Climate at a Glance

Statewide 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 October 2019. For more information, please see Climatological Rankings.


Oregon

Precipitation Rankings, May 1940

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1940
1-Month
1.11"
(28.19mm)
2.08"
(52.83mm)
-0.97"
(-24.64mm)
18th Driest Driest since: 1938 1924
108th Wettest Wettest since: 1939 1998
Ties: 1919
Apr–May 1940
2-Month
3.54"
(89.92mm)
4.47"
(113.54mm)
-0.93"
(-23.62mm)
30th Driest Driest since: 1939 1924
96th Wettest Wettest since: 1937 1896
Ties: 1928
Mar–May 1940
3-Month
8.19"
(208.03mm)
7.91"
(200.91mm)
0.28"
(7.12mm)
73rd Driest Driest since: 1939 1924
53rd Wettest Wettest since: 1938 2011
Feb–May 1940
4-Month
16.07"
(408.18mm)
11.73"
(297.94mm)
4.34"
(110.24mm)
115th Driest Driest since: 1939 1924
11th Wettest Wettest since: 1904 1904
Jan–May 1940
5-Month
19.85"
(504.19mm)
16.50"
(419.10mm)
3.35"
(85.09mm)
107th Driest Driest since: 1939 1924
19th Wettest Wettest since: 1916 1904
Dec 1939–May 1940
6-Month
26.36"
(669.54mm)
21.34"
(542.04mm)
5.02"
(127.50mm)
109th Driest Driest since: 1939 1977
16th Wettest Wettest since: 1916 1996
Nov 1939–May 1940
7-Month
26.87"
(682.50mm)
25.89"
(657.61mm)
0.98"
(24.89mm)
77th Driest Driest since: 1939 1977
48th Wettest Wettest since: 1938 1974
Oct 1939–May 1940
8-Month
29.17"
(740.92mm)
28.35"
(720.09mm)
0.82"
(20.83mm)
78th Driest Driest since: 1939 1977
47th Wettest Wettest since: 1938 1974
Ties: 1957
Sep 1939–May 1940
9-Month
29.88"
(758.95mm)
29.59"
(751.59mm)
0.29"
(7.36mm)
72nd Driest Driest since: 1939 1977
53rd Wettest Wettest since: 1938 1974
Aug 1939–May 1940
10-Month
30.26"
(768.60mm)
30.20"
(767.08mm)
0.06"
(1.52mm)
69th Driest Driest since: 1939 1977
56th Wettest Wettest since: 1938 1974
Jul 1939–May 1940
11-Month
30.80"
(782.32mm)
30.72"
(780.29mm)
0.08"
(2.03mm)
68th Driest Driest since: 1939 1977
57th Wettest Wettest since: 1938 1974
Jun 1939–May 1940
12-Month
31.96"
(811.78mm)
32.27"
(819.66mm)
-0.31"
(-7.88mm)
65th Driest Driest since: 1939 1977
60th Wettest Wettest since: 1938 1996
Dec 1938–May 1940
18-Month
46.73"
(1,186.94mm)
53.59"
(1,361.19mm)
-6.86"
(-174.25mm)
16th Driest Driest since: 1931 1977
108th Wettest Wettest since: 1939 1997
Jun 1938–May 1940
24-Month
55.72"
(1,415.29mm)
64.57"
(1,640.08mm)
-8.85"
(-224.79mm)
13th Driest Driest since: 1937 1931
111th Wettest Wettest since: 1939 1997
Jun 1937–May 1940
36-Month
97.13"
(2,467.10mm)
96.79"
(2,458.47mm)
0.34"
(8.63mm)
65th Driest Driest since: 1939 1931
58th Wettest Wettest since: 1923 1998
Jun 1936–May 1940
48-Month
123.82"
(3,145.03mm)
128.93"
(3,274.82mm)
-5.11"
(-129.79mm)
39th Driest Driest since: 1939 1931
83rd Wettest Wettest since: 1938 1999
Jun 1935–May 1940
60-Month
152.34"
(3,869.44mm)
161.00"
(4,089.40mm)
-8.66"
(-219.96mm)
29th Driest Driest since: 1939 1933
92nd Wettest Wettest since: 1938 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 8, 2019 from https://www.ncdc.noaa.gov/cag/