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 December 2020. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, May 1998

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1998
1-Month
4.70"
(119.38mm)
2.14"
(54.36mm)
2.56"
(65.02mm)
126th Driest Driest since: 1997 1924
1st Wettest Wettest to Date 1998
Apr–May 1998
2-Month
6.60"
(167.64mm)
4.50"
(114.30mm)
2.10"
(53.34mm)
118th Driest Driest since: 1997 1924
9th Wettest Wettest since: 1996 1996
Mar–May 1998
3-Month
9.94"
(252.48mm)
7.76"
(197.10mm)
2.18"
(55.38mm)
106th Driest Driest since: 1994 1924
21st Wettest Wettest since: 1997 2011
Feb–May 1998
4-Month
13.74"
(349.00mm)
11.37"
(288.80mm)
2.37"
(60.20mm)
107th Driest Driest since: 1997 1924
20th Wettest Wettest since: 1996 1904
Jan–May 1998
5-Month
20.10"
(510.54mm)
15.90"
(403.86mm)
4.20"
(106.68mm)
119th Driest Driest since: 1997 1924
8th Wettest Wettest since: 1996 1904
Dec 1997–May 1998
6-Month
22.79"
(578.87mm)
20.54"
(521.72mm)
2.25"
(57.15mm)
94th Driest Driest since: 1994 1977
32nd Wettest Wettest since: 1997 1997
Nov 1997–May 1998
7-Month
25.76"
(654.30mm)
24.89"
(632.21mm)
0.87"
(22.09mm)
76th Driest Driest since: 1994 1977
50th Wettest Wettest since: 1997 1974
Oct 1997–May 1998
8-Month
29.84"
(757.94mm)
27.45"
(697.23mm)
2.39"
(60.71mm)
91st Driest Driest since: 1994 1977
35th Wettest Wettest since: 1997 1974
Sep 1997–May 1998
9-Month
32.28"
(819.91mm)
28.87"
(733.30mm)
3.41"
(86.61mm)
100th Driest Driest since: 1994 1977
26th Wettest Wettest since: 1997 1974
Aug 1997–May 1998
10-Month
33.25"
(844.55mm)
29.68"
(753.87mm)
3.57"
(90.68mm)
99th Driest Driest since: 1994 1977
27th Wettest Wettest since: 1997 1974
Jul 1997–May 1998
11-Month
34.72"
(881.89mm)
30.40"
(772.16mm)
4.32"
(109.73mm)
105th Driest Driest since: 1995 1977
21st Wettest Wettest since: 1997 1974
Jun 1997–May 1998
12-Month
36.96"
(938.78mm)
32.13"
(816.10mm)
4.83"
(122.68mm)
105th Driest Driest since: 1995 1977
21st Wettest Wettest since: 1997 1996
Dec 1996–May 1998
18-Month
65.52"
(1,664.21mm)
52.65"
(1,337.31mm)
12.87"
(326.90mm)
121st Driest Driest since: 1995 1930
4th Wettest Wettest since: 1997 1997
Jun 1996–May 1998
24-Month
78.28"
(1,988.31mm)
64.28"
(1,632.71mm)
14.00"
(355.60mm)
120th Driest Driest since: 1995 1930
5th Wettest Wettest since: 1997 1997
Jun 1995–May 1998
36-Month
121.99"
(3,098.55mm)
96.36"
(2,447.54mm)
25.63"
(651.01mm)
123rd Driest Driest since: 1997 1931
1st Wettest Wettest to Date 1998
Jun 1994–May 1998
48-Month
157.30"
(3,995.42mm)
128.40"
(3,261.36mm)
28.90"
(734.06mm)
121st Driest Driest since: 1997 1931
2nd Wettest Wettest to Date 1999
Jun 1993–May 1998
60-Month
183.14"
(4,651.76mm)
160.37"
(4,073.40mm)
22.77"
(578.36mm)
119th Driest Driest since: 1997 1933
3rd Wettest Wettest to Date 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published January 2021, retrieved on January 16, 2021 from https://www.ncdc.noaa.gov/cag/