Regional Rankings

Parameter:

Year:

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 1999

View Period (Months):

All

Download: CSV JSON XML

Record Driest
Bottom ⅒
Bottom ⅓
Normal
Top ⅓
Top ⅒
Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
May 1999 1-Month	1.40" (35.56mm)	1.11" (28.19mm)	0.29" (7.37mm)	102nd Driest	Driest since: 1998	1974
May 1999 1-Month	1.40" (35.56mm)	1.11" (28.19mm)	0.29" (7.37mm)	27th Wettest	Wettest since: 1995	2015
Apr–May 1999 2-Month	3.78" (96.01mm)	2.17" (55.12mm)	1.61" (40.89mm)	123rd Driest	Driest since: 1998	2002
Apr–May 1999 2-Month	3.78" (96.01mm)	2.17" (55.12mm)	1.61" (40.89mm)	6th Wettest	Wettest since: 1957	1941
Mar–May 1999 3-Month	4.34" (110.24mm)	3.33" (84.58mm)	1.01" (25.66mm)	111th Driest	Driest since: 1998	2002
Mar–May 1999 3-Month	4.34" (110.24mm)	3.33" (84.58mm)	1.01" (25.66mm)	18th Wettest	Wettest since: 1995	1941
Feb–May 1999 4-Month	4.80" (121.92mm)	4.33" (109.98mm)	0.47" (11.94mm)	93rd Driest	Driest since: 1997	2002
Feb–May 1999 4-Month	4.80" (121.92mm)	4.33" (109.98mm)	0.47" (11.94mm)	36th Wettest	Wettest since: 1998	1905
Jan–May 1999 5-Month	5.46" (138.68mm)	5.31" (134.87mm)	0.15" (3.81mm)	80th Driest	Driest since: 1996	1972
Jan–May 1999 5-Month	5.46" (138.68mm)	5.31" (134.87mm)	0.15" (3.81mm)	49th Wettest	Wettest since: 1998	1905
Dec 1998–May 1999 6-Month	5.95" (151.13mm)	6.32" (160.53mm)	-0.37" (-9.40mm)	63rd Driest	Driest since: 1996	2002
Dec 1998–May 1999 6-Month	5.95" (151.13mm)	6.32" (160.53mm)	-0.37" (-9.40mm)	65th Wettest	Wettest since: 1998	1905
Nov 1998–May 1999 7-Month	6.94" (176.28mm)	7.21" (183.13mm)	-0.27" (-6.85mm)	65th Driest	Driest since: 1996	2002
Nov 1998–May 1999 7-Month	6.94" (176.28mm)	7.21" (183.13mm)	-0.27" (-6.85mm)	63rd Wettest	Wettest since: 1998	1941
Oct 1998–May 1999 8-Month	9.25" (234.95mm)	8.34" (211.84mm)	0.91" (23.11mm)	94th Driest	Driest since: 1998	2002
Oct 1998–May 1999 8-Month	9.25" (234.95mm)	8.34" (211.84mm)	0.91" (23.11mm)	34th Wettest	Wettest since: 1995	1941
Sep 1998–May 1999 9-Month	10.43" (264.92mm)	9.71" (246.63mm)	0.72" (18.29mm)	87th Driest	Driest since: 1996	2002
Sep 1998–May 1999 9-Month	10.43" (264.92mm)	9.71" (246.63mm)	0.72" (18.29mm)	41st Wettest	Wettest since: 1998	1941
Aug 1998–May 1999 10-Month	12.09" (307.09mm)	11.72" (297.69mm)	0.37" (9.40mm)	80th Driest	Driest since: 1996	2002
	12.09" (307.09mm)	11.72" (297.69mm)	0.37" (9.40mm)	48th Wettest	Wettest since: 1998	1941
	Ties: 1991
Jul 1998–May 1999 11-Month	14.96" (379.98mm)	13.59" (345.19mm)	1.37" (34.79mm)	98th Driest	Driest since: 1997	2021
Jul 1998–May 1999 11-Month	14.96" (379.98mm)	13.59" (345.19mm)	1.37" (34.79mm)	30th Wettest	Wettest since: 1998	1941
Jun 1998–May 1999 12-Month	15.69" (398.53mm)	14.53" (369.06mm)	1.16" (29.47mm)	92nd Driest	Driest since: 1996	2021
Jun 1998–May 1999 12-Month	15.69" (398.53mm)	14.53" (369.06mm)	1.16" (29.47mm)	36th Wettest	Wettest since: 1998	1905
Dec 1997–May 1999 18-Month	22.81" (579.37mm)	20.86" (529.84mm)	1.95" (49.53mm)	99th Driest	Driest since: 1997	2021
Dec 1997–May 1999 18-Month	22.81" (579.37mm)	20.86" (529.84mm)	1.95" (49.53mm)	28th Wettest	Wettest since: 1998	1942
Jun 1997–May 1999 24-Month	33.13" (841.50mm)	29.05" (737.87mm)	4.08" (103.63mm)	109th Driest	Driest since: 1997	2021
Jun 1997–May 1999 24-Month	33.13" (841.50mm)	29.05" (737.87mm)	4.08" (103.63mm)	18th Wettest	Wettest since: 1998	1942
Jun 1996–May 1999 36-Month	49.12" (1,247.65mm)	43.54" (1,105.92mm)	5.58" (141.73mm)	113th Driest	Driest since: 1998	2022
Jun 1996–May 1999 36-Month	49.12" (1,247.65mm)	43.54" (1,105.92mm)	5.58" (141.73mm)	13th Wettest	Wettest since: 1994	1907
Jun 1995–May 1999 48-Month	60.32" (1,532.13mm)	58.01" (1,473.45mm)	2.31" (58.68mm)	91st Driest	Driest since: 1997	1904
Jun 1995–May 1999 48-Month	60.32" (1,532.13mm)	58.01" (1,473.45mm)	2.31" (58.68mm)	34th Wettest	Wettest since: 1998	1986
Jun 1994–May 1999 60-Month	77.09" (1,958.09mm)	72.48" (1,840.99mm)	4.61" (117.10mm)	99th Driest	Driest since: 1998	1957
Jun 1994–May 1999 60-Month	77.09" (1,958.09mm)	72.48" (1,840.99mm)	4.61" (117.10mm)	25th Wettest	Wettest since: 1996	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings