 2-Month	2.36" (59.94mm)	3.89" (98.81mm)	-1.53" (-38.87mm)	125th Wettest	Wettest since: 1977	1921
Jun–Aug 1978 3-Month	3.31" (84.07mm)	4.83" (122.68mm)	-1.52" (-38.61mm)	9th Driest	Driest since: 1956	2020
Jun–Aug 1978 3-Month	3.31" (84.07mm)	4.83" (122.68mm)	-1.52" (-38.61mm)	120th Wettest	Wettest since: 1977	1921
May–Aug 1978 4-Month	4.85" (123.19mm)	5.94" (150.88mm)	-1.09" (-27.69mm)	20th Driest	Driest since: 1974	2020
May–Aug 1978 4-Month	4.85" (123.19mm)	5.94" (150.88mm)	-1.09" (-27.69mm)	109th Wettest	Wettest since: 1977	1921
Apr–Aug 1978 5-Month	5.82" (147.83mm)	7.00" (177.80mm)	-1.18" (-29.97mm)	21st Driest	Driest since: 1974	2020
Apr–Aug 1978 5-Month	5.82" (147.83mm)	7.00" (177.80mm)	-1.18" (-29.97mm)	108th Wettest	Wettest since: 1977	1999
Mar–Aug 1978 6-Month	7.74" (196.60mm)	8.15" (207.01mm)	-0.41" (-10.41mm)	53rd Driest	Driest since: 1976	2002
	7.74" (196.60mm)	8.15" (207.01mm)	-0.41" (-10.41mm)	76th Wettest	Wettest since: 1977	1941
	Ties: 1970
Feb–Aug 1978 7-Month	9.23" (234.44mm)	9.16" (232.66mm)	0.07" (1.78mm)	75th Driest	Driest since: 1977	2002
Feb–Aug 1978 7-Month	9.23" (234.44mm)	9.16" (232.66mm)	0.07" (1.78mm)	54th Wettest	Wettest since: 1973	1941
Jan–Aug 1978 8-Month	11.11" (282.19mm)	10.14" (257.56mm)	0.97" (24.63mm)	97th Driest	Driest since: 1977	2002
Jan–Aug 1978 8-Month	11.11" (282.19mm)	10.14" (257.56mm)	0.97" (24.63mm)	32nd Wettest	Wettest since: 1969	1941
Dec 1977–Aug 1978 9-Month	11.88" (301.75mm)	11.15" (283.21mm)	0.73" (18.54mm)	86th Driest	Driest since: 1977	2002
Dec 1977–Aug 1978 9-Month	11.88" (301.75mm)	11.15" (283.21mm)	0.73" (18.54mm)	42nd Wettest	Wettest since: 1973	1941
Nov 1977–Aug 1978 10-Month	12.59" (319.79mm)	12.04" (305.82mm)	0.55" (13.97mm)	86th Driest	Driest since: 1977	2002
Nov 1977–Aug 1978 10-Month	12.59" (319.79mm)	12.04" (305.82mm)	0.55" (13.97mm)	42nd Wettest	Wettest since: 1973	1941
Oct 1977–Aug 1978 11-Month	13.46" (341.88mm)	13.17" (334.52mm)	0.29" (7.36mm)	74th Driest	Driest since: 1977	2002
Oct 1977–Aug 1978 11-Month	13.46" (341.88mm)	13.17" (334.52mm)	0.29" (7.36mm)	54th Wettest	Wettest since: 1973	1941
Sep 1977–Aug 1978 12-Month	14.52" (368.81mm)	14.54" (369.32mm)	-0.02" (-0.51mm)	69th Driest	Driest since: 1977	2002
Sep 1977–Aug 1978 12-Month	14.52" (368.81mm)	14.54" (369.32mm)	-0.02" (-0.51mm)	59th Wettest	Wettest since: 1975	1941
Mar 1977–Aug 1978 18-Month	22.57" (573.28mm)	22.69" (576.33mm)	-0.12" (-3.05mm)	75th Driest	Driest since: 1977	2002
Mar 1977–Aug 1978 18-Month	22.57" (573.28mm)	22.69" (576.33mm)	-0.12" (-3.05mm)	53rd Wettest	Wettest since: 1973	1942
Sep 1976–Aug 1978 24-Month	27.06" (687.32mm)	29.09" (738.89mm)	-2.03" (-51.57mm)	43rd Driest	Driest since: 1977	2003
Sep 1976–Aug 1978 24-Month	27.06" (687.32mm)	29.09" (738.89mm)	-2.03" (-51.57mm)	84th Wettest	Wettest since: 1974	1942
Sep 1975–Aug 1978 36-Month	39.35" (999.49mm)	43.58" (1,106.93mm)	-4.23" (-107.44mm)	27th Driest	Driest since: 1976	1956
Sep 1975–Aug 1978 36-Month	39.35" (999.49mm)	43.58" (1,106.93mm)	-4.23" (-107.44mm)	99th Wettest	Wettest since: 1977	1907
Sep 1974–Aug 1978 48-Month	53.96" (1,370.58mm)	58.05" (1,474.47mm)	-4.09" (-103.89mm)	33rd Driest	Driest since: 1977	1956
Sep 1974–Aug 1978 48-Month	53.96" (1,370.58mm)	58.05" (1,474.47mm)	-4.09" (-103.89mm)	92nd Wettest	Wettest since: 1976	1986
Sep 1973–Aug 1978 60-Month	64.41" (1,636.01mm)	72.53" (1,842.26mm)	-8.12" (-206.25mm)	13th Driest	Driest since: 1958	2004
Sep 1973–Aug 1978 60-Month	64.41" (1,636.01mm)	72.53" (1,842.26mm)	-8.12" (-206.25mm)	111th Wettest	Wettest since: 1977	1987

Citing This Page

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