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 May 2021. For more information, please see Climatological Rankings.


Northwest Climate Region

Precipitation Rankings, May 1931

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 1931
1-Month
0.92"
(23.37mm)
2.14"
(54.36mm)
-1.22"
(-30.99mm)
5th Driest Driest since: 1928 1924
123rd Wettest Wettest since: 1930 1998
Apr–May 1931
2-Month
2.69"
(68.33mm)
4.50"
(114.30mm)
-1.81"
(-45.97mm)
6th Driest Driest since: 1924 1924
122nd Wettest Wettest since: 1930 1996
Mar–May 1931
3-Month
7.20"
(182.88mm)
7.76"
(197.10mm)
-0.56"
(-14.22mm)
50th Driest Driest since: 1930 1924
78th Wettest Wettest since: 1928 2011
Ties: 1935
Feb–May 1931
4-Month
9.39"
(238.51mm)
11.37"
(288.80mm)
-1.98"
(-50.29mm)
27th Driest Driest since: 1929 1924
101st Wettest Wettest since: 1930 1904
Jan–May 1931
5-Month
13.02"
(330.71mm)
15.90"
(403.86mm)
-2.88"
(-73.15mm)
22nd Driest Driest since: 1929 1924
106th Wettest Wettest since: 1930 1904
Dec 1930–May 1931
6-Month
14.69"
(373.13mm)
20.54"
(521.72mm)
-5.85"
(-148.59mm)
7th Driest Driest since: 1924 1977
120th Wettest Wettest since: 1930 1997
Nov 1930–May 1931
7-Month
17.26"
(438.40mm)
24.89"
(632.21mm)
-7.63"
(-193.81mm)
5th Driest Driest since: 1924 1977
122nd Wettest Wettest since: 1930 1974
Oct 1930–May 1931
8-Month
19.45"
(494.03mm)
27.45"
(697.23mm)
-8.00"
(-203.20mm)
4th Driest Driest since: 1924 1977
123rd Wettest Wettest since: 1930 1974
Sep 1930–May 1931
9-Month
21.06"
(534.92mm)
28.87"
(733.30mm)
-7.81"
(-198.38mm)
7th Driest Driest since: 1929 1977
120th Wettest Wettest since: 1930 1974
Aug 1930–May 1931
10-Month
21.78"
(553.21mm)
29.68"
(753.87mm)
-7.90"
(-200.66mm)
7th Driest Driest since: 1929 1977
120th Wettest Wettest since: 1930 1974
Jul 1930–May 1931
11-Month
21.99"
(558.55mm)
30.40"
(772.16mm)
-8.41"
(-213.61mm)
5th Driest Driest since: 1929 1977
122nd Wettest Wettest since: 1930 1974
Jun 1930–May 1931
12-Month
23.06"
(585.72mm)
32.13"
(816.10mm)
-9.07"
(-230.38mm)
4th Driest Driest since: 1929 1977
123rd Wettest Wettest since: 1930 1996
Dec 1929–May 1931
18-Month
43.18"
(1,096.77mm)
52.65"
(1,337.31mm)
-9.47"
(-240.54mm)
6th Driest Driest since: 1930 1930
120th Wettest Wettest since: 1928 1997
Jun 1929–May 1931
24-Month
47.88"
(1,216.15mm)
64.28"
(1,632.71mm)
-16.40"
(-416.56mm)
2nd Driest Driest since: 1930 1930
124th Wettest Wettest since: 1929 1997
Jun 1928–May 1931
36-Month
70.60"
(1,793.24mm)
96.36"
(2,447.54mm)
-25.76"
(-654.30mm)
1st Driest Driest to Date 1931
124th Wettest Wettest since: 1930 1998
Jun 1927–May 1931
48-Month
103.91"
(2,639.31mm)
128.40"
(3,261.36mm)
-24.49"
(-622.05mm)
1st Driest Driest to Date 1931
123rd Wettest Wettest since: 1930 1999
Jun 1926–May 1931
60-Month
138.85"
(3,526.79mm)
160.37"
(4,073.40mm)
-21.52"
(-546.61mm)
3rd Driest Driest to Date 1933
120th Wettest Wettest since: 1930 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published June 2021, retrieved on June 25, 2021 from https://www.ncdc.noaa.gov/cag/