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 1909

View Period (Months):
Download: csv json xml
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1909
1-Month
3.03"
(76.96mm)
3.11"
(78.99mm)
-0.08"
(-2.03mm)
58th Driest
Driest since:
1958
70th Wettest
Wettest since:
1990
Nov–Dec 1909
2-Month
6.20"
(157.48mm)
6.23"
(158.24mm)
-0.03"
(-0.76mm)
68th Driest
Driest since:
1976
60th Wettest
Wettest since:
2015
Oct–Dec 1909
3-Month
8.86"
(225.04mm)
9.13"
(231.90mm)
-0.27"
(-6.86mm)
54th Driest
Driest since:
1963
74th Wettest
Wettest since:
1990
Sep–Dec 1909
4-Month
12.22"
(310.39mm)
12.60"
(320.04mm)
-0.38"
(-9.65mm)
55th Driest
Driest since:
1963
73rd Wettest
Wettest since:
1926
Aug–Dec 1909
5-Month
14.52"
(368.81mm)
16.27"
(413.26mm)
-1.75"
(-44.45mm)
35th Driest
Driest since:
1953
93rd Wettest
Wettest since:
1926
Ties: 1933
Jul–Dec 1909
6-Month
19.65"
(499.11mm)
20.27"
(514.86mm)
-0.62"
(-15.75mm)
43rd Driest
Driest since:
1953
85th Wettest
Wettest since:
1926
Ties: 1914, 1965, 1989
Jun–Dec 1909
7-Month
25.02"
(635.51mm)
24.52"
(622.81mm)
0.50"
(12.70mm)
61st Driest
Driest since:
1953
67th Wettest
Wettest since:
2015
May–Dec 1909
8-Month
29.86"
(758.44mm)
28.79"
(731.27mm)
1.07"
(27.17mm)
64th Driest
Driest since:
1953
64th Wettest
Wettest since:
2015
Apr–Dec 1909
9-Month
35.07"
(890.78mm)
32.70"
(830.58mm)
2.37"
(60.20mm)
79th Driest
Driest since:
1930
49th Wettest
Wettest since:
2015
Mar–Dec 1909
10-Month
38.59"
(980.19mm)
36.51"
(927.35mm)
2.08"
(52.84mm)
81st Driest
Driest since:
1930
47th Wettest
Wettest since:
2011
Feb–Dec 1909
11-Month
43.72"
(1,110.49mm)
39.19"
(995.43mm)
4.53"
(115.06mm)
103rd Driest
Driest since:
1930
25th Wettest
Wettest since:
2011
Jan–Dec 1909
12-Month
46.54"
(1,182.12mm)
42.23"
(1,072.64mm)
4.31"
(109.48mm)
98th Driest
Driest since:
1930
30th Wettest
Wettest since:
2019
Jul 1908–Dec 1909
18-Month
60.70"
(1,541.78mm)
62.51"
(1,587.75mm)
-1.81"
(-45.97mm)
38th Driest
Driest since:
1953
89th Wettest
Wettest since:
2019
Jan 1908–Dec 1909
24-Month
86.37"
(2,193.80mm)
84.45"
(2,145.03mm)
1.92"
(48.77mm)
73rd Driest
Driest since:
1953
54th Wettest
Wettest since:
2019
Jan 1907–Dec 1909
36-Month
131.32"
(3,335.53mm)
126.69"
(3,217.93mm)
4.63"
(117.60mm)
80th Driest
Driest since:
1954
46th Wettest
Wettest since:
2020
Jan 1906–Dec 1909
48-Month
173.98"
(4,419.09mm)
168.95"
(4,291.33mm)
5.03"
(127.76mm)
83rd Driest
Driest since:
1955
42nd Wettest
Wettest to Date
2021
Jan 1905–Dec 1909
60-Month
218.26"
(5,543.80mm)
211.20"
(5,364.48mm)
7.06"
(179.32mm)
82nd Driest
Driest since:
1956
42nd Wettest
Wettest to Date
2021

Citing This Page