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, March 2022

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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
March 2022 1-Month	0.88" (22.35mm)	2.33" (59.18mm)	-1.45" (-36.83mm)	18th Driest	Driest since: 2015	1956
	0.88" (22.35mm)	2.33" (59.18mm)	-1.45" (-36.83mm)	111th Wettest	Wettest since: 2021	1995
	Ties: 1932
Feb–Mar 2022 2-Month	1.11" (28.19mm)	5.05" (128.27mm)	-3.94" (-100.08mm)	3rd Driest	Driest since: 1988	1923
Feb–Mar 2022 2-Month	1.11" (28.19mm)	5.05" (128.27mm)	-3.94" (-100.08mm)	126th Wettest	Wettest since: 2021	1938
Jan–Mar 2022 3-Month	1.44" (36.58mm)	8.03" (203.96mm)	-6.59" (-167.38mm)	1st Driest	Driest since: 2022	2022
Jan–Mar 2022 3-Month	1.44" (36.58mm)	8.03" (203.96mm)	-6.59" (-167.38mm)	128th Wettest	Wettest since: 2021	1995
Dec 2021–Mar 2022 4-Month	5.99" (152.15mm)	10.58" (268.73mm)	-4.59" (-116.58mm)	8th Driest	Driest since: 1990	1977
Dec 2021–Mar 2022 4-Month	5.99" (152.15mm)	10.58" (268.73mm)	-4.59" (-116.58mm)	120th Wettest	Wettest since: 2021	1907
Nov 2021–Mar 2022 5-Month	6.62" (168.15mm)	12.46" (316.48mm)	-5.84" (-148.33mm)	5th Driest	Driest since: 1990	1977
Nov 2021–Mar 2022 5-Month	6.62" (168.15mm)	12.46" (316.48mm)	-5.84" (-148.33mm)	123rd Wettest	Wettest since: 2021	1983
Oct 2021–Mar 2022 6-Month	9.60" (243.84mm)	13.48" (342.39mm)	-3.88" (-98.55mm)	27th Driest	Driest since: 2021	1977
Oct 2021–Mar 2022 6-Month	9.60" (243.84mm)	13.48" (342.39mm)	-3.88" (-98.55mm)	101st Wettest	Wettest since: 2019	1983
Sep 2021–Mar 2022 7-Month	9.92" (251.97mm)	13.98" (355.09mm)	-4.06" (-103.12mm)	23rd Driest	Driest since: 2021	1977
Sep 2021–Mar 2022 7-Month	9.92" (251.97mm)	13.98" (355.09mm)	-4.06" (-103.12mm)	105th Wettest	Wettest since: 2019	1983
Aug 2021–Mar 2022 8-Month	10.08" (256.03mm)	14.37" (365.00mm)	-4.29" (-108.97mm)	19th Driest	Driest since: 2021	1977
Aug 2021–Mar 2022 8-Month	10.08" (256.03mm)	14.37" (365.00mm)	-4.29" (-108.97mm)	109th Wettest	Wettest since: 2019	1983
Jul 2021–Mar 2022 9-Month	10.60" (269.24mm)	14.69" (373.13mm)	-4.09" (-103.89mm)	21st Driest	Driest since: 2021	2021
Jul 2021–Mar 2022 9-Month	10.60" (269.24mm)	14.69" (373.13mm)	-4.09" (-103.89mm)	107th Wettest	Wettest since: 2019	1983
Jun 2021–Mar 2022 10-Month	10.76" (273.30mm)	15.19" (385.83mm)	-4.43" (-112.53mm)	18th Driest	Driest since: 2021	2021
Jun 2021–Mar 2022 10-Month	10.76" (273.30mm)	15.19" (385.83mm)	-4.43" (-112.53mm)	110th Wettest	Wettest since: 2019	1983
May 2021–Mar 2022 11-Month	11.10" (281.94mm)	16.11" (409.19mm)	-5.01" (-127.25mm)	12th Driest	Driest since: 2021	1977
May 2021–Mar 2022 11-Month	11.10" (281.94mm)	16.11" (409.19mm)	-5.01" (-127.25mm)	116th Wettest	Wettest since: 2020	1983
Apr 2021–Mar 2022 12-Month	11.44" (290.58mm)	17.45" (443.23mm)	-6.01" (-152.65mm)	7th Driest	Driest since: 2021	1977
Apr 2021–Mar 2022 12-Month	11.44" (290.58mm)	17.45" (443.23mm)	-6.01" (-152.65mm)	121st Wettest	Wettest since: 2020	1983
Oct 2020–Mar 2022 18-Month	18.90" (480.06mm)	30.93" (785.62mm)	-12.03" (-305.56mm)	2nd Driest	Driest since: 1977	1977
Oct 2020–Mar 2022 18-Month	18.90" (480.06mm)	30.93" (785.62mm)	-12.03" (-305.56mm)	125th Wettest	Wettest since: 2021	1983
Apr 2020–Mar 2022 24-Month	21.87" (555.50mm)	34.89" (886.21mm)	-13.02" (-330.71mm)	1st Driest	Driest since: 2022	2022
Apr 2020–Mar 2022 24-Month	21.87" (555.50mm)	34.89" (886.21mm)	-13.02" (-330.71mm)	126th Wettest	Wettest since: 2021	1983
Apr 2019–Mar 2022 36-Month	35.95" (913.13mm)	52.29" (1,328.17mm)	-16.34" (-415.04mm)	1st Driest	Driest since: 2022	2022
Apr 2019–Mar 2022 36-Month	35.95" (913.13mm)	52.29" (1,328.17mm)	-16.34" (-415.04mm)	125th Wettest	Wettest since: 2021	1984
Apr 2018–Mar 2022 48-Month	56.77" (1,441.96mm)	69.54" (1,766.32mm)	-12.77" (-324.36mm)	9th Driest	Driest since: 2015	2015
Apr 2018–Mar 2022 48-Month	56.77" (1,441.96mm)	69.54" (1,766.32mm)	-12.77" (-324.36mm)	116th Wettest	Wettest since: 2021	1998
Apr 2017–Mar 2022 60-Month	70.25" (1,784.35mm)	86.83" (2,205.48mm)	-16.58" (-421.13mm)	5th Driest	Driest since: 2016	1933
Apr 2017–Mar 2022 60-Month	70.25" (1,784.35mm)	86.83" (2,205.48mm)	-16.58" (-421.13mm)	119th Wettest	Wettest since: 2021	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings