Climate at a Glance

Regional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2020. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, May 1904

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1904
1-Month
0.90"
(22.86mm)
2.14"
(54.36mm)
-1.24"
(-31.50mm)
4th Driest Driest to Date 1924
123rd Wettest Wettest since: 1903 1998
Apr–May 1904
2-Month
3.46"
(87.88mm)
4.50"
(114.30mm)
-1.04"
(-26.42mm)
18th Driest Driest since: 1903 1924
109th Wettest Wettest since: 1902 1996
Ties: 1949, 2016
Mar–May 1904
3-Month
10.82"
(274.83mm)
7.76"
(197.10mm)
3.06"
(77.73mm)
121st Driest Driest since: 1903 1924
6th Wettest Wettest to Date 2011
Feb–May 1904
4-Month
18.40"
(467.36mm)
11.37"
(288.80mm)
7.03"
(178.56mm)
126th Driest Driest since: 1903 1924
1st Wettest Wettest to Date 1904
Jan–May 1904
5-Month
22.17"
(563.12mm)
15.90"
(403.86mm)
6.27"
(159.26mm)
126th Driest Driest since: 1903 1924
1st Wettest Wettest to Date 1904
Dec 1903–May 1904
6-Month
24.82"
(630.43mm)
20.54"
(521.72mm)
4.28"
(108.71mm)
110th Driest Driest since: 1903 1977
16th Wettest Wettest since: 1896 1997
Nov 1903–May 1904
7-Month
32.36"
(821.94mm)
24.89"
(632.21mm)
7.47"
(189.73mm)
121st Driest Driest since: 1903 1977
5th Wettest Wettest to Date 1974
Oct 1903–May 1904
8-Month
34.26"
(870.20mm)
27.45"
(697.23mm)
6.81"
(172.97mm)
118th Driest Driest since: 1903 1977
8th Wettest Wettest to Date 1974
Sep 1903–May 1904
9-Month
35.92"
(912.37mm)
28.87"
(733.30mm)
7.05"
(179.07mm)
119th Driest Driest since: 1903 1977
7th Wettest Wettest to Date 1974
Aug 1903–May 1904
10-Month
36.86"
(936.24mm)
29.68"
(753.87mm)
7.18"
(182.37mm)
118th Driest Driest since: 1903 1977
8th Wettest Wettest to Date 1974
Jul 1903–May 1904
11-Month
37.63"
(955.80mm)
30.40"
(772.16mm)
7.23"
(183.64mm)
118th Driest Driest since: 1903 1977
8th Wettest Wettest to Date 1974
Jun 1903–May 1904
12-Month
39.48"
(1,002.79mm)
32.13"
(816.10mm)
7.35"
(186.69mm)
117th Driest Driest since: 1903 1977
9th Wettest Wettest to Date 1996
Dec 1902–May 1904
18-Month
60.25"
(1,530.35mm)
52.65"
(1,337.31mm)
7.60"
(193.04mm)
113th Driest Driest since: 1903 1930
12th Wettest Wettest since: 1897 1997
Jun 1902–May 1904
24-Month
71.66"
(1,820.16mm)
64.28"
(1,632.71mm)
7.38"
(187.45mm)
111th Driest Driest since: 1903 1930
14th Wettest Wettest to Date 1997
Jun 1901–May 1904
36-Month
103.80"
(2,636.52mm)
96.36"
(2,447.54mm)
7.44"
(188.98mm)
106th Driest Driest since: 1903 1931
18th Wettest Wettest to Date 1998
Jun 1900–May 1904
48-Month
137.51"
(3,492.75mm)
128.40"
(3,261.36mm)
9.11"
(231.39mm)
108th Driest Driest since: 1903 1931
15th Wettest Wettest to Date 1999
Jun 1899–May 1904
60-Month
170.43"
(4,328.92mm)
160.37"
(4,073.40mm)
10.06"
(255.52mm)
105th Driest Driest since: 1903 1933
17th Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2020, retrieved on October 28, 2020 from https://www.ncdc.noaa.gov/cag/