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.

Southwest Climate Region

Precipitation Rankings, April 1904

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
April 1904 1-Month	0.49" (12.45mm)	1.06" (26.92mm)	-0.57" (-14.47mm)	11th Driest	Driest since: 1902	1989
	0.49" (12.45mm)	1.06" (26.92mm)	-0.57" (-14.47mm)	118th Wettest	Wettest since: 1903	1900
	Ties: 1899
Mar–Apr 1904 2-Month	1.56" (39.62mm)	2.21" (56.13mm)	-0.65" (-16.51mm)	32nd Driest	Driest since: 1902	1972
Mar–Apr 1904 2-Month	1.56" (39.62mm)	2.21" (56.13mm)	-0.65" (-16.51mm)	97th Wettest	Wettest since: 1903	1905
Feb–Apr 1904 3-Month	2.22" (56.39mm)	3.21" (81.53mm)	-0.99" (-25.14mm)	26th Driest	Driest since: 1902	1972
Feb–Apr 1904 3-Month	2.22" (56.39mm)	3.21" (81.53mm)	-0.99" (-25.14mm)	103rd Wettest	Wettest since: 1903	1905
Jan–Apr 1904 4-Month	2.59" (65.79mm)	4.20" (106.68mm)	-1.61" (-40.89mm)	12th Driest	Driest since: 1902	1972
Jan–Apr 1904 4-Month	2.59" (65.79mm)	4.20" (106.68mm)	-1.61" (-40.89mm)	117th Wettest	Wettest since: 1903	1905
Dec 1903–Apr 1904 5-Month	2.79" (70.87mm)	5.21" (132.33mm)	-2.42" (-61.46mm)	3rd Driest	Driest since: 1904	2002
Dec 1903–Apr 1904 5-Month	2.79" (70.87mm)	5.21" (132.33mm)	-2.42" (-61.46mm)	125th Wettest	Wettest since: 1903	1905
Nov 1903–Apr 1904 6-Month	2.96" (75.18mm)	6.10" (154.94mm)	-3.14" (-79.76mm)	1st Driest	Driest since: 1904	1904
Nov 1903–Apr 1904 6-Month	2.96" (75.18mm)	6.10" (154.94mm)	-3.14" (-79.76mm)	127th Wettest	Wettest since: 1903	1941
Oct 1903–Apr 1904 7-Month	3.48" (88.39mm)	7.23" (183.64mm)	-3.75" (-95.25mm)	1st Driest	Driest since: 1904	1904
Oct 1903–Apr 1904 7-Month	3.48" (88.39mm)	7.23" (183.64mm)	-3.75" (-95.25mm)	127th Wettest	Wettest since: 1903	1941
Sep 1903–Apr 1904 8-Month	4.91" (124.71mm)	8.60" (218.44mm)	-3.69" (-93.73mm)	2nd Driest	Driest since: 1904	2002
Sep 1903–Apr 1904 8-Month	4.91" (124.71mm)	8.60" (218.44mm)	-3.69" (-93.73mm)	126th Wettest	Wettest since: 1903	1941
Aug 1903–Apr 1904 9-Month	6.30" (160.02mm)	10.61" (269.49mm)	-4.31" (-109.47mm)	2nd Driest	Driest since: 1904	2021
Aug 1903–Apr 1904 9-Month	6.30" (160.02mm)	10.61" (269.49mm)	-4.31" (-109.47mm)	126th Wettest	Wettest since: 1903	1905
Jul 1903–Apr 1904 10-Month	7.36" (186.94mm)	12.48" (316.99mm)	-5.12" (-130.05mm)	2nd Driest	Driest since: 1904	2021
Jul 1903–Apr 1904 10-Month	7.36" (186.94mm)	12.48" (316.99mm)	-5.12" (-130.05mm)	126th Wettest	Wettest since: 1903	1905
Jun 1903–Apr 1904 11-Month	9.32" (236.73mm)	13.41" (340.61mm)	-4.09" (-103.88mm)	5th Driest	Driest since: 1902	2021
Jun 1903–Apr 1904 11-Month	9.32" (236.73mm)	13.41" (340.61mm)	-4.09" (-103.88mm)	123rd Wettest	Wettest since: 1903	1905
May 1903–Apr 1904 12-Month	10.18" (258.57mm)	14.53" (369.06mm)	-4.35" (-110.49mm)	4th Driest	Driest since: 1904	2021
May 1903–Apr 1904 12-Month	10.18" (258.57mm)	14.53" (369.06mm)	-4.35" (-110.49mm)	124th Wettest	Wettest since: 1903	1942
Nov 1902–Apr 1904 18-Month	16.72" (424.69mm)	20.64" (524.26mm)	-3.92" (-99.57mm)	16th Driest	Driest since: 1902	2021
Nov 1902–Apr 1904 18-Month	16.72" (424.69mm)	20.64" (524.26mm)	-3.92" (-99.57mm)	111th Wettest	Wettest since: 1903	1942
May 1902–Apr 1904 24-Month	23.43" (595.12mm)	29.05" (737.87mm)	-5.62" (-142.75mm)	8th Driest	Driest since: 1902	2022
May 1902–Apr 1904 24-Month	23.43" (595.12mm)	29.05" (737.87mm)	-5.62" (-142.75mm)	119th Wettest	Wettest since: 1903	1942
May 1901–Apr 1904 36-Month	34.05" (864.87mm)	43.55" (1,106.17mm)	-9.50" (-241.30mm)	1st Driest	Driest since: 1904	1904
May 1901–Apr 1904 36-Month	34.05" (864.87mm)	43.55" (1,106.17mm)	-9.50" (-241.30mm)	125th Wettest	Wettest since: 1903	1907
May 1900–Apr 1904 48-Month	45.94" (1,166.88mm)	58.02" (1,473.71mm)	-12.08" (-306.83mm)	1st Driest	Driest since: 1904	1904
May 1900–Apr 1904 48-Month	45.94" (1,166.88mm)	58.02" (1,473.71mm)	-12.08" (-306.83mm)	124th Wettest	Wettest since: 1903	1986
May 1899–Apr 1904 60-Month	59.11" (1,501.39mm)	72.49" (1,841.25mm)	-13.38" (-339.86mm)	2nd Driest	Driest since: 1904	1957
May 1899–Apr 1904 60-Month	59.11" (1,501.39mm)	72.49" (1,841.25mm)	-13.38" (-339.86mm)	122nd Wettest	Wettest since: 1903	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings