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 1976

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 1976
1-Month
1.31"
(33.27mm)
4.63"
(117.60mm)
-3.32"
(-84.33mm)
1st Driest
Driest since:
1976
128th Wettest
Wettest since:
1964
Nov–Dec 1976
2-Month
2.32"
(58.93mm)
8.97"
(227.84mm)
-6.65"
(-168.91mm)
1st Driest
Driest since:
1976
128th Wettest
Wettest since:
1996
Oct–Dec 1976
3-Month
3.46"
(87.88mm)
11.51"
(292.35mm)
-8.05"
(-204.47mm)
1st Driest
Driest since:
1976
128th Wettest
Wettest since:
1996
Sep–Dec 1976
4-Month
4.66"
(118.36mm)
12.93"
(328.42mm)
-8.27"
(-210.06mm)
1st Driest
Driest since:
1976
128th Wettest
Wettest since:
1996
Aug–Dec 1976
5-Month
7.15"
(181.61mm)
13.73"
(348.74mm)
-6.58"
(-167.13mm)
2nd Driest
Driest since:
1936
127th Wettest
Wettest since:
1996
Jul–Dec 1976
6-Month
8.08"
(205.23mm)
14.46"
(367.28mm)
-6.38"
(-162.05mm)
2nd Driest
Driest since:
1936
127th Wettest
Wettest since:
1996
Jun–Dec 1976
7-Month
9.32"
(236.73mm)
16.18"
(410.97mm)
-6.86"
(-174.24mm)
1st Driest
Driest since:
1976
128th Wettest
Wettest since:
1996
May–Dec 1976
8-Month
10.72"
(272.29mm)
18.32"
(465.33mm)
-7.60"
(-193.04mm)
2nd Driest
Driest since:
1935
127th Wettest
Wettest since:
1996
Apr–Dec 1976
9-Month
13.08"
(332.23mm)
20.67"
(525.02mm)
-7.59"
(-192.79mm)
1st Driest
Driest since:
1976
128th Wettest
Wettest since:
1996
Mar–Dec 1976
10-Month
16.02"
(406.91mm)
23.93"
(607.82mm)
-7.91"
(-200.91mm)
1st Driest
Driest since:
1976
128th Wettest
Wettest since:
1996
Feb–Dec 1976
11-Month
20.16"
(512.06mm)
27.54"
(699.52mm)
-7.38"
(-187.46mm)
4th Driest
Driest since:
1935
125th Wettest
Wettest since:
1996
Jan–Dec 1976
12-Month
24.74"
(628.40mm)
32.07"
(814.58mm)
-7.33"
(-186.18mm)
7th Driest
Driest since:
1929
122nd Wettest
Wettest since:
1996
Jul 1975–Dec 1976
18-Month
42.89"
(1,089.41mm)
46.58"
(1,183.13mm)
-3.69"
(-93.72mm)
34th Driest
Driest since:
1929
94th Wettest
Wettest since:
1996
Jan 1975–Dec 1976
24-Month
62.65"
(1,591.31mm)
64.19"
(1,630.43mm)
-1.54"
(-39.12mm)
55th Driest
Driest since:
1930
73rd Wettest
Wettest since:
1996
Jan 1974–Dec 1976
36-Month
95.65"
(2,429.51mm)
96.33"
(2,446.78mm)
-0.68"
(-17.27mm)
60th Driest
Driest since:
1930
67th Wettest
Wettest since:
1997
Jan 1973–Dec 1976
48-Month
128.76"
(3,270.50mm)
128.33"
(3,259.58mm)
0.43"
(10.92mm)
71st Driest
Driest since:
1931
55th Wettest
Wettest since:
1998
Jan 1972–Dec 1976
60-Month
164.01"
(4,165.85mm)
160.34"
(4,072.64mm)
3.67"
(93.21mm)
83rd Driest
Driest since:
1932
42nd Wettest
Wettest since:
1999

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