Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Oregon

Precipitation Rankings, October 1987

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
October 1987
1-Month
0.11"
(2.79mm)
2.44"
(61.98mm)
-2.33"
(-59.19mm)
3rd Driest
Driest since:
1895
126th Wettest
Wettest since:
1950
Sep–Oct 1987
2-Month
0.26"
(6.60mm)
3.68"
(93.47mm)
-3.42"
(-86.87mm)
1st Driest
Driest since:
1987
128th Wettest
Wettest since:
1950
Aug–Oct 1987
3-Month
0.48"
(12.19mm)
4.29"
(108.97mm)
-3.81"
(-96.78mm)
1st Driest
Driest since:
1987
128th Wettest
Wettest since:
1950
Jul–Oct 1987
4-Month
2.29"
(58.17mm)
4.81"
(122.17mm)
-2.52"
(-64.00mm)
8th Driest
Driest since:
1929
121st Wettest
Wettest since:
1950
Jun–Oct 1987
5-Month
3.29"
(83.57mm)
6.35"
(161.29mm)
-3.06"
(-77.72mm)
5th Driest
Driest since:
1917
124th Wettest
Wettest since:
1947
May–Oct 1987
6-Month
5.20"
(132.08mm)
8.43"
(214.12mm)
-3.23"
(-82.04mm)
9th Driest
Driest since:
2002
120th Wettest
Wettest since:
1947
Apr–Oct 1987
7-Month
6.60"
(167.64mm)
10.82"
(274.83mm)
-4.22"
(-107.19mm)
2nd Driest
Driest since:
2002
127th Wettest
Wettest since:
1947
Mar–Oct 1987
8-Month
10.29"
(261.37mm)
14.26"
(362.20mm)
-3.97"
(-100.83mm)
9th Driest
Driest since:
2002
120th Wettest
Wettest since:
1984
Feb–Oct 1987
9-Month
13.56"
(344.42mm)
18.08"
(459.23mm)
-4.52"
(-114.81mm)
13th Driest
Driest since:
1929
116th Wettest
Wettest since:
1904
Jan–Oct 1987
10-Month
18.13"
(460.50mm)
22.85"
(580.39mm)
-4.72"
(-119.89mm)
15th Driest
Driest since:
1929
114th Wettest
Wettest since:
1996
Dec 1986–Oct 1987
11-Month
20.19"
(512.83mm)
27.69"
(703.33mm)
-7.50"
(-190.50mm)
7th Driest
Driest since:
2001
121st Wettest
Wettest since:
1956
Nov 1986–Oct 1987
12-Month
25.03"
(635.76mm)
32.24"
(818.90mm)
-7.21"
(-183.14mm)
11th Driest
Driest since:
1977
117th Wettest
Wettest since:
1997
May 1986–Oct 1987
18-Month
33.55"
(852.17mm)
40.71"
(1,034.03mm)
-7.16"
(-181.86mm)
14th Driest
Driest since:
1929
114th Wettest
Wettest since:
1997
Nov 1985–Oct 1987
24-Month
57.21"
(1,453.13mm)
64.50"
(1,638.30mm)
-7.29"
(-185.17mm)
20th Driest
Driest since:
1930
107th Wettest
Wettest since:
1997
Nov 1984–Oct 1987
36-Month
86.26"
(2,191.00mm)
96.73"
(2,456.94mm)
-10.47"
(-265.94mm)
17th Driest
Driest since:
1931
109th Wettest
Wettest since:
1997
Nov 1983–Oct 1987
48-Month
127.07"
(3,227.58mm)
128.90"
(3,274.06mm)
-1.83"
(-46.48mm)
55th Driest
Driest since:
1931
70th Wettest
Wettest since:
1998
Nov 1982–Oct 1987
60-Month
167.33"
(4,250.18mm)
160.99"
(4,089.15mm)
6.34"
(161.03mm)
93rd Driest
Driest since:
1932
31st Wettest
Wettest since:
1999

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