Regional Rankings

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

Ohio Valley Climate Region

Precipitation Rankings, December 2015

View Period (Months):
Download: csv json xml
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 2015
1-Month
6.43"
(163.32mm)
3.11"
(78.99mm)
3.32"
(84.33mm)
126th Driest
Driest since:
1958
2nd Wettest
Wettest since:
1990
Nov–Dec 2015
2-Month
11.54"
(293.12mm)
6.23"
(158.24mm)
5.31"
(134.88mm)
127th Driest
Driest since:
1976
1st Wettest
Wettest to Date
2015
Oct–Dec 2015
3-Month
14.07"
(357.38mm)
9.13"
(231.90mm)
4.94"
(125.48mm)
124th Driest
Driest since:
1963
4th Wettest
Wettest since:
1990
Sep–Dec 2015
4-Month
16.93"
(430.02mm)
12.60"
(320.04mm)
4.33"
(109.98mm)
119th Driest
Driest since:
1963
9th Wettest
Wettest since:
1926
Aug–Dec 2015
5-Month
20.24"
(514.10mm)
16.27"
(413.26mm)
3.97"
(100.84mm)
113th Driest
Driest since:
1953
15th Wettest
Wettest since:
1926
Jul–Dec 2015
6-Month
26.93"
(684.02mm)
20.27"
(514.86mm)
6.66"
(169.16mm)
126th Driest
Driest since:
1953
2nd Wettest
Wettest since:
1926
Jun–Dec 2015
7-Month
34.29"
(870.97mm)
24.52"
(622.81mm)
9.77"
(248.16mm)
127th Driest
Driest since:
1953
1st Wettest
Wettest to Date
2015
May–Dec 2015
8-Month
38.85"
(986.79mm)
28.79"
(731.27mm)
10.06"
(255.52mm)
127th Driest
Driest since:
1953
1st Wettest
Wettest to Date
2015
Apr–Dec 2015
9-Month
43.81"
(1,112.77mm)
32.70"
(830.58mm)
11.11"
(282.19mm)
127th Driest
Driest since:
1930
1st Wettest
Wettest to Date
2015
Mar–Dec 2015
10-Month
47.82"
(1,214.63mm)
36.51"
(927.35mm)
11.31"
(287.28mm)
126th Driest
Driest since:
1930
2nd Wettest
Wettest since:
2011
Feb–Dec 2015
11-Month
50.08"
(1,272.03mm)
39.19"
(995.43mm)
10.89"
(276.60mm)
124th Driest
Driest since:
1930
4th Wettest
Wettest since:
2011
Jan–Dec 2015
12-Month
52.02"
(1,321.31mm)
42.23"
(1,072.64mm)
9.79"
(248.67mm)
123rd Driest
Driest since:
1930
5th Wettest
Wettest since:
2019
Jul 2014–Dec 2015
18-Month
73.43"
(1,865.12mm)
62.51"
(1,587.75mm)
10.92"
(277.37mm)
122nd Driest
Driest since:
1953
5th Wettest
Wettest since:
2019
Jan 2014–Dec 2015
24-Month
95.29"
(2,420.37mm)
84.45"
(2,145.03mm)
10.84"
(275.34mm)
113th Driest
Driest since:
1953
14th Wettest
Wettest since:
2019
Jan 2013–Dec 2015
36-Month
143.65"
(3,648.71mm)
126.69"
(3,217.93mm)
16.96"
(430.78mm)
118th Driest
Driest since:
1954
8th Wettest
Wettest since:
2020
Jan 2012–Dec 2015
48-Month
180.46"
(4,583.68mm)
168.95"
(4,291.33mm)
11.51"
(292.35mm)
99th Driest
Driest since:
1955
26th Wettest
Wettest since:
2021
Jan 2011–Dec 2015
60-Month
234.16"
(5,947.66mm)
211.20"
(5,364.48mm)
22.96"
(583.18mm)
118th Driest
Driest since:
1956
6th Wettest
Wettest since:
2021

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