Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. 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, Climate Division 3

December 1974 Palmer Z-Index Rankings

View Period (Months):
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2025)
Driest/Wettest
Since
Record
December 1974
1-Month
1.42-0.031.45107th Driest
Driest since:
1930
24th Wettest
Wettest since:
1990
Nov–Dec 1974
2-Month
2.18-0.042.22118th Driest
Driest since:
1908
13th Wettest
Wettest since:
1985
Oct–Dec 1974
3-Month
1.320.041.28102nd Driest
Driest since:
1963
29th Wettest
Wettest since:
2011
Sep–Dec 1974
4-Month
1.200.061.14103rd Driest
Driest since:
1908
28th Wettest
Wettest since:
1926
Ties: 1970
Aug–Dec 1974
5-Month
1.530.041.49114th Driest
Driest since:
1908
17th Wettest
Wettest since:
1926
Jul–Dec 1974
6-Month
1.050.041.0196th Driest
Driest since:
1933
35th Wettest
Wettest since:
1992
Jun–Dec 1974
7-Month
0.990.030.9698th Driest
Driest since:
1933
33rd Wettest
Wettest since:
2006
May–Dec 1974
8-Month
1.080.001.08107th Driest
Driest since:
1991
24th Wettest
Wettest since:
1990
Apr–Dec 1974
9-Month
0.980.010.97107th Driest
Driest since:
1991
24th Wettest
Wettest since:
2011
Ties: 1924
Mar–Dec 1974
10-Month
1.130.011.12117th Driest
Driest since:
1991
14th Wettest
Wettest since:
2011
Feb–Dec 1974
11-Month
0.980.000.98112th Driest
Driest since:
1991
19th Wettest
Wettest since:
2011
Ties: 1942
Jan–Dec 1974
12-Month
0.930.030.90110th Driest
Driest since:
1991
21st Wettest
Wettest since:
2011
Jul 1973–Dec 1974
18-Month
0.560.020.5494th Driest
Driest since:
1934
36th Wettest
Wettest since:
2011
Ties: 1924
Jan 1973–Dec 1974
24-Month
0.510.020.4991st Driest
Driest since:
1934
39th Wettest
Wettest since:
2012
Jan 1972–Dec 1974
36-Month
0.700.010.69115th Driest
Driest since:
1934
14th Wettest
Wettest since:
2013
Jan 1971–Dec 1974
48-Month
0.300.020.2881st Driest
Driest since:
1934
47th Wettest
Wettest since:
2014
Ties: 1906, 1957
Jan 1970–Dec 1974
60-Month
0.270.020.2577th Driest
Driest since:
1934
50th Wettest
Wettest since:
2015
Ties: 1913, 1914

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