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 1955

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1955
1-Month
0.93"
(23.62mm)
3.11"
(78.99mm)
-2.18"
(-55.37mm)
2nd Driest
Driest since:
1958
126th Wettest
Wettest since:
1990
Nov–Dec 1955
2-Month
3.44"
(87.38mm)
6.23"
(158.24mm)
-2.79"
(-70.86mm)
6th Driest
Driest since:
1976
122nd Wettest
Wettest since:
2015
Oct–Dec 1955
3-Month
7.02"
(178.31mm)
9.13"
(231.90mm)
-2.11"
(-53.59mm)
22nd Driest
Driest since:
1963
106th Wettest
Wettest since:
1990
Sep–Dec 1955
4-Month
10.06"
(255.52mm)
12.60"
(320.04mm)
-2.54"
(-64.52mm)
23rd Driest
Driest since:
1963
105th Wettest
Wettest since:
1926
Aug–Dec 1955
5-Month
12.92"
(328.17mm)
16.27"
(413.26mm)
-3.35"
(-85.09mm)
16th Driest
Driest since:
1953
112th Wettest
Wettest since:
1926
Jul–Dec 1955
6-Month
16.68"
(423.67mm)
20.27"
(514.86mm)
-3.59"
(-91.19mm)
16th Driest
Driest since:
1953
112th Wettest
Wettest since:
1926
Jun–Dec 1955
7-Month
20.52"
(521.21mm)
24.52"
(622.81mm)
-4.00"
(-101.60mm)
19th Driest
Driest since:
1953
109th Wettest
Wettest since:
2015
May–Dec 1955
8-Month
24.73"
(628.14mm)
28.79"
(731.27mm)
-4.06"
(-103.13mm)
20th Driest
Driest since:
1953
108th Wettest
Wettest since:
2015
Apr–Dec 1955
9-Month
28.31"
(719.07mm)
32.70"
(830.58mm)
-4.39"
(-111.51mm)
22nd Driest
Driest since:
1930
106th Wettest
Wettest since:
2015
Mar–Dec 1955
10-Month
33.12"
(841.25mm)
36.51"
(927.35mm)
-3.39"
(-86.10mm)
29th Driest
Driest since:
1930
99th Wettest
Wettest since:
2011
Feb–Dec 1955
11-Month
37.40"
(949.96mm)
39.19"
(995.43mm)
-1.79"
(-45.47mm)
38th Driest
Driest since:
1930
90th Wettest
Wettest since:
2011
Jan–Dec 1955
12-Month
39.14"
(994.16mm)
42.23"
(1,072.64mm)
-3.09"
(-78.48mm)
27th Driest
Driest since:
1930
101st Wettest
Wettest since:
2019
Jul 1954–Dec 1955
18-Month
59.01"
(1,498.85mm)
62.51"
(1,587.75mm)
-3.50"
(-88.90mm)
27th Driest
Driest since:
1953
100th Wettest
Wettest since:
2019
Jan 1954–Dec 1955
24-Month
78.08"
(1,983.23mm)
84.45"
(2,145.03mm)
-6.37"
(-161.80mm)
16th Driest
Driest since:
1953
111th Wettest
Wettest since:
2019
Jan 1953–Dec 1955
36-Month
110.07"
(2,795.78mm)
126.69"
(3,217.93mm)
-16.62"
(-422.15mm)
2nd Driest
Driest since:
1954
124th Wettest
Wettest since:
2020
Jan 1952–Dec 1955
48-Month
147.17"
(3,738.12mm)
168.95"
(4,291.33mm)
-21.78"
(-553.21mm)
1st Driest
Driest since:
1955
124th Wettest
Wettest since:
2021
Jan 1951–Dec 1955
60-Month
195.88"
(4,975.35mm)
211.20"
(5,364.48mm)
-15.32"
(-389.13mm)
7th Driest
Driest since:
1956
117th Wettest
Wettest since:
2021

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