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.

West Climate Region

Precipitation Rankings, April 1981

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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
April 1981 1-Month	0.88" (22.35mm)	1.33" (33.78mm)	-0.45" (-11.43mm)	41st Driest	Driest since: 1979	1909
	0.88" (22.35mm)	1.33" (33.78mm)	-0.45" (-11.43mm)	88th Wettest	Wettest since: 1980	1935
	Ties: 1979, 2002
Mar–Apr 1981 2-Month	4.00" (101.60mm)	3.67" (93.22mm)	0.33" (8.38mm)	83rd Driest	Driest since: 1980	2008
Mar–Apr 1981 2-Month	4.00" (101.60mm)	3.67" (93.22mm)	0.33" (8.38mm)	46th Wettest	Wettest since: 1978	1983
Feb–Apr 1981 3-Month	5.42" (137.67mm)	6.39" (162.31mm)	-0.97" (-24.64mm)	54th Driest	Driest since: 1977	1997
Feb–Apr 1981 3-Month	5.42" (137.67mm)	6.39" (162.31mm)	-0.97" (-24.64mm)	75th Wettest	Wettest since: 1980	1983
Jan–Apr 1981 4-Month	8.33" (211.58mm)	9.37" (238.00mm)	-1.04" (-26.42mm)	58th Driest	Driest since: 1977	2022
	8.33" (211.58mm)	9.37" (238.00mm)	-1.04" (-26.42mm)	71st Wettest	Wettest since: 1980	1995
	Ties: 2003
Dec 1980–Apr 1981 5-Month	10.04" (255.02mm)	11.92" (302.77mm)	-1.88" (-47.75mm)	53rd Driest	Driest since: 1977	1977
	10.04" (255.02mm)	11.92" (302.77mm)	-1.88" (-47.75mm)	75th Wettest	Wettest since: 1980	1978
	Ties: 1991
Nov 1980–Apr 1981 6-Month	10.68" (271.27mm)	13.79" (350.27mm)	-3.11" (-79.00mm)	34th Driest	Driest since: 1977	1977
Nov 1980–Apr 1981 6-Month	10.68" (271.27mm)	13.79" (350.27mm)	-3.11" (-79.00mm)	94th Wettest	Wettest since: 1980	1983
Oct 1980–Apr 1981 7-Month	11.14" (282.96mm)	14.82" (376.43mm)	-3.68" (-93.47mm)	30th Driest	Driest since: 1977	1977
Oct 1980–Apr 1981 7-Month	11.14" (282.96mm)	14.82" (376.43mm)	-3.68" (-93.47mm)	98th Wettest	Wettest since: 1980	1983
Sep 1980–Apr 1981 8-Month	11.73" (297.94mm)	15.31" (388.87mm)	-3.58" (-90.93mm)	33rd Driest	Driest since: 1977	1977
Sep 1980–Apr 1981 8-Month	11.73" (297.94mm)	15.31" (388.87mm)	-3.58" (-90.93mm)	95th Wettest	Wettest since: 1980	1983
Aug 1980–Apr 1981 9-Month	11.84" (300.74mm)	15.70" (398.78mm)	-3.86" (-98.04mm)	28th Driest	Driest since: 1977	1977
Aug 1980–Apr 1981 9-Month	11.84" (300.74mm)	15.70" (398.78mm)	-3.86" (-98.04mm)	100th Wettest	Wettest since: 1980	1983
Jul 1980–Apr 1981 10-Month	12.28" (311.91mm)	16.03" (407.16mm)	-3.75" (-95.25mm)	33rd Driest	Driest since: 1977	2021
Jul 1980–Apr 1981 10-Month	12.28" (311.91mm)	16.03" (407.16mm)	-3.75" (-95.25mm)	95th Wettest	Wettest since: 1980	1983
Jun 1980–Apr 1981 11-Month	12.72" (323.09mm)	16.52" (419.61mm)	-3.80" (-96.52mm)	33rd Driest	Driest since: 1977	2021
Jun 1980–Apr 1981 11-Month	12.72" (323.09mm)	16.52" (419.61mm)	-3.80" (-96.52mm)	95th Wettest	Wettest since: 1980	1983
May 1980–Apr 1981 12-Month	14.20" (360.68mm)	17.44" (442.98mm)	-3.24" (-82.30mm)	40th Driest	Driest since: 1977	1977
May 1980–Apr 1981 12-Month	14.20" (360.68mm)	17.44" (442.98mm)	-3.24" (-82.30mm)	88th Wettest	Wettest since: 1980	1983
Nov 1979–Apr 1981 18-Month	31.69" (804.93mm)	31.22" (792.99mm)	0.47" (11.94mm)	71st Driest	Driest since: 1977	1977
Nov 1979–Apr 1981 18-Month	31.69" (804.93mm)	31.22" (792.99mm)	0.47" (11.94mm)	56th Wettest	Wettest since: 1980	1983
May 1979–Apr 1981 24-Month	35.94" (912.88mm)	34.90" (886.46mm)	1.04" (26.42mm)	78th Driest	Driest since: 1977	1977
May 1979–Apr 1981 24-Month	35.94" (912.88mm)	34.90" (886.46mm)	1.04" (26.42mm)	49th Wettest	Wettest since: 1980	1983
May 1978–Apr 1981 36-Month	52.07" (1,322.58mm)	52.30" (1,328.42mm)	-0.23" (-5.84mm)	69th Driest	Driest since: 1978	2022
May 1978–Apr 1981 36-Month	52.07" (1,322.58mm)	52.30" (1,328.42mm)	-0.23" (-5.84mm)	57th Wettest	Wettest since: 1980	1984
May 1977–Apr 1981 48-Month	79.79" (2,026.67mm)	69.56" (1,766.82mm)	10.23" (259.85mm)	108th Driest	Driest since: 1980	2015
May 1977–Apr 1981 48-Month	79.79" (2,026.67mm)	69.56" (1,766.82mm)	10.23" (259.85mm)	17th Wettest	Wettest since: 1944	1998
May 1976–Apr 1981 60-Month	88.74" (2,254.00mm)	86.83" (2,205.48mm)	1.91" (48.52mm)	79th Driest	Driest since: 1980	1933
May 1976–Apr 1981 60-Month	88.74" (2,254.00mm)	86.83" (2,205.48mm)	1.91" (48.52mm)	45th Wettest	Wettest since: 1974	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings