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 1935

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 1935
1-Month
3.21"
(81.53mm)
4.63"
(117.60mm)
-1.42"
(-36.07mm)
30th Driest
Driest since:
1976
99th Wettest
Wettest since:
1964
Nov–Dec 1935
2-Month
5.05"
(128.27mm)
8.97"
(227.84mm)
-3.92"
(-99.57mm)
9th Driest
Driest since:
1976
120th Wettest
Wettest since:
1996
Oct–Dec 1935
3-Month
7.06"
(179.32mm)
11.51"
(292.35mm)
-4.45"
(-113.03mm)
8th Driest
Driest since:
1976
121st Wettest
Wettest since:
1996
Sep–Dec 1935
4-Month
7.76"
(197.10mm)
12.93"
(328.42mm)
-5.17"
(-131.32mm)
5th Driest
Driest since:
1976
124th Wettest
Wettest since:
1996
Aug–Dec 1935
5-Month
8.07"
(204.98mm)
13.73"
(348.74mm)
-5.66"
(-143.76mm)
5th Driest
Driest since:
1936
124th Wettest
Wettest since:
1996
Jul–Dec 1935
6-Month
8.68"
(220.47mm)
14.46"
(367.28mm)
-5.78"
(-146.81mm)
4th Driest
Driest since:
1936
125th Wettest
Wettest since:
1996
Jun–Dec 1935
7-Month
9.58"
(243.33mm)
16.18"
(410.97mm)
-6.60"
(-167.64mm)
2nd Driest
Driest since:
1976
127th Wettest
Wettest since:
1996
May–Dec 1935
8-Month
10.61"
(269.49mm)
18.32"
(465.33mm)
-7.71"
(-195.84mm)
1st Driest
Driest since:
1935
128th Wettest
Wettest since:
1996
Apr–Dec 1935
9-Month
13.39"
(340.11mm)
20.67"
(525.02mm)
-7.28"
(-184.91mm)
2nd Driest
Driest since:
1976
127th Wettest
Wettest since:
1996
Mar–Dec 1935
10-Month
16.78"
(426.21mm)
23.93"
(607.82mm)
-7.15"
(-181.61mm)
5th Driest
Driest since:
1976
124th Wettest
Wettest since:
1996
Feb–Dec 1935
11-Month
18.76"
(476.50mm)
27.54"
(699.52mm)
-8.78"
(-223.02mm)
1st Driest
Driest since:
1935
128th Wettest
Wettest since:
1996
Jan–Dec 1935
12-Month
23.34"
(592.84mm)
32.07"
(814.58mm)
-8.73"
(-221.74mm)
2nd Driest
Driest since:
1929
127th Wettest
Wettest since:
1996
Jul 1934–Dec 1935
18-Month
39.48"
(1,002.79mm)
46.58"
(1,183.13mm)
-7.10"
(-180.34mm)
11th Driest
Driest since:
1929
117th Wettest
Wettest since:
1996
Jan 1934–Dec 1935
24-Month
53.29"
(1,353.57mm)
64.19"
(1,630.43mm)
-10.90"
(-276.86mm)
6th Driest
Driest since:
1930
122nd Wettest
Wettest since:
1996
Jan 1933–Dec 1935
36-Month
87.47"
(2,221.74mm)
96.33"
(2,446.78mm)
-8.86"
(-225.04mm)
18th Driest
Driest since:
1930
109th Wettest
Wettest since:
1997
Jan 1932–Dec 1935
48-Month
120.42"
(3,058.67mm)
128.33"
(3,259.58mm)
-7.91"
(-200.91mm)
28th Driest
Driest since:
1931
98th Wettest
Wettest since:
1998
Jan 1931–Dec 1935
60-Month
149.88"
(3,806.95mm)
160.34"
(4,072.64mm)
-10.46"
(-265.69mm)
22nd Driest
Driest since:
1932
103rd Wettest
Wettest since:
1999
Ties: 1994

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