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 2007 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 2007
1-Month
-0.910.08-0.9938th Driest
Driest since:
1965
93rd Wettest
Wettest since:
2009
Nov–Dec 2007
2-Month
-1.79-0.08-1.7115th Driest
Driest since:
2021
116th Wettest
Wettest since:
2009
Oct–Dec 2007
3-Month
-0.92-0.12-0.8037th Driest
Driest since:
2001
94th Wettest
Wettest since:
2018
Ties: 1916
Sep–Dec 2007
4-Month
-1.25-0.10-1.1525th Driest
Driest since:
1933, 1998
106th Wettest
Wettest since:
2018
Aug–Dec 2007
5-Month
-1.63-0.06-1.5713th Driest
Driest since:
1941
118th Wettest
Wettest since:
2018
Jul–Dec 2007
6-Month
-1.64-0.07-1.578th Driest
Driest since:
1930
123rd Wettest
Wettest since:
2018
Jun–Dec 2007
7-Month
-1.42-0.02-1.4012th Driest
Driest since:
1930
119th Wettest
Wettest since:
2018
Ties: 1991
May–Dec 2007
8-Month
-1.49-0.04-1.457th Driest
Driest since:
1930
124th Wettest
Wettest since:
2018
Apr–Dec 2007
9-Month
-1.33-0.04-1.2910th Driest
Driest since:
1930
121st Wettest
Wettest since:
2018
Mar–Dec 2007
10-Month
-1.23-0.03-1.2010th Driest
Driest since:
1930
121st Wettest
Wettest since:
2018
Feb–Dec 2007
11-Month
-1.19-0.03-1.167th Driest
Driest since:
1930
124th Wettest
Wettest since:
2003
Jan–Dec 2007
12-Month
-1.04-0.01-1.0310th Driest
Driest since:
1930
121st Wettest
Wettest since:
2003
Jul 2006–Dec 2007
18-Month
-0.40-0.04-0.3629th Driest
Driest since:
1931, 1999
101st Wettest
Wettest since:
2003
Ties: 1959
Jan 2006–Dec 2007
24-Month
-0.58-0.01-0.5712th Driest
Driest since:
1931
118th Wettest
Wettest since:
2004
Jan 2005–Dec 2007
36-Month
-0.52-0.01-0.518th Driest
Driest since:
1965
121st Wettest
Wettest since:
2020
Ties: 1931
Jan 2004–Dec 2007
48-Month
-0.35-0.01-0.3416th Driest
Driest since:
1933
112th Wettest
Wettest since:
2020
Ties: 2000
Jan 2003–Dec 2007
60-Month
0.15-0.010.1694th Driest
Driest since:
1967
33rd Wettest
Wettest since:
2020

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