National Rankings

Parameter:

Year:

Month:

Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Precipitation Rankings, May 1989

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 1989 1-Month	3.26" (82.80mm)	2.91" (73.91mm)	0.35" (8.89mm)	99th Driest	Driest since: 1988	1934
	3.26" (82.80mm)	2.91" (73.91mm)	0.35" (8.89mm)	30th Wettest	Wettest since: 1983	2019
	Ties: 1953
Apr–May 1989 2-Month	5.05" (128.27mm)	5.43" (137.92mm)	-0.38" (-9.65mm)	40th Driest	Driest since: 1988	1934
Apr–May 1989 2-Month	5.05" (128.27mm)	5.43" (137.92mm)	-0.38" (-9.65mm)	89th Wettest	Wettest since: 1986	1957
Mar–May 1989 3-Month	7.96" (202.18mm)	7.94" (201.68mm)	0.02" (0.50mm)	66th Driest	Driest since: 1988	1925
	7.96" (202.18mm)	7.94" (201.68mm)	0.02" (0.50mm)	63rd Wettest	Wettest since: 1984	1957, 1991
	Ties: 1896, 2018
Feb–May 1989 4-Month	9.97" (253.24mm)	10.07" (255.78mm)	-0.10" (-2.54mm)	64th Driest	Driest since: 1988	1925
Feb–May 1989 4-Month	9.97" (253.24mm)	10.07" (255.78mm)	-0.10" (-2.54mm)	65th Wettest	Wettest since: 1986	2019
Jan–May 1989 5-Month	12.02" (305.31mm)	12.39" (314.71mm)	-0.37" (-9.40mm)	56th Driest	Driest since: 1988	1934
	12.02" (305.31mm)	12.39" (314.71mm)	-0.37" (-9.40mm)	73rd Wettest	Wettest since: 1984	2019
	Ties: 1959
Dec 1988–May 1989 6-Month	13.71" (348.23mm)	14.73" (374.14mm)	-1.02" (-25.91mm)	32nd Driest	Driest since: 1988	1931
	13.71" (348.23mm)	14.73" (374.14mm)	-1.02" (-25.91mm)	96th Wettest	Wettest since: 1987	2019
	Ties: 2021
Nov 1988–May 1989 7-Month	16.88" (428.75mm)	16.96" (430.78mm)	-0.08" (-2.03mm)	63rd Driest	Driest since: 1988	1934
Nov 1988–May 1989 7-Month	16.88" (428.75mm)	16.96" (430.78mm)	-0.08" (-2.03mm)	65th Wettest	Wettest since: 1984	1983
Oct 1988–May 1989 8-Month	18.31" (465.07mm)	19.13" (485.90mm)	-0.82" (-20.83mm)	37th Driest	Driest since: 1988	1934
	18.31" (465.07mm)	19.13" (485.90mm)	-0.82" (-20.83mm)	91st Wettest	Wettest since: 1987	2019
	Ties: 1896, 2022
Sep 1988–May 1989 9-Month	21.12" (536.45mm)	21.62" (549.15mm)	-0.50" (-12.70mm)	49th Driest	Driest since: 1988	1934
Sep 1988–May 1989 9-Month	21.12" (536.45mm)	21.62" (549.15mm)	-0.50" (-12.70mm)	79th Wettest	Wettest since: 1987	2019
Aug 1988–May 1989 10-Month	23.69" (601.73mm)	24.25" (615.95mm)	-0.56" (-14.22mm)	47th Driest	Driest since: 1988	1918
Aug 1988–May 1989 10-Month	23.69" (601.73mm)	24.25" (615.95mm)	-0.56" (-14.22mm)	81st Wettest	Wettest since: 1987	2019
Jul 1988–May 1989 11-Month	26.39" (670.31mm)	27.03" (686.56mm)	-0.64" (-16.25mm)	40th Driest	Driest since: 1988	1931
Jul 1988–May 1989 11-Month	26.39" (670.31mm)	27.03" (686.56mm)	-0.64" (-16.25mm)	88th Wettest	Wettest since: 1987	2019
Jun 1988–May 1989 12-Month	28.00" (711.20mm)	29.95" (760.73mm)	-1.95" (-49.53mm)	22nd Driest	Driest since: 1988	1934
Jun 1988–May 1989 12-Month	28.00" (711.20mm)	29.95" (760.73mm)	-1.95" (-49.53mm)	106th Wettest	Wettest since: 1987	2019
Dec 1987–May 1989 18-Month	40.79" (1,036.07mm)	44.70" (1,135.38mm)	-3.91" (-99.31mm)	12th Driest	Driest since: 1977	1931
Dec 1987–May 1989 18-Month	40.79" (1,036.07mm)	44.70" (1,135.38mm)	-3.91" (-99.31mm)	115th Wettest	Wettest since: 1988	2019
Jun 1987–May 1989 24-Month	55.06" (1,398.52mm)	59.92" (1,521.97mm)	-4.86" (-123.45mm)	13th Driest	Driest since: 1964	1931
Jun 1987–May 1989 24-Month	55.06" (1,398.52mm)	59.92" (1,521.97mm)	-4.86" (-123.45mm)	114th Wettest	Wettest since: 1988	2020
Jun 1986–May 1989 36-Month	86.87" (2,206.50mm)	89.88" (2,282.95mm)	-3.01" (-76.45mm)	30th Driest	Driest since: 1968	1955
Jun 1986–May 1989 36-Month	86.87" (2,206.50mm)	89.88" (2,282.95mm)	-3.01" (-76.45mm)	96th Wettest	Wettest since: 1988	2019
Jun 1985–May 1989 48-Month	117.76" (2,991.10mm)	119.78" (3,042.41mm)	-2.02" (-51.31mm)	44th Driest	Driest since: 1969	1956
Jun 1985–May 1989 48-Month	117.76" (2,991.10mm)	119.78" (3,042.41mm)	-2.02" (-51.31mm)	81st Wettest	Wettest since: 1988	2019
Jun 1984–May 1989 60-Month	147.37" (3,743.20mm)	149.64" (3,800.86mm)	-2.27" (-57.66mm)	40th Driest	Driest since: 1968	1957
Jun 1984–May 1989 60-Month	147.37" (3,743.20mm)	149.64" (3,800.86mm)	-2.27" (-57.66mm)	84th Wettest	Wettest since: 1988	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings