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.

Southwest Climate Region

Precipitation Rankings, May 1973

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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
May 1973 1-Month	1.34" (34.04mm)	1.11" (28.19mm)	0.23" (5.85mm)	96th Driest	Driest since: 1972	1974
May 1973 1-Month	1.34" (34.04mm)	1.11" (28.19mm)	0.23" (5.85mm)	33rd Wettest	Wettest since: 1969	2015
Apr–May 1973 2-Month	2.42" (61.47mm)	2.17" (55.12mm)	0.25" (6.35mm)	89th Driest	Driest since: 1972	2002
	2.42" (61.47mm)	2.17" (55.12mm)	0.25" (6.35mm)	40th Wettest	Wettest since: 1965	1941
	Ties: 2011
Mar–May 1973 3-Month	4.73" (120.14mm)	3.33" (84.58mm)	1.40" (35.56mm)	120th Driest	Driest since: 1972	2002
Mar–May 1973 3-Month	4.73" (120.14mm)	3.33" (84.58mm)	1.40" (35.56mm)	9th Wettest	Wettest since: 1957	1941
Feb–May 1973 4-Month	5.89" (149.61mm)	4.33" (109.98mm)	1.56" (39.63mm)	119th Driest	Driest since: 1972	2002
Feb–May 1973 4-Month	5.89" (149.61mm)	4.33" (109.98mm)	1.56" (39.63mm)	10th Wettest	Wettest since: 1941	1905
Jan–May 1973 5-Month	6.74" (171.20mm)	5.31" (134.87mm)	1.43" (36.33mm)	111th Driest	Driest since: 1972	1972
Jan–May 1973 5-Month	6.74" (171.20mm)	5.31" (134.87mm)	1.43" (36.33mm)	18th Wettest	Wettest since: 1957	1905
Dec 1972–May 1973 6-Month	8.00" (203.20mm)	6.32" (160.53mm)	1.68" (42.67mm)	109th Driest	Driest since: 1972	2002
Dec 1972–May 1973 6-Month	8.00" (203.20mm)	6.32" (160.53mm)	1.68" (42.67mm)	19th Wettest	Wettest since: 1957	1905
Nov 1972–May 1973 7-Month	9.36" (237.74mm)	7.21" (183.13mm)	2.15" (54.61mm)	115th Driest	Driest since: 1972	2002
Nov 1972–May 1973 7-Month	9.36" (237.74mm)	7.21" (183.13mm)	2.15" (54.61mm)	13th Wettest	Wettest since: 1941	1941
Oct 1972–May 1973 8-Month	12.88" (327.15mm)	8.34" (211.84mm)	4.54" (115.31mm)	125th Driest	Driest since: 1972	2002
Oct 1972–May 1973 8-Month	12.88" (327.15mm)	8.34" (211.84mm)	4.54" (115.31mm)	3rd Wettest	Wettest since: 1941	1941
Sep 1972–May 1973 9-Month	14.58" (370.33mm)	9.71" (246.63mm)	4.87" (123.70mm)	125th Driest	Driest since: 1972	2002
Sep 1972–May 1973 9-Month	14.58" (370.33mm)	9.71" (246.63mm)	4.87" (123.70mm)	3rd Wettest	Wettest since: 1941	1941
Aug 1972–May 1973 10-Month	16.77" (425.96mm)	11.72" (297.69mm)	5.05" (128.27mm)	125th Driest	Driest since: 1972	2002
Aug 1972–May 1973 10-Month	16.77" (425.96mm)	11.72" (297.69mm)	5.05" (128.27mm)	3rd Wettest	Wettest since: 1941	1941
Jul 1972–May 1973 11-Month	18.20" (462.28mm)	13.59" (345.19mm)	4.61" (117.09mm)	125th Driest	Driest since: 1972	2021
Jul 1972–May 1973 11-Month	18.20" (462.28mm)	13.59" (345.19mm)	4.61" (117.09mm)	3rd Wettest	Wettest since: 1941	1941
Jun 1972–May 1973 12-Month	19.67" (499.62mm)	14.53" (369.06mm)	5.14" (130.56mm)	125th Driest	Driest since: 1972	2021
	19.67" (499.62mm)	14.53" (369.06mm)	5.14" (130.56mm)	3rd Wettest	Wettest since: 1941	1905
	Ties: 1985
Dec 1971–May 1973 18-Month	23.00" (584.20mm)	20.86" (529.84mm)	2.14" (54.36mm)	101st Driest	Driest since: 1972	2021
Dec 1971–May 1973 18-Month	23.00" (584.20mm)	20.86" (529.84mm)	2.14" (54.36mm)	26th Wettest	Wettest since: 1958	1942
Jun 1971–May 1973 24-Month	31.80" (807.72mm)	29.05" (737.87mm)	2.75" (69.85mm)	103rd Driest	Driest since: 1972	2021
Jun 1971–May 1973 24-Month	31.80" (807.72mm)	29.05" (737.87mm)	2.75" (69.85mm)	24th Wettest	Wettest since: 1942	1942
Jun 1970–May 1973 36-Month	44.43" (1,128.52mm)	43.54" (1,105.92mm)	0.89" (22.60mm)	85th Driest	Driest since: 1972	2022
Jun 1970–May 1973 36-Month	44.43" (1,128.52mm)	43.54" (1,105.92mm)	0.89" (22.60mm)	41st Wettest	Wettest since: 1970	1907
Jun 1969–May 1973 48-Month	59.17" (1,502.92mm)	58.01" (1,473.45mm)	1.16" (29.47mm)	82nd Driest	Driest since: 1972	1904
Jun 1969–May 1973 48-Month	59.17" (1,502.92mm)	58.01" (1,473.45mm)	1.16" (29.47mm)	43rd Wettest	Wettest since: 1944	1986
Jun 1968–May 1973 60-Month	73.04" (1,855.22mm)	72.48" (1,840.99mm)	0.56" (14.23mm)	73rd Driest	Driest since: 1972	1957
Jun 1968–May 1973 60-Month	73.04" (1,855.22mm)	72.48" (1,840.99mm)	0.56" (14.23mm)	51st Wettest	Wettest since: 1945	1987

Citing This Page

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