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, May 1908

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
May 1908 1-Month	1.21" (30.73mm)	1.11" (28.19mm)	0.10" (2.54mm)	84th Driest	Driest since: 1906	1974
	1.21" (30.73mm)	1.11" (28.19mm)	0.10" (2.54mm)	45th Wettest	Wettest since: 1907	2015
	Ties: 1983
Apr–May 1908 2-Month	2.21" (56.13mm)	2.17" (55.12mm)	0.04" (1.01mm)	68th Driest	Driest since: 1904	2002
	2.21" (56.13mm)	2.17" (55.12mm)	0.04" (1.01mm)	61st Wettest	Wettest since: 1907	1941
	Ties: 1940
Mar–May 1908 3-Month	2.93" (74.42mm)	3.33" (84.58mm)	-0.40" (-10.16mm)	50th Driest	Driest since: 1904	2002
Mar–May 1908 3-Month	2.93" (74.42mm)	3.33" (84.58mm)	-0.40" (-10.16mm)	79th Wettest	Wettest since: 1907	1941
Feb–May 1908 4-Month	4.51" (114.55mm)	4.33" (109.98mm)	0.18" (4.57mm)	82nd Driest	Driest since: 1904	2002
Feb–May 1908 4-Month	4.51" (114.55mm)	4.33" (109.98mm)	0.18" (4.57mm)	47th Wettest	Wettest since: 1907	1905
Jan–May 1908 5-Month	5.31" (134.87mm)	5.31" (134.87mm)	0.00" (0.00mm)	74th Driest	Driest since: 1904	1972
Jan–May 1908 5-Month	5.31" (134.87mm)	5.31" (134.87mm)	0.00" (0.00mm)	55th Wettest	Wettest since: 1907	1905
Dec 1907–May 1908 6-Month	6.05" (153.67mm)	6.32" (160.53mm)	-0.27" (-6.86mm)	69th Driest	Driest since: 1904	2002
	6.05" (153.67mm)	6.32" (160.53mm)	-0.27" (-6.86mm)	59th Wettest	Wettest since: 1907	1905
	Ties: 1903
Nov 1907–May 1908 7-Month	6.70" (170.18mm)	7.21" (183.13mm)	-0.51" (-12.95mm)	55th Driest	Driest since: 1904	2002
	6.70" (170.18mm)	7.21" (183.13mm)	-0.51" (-12.95mm)	73rd Wettest	Wettest since: 1907	1941
	Ties: 1966
Oct 1907–May 1908 8-Month	8.50" (215.90mm)	8.34" (211.84mm)	0.16" (4.06mm)	76th Driest	Driest since: 1904	2002
Oct 1907–May 1908 8-Month	8.50" (215.90mm)	8.34" (211.84mm)	0.16" (4.06mm)	52nd Wettest	Wettest since: 1907	1941
Sep 1907–May 1908 9-Month	9.31" (236.47mm)	9.71" (246.63mm)	-0.40" (-10.16mm)	62nd Driest	Driest since: 1904	2002
	9.31" (236.47mm)	9.71" (246.63mm)	-0.40" (-10.16mm)	66th Wettest	Wettest since: 1907	1941
	Ties: 1939
Aug 1907–May 1908 10-Month	12.06" (306.32mm)	11.72" (297.69mm)	0.34" (8.63mm)	78th Driest	Driest since: 1904	2002
Aug 1907–May 1908 10-Month	12.06" (306.32mm)	11.72" (297.69mm)	0.34" (8.63mm)	50th Wettest	Wettest since: 1907	1941
Jul 1907–May 1908 11-Month	13.91" (353.31mm)	13.59" (345.19mm)	0.32" (8.12mm)	74th Driest	Driest since: 1904	2021
Jul 1907–May 1908 11-Month	13.91" (353.31mm)	13.59" (345.19mm)	0.32" (8.12mm)	54th Wettest	Wettest since: 1907	1941
Jun 1907–May 1908 12-Month	14.85" (377.19mm)	14.53" (369.06mm)	0.32" (8.13mm)	76th Driest	Driest since: 1904	2021
	14.85" (377.19mm)	14.53" (369.06mm)	0.32" (8.13mm)	52nd Wettest	Wettest since: 1907	1905
	Ties: 1944, 2001
Dec 1906–May 1908 18-Month	23.19" (589.03mm)	20.86" (529.84mm)	2.33" (59.19mm)	103rd Driest	Driest since: 1904	2021
Dec 1906–May 1908 18-Month	23.19" (589.03mm)	20.86" (529.84mm)	2.33" (59.19mm)	24th Wettest	Wettest since: 1907	1942
Jun 1906–May 1908 24-Month	32.36" (821.94mm)	29.05" (737.87mm)	3.31" (84.07mm)	106th Driest	Driest since: 1905	2021
Jun 1906–May 1908 24-Month	32.36" (821.94mm)	29.05" (737.87mm)	3.31" (84.07mm)	21st Wettest	Wettest since: 1907	1942
Jun 1905–May 1908 36-Month	49.00" (1,244.60mm)	43.54" (1,105.92mm)	5.46" (138.68mm)	111th Driest	Driest since: 1906	2022
Jun 1905–May 1908 36-Month	49.00" (1,244.60mm)	43.54" (1,105.92mm)	5.46" (138.68mm)	15th Wettest	Wettest since: 1907	1907
Jun 1904–May 1908 48-Month	69.13" (1,755.90mm)	58.01" (1,473.45mm)	11.12" (282.45mm)	121st Driest	Driest since: 1907	1904
Jun 1904–May 1908 48-Month	69.13" (1,755.90mm)	58.01" (1,473.45mm)	11.12" (282.45mm)	4th Wettest	Wettest to Date	1986
Jun 1903–May 1908 60-Month	79.76" (2,025.90mm)	72.48" (1,840.99mm)	7.28" (184.91mm)	113th Driest	Driest since: 1907	1957
Jun 1903–May 1908 60-Month	79.76" (2,025.90mm)	72.48" (1,840.99mm)	7.28" (184.91mm)	11th Wettest	Wettest to Date	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