Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 1952

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 1952
1-Month
5.09"
(129.29mm)
4.63"
(117.60mm)
0.46"
(11.69mm)
74th Driest
Driest since:
1976
55th Wettest
Wettest since:
1964
Nov–Dec 1952
2-Month
6.34"
(161.04mm)
8.97"
(227.84mm)
-2.63"
(-66.80mm)
23rd Driest
Driest since:
1976
106th Wettest
Wettest since:
1996
Oct–Dec 1952
3-Month
6.74"
(171.20mm)
11.51"
(292.35mm)
-4.77"
(-121.15mm)
7th Driest
Driest since:
1976
122nd Wettest
Wettest since:
1996
Sep–Dec 1952
4-Month
7.33"
(186.18mm)
12.93"
(328.42mm)
-5.60"
(-142.24mm)
4th Driest
Driest since:
1976
125th Wettest
Wettest since:
1996
Aug–Dec 1952
5-Month
7.75"
(196.85mm)
13.73"
(348.74mm)
-5.98"
(-151.89mm)
3rd Driest
Driest since:
1936
126th Wettest
Wettest since:
1996
Jul–Dec 1952
6-Month
8.19"
(208.03mm)
14.46"
(367.28mm)
-6.27"
(-159.25mm)
3rd Driest
Driest since:
1936
126th Wettest
Wettest since:
1996
Jun–Dec 1952
7-Month
10.91"
(277.11mm)
16.18"
(410.97mm)
-5.27"
(-133.86mm)
5th Driest
Driest since:
1976
124th Wettest
Wettest since:
1996
May–Dec 1952
8-Month
12.60"
(320.04mm)
18.32"
(465.33mm)
-5.72"
(-145.29mm)
7th Driest
Driest since:
1935
122nd Wettest
Wettest since:
1996
Apr–Dec 1952
9-Month
13.88"
(352.55mm)
20.67"
(525.02mm)
-6.79"
(-172.47mm)
4th Driest
Driest since:
1976
125th Wettest
Wettest since:
1996
Mar–Dec 1952
10-Month
16.73"
(424.94mm)
23.93"
(607.82mm)
-7.20"
(-182.88mm)
4th Driest
Driest since:
1976
125th Wettest
Wettest since:
1996
Feb–Dec 1952
11-Month
19.99"
(507.75mm)
27.54"
(699.52mm)
-7.55"
(-191.77mm)
3rd Driest
Driest since:
1935
126th Wettest
Wettest since:
1996
Jan–Dec 1952
12-Month
24.19"
(614.43mm)
32.07"
(814.58mm)
-7.88"
(-200.15mm)
5th Driest
Driest since:
1929
124th Wettest
Wettest since:
1996
Jul 1951–Dec 1952
18-Month
41.45"
(1,052.83mm)
46.58"
(1,183.13mm)
-5.13"
(-130.30mm)
21st Driest
Driest since:
1929
107th Wettest
Wettest since:
1996
Jan 1951–Dec 1952
24-Month
59.07"
(1,500.38mm)
64.19"
(1,630.43mm)
-5.12"
(-130.05mm)
28th Driest
Driest since:
1930
100th Wettest
Wettest since:
1996
Jan 1950–Dec 1952
36-Month
99.13"
(2,517.90mm)
96.33"
(2,446.78mm)
2.80"
(71.12mm)
90th Driest
Driest since:
1930
37th Wettest
Wettest since:
1997
Jan 1949–Dec 1952
48-Month
126.09"
(3,202.69mm)
128.33"
(3,259.58mm)
-2.24"
(-56.89mm)
49th Driest
Driest since:
1931
77th Wettest
Wettest since:
1998
Jan 1948–Dec 1952
60-Month
165.15"
(4,194.81mm)
160.34"
(4,072.64mm)
4.81"
(122.17mm)
89th Driest
Driest since:
1932
36th Wettest
Wettest since:
1999

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