Regional Rankings

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Month:

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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.

West Climate Region

Precipitation Rankings, May 1974

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
May 1974 1-Month	0.16" (4.06mm)	0.92" (23.37mm)	-0.76" (-19.31mm)	5th Driest	Driest since: 1954	1924
May 1974 1-Month	0.16" (4.06mm)	0.92" (23.37mm)	-0.76" (-19.31mm)	125th Wettest	Wettest since: 1973	1998
Apr–May 1974 2-Month	1.44" (36.58mm)	2.26" (57.40mm)	-0.82" (-20.82mm)	27th Driest	Driest since: 1973	1909
	1.44" (36.58mm)	2.26" (57.40mm)	-0.82" (-20.82mm)	103rd Wettest	Wettest since: 1971	1896
	Ties: 2014
Mar–May 1974 3-Month	5.04" (128.02mm)	4.59" (116.59mm)	0.45" (11.43mm)	85th Driest	Driest since: 1973	2008
Mar–May 1974 3-Month	5.04" (128.02mm)	4.59" (116.59mm)	0.45" (11.43mm)	45th Wettest	Wettest since: 1971	1995
Feb–May 1974 4-Month	6.15" (156.21mm)	7.31" (185.67mm)	-1.16" (-29.46mm)	48th Driest	Driest since: 1972	1997
Feb–May 1974 4-Month	6.15" (156.21mm)	7.31" (185.67mm)	-1.16" (-29.46mm)	82nd Wettest	Wettest since: 1973	1998
Jan–May 1974 5-Month	9.99" (253.75mm)	10.29" (261.37mm)	-0.30" (-7.62mm)	72nd Driest	Driest since: 1972	2022
Jan–May 1974 5-Month	9.99" (253.75mm)	10.29" (261.37mm)	-0.30" (-7.62mm)	58th Wettest	Wettest since: 1973	1998
Dec 1973–May 1974 6-Month	12.82" (325.63mm)	12.84" (326.14mm)	-0.02" (-0.51mm)	75th Driest	Driest since: 1972	1924
Dec 1973–May 1974 6-Month	12.82" (325.63mm)	12.84" (326.14mm)	-0.02" (-0.51mm)	54th Wettest	Wettest since: 1973	1995
Nov 1973–May 1974 7-Month	17.24" (437.90mm)	14.71" (373.63mm)	2.53" (64.27mm)	95th Driest	Driest since: 1973	1977
Nov 1973–May 1974 7-Month	17.24" (437.90mm)	14.71" (373.63mm)	2.53" (64.27mm)	34th Wettest	Wettest since: 1969	1995
Oct 1973–May 1974 8-Month	18.59" (472.19mm)	15.74" (399.80mm)	2.85" (72.39mm)	99th Driest	Driest since: 1973	1977
	18.59" (472.19mm)	15.74" (399.80mm)	2.85" (72.39mm)	30th Wettest	Wettest since: 1973	1983
	Ties: 1973
Sep 1973–May 1974 9-Month	19.01" (482.85mm)	16.23" (412.24mm)	2.78" (70.61mm)	96th Driest	Driest since: 1972	2021
Sep 1973–May 1974 9-Month	19.01" (482.85mm)	16.23" (412.24mm)	2.78" (70.61mm)	33rd Wettest	Wettest since: 1973	1983
Aug 1973–May 1974 10-Month	19.31" (490.47mm)	16.62" (422.15mm)	2.69" (68.32mm)	97th Driest	Driest since: 1972	2021
Aug 1973–May 1974 10-Month	19.31" (490.47mm)	16.62" (422.15mm)	2.69" (68.32mm)	32nd Wettest	Wettest since: 1973	1983
Jul 1973–May 1974 11-Month	19.53" (496.06mm)	16.95" (430.53mm)	2.58" (65.53mm)	97th Driest	Driest since: 1972	2021
Jul 1973–May 1974 11-Month	19.53" (496.06mm)	16.95" (430.53mm)	2.58" (65.53mm)	32nd Wettest	Wettest since: 1973	1983
Jun 1973–May 1974 12-Month	19.78" (502.41mm)	17.44" (442.98mm)	2.34" (59.43mm)	96th Driest	Driest since: 1972	2021
Jun 1973–May 1974 12-Month	19.78" (502.41mm)	17.44" (442.98mm)	2.34" (59.43mm)	33rd Wettest	Wettest since: 1973	1983
Dec 1972–May 1974 18-Month	33.52" (851.41mm)	30.25" (768.35mm)	3.27" (83.06mm)	96th Driest	Driest since: 1973	1977
	33.52" (851.41mm)	30.25" (768.35mm)	3.27" (83.06mm)	32nd Wettest	Wettest since: 1970	1983
	Ties: 1982
Jun 1972–May 1974 24-Month	40.36" (1,025.14mm)	34.89" (886.21mm)	5.47" (138.93mm)	111th Driest	Driest since: 1973	2022
Jun 1972–May 1974 24-Month	40.36" (1,025.14mm)	34.89" (886.21mm)	5.47" (138.93mm)	17th Wettest	Wettest since: 1970	1983
Jun 1971–May 1974 36-Month	52.92" (1,344.17mm)	52.30" (1,328.42mm)	0.62" (15.75mm)	75th Driest	Driest since: 1973	2022
Jun 1971–May 1974 36-Month	52.92" (1,344.17mm)	52.30" (1,328.42mm)	0.62" (15.75mm)	52nd Wettest	Wettest since: 1971	1984
Jun 1970–May 1974 48-Month	71.72" (1,821.69mm)	69.56" (1,766.82mm)	2.16" (54.87mm)	82nd Driest	Driest since: 1973	2015
Jun 1970–May 1974 48-Month	71.72" (1,821.69mm)	69.56" (1,766.82mm)	2.16" (54.87mm)	44th Wettest	Wettest since: 1972	1998
Jun 1969–May 1974 60-Month	89.06" (2,262.12mm)	86.83" (2,205.48mm)	2.23" (56.64mm)	81st Driest	Driest since: 1972	1933
Jun 1969–May 1974 60-Month	89.06" (2,262.12mm)	86.83" (2,205.48mm)	2.23" (56.64mm)	44th Wettest	Wettest since: 1973	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published June 2023, retrieved on June 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings