Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Northwest Climate Region

Precipitation Rankings, December 2002

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 2002
1-Month
5.80"
(147.32mm)
4.63"
(117.60mm)
1.17"
(29.72mm)
96th Driest
Driest since:
1976
33rd Wettest
Wettest since:
1964
Nov–Dec 2002
2-Month
8.37"
(212.60mm)
8.97"
(227.84mm)
-0.60"
(-15.24mm)
52nd Driest
Driest since:
1976
77th Wettest
Wettest since:
1996
Oct–Dec 2002
3-Month
8.93"
(226.82mm)
11.51"
(292.35mm)
-2.58"
(-65.53mm)
26th Driest
Driest since:
1976
103rd Wettest
Wettest since:
1996
Sep–Dec 2002
4-Month
9.73"
(247.14mm)
12.93"
(328.42mm)
-3.20"
(-81.28mm)
16th Driest
Driest since:
1976
113th Wettest
Wettest since:
1996
Aug–Dec 2002
5-Month
10.08"
(256.03mm)
13.73"
(348.74mm)
-3.65"
(-92.71mm)
15th Driest
Driest since:
1936
114th Wettest
Wettest since:
1996
Jul–Dec 2002
6-Month
10.48"
(266.19mm)
14.46"
(367.28mm)
-3.98"
(-101.09mm)
14th Driest
Driest since:
1936
115th Wettest
Wettest since:
1996
Jun–Dec 2002
7-Month
11.87"
(301.50mm)
16.18"
(410.97mm)
-4.31"
(-109.47mm)
11th Driest
Driest since:
1976
118th Wettest
Wettest since:
1996
May–Dec 2002
8-Month
13.34"
(338.84mm)
18.32"
(465.33mm)
-4.98"
(-126.49mm)
8th Driest
Driest since:
1935
121st Wettest
Wettest since:
1996
Apr–Dec 2002
9-Month
15.83"
(402.08mm)
20.67"
(525.02mm)
-4.84"
(-122.94mm)
11th Driest
Driest since:
1976
118th Wettest
Wettest since:
1996
Mar–Dec 2002
10-Month
19.06"
(484.12mm)
23.93"
(607.82mm)
-4.87"
(-123.70mm)
10th Driest
Driest since:
1976
119th Wettest
Wettest since:
1996
Feb–Dec 2002
11-Month
21.55"
(547.37mm)
27.54"
(699.52mm)
-5.99"
(-152.15mm)
9th Driest
Driest since:
1935
120th Wettest
Wettest since:
1996
Jan–Dec 2002
12-Month
26.57"
(674.88mm)
32.07"
(814.58mm)
-5.50"
(-139.70mm)
14th Driest
Driest since:
1929
115th Wettest
Wettest since:
1996
Jul 2001–Dec 2002
18-Month
42.35"
(1,075.69mm)
46.58"
(1,183.13mm)
-4.23"
(-107.44mm)
29th Driest
Driest since:
1929
99th Wettest
Wettest since:
1996
Jan 2001–Dec 2002
24-Month
54.17"
(1,375.92mm)
64.19"
(1,630.43mm)
-10.02"
(-254.51mm)
7th Driest
Driest since:
1930
121st Wettest
Wettest since:
1996
Jan 2000–Dec 2002
36-Month
81.42"
(2,068.07mm)
96.33"
(2,446.78mm)
-14.91"
(-378.71mm)
4th Driest
Driest since:
1930
123rd Wettest
Wettest since:
1997
Jan 1999–Dec 2002
48-Month
114.82"
(2,916.43mm)
128.33"
(3,259.58mm)
-13.51"
(-343.15mm)
7th Driest
Driest since:
1931
119th Wettest
Wettest since:
1998
Jan 1998–Dec 2002
60-Month
154.58"
(3,926.33mm)
160.34"
(4,072.64mm)
-5.76"
(-146.31mm)
33rd Driest
Driest since:
1932
92nd Wettest
Wettest since:
1999

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