Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Arkansas

Precipitation Rankings, October 2020

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 2020
1-Month 		4.42"
(112.27mm)		 3.46"
(87.88mm)		 0.96"
(24.39mm)		 87th Driest
Driest since:
 1963
42nd Wettest
Wettest since:
 2009
Sep–Oct 2020
2-Month 		10.07"
(255.78mm)		 7.05"
(179.07mm)		 3.02"
(76.71mm)		 109th Driest
Driest since:
 1963
20th Wettest
Wettest since:
 2009
Aug–Oct 2020
3-Month 		16.81"
(426.97mm)		 10.43"
(264.92mm)		 6.38"
(162.05mm)		 122nd Driest
Driest since:
 1963
7th Wettest
Wettest since:
 2009
Jul–Oct 2020
4-Month 		20.45"
(519.43mm)		 14.14"
(359.16mm)		 6.31"
(160.27mm)		 122nd Driest
Driest since:
 2000
7th Wettest
Wettest since:
 2009
Jun–Oct 2020
5-Month 		25.12"
(638.05mm)		 18.22"
(462.79mm)		 6.90"
(175.26mm)		 121st Driest
Driest since:
 1952
8th Wettest
Wettest since:
 2009
May–Oct 2020
6-Month 		32.06"
(814.32mm)		 23.37"
(593.60mm)		 8.69"
(220.72mm)		 122nd Driest
Driest since:
 1952
7th Wettest
Wettest since:
 2009
Apr–Oct 2020
7-Month 		38.17"
(969.52mm)		 28.41"
(721.61mm)		 9.76"
(247.91mm)		 118th Driest
Driest since:
 1897
11th Wettest
Wettest since:
 2009
Mar–Oct 2020
8-Month 		45.56"
(1,157.22mm)		 33.18"
(842.77mm)		 12.38"
(314.45mm)		 120th Driest
Driest since:
 1954
9th Wettest
Wettest since:
 2009
Feb–Oct 2020
9-Month 		51.35"
(1,304.29mm)		 36.91"
(937.51mm)		 14.44"
(366.78mm)		 121st Driest
Driest since:
 1963
8th Wettest
Wettest since:
 2009
Jan–Oct 2020
10-Month 		57.50"
(1,460.50mm)		 40.94"
(1,039.88mm)		 16.56"
(420.62mm)		 124th Driest
Driest since:
 1963
5th Wettest
Wettest since:
 2009
Dec 2019–Oct 2020
11-Month 		59.81"
(1,519.17mm)		 45.30"
(1,150.62mm)		 14.51"
(368.55mm)		 119th Driest
Driest since:
 1963
9th Wettest
Wettest since:
 1945
Nov 2019–Oct 2020
12-Month 		64.47"
(1,637.54mm)		 49.55"
(1,258.57mm)		 14.92"
(378.97mm)		 120th Driest
Driest since:
 1963
8th Wettest
Wettest since:
 1945
May 2019–Oct 2020
18-Month 		98.65"
(2,505.71mm)		 72.97"
(1,853.44mm)		 25.68"
(652.27mm)		 126th Driest
Driest since:
 1963
2nd Wettest
Wettest since:
 2009
Nov 2018–Oct 2020
24-Month 		136.02"
(3,454.91mm)		 99.17"
(2,518.92mm)		 36.85"
(935.99mm)		 126th Driest
Driest since:
 1964
1st Wettest
Wettest to Date
 2020
Nov 2017–Oct 2020
36-Month 		193.77"
(4,921.76mm)		 148.75"
(3,778.25mm)		 45.02"
(1,143.51mm)		 125th Driest
Driest since:
 1956
1st Wettest
Wettest to Date
 2020
Nov 2016–Oct 2020
48-Month 		244.77"
(6,217.16mm)		 198.43"
(5,040.12mm)		 46.34"
(1,177.04mm)		 124th Driest
Driest since:
 1966
1st Wettest
Wettest to Date
 2020
Nov 2015–Oct 2020
60-Month 		307.33"
(7,806.18mm)		 247.95"
(6,297.93mm)		 59.38"
(1,508.25mm)		 123rd Driest
Driest since:
 1967
1st Wettest
Wettest to Date
 2020

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