Regional Rankings

Parameter:

Year:

Month:

Region:

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 2002

View Period (Months):

All

Download:

Record Driest

Bottom 1/10

Bottom 1/3

Normal

Top 1/3

Top 1/10

Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
April 2002 1-Month	0.88" (22.35mm)	1.33" (33.78mm)	-0.45" (-11.43mm)	41st Driest	Driest since: 1997	1909
	0.88" (22.35mm)	1.33" (33.78mm)	-0.45" (-11.43mm)	88th Wettest	Wettest since: 2001	1935
	Ties: 1979, 1981
Mar–Apr 2002 2-Month	2.22" (56.39mm)	3.67" (93.22mm)	-1.45" (-36.83mm)	23rd Driest	Driest since: 1997	2008
Mar–Apr 2002 2-Month	2.22" (56.39mm)	3.67" (93.22mm)	-1.45" (-36.83mm)	106th Wettest	Wettest since: 2001	1983
Feb–Apr 2002 3-Month	3.31" (84.07mm)	6.39" (162.31mm)	-3.08" (-78.24mm)	12th Driest	Driest since: 1997	1997
	3.31" (84.07mm)	6.39" (162.31mm)	-3.08" (-78.24mm)	117th Wettest	Wettest since: 2001	1983
	Ties: 1988
Jan–Apr 2002 4-Month	4.89" (124.21mm)	9.37" (238.00mm)	-4.48" (-113.79mm)	12th Driest	Driest since: 1985	2022
Jan–Apr 2002 4-Month	4.89" (124.21mm)	9.37" (238.00mm)	-4.48" (-113.79mm)	117th Wettest	Wettest since: 2001	1995
Dec 2001–Apr 2002 5-Month	8.54" (216.92mm)	11.92" (302.77mm)	-3.38" (-85.85mm)	28th Driest	Driest since: 1994	1977
	8.54" (216.92mm)	11.92" (302.77mm)	-3.38" (-85.85mm)	100th Wettest	Wettest since: 2001	1978
	Ties: 1934
Nov 2001–Apr 2002 6-Month	11.53" (292.86mm)	13.79" (350.27mm)	-2.26" (-57.41mm)	49th Driest	Driest since: 2001	1977
Nov 2001–Apr 2002 6-Month	11.53" (292.86mm)	13.79" (350.27mm)	-2.26" (-57.41mm)	79th Wettest	Wettest since: 2000	1983
Oct 2001–Apr 2002 7-Month	12.02" (305.31mm)	14.82" (376.43mm)	-2.80" (-71.12mm)	44th Driest	Driest since: 2001	1977
	12.02" (305.31mm)	14.82" (376.43mm)	-2.80" (-71.12mm)	84th Wettest	Wettest since: 2001	1983
	Ties: 2001
Sep 2001–Apr 2002 8-Month	12.30" (312.42mm)	15.31" (388.87mm)	-3.01" (-76.45mm)	42nd Driest	Driest since: 1994	1977
Sep 2001–Apr 2002 8-Month	12.30" (312.42mm)	15.31" (388.87mm)	-3.01" (-76.45mm)	86th Wettest	Wettest since: 2001	1983
Aug 2001–Apr 2002 9-Month	12.44" (315.98mm)	15.70" (398.78mm)	-3.26" (-82.80mm)	40th Driest	Driest since: 1994	1977
	12.44" (315.98mm)	15.70" (398.78mm)	-3.26" (-82.80mm)	88th Wettest	Wettest since: 2001	1983
	Ties: 1968
Jul 2001–Apr 2002 10-Month	12.94" (328.68mm)	16.03" (407.16mm)	-3.09" (-78.48mm)	41st Driest	Driest since: 1994	2021
	12.94" (328.68mm)	16.03" (407.16mm)	-3.09" (-78.48mm)	87th Wettest	Wettest since: 2001	1983
	Ties: 1968
Jun 2001–Apr 2002 11-Month	13.13" (333.50mm)	16.52" (419.61mm)	-3.39" (-86.11mm)	37th Driest	Driest since: 1994	2021
	13.13" (333.50mm)	16.52" (419.61mm)	-3.39" (-86.11mm)	91st Wettest	Wettest since: 2001	1983
	Ties: 1947
May 2001–Apr 2002 12-Month	13.28" (337.31mm)	17.44" (442.98mm)	-4.16" (-105.67mm)	25th Driest	Driest since: 1994	1977
May 2001–Apr 2002 12-Month	13.28" (337.31mm)	17.44" (442.98mm)	-4.16" (-105.67mm)	103rd Wettest	Wettest since: 2001	1983
Nov 2000–Apr 2002 18-Month	23.33" (592.58mm)	31.22" (792.99mm)	-7.89" (-200.41mm)	18th Driest	Driest since: 1991	1977
Nov 2000–Apr 2002 18-Month	23.33" (592.58mm)	31.22" (792.99mm)	-7.89" (-200.41mm)	109th Wettest	Wettest since: 2001	1983
May 2000–Apr 2002 24-Month	27.54" (699.52mm)	34.90" (886.46mm)	-7.36" (-186.94mm)	22nd Driest	Driest since: 1991	1977
May 2000–Apr 2002 24-Month	27.54" (699.52mm)	34.90" (886.46mm)	-7.36" (-186.94mm)	105th Wettest	Wettest since: 2001	1983
May 1999–Apr 2002 36-Month	43.36" (1,101.34mm)	52.30" (1,328.42mm)	-8.94" (-227.08mm)	19th Driest	Driest since: 1992	2022
May 1999–Apr 2002 36-Month	43.36" (1,101.34mm)	52.30" (1,328.42mm)	-8.94" (-227.08mm)	107th Wettest	Wettest since: 2001	1984
May 1998–Apr 2002 48-Month	63.39" (1,610.11mm)	69.56" (1,766.82mm)	-6.17" (-156.71mm)	37th Driest	Driest since: 1992	2015
May 1998–Apr 2002 48-Month	63.39" (1,610.11mm)	69.56" (1,766.82mm)	-6.17" (-156.71mm)	88th Wettest	Wettest since: 2001	1998
May 1997–Apr 2002 60-Month	89.72" (2,278.89mm)	86.83" (2,205.48mm)	2.89" (73.41mm)	84th Driest	Driest since: 1994	1933
May 1997–Apr 2002 60-Month	89.72" (2,278.89mm)	86.83" (2,205.48mm)	2.89" (73.41mm)	40th Wettest	Wettest since: 2001	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings