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.

West Climate Region

Precipitation Rankings, April 1984

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
April 1984 1-Month	1.09" (27.69mm)	1.33" (33.78mm)	-0.24" (-6.09mm)	54th Driest	Driest since: 1981	1909
April 1984 1-Month	1.09" (27.69mm)	1.33" (33.78mm)	-0.24" (-6.09mm)	75th Wettest	Wettest since: 1983	1935
Mar–Apr 1984 2-Month	2.46" (62.48mm)	3.67" (93.22mm)	-1.21" (-30.74mm)	41st Driest	Driest since: 1977	2008
	2.46" (62.48mm)	3.67" (93.22mm)	-1.21" (-30.74mm)	88th Wettest	Wettest since: 1983	1983
	Ties: 1985
Feb–Apr 1984 3-Month	4.08" (103.63mm)	6.39" (162.31mm)	-2.31" (-58.68mm)	30th Driest	Driest since: 1977	1997
Feb–Apr 1984 3-Month	4.08" (103.63mm)	6.39" (162.31mm)	-2.31" (-58.68mm)	99th Wettest	Wettest since: 1983	1983
Jan–Apr 1984 4-Month	4.42" (112.27mm)	9.37" (238.00mm)	-4.95" (-125.73mm)	6th Driest	Driest since: 1977	2022
Jan–Apr 1984 4-Month	4.42" (112.27mm)	9.37" (238.00mm)	-4.95" (-125.73mm)	123rd Wettest	Wettest since: 1983	1995
Dec 1983–Apr 1984 5-Month	9.67" (245.62mm)	11.92" (302.77mm)	-2.25" (-57.15mm)	43rd Driest	Driest since: 1977	1977
Dec 1983–Apr 1984 5-Month	9.67" (245.62mm)	11.92" (302.77mm)	-2.25" (-57.15mm)	85th Wettest	Wettest since: 1983	1978
Nov 1983–Apr 1984 6-Month	14.33" (363.98mm)	13.79" (350.27mm)	0.54" (13.71mm)	81st Driest	Driest since: 1981	1977
Nov 1983–Apr 1984 6-Month	14.33" (363.98mm)	13.79" (350.27mm)	0.54" (13.71mm)	47th Wettest	Wettest since: 1983	1983
Oct 1983–Apr 1984 7-Month	15.42" (391.67mm)	14.82" (376.43mm)	0.60" (15.24mm)	78th Driest	Driest since: 1981	1977
	15.42" (391.67mm)	14.82" (376.43mm)	0.60" (15.24mm)	50th Wettest	Wettest since: 1983	1983
	Ties: 1903
Sep 1983–Apr 1984 8-Month	16.45" (417.83mm)	15.31" (388.87mm)	1.14" (28.96mm)	87th Driest	Driest since: 1981	1977
Sep 1983–Apr 1984 8-Month	16.45" (417.83mm)	15.31" (388.87mm)	1.14" (28.96mm)	41st Wettest	Wettest since: 1983	1983
Aug 1983–Apr 1984 9-Month	18.13" (460.50mm)	15.70" (398.78mm)	2.43" (61.72mm)	93rd Driest	Driest since: 1981	1977
Aug 1983–Apr 1984 9-Month	18.13" (460.50mm)	15.70" (398.78mm)	2.43" (61.72mm)	35th Wettest	Wettest since: 1983	1983
Jul 1983–Apr 1984 10-Month	18.25" (463.55mm)	16.03" (407.16mm)	2.22" (56.39mm)	92nd Driest	Driest since: 1981	2021
Jul 1983–Apr 1984 10-Month	18.25" (463.55mm)	16.03" (407.16mm)	2.22" (56.39mm)	36th Wettest	Wettest since: 1983	1983
Jun 1983–Apr 1984 11-Month	18.70" (474.98mm)	16.52" (419.61mm)	2.18" (55.37mm)	95th Driest	Driest since: 1981	2021
Jun 1983–Apr 1984 11-Month	18.70" (474.98mm)	16.52" (419.61mm)	2.18" (55.37mm)	33rd Wettest	Wettest since: 1983	1983
May 1983–Apr 1984 12-Month	19.24" (488.70mm)	17.44" (442.98mm)	1.80" (45.72mm)	86th Driest	Driest since: 1981	1977
May 1983–Apr 1984 12-Month	19.24" (488.70mm)	17.44" (442.98mm)	1.80" (45.72mm)	42nd Wettest	Wettest since: 1983	1983
Nov 1982–Apr 1984 18-Month	43.61" (1,107.69mm)	31.22" (792.99mm)	12.39" (314.70mm)	125th Driest	Driest since: 1982	1977
Nov 1982–Apr 1984 18-Month	43.61" (1,107.69mm)	31.22" (792.99mm)	12.39" (314.70mm)	2nd Wettest	Wettest since: 1983	1983
May 1982–Apr 1984 24-Month	49.62" (1,260.35mm)	34.90" (886.46mm)	14.72" (373.89mm)	125th Driest	Driest since: 1982	1977
May 1982–Apr 1984 24-Month	49.62" (1,260.35mm)	34.90" (886.46mm)	14.72" (373.89mm)	2nd Wettest	Wettest since: 1983	1983
May 1981–Apr 1984 36-Month	72.66" (1,845.56mm)	52.30" (1,328.42mm)	20.36" (517.14mm)	125th Driest	Driest since: 1983	2022
May 1981–Apr 1984 36-Month	72.66" (1,845.56mm)	52.30" (1,328.42mm)	20.36" (517.14mm)	1st Wettest	Wettest to Date	1984
May 1980–Apr 1984 48-Month	86.86" (2,206.24mm)	69.56" (1,766.82mm)	17.30" (439.42mm)	121st Driest	Driest since: 1982	2015
May 1980–Apr 1984 48-Month	86.86" (2,206.24mm)	69.56" (1,766.82mm)	17.30" (439.42mm)	4th Wettest	Wettest since: 1983	1998
May 1979–Apr 1984 60-Month	108.60" (2,758.44mm)	86.83" (2,205.48mm)	21.77" (552.96mm)	121st Driest	Driest since: 1983	1933
May 1979–Apr 1984 60-Month	108.60" (2,758.44mm)	86.83" (2,205.48mm)	21.77" (552.96mm)	3rd Wettest	Wettest to Date	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings