National Rankings

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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, October 1986

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1986 1-Month	2.81" (71.37mm)	2.16" (54.86mm)	0.65" (16.51mm)	109th Driest	Driest since: 1983	1952
October 1986 1-Month	2.81" (71.37mm)	2.16" (54.86mm)	0.65" (16.51mm)	20th Wettest	Wettest since: 1985	2009
Sep–Oct 1986 2-Month	6.40" (162.56mm)	4.65" (118.11mm)	1.75" (44.45mm)	125th Driest	Driest since: 1985	1952
Sep–Oct 1986 2-Month	6.40" (162.56mm)	4.65" (118.11mm)	1.75" (44.45mm)	4th Wettest	Wettest since: 1941	2018
Aug–Oct 1986 3-Month	9.22" (234.19mm)	7.27" (184.66mm)	1.95" (49.53mm)	125th Driest	Driest since: 1985	1952
Aug–Oct 1986 3-Month	9.22" (234.19mm)	7.27" (184.66mm)	1.95" (49.53mm)	4th Wettest	Wettest since: 1941	2018
Jul–Oct 1986 4-Month	11.97" (304.04mm)	10.05" (255.27mm)	1.92" (48.77mm)	122nd Driest	Driest since: 1985	1952
Jul–Oct 1986 4-Month	11.97" (304.04mm)	10.05" (255.27mm)	1.92" (48.77mm)	7th Wettest	Wettest since: 1959	1941
Jun–Oct 1986 5-Month	15.00" (381.00mm)	12.97" (329.44mm)	2.03" (51.56mm)	123rd Driest	Driest since: 1985	1952
Jun–Oct 1986 5-Month	15.00" (381.00mm)	12.97" (329.44mm)	2.03" (51.56mm)	6th Wettest	Wettest since: 1941	1941
May–Oct 1986 6-Month	17.95" (455.93mm)	15.88" (403.35mm)	2.07" (52.58mm)	118th Driest	Driest since: 1985	1952
May–Oct 1986 6-Month	17.95" (455.93mm)	15.88" (403.35mm)	2.07" (52.58mm)	11th Wettest	Wettest since: 1981	1941
Apr–Oct 1986 7-Month	20.19" (512.83mm)	18.40" (467.36mm)	1.79" (45.47mm)	111th Driest	Driest since: 1985	1952
Apr–Oct 1986 7-Month	20.19" (512.83mm)	18.40" (467.36mm)	1.79" (45.47mm)	18th Wettest	Wettest since: 1973	1941
Mar–Oct 1986 8-Month	22.17" (563.12mm)	20.91" (531.11mm)	1.26" (32.01mm)	94th Driest	Driest since: 1985	1956
Mar–Oct 1986 8-Month	22.17" (563.12mm)	20.91" (531.11mm)	1.26" (32.01mm)	35th Wettest	Wettest since: 1984	2019
Feb–Oct 1986 9-Month	24.99" (634.75mm)	23.04" (585.22mm)	1.95" (49.53mm)	110th Driest	Driest since: 1985	1934
Feb–Oct 1986 9-Month	24.99" (634.75mm)	23.04" (585.22mm)	1.95" (49.53mm)	19th Wettest	Wettest since: 1983	2019
Jan–Oct 1986 10-Month	26.44" (671.58mm)	25.36" (644.14mm)	1.08" (27.44mm)	90th Driest	Driest since: 1985	1934
Jan–Oct 1986 10-Month	26.44" (671.58mm)	25.36" (644.14mm)	1.08" (27.44mm)	39th Wettest	Wettest since: 1983	2019
Dec 1985–Oct 1986 11-Month	27.90" (708.66mm)	27.70" (703.58mm)	0.20" (5.08mm)	67th Driest	Driest since: 1985	1931
Dec 1985–Oct 1986 11-Month	27.90" (708.66mm)	27.70" (703.58mm)	0.20" (5.08mm)	61st Wettest	Wettest since: 1984	2019
Nov 1985–Oct 1986 12-Month	31.44" (798.58mm)	29.93" (760.22mm)	1.51" (38.36mm)	94th Driest	Driest since: 1985	1934
Nov 1985–Oct 1986 12-Month	31.44" (798.58mm)	29.93" (760.22mm)	1.51" (38.36mm)	34th Wettest	Wettest since: 1984	2019
May 1985–Oct 1986 18-Month	48.44" (1,230.38mm)	45.83" (1,164.08mm)	2.61" (66.30mm)	97th Driest	Driest since: 1985	1931
May 1985–Oct 1986 18-Month	48.44" (1,230.38mm)	45.83" (1,164.08mm)	2.61" (66.30mm)	31st Wettest	Wettest since: 1984	2019
Nov 1984–Oct 1986 24-Month	61.75" (1,568.45mm)	59.90" (1,521.46mm)	1.85" (46.99mm)	86th Driest	Driest since: 1982	1931
Nov 1984–Oct 1986 24-Month	61.75" (1,568.45mm)	59.90" (1,521.46mm)	1.85" (46.99mm)	41st Wettest	Wettest since: 1985	2019
Nov 1983–Oct 1986 36-Month	95.17" (2,417.32mm)	89.86" (2,282.44mm)	5.31" (134.88mm)	110th Driest	Driest since: 1983	1956
Nov 1983–Oct 1986 36-Month	95.17" (2,417.32mm)	89.86" (2,282.44mm)	5.31" (134.88mm)	16th Wettest	Wettest since: 1985	2019
Nov 1982–Oct 1986 48-Month	129.32" (3,284.73mm)	119.78" (3,042.41mm)	9.54" (242.32mm)	114th Driest	Driest since: 1984	1956
Nov 1982–Oct 1986 48-Month	129.32" (3,284.73mm)	119.78" (3,042.41mm)	9.54" (242.32mm)	11th Wettest	Wettest since: 1985	2019
Nov 1981–Oct 1986 60-Month	160.85" (4,085.59mm)	149.66" (3,801.36mm)	11.19" (284.23mm)	115th Driest	Driest since: 1985	1934
Nov 1981–Oct 1986 60-Month	160.85" (4,085.59mm)	149.66" (3,801.36mm)	11.19" (284.23mm)	9th Wettest	Wettest to Date	2019

Citing This Page

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