Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. 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

Precipitation Rankings, December 1991

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
December 1991
1-Month
4.81"
(122.17mm)
3.22"
(81.79mm)
1.59"
(40.38mm)
110th Driest
Driest since:
1965
19th Wettest
Wettest since:
2009
Nov–Dec 1991
2-Month
6.89"
(175.01mm)
6.06"
(153.92mm)
0.83"
(21.09mm)
85th Driest
Driest since:
1965
44th Wettest
Wettest since:
2009
Ties: 2008
Oct–Dec 1991
3-Month
8.51"
(216.15mm)
9.18"
(233.17mm)
-0.67"
(-17.02mm)
53rd Driest
Driest since:
1965
76th Wettest
Wettest since:
2009
Sep–Dec 1991
4-Month
10.99"
(279.15mm)
12.73"
(323.34mm)
-1.74"
(-44.19mm)
40th Driest
Driest since:
2001
89th Wettest
Wettest since:
2018
Aug–Dec 1991
5-Month
13.70"
(347.98mm)
17.08"
(433.83mm)
-3.38"
(-85.85mm)
23rd Driest
Driest since:
1930
106th Wettest
Wettest since:
2018
Jul–Dec 1991
6-Month
19.19"
(487.43mm)
21.61"
(548.89mm)
-2.42"
(-61.46mm)
28th Driest
Driest since:
1930
101st Wettest
Wettest since:
2018
Jun–Dec 1991
7-Month
22.65"
(575.31mm)
25.59"
(649.99mm)
-2.94"
(-74.68mm)
26th Driest
Driest since:
1930
103rd Wettest
Wettest since:
2018
May–Dec 1991
8-Month
25.07"
(636.78mm)
29.42"
(747.27mm)
-4.35"
(-110.49mm)
16th Driest
Driest since:
1930
113th Wettest
Wettest since:
2018
Apr–Dec 1991
9-Month
27.45"
(697.23mm)
32.79"
(832.87mm)
-5.34"
(-135.64mm)
13th Driest
Driest since:
1930
116th Wettest
Wettest since:
2018
Mar–Dec 1991
10-Month
33.33"
(846.58mm)
36.57"
(928.88mm)
-3.24"
(-82.30mm)
30th Driest
Driest since:
1930
99th Wettest
Wettest since:
2018
Feb–Dec 1991
11-Month
35.23"
(894.84mm)
39.59"
(1,005.59mm)
-4.36"
(-110.75mm)
19th Driest
Driest since:
1930
110th Wettest
Wettest since:
2018
Jan–Dec 1991
12-Month
38.95"
(989.33mm)
42.94"
(1,090.68mm)
-3.99"
(-101.35mm)
23rd Driest
Driest since:
1930
106th Wettest
Wettest since:
2018
Jul 1990–Dec 1991
18-Month
62.54"
(1,588.52mm)
64.55"
(1,639.57mm)
-2.01"
(-51.05mm)
41st Driest
Driest since:
1930
87th Wettest
Wettest since:
2003
Jan 1990–Dec 1991
24-Month
84.43"
(2,144.52mm)
85.88"
(2,181.35mm)
-1.45"
(-36.83mm)
51st Driest
Driest since:
1931
77th Wettest
Wettest since:
2004
Jan 1989–Dec 1991
36-Month
136.94"
(3,478.28mm)
128.83"
(3,272.28mm)
8.11"
(206.00mm)
96th Driest
Driest since:
1965
31st Wettest
Wettest since:
2020
Jan 1988–Dec 1991
48-Month
171.90"
(4,366.26mm)
171.77"
(4,362.96mm)
0.13"
(3.30mm)
55th Driest
Driest since:
1966
71st Wettest
Wettest since:
2020
Jan 1987–Dec 1991
60-Month
217.20"
(5,516.88mm)
214.74"
(5,454.40mm)
2.46"
(62.48mm)
62nd Driest
Driest since:
1967
63rd Wettest
Wettest since:
2020

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