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 2021 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 2021
1-Month
-3.930.08-4.012nd Driest
Driest since:
1965
129th Wettest
Wettest since:
2009
Nov–Dec 2021
2-Month
-3.26-0.08-3.181st DriestDriest to Date2021
130th Wettest
Wettest since:
2009
Oct–Dec 2021
3-Month
-2.66-0.12-2.542nd Driest
Driest since:
2001
129th Wettest
Wettest since:
2018
Sep–Dec 2021
4-Month
-1.98-0.10-1.887th Driest
Driest since:
1933, 1998
124th Wettest
Wettest since:
2018
Aug–Dec 2021
5-Month
-1.58-0.06-1.5214th Driest
Driest since:
1941
117th Wettest
Wettest since:
2018
Jul–Dec 2021
6-Month
-1.44-0.07-1.3714th Driest
Driest since:
1930
117th Wettest
Wettest since:
2018
Jun–Dec 2021
7-Month
-1.34-0.02-1.3214th Driest
Driest since:
1930
117th Wettest
Wettest since:
2018
Ties: 1897
May–Dec 2021
8-Month
-1.47-0.04-1.439th Driest
Driest since:
1930
122nd Wettest
Wettest since:
2018
Ties: 1991
Apr–Dec 2021
9-Month
-1.41-0.04-1.377th Driest
Driest since:
1930
124th Wettest
Wettest since:
2018
Mar–Dec 2021
10-Month
-1.38-0.03-1.356th Driest
Driest since:
1930
125th Wettest
Wettest since:
2018
Feb–Dec 2021
11-Month
-1.04-0.03-1.0111th Driest
Driest since:
1930
120th Wettest
Wettest since:
2003
Ties: 2012
Jan–Dec 2021
12-Month
-0.94-0.01-0.9312th Driest
Driest since:
1930
119th Wettest
Wettest since:
2003
Ties: 1977
Jul 2020–Dec 2021
18-Month
0.14-0.040.1879th Driest
Driest since:
1931, 1999
51st Wettest
Wettest since:
2003
Jan 2020–Dec 2021
24-Month
0.50-0.010.51112th Driest
Driest since:
1931
18th Wettest
Wettest since:
2004
Jan 2019–Dec 2021
36-Month
0.38-0.010.39111th Driest
Driest since:
1965
18th Wettest
Wettest since:
2020
Jan 2018–Dec 2021
48-Month
0.80-0.010.81126th Driest
Driest since:
1933
2nd Wettest
Wettest since:
2020
Jan 2017–Dec 2021
60-Month
0.52-0.010.53122nd Driest
Driest since:
1967
5th Wettest
Wettest since:
2020

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