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.

South Climate Region

Precipitation Rankings, May 1998

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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 1998 1-Month	1.49" (37.85mm)	4.05" (102.87mm)	-2.56" (-65.02mm)	1st Driest	Driest to Date	1998
May 1998 1-Month	1.49" (37.85mm)	4.05" (102.87mm)	-2.56" (-65.02mm)	128th Wettest	Wettest since: 1997	2015
Apr–May 1998 2-Month	3.52" (89.41mm)	7.26" (184.40mm)	-3.74" (-94.99mm)	1st Driest	Driest to Date	1998
Apr–May 1998 2-Month	3.52" (89.41mm)	7.26" (184.40mm)	-3.74" (-94.99mm)	128th Wettest	Wettest since: 1997	2015
Mar–May 1998 3-Month	7.21" (183.13mm)	9.96" (252.98mm)	-2.75" (-69.85mm)	14th Driest	Driest since: 1996	1925
Mar–May 1998 3-Month	7.21" (183.13mm)	9.96" (252.98mm)	-2.75" (-69.85mm)	115th Wettest	Wettest since: 1997	2015
Feb–May 1998 4-Month	10.24" (260.10mm)	12.19" (309.63mm)	-1.95" (-49.53mm)	26th Driest	Driest since: 1996	1925
Feb–May 1998 4-Month	10.24" (260.10mm)	12.19" (309.63mm)	-1.95" (-49.53mm)	103rd Wettest	Wettest since: 1997	2015
Jan–May 1998 5-Month	14.16" (359.66mm)	14.42" (366.27mm)	-0.26" (-6.61mm)	64th Driest	Driest since: 1996	1963
Jan–May 1998 5-Month	14.16" (359.66mm)	14.42" (366.27mm)	-0.26" (-6.61mm)	65th Wettest	Wettest since: 1997	2015
Dec 1997–May 1998 6-Month	17.59" (446.79mm)	16.92" (429.77mm)	0.67" (17.02mm)	76th Driest	Driest since: 1996	1963
Dec 1997–May 1998 6-Month	17.59" (446.79mm)	16.92" (429.77mm)	0.67" (17.02mm)	52nd Wettest	Wettest since: 1997	2015
Nov 1997–May 1998 7-Month	19.91" (505.71mm)	19.34" (491.24mm)	0.57" (14.47mm)	73rd Driest	Driest since: 1996	1971
Nov 1997–May 1998 7-Month	19.91" (505.71mm)	19.34" (491.24mm)	0.57" (14.47mm)	55th Wettest	Wettest since: 1997	2016
Oct 1997–May 1998 8-Month	23.57" (598.68mm)	22.04" (559.82mm)	1.53" (38.86mm)	78th Driest	Driest since: 1996	1925
Oct 1997–May 1998 8-Month	23.57" (598.68mm)	22.04" (559.82mm)	1.53" (38.86mm)	50th Wettest	Wettest since: 1997	2019
Sep 1997–May 1998 9-Month	26.08" (662.43mm)	25.25" (641.35mm)	0.83" (21.08mm)	71st Driest	Driest since: 1996	1918
Sep 1997–May 1998 9-Month	26.08" (662.43mm)	25.25" (641.35mm)	0.83" (21.08mm)	57th Wettest	Wettest since: 1997	2019
Aug 1997–May 1998 10-Month	29.34" (745.24mm)	28.19" (716.03mm)	1.15" (29.21mm)	73rd Driest	Driest since: 1996	1925
Aug 1997–May 1998 10-Month	29.34" (745.24mm)	28.19" (716.03mm)	1.15" (29.21mm)	55th Wettest	Wettest since: 1997	2019
Jul 1997–May 1998 11-Month	31.68" (804.67mm)	31.39" (797.31mm)	0.29" (7.36mm)	64th Driest	Driest since: 1996	1925
Jul 1997–May 1998 11-Month	31.68" (804.67mm)	31.39" (797.31mm)	0.29" (7.36mm)	64th Wettest	Wettest since: 1997	2019
Jun 1997–May 1998 12-Month	36.52" (927.61mm)	34.90" (886.46mm)	1.62" (41.15mm)	75th Driest	Driest since: 1996	1925
Jun 1997–May 1998 12-Month	36.52" (927.61mm)	34.90" (886.46mm)	1.62" (41.15mm)	53rd Wettest	Wettest since: 1997	2019
Dec 1996–May 1998 18-Month	56.90" (1,445.26mm)	51.87" (1,317.50mm)	5.03" (127.76mm)	100th Driest	Driest since: 1997	1918
Dec 1996–May 1998 18-Month	56.90" (1,445.26mm)	51.87" (1,317.50mm)	5.03" (127.76mm)	27th Wettest	Wettest since: 1993	2016
Jun 1996–May 1998 24-Month	80.70" (2,049.78mm)	69.89" (1,775.21mm)	10.81" (274.57mm)	119th Driest	Driest since: 1997	1918
Jun 1996–May 1998 24-Month	80.70" (2,049.78mm)	69.89" (1,775.21mm)	10.81" (274.57mm)	8th Wettest	Wettest since: 1993	2020
Jun 1995–May 1998 36-Month	108.62" (2,758.95mm)	104.83" (2,662.68mm)	3.79" (96.27mm)	79th Driest	Driest since: 1996	1956
	108.62" (2,758.95mm)	104.83" (2,662.68mm)	3.79" (96.27mm)	47th Wettest	Wettest since: 1997	1975
	Ties: 1945
Jun 1994–May 1998 48-Month	147.94" (3,757.68mm)	139.71" (3,548.63mm)	8.23" (209.05mm)	97th Driest	Driest since: 1997	1956
Jun 1994–May 1998 48-Month	147.94" (3,757.68mm)	139.71" (3,548.63mm)	8.23" (209.05mm)	28th Wettest	Wettest since: 1995	1975
Jun 1993–May 1998 60-Month	183.52" (4,661.41mm)	174.45" (4,431.03mm)	9.07" (230.38mm)	94th Driest	Driest since: 1989	1957
Jun 1993–May 1998 60-Month	183.52" (4,661.41mm)	174.45" (4,431.03mm)	9.07" (230.38mm)	30th Wettest	Wettest since: 1997	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on May 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings