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.

Virginia, Climate Division 3

December 1921 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 1921
1-Month
-2.030.08-2.1114th Driest
Driest since:
1965
117th Wettest
Wettest since:
2009
Nov–Dec 1921
2-Month
-1.47-0.08-1.3924th Driest
Driest since:
2021
107th Wettest
Wettest since:
2009
Oct–Dec 1921
3-Month
-1.53-0.12-1.4119th Driest
Driest since:
2001
112th Wettest
Wettest since:
2018
Sep–Dec 1921
4-Month
-1.58-0.10-1.4816th Driest
Driest since:
1933, 1998
115th Wettest
Wettest since:
2018
Aug–Dec 1921
5-Month
-1.83-0.06-1.7711th DriestDriest to Date1941
120th Wettest
Wettest since:
2018
Jul–Dec 1921
6-Month
-1.70-0.07-1.636th DriestDriest to Date1930
125th Wettest
Wettest since:
2018
Jun–Dec 1921
7-Month
-1.65-0.02-1.637th DriestDriest to Date1930
124th Wettest
Wettest since:
2018
May–Dec 1921
8-Month
-1.43-0.04-1.3912th DriestDriest to Date1930
119th Wettest
Wettest since:
2018
Apr–Dec 1921
9-Month
-1.38-0.04-1.348th DriestDriest to Date1930
123rd Wettest
Wettest since:
2018
Mar–Dec 1921
10-Month
-1.54-0.03-1.513rd DriestDriest to Date1930
128th Wettest
Wettest since:
2018
Feb–Dec 1921
11-Month
-1.39-0.03-1.365th DriestDriest to Date1930
126th Wettest
Wettest since:
2003
Jan–Dec 1921
12-Month
-1.19-0.01-1.186th DriestDriest to Date1930
125th Wettest
Wettest since:
2003
Jul 1920–Dec 1921
18-Month
-0.48-0.04-0.4426th Driest
Driest since:
1931, 1999
104th Wettest
Wettest since:
2003
Jan 1920–Dec 1921
24-Month
-0.26-0.01-0.2536th Driest
Driest since:
1931
94th Wettest
Wettest since:
2004
Jan 1919–Dec 1921
36-Month
-0.17-0.01-0.1643rd Driest
Driest since:
1965
86th Wettest
Wettest since:
2020
Jan 1918–Dec 1921
48-Month
-0.08-0.01-0.0753rd Driest
Driest since:
1933
75th Wettest
Wettest since:
2020
Jan 1917–Dec 1921
60-Month
-0.04-0.01-0.0356th Driest
Driest since:
1967
71st Wettest
Wettest since:
2020

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