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 2017

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 2017
1-Month
1.11"
(28.19mm)
3.22"
(81.79mm)
-2.11"
(-53.60mm)
6th Driest
Driest since:
1965
122nd Wettest
Wettest since:
2009
Nov–Dec 2017
2-Month
2.47"
(62.74mm)
6.06"
(153.92mm)
-3.59"
(-91.18mm)
4th Driest
Driest since:
1965
124th Wettest
Wettest since:
2009
Oct–Dec 2017
3-Month
6.97"
(177.04mm)
9.18"
(233.17mm)
-2.21"
(-56.13mm)
26th Driest
Driest since:
1965
102nd Wettest
Wettest since:
2009
Sep–Dec 2017
4-Month
9.00"
(228.60mm)
12.73"
(323.34mm)
-3.73"
(-94.74mm)
14th Driest
Driest since:
2001
114th Wettest
Wettest since:
2018
Aug–Dec 2017
5-Month
13.66"
(346.96mm)
17.08"
(433.83mm)
-3.42"
(-86.87mm)
21st Driest
Driest since:
1930
107th Wettest
Wettest since:
2018
Ties: 1994
Jul–Dec 2017
6-Month
17.79"
(451.87mm)
21.61"
(548.89mm)
-3.82"
(-97.02mm)
16th Driest
Driest since:
1930
112th Wettest
Wettest since:
2018
Jun–Dec 2017
7-Month
21.20"
(538.48mm)
25.59"
(649.99mm)
-4.39"
(-111.51mm)
16th Driest
Driest since:
1930
112th Wettest
Wettest since:
2018
May–Dec 2017
8-Month
28.72"
(729.49mm)
29.42"
(747.27mm)
-0.70"
(-17.78mm)
55th Driest
Driest since:
1930
73rd Wettest
Wettest since:
2018
Apr–Dec 2017
9-Month
33.57"
(852.68mm)
32.79"
(832.87mm)
0.78"
(19.81mm)
73rd Driest
Driest since:
1930
55th Wettest
Wettest since:
2018
Mar–Dec 2017
10-Month
36.74"
(933.20mm)
36.57"
(928.88mm)
0.17"
(4.32mm)
63rd Driest
Driest since:
1930
65th Wettest
Wettest since:
2018
Ties: 1927
Feb–Dec 2017
11-Month
37.60"
(955.04mm)
39.59"
(1,005.59mm)
-1.99"
(-50.55mm)
38th Driest
Driest since:
1930
90th Wettest
Wettest since:
2018
Jan–Dec 2017
12-Month
41.56"
(1,055.62mm)
42.94"
(1,090.68mm)
-1.38"
(-35.06mm)
43rd Driest
Driest since:
1930
85th Wettest
Wettest since:
2018
Jul 2016–Dec 2017
18-Month
62.98"
(1,599.69mm)
64.55"
(1,639.57mm)
-1.57"
(-39.88mm)
46th Driest
Driest since:
1930
81st Wettest
Wettest since:
2003
Jan 2016–Dec 2017
24-Month
86.97"
(2,209.04mm)
85.88"
(2,181.35mm)
1.09"
(27.69mm)
68th Driest
Driest since:
1931
59th Wettest
Wettest since:
2004
Ties: 1913
Jan 2015–Dec 2017
36-Month
136.73"
(3,472.94mm)
128.83"
(3,272.28mm)
7.90"
(200.66mm)
94th Driest
Driest since:
1965
32nd Wettest
Wettest since:
2020
Jan 2014–Dec 2017
48-Month
180.48"
(4,584.19mm)
171.77"
(4,362.96mm)
8.71"
(221.23mm)
91st Driest
Driest since:
1966
34th Wettest
Wettest since:
2020
Jan 2013–Dec 2017
60-Month
231.85"
(5,888.99mm)
214.74"
(5,454.40mm)
17.11"
(434.59mm)
110th Driest
Driest since:
1967
14th Wettest
Wettest since:
2020

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