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, November 1999

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
November 1999
1-Month
4.73"
(120.14mm)
4.34"
(110.24mm)
0.39"
(9.90mm)
78th Driest
Driest since:
1936
51st Wettest
Wettest since:
1909
Oct–Nov 1999
2-Month
6.89"
(175.01mm)
6.88"
(174.75mm)
0.01"
(0.26mm)
65th Driest
Driest since:
1936
64th Wettest
Wettest since:
1909
Sep–Nov 1999
3-Month
7.08"
(179.83mm)
8.30"
(210.82mm)
-1.22"
(-30.99mm)
38th Driest
Driest since:
1936
91st Wettest
Wettest since:
1973
Aug–Nov 1999
4-Month
8.23"
(209.04mm)
9.10"
(231.14mm)
-0.87"
(-22.10mm)
43rd Driest
Driest since:
1936
86th Wettest
Wettest since:
1927
Jul–Nov 1999
5-Month
8.66"
(219.96mm)
9.83"
(249.68mm)
-1.17"
(-29.72mm)
41st Driest
Driest since:
1929
88th Wettest
Wettest since:
1909
Jun–Nov 1999
6-Month
10.12"
(257.05mm)
11.55"
(293.37mm)
-1.43"
(-36.32mm)
37th Driest
Driest since:
1929
92nd Wettest
Wettest since:
1983, 1984
May–Nov 1999
7-Month
12.33"
(313.18mm)
13.69"
(347.73mm)
-1.36"
(-34.55mm)
41st Driest
Driest since:
1929
88th Wettest
Wettest since:
1984
Ties: 1965
Apr–Nov 1999
8-Month
13.82"
(351.03mm)
16.05"
(407.67mm)
-2.23"
(-56.64mm)
29th Driest
Driest since:
1929
100th Wettest
Wettest since:
1984
Ties: 2015
Mar–Nov 1999
9-Month
16.83"
(427.48mm)
19.31"
(490.47mm)
-2.48"
(-62.99mm)
32nd Driest
Driest since:
1929
97th Wettest
Wettest since:
1984
Feb–Nov 1999
10-Month
23.99"
(609.35mm)
22.92"
(582.17mm)
1.07"
(27.18mm)
81st Driest
Driest since:
1929
48th Wettest
Wettest since:
1983
Ties: 1957
Jan–Nov 1999
11-Month
29.24"
(742.70mm)
27.45"
(697.23mm)
1.79"
(45.47mm)
85th Driest
Driest since:
1929
44th Wettest
Wettest since:
1983
Dec 1998–Nov 1999
12-Month
35.43"
(899.92mm)
32.09"
(815.09mm)
3.34"
(84.83mm)
100th Driest
Driest since:
1929
28th Wettest
Wettest since:
1997
Ties: 1903
Jun 1998–Nov 1999
18-Month
48.90"
(1,242.06mm)
43.68"
(1,109.47mm)
5.22"
(132.59mm)
108th Driest
Driest since:
1929
20th Wettest
Wettest since:
1996
Dec 1997–Nov 1999
24-Month
71.69"
(1,820.93mm)
64.20"
(1,630.68mm)
7.49"
(190.25mm)
114th Driest
Driest since:
1929
13th Wettest
Wettest since:
1997
Dec 1996–Nov 1999
36-Month
114.42"
(2,906.27mm)
96.31"
(2,446.27mm)
18.11"
(460.00mm)
121st Driest
Driest since:
1930
5th Wettest
Wettest since:
1997
Dec 1995–Nov 1999
48-Month
155.19"
(3,941.83mm)
128.35"
(3,260.09mm)
26.84"
(681.74mm)
122nd Driest
Driest since:
1931
3rd Wettest
Wettest since:
1998
Dec 1994–Nov 1999
60-Month
194.21"
(4,932.93mm)
160.31"
(4,071.87mm)
33.90"
(861.06mm)
123rd Driest
Driest since:
1932
1st Wettest
Wettest to Date
1999

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