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 1896

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 1896
1-Month
5.22"
(132.59mm)
4.63"
(117.60mm)
0.59"
(14.99mm)
77th Driest
Driest to Date
1976
52nd Wettest
Wettest since:
1964
Nov–Dec 1896
2-Month
13.81"
(350.77mm)
8.97"
(227.84mm)
4.84"
(122.93mm)
123rd Driest
Driest since:
1976
6th Wettest
Wettest to Date
1996
Oct–Dec 1896
3-Month
15.71"
(399.03mm)
11.51"
(292.35mm)
4.20"
(106.68mm)
120th Driest
Driest since:
1976
9th Wettest
Wettest to Date
1996
Sep–Dec 1896
4-Month
16.67"
(423.42mm)
12.93"
(328.42mm)
3.74"
(95.00mm)
115th Driest
Driest since:
1976
14th Wettest
Wettest to Date
1996
Aug–Dec 1896
5-Month
17.85"
(453.39mm)
13.73"
(348.74mm)
4.12"
(104.65mm)
118th Driest
Driest since:
1936
11th Wettest
Wettest to Date
1996
Jul–Dec 1896
6-Month
18.34"
(465.84mm)
14.46"
(367.28mm)
3.88"
(98.56mm)
116th Driest
Driest since:
1936
13th Wettest
Wettest to Date
1996
Jun–Dec 1896
7-Month
19.48"
(494.79mm)
16.18"
(410.97mm)
3.30"
(83.82mm)
106th Driest
Driest since:
1976
23rd Wettest
Wettest to Date
1996
May–Dec 1896
8-Month
23.45"
(595.63mm)
18.32"
(465.33mm)
5.13"
(130.30mm)
116th Driest
Driest since:
1935
13th Wettest
Wettest to Date
1996
Apr–Dec 1896
9-Month
27.24"
(691.90mm)
20.67"
(525.02mm)
6.57"
(166.88mm)
124th Driest
Driest since:
1976
5th Wettest
Wettest to Date
1996
Mar–Dec 1896
10-Month
30.22"
(767.59mm)
23.93"
(607.82mm)
6.29"
(159.77mm)
121st Driest
Driest since:
1976
8th Wettest
Wettest to Date
1996
Feb–Dec 1896
11-Month
33.11"
(840.99mm)
27.54"
(699.52mm)
5.57"
(141.47mm)
115th Driest
Driest since:
1935
14th Wettest
Wettest to Date
1996
Jan–Dec 1896
12-Month
39.81"
(1,011.17mm)
32.07"
(814.58mm)
7.74"
(196.59mm)
124th Driest
Driest since:
1929
5th Wettest
Wettest to Date
1996
Jul 1895–Dec 1896
18-Month
51.81"
(1,315.97mm)
46.58"
(1,183.13mm)
5.23"
(132.84mm)
106th Driest
Driest to Date
1929
22nd Wettest
Wettest to Date
1996
Jan 1895–Dec 1896
24-Month
67.95"
(1,725.93mm)
64.19"
(1,630.43mm)
3.76"
(95.50mm)
99th Driest
Driest to Date
1930
29th Wettest
Wettest to Date
1996

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