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 1999

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 1999
1-Month
2.20"
(55.88mm)
3.22"
(81.79mm)
-1.02"
(-25.91mm)
27th Driest
Driest since:
1965
102nd Wettest
Wettest since:
2009
Ties: 1946
Nov–Dec 1999
2-Month
4.42"
(112.27mm)
6.06"
(153.92mm)
-1.64"
(-41.65mm)
27th Driest
Driest since:
1965
102nd Wettest
Wettest since:
2009
Oct–Dec 1999
3-Month
7.07"
(179.58mm)
9.18"
(233.17mm)
-2.11"
(-53.59mm)
29th Driest
Driest since:
1965
100th Wettest
Wettest since:
2009
Sep–Dec 1999
4-Month
17.44"
(442.98mm)
12.73"
(323.34mm)
4.71"
(119.64mm)
112th Driest
Driest since:
2001
17th Wettest
Wettest since:
2018
Aug–Dec 1999
5-Month
20.79"
(528.07mm)
17.08"
(433.83mm)
3.71"
(94.24mm)
107th Driest
Driest since:
1930
22nd Wettest
Wettest since:
2018
Jul–Dec 1999
6-Month
24.97"
(634.24mm)
21.61"
(548.89mm)
3.36"
(85.35mm)
104th Driest
Driest since:
1930
25th Wettest
Wettest since:
2018
Jun–Dec 1999
7-Month
26.86"
(682.24mm)
25.59"
(649.99mm)
1.27"
(32.25mm)
81st Driest
Driest since:
1930
48th Wettest
Wettest since:
2018
Ties: 1992
May–Dec 1999
8-Month
29.17"
(740.92mm)
29.42"
(747.27mm)
-0.25"
(-6.35mm)
61st Driest
Driest since:
1930
68th Wettest
Wettest since:
2018
Apr–Dec 1999
9-Month
32.07"
(814.58mm)
32.79"
(832.87mm)
-0.72"
(-18.29mm)
57th Driest
Driest since:
1930
72nd Wettest
Wettest since:
2018
Mar–Dec 1999
10-Month
35.53"
(902.46mm)
36.57"
(928.88mm)
-1.04"
(-26.42mm)
49th Driest
Driest since:
1930
80th Wettest
Wettest since:
2018
Feb–Dec 1999
11-Month
37.73"
(958.34mm)
39.59"
(1,005.59mm)
-1.86"
(-47.25mm)
40th Driest
Driest since:
1930
89th Wettest
Wettest since:
2018
Jan–Dec 1999
12-Month
42.72"
(1,085.09mm)
42.94"
(1,090.68mm)
-0.22"
(-5.59mm)
62nd Driest
Driest since:
1930
67th Wettest
Wettest since:
2018
Jul 1998–Dec 1999
18-Month
56.01"
(1,422.65mm)
64.55"
(1,639.57mm)
-8.54"
(-216.92mm)
13th Driest
Driest since:
1930
115th Wettest
Wettest since:
2003
Jan 1998–Dec 1999
24-Month
88.66"
(2,251.96mm)
85.88"
(2,181.35mm)
2.78"
(70.61mm)
79th Driest
Driest since:
1931
49th Wettest
Wettest since:
2004
Jan 1997–Dec 1999
36-Month
126.74"
(3,219.20mm)
128.83"
(3,272.28mm)
-2.09"
(-53.08mm)
43rd Driest
Driest since:
1965
84th Wettest
Wettest since:
2020
Jan 1996–Dec 1999
48-Month
182.63"
(4,638.80mm)
171.77"
(4,362.96mm)
10.86"
(275.84mm)
103rd Driest
Driest since:
1966
23rd Wettest
Wettest since:
2020
Jan 1995–Dec 1999
60-Month
226.94"
(5,764.28mm)
214.74"
(5,454.40mm)
12.20"
(309.88mm)
98th Driest
Driest since:
1967
27th Wettest
Wettest since:
2020

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