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 October 2019. For more information, please see Climatological Rankings.
Northwest Climate Region
Precipitation Rankings, April 2017
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2019) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
April 2017 1-Month |
3.84" (97.54mm) | 2.36" (59.94mm) |
1.48" (37.60mm) | 118th Driest | Driest since: 2016 | 1977 |
| 8th Wettest | Wettest since: 2011 | 1937 | ||||
|
Mar–Apr 2017 2-Month |
9.82" (249.43mm) | 5.62" (142.75mm) |
4.20" (106.68mm) | 124th Driest | Driest since: 2016 | 1924 |
| 2nd Wettest | Wettest since: 1904 | 1904 | ||||
|
Feb–Apr 2017 3-Month |
15.96" (405.38mm) | 9.23" (234.44mm) |
6.73" (170.94mm) | 124th Driest | Driest since: 2016 | 1911 |
| 2nd Wettest | Wettest since: 1904 | 1904 | ||||
|
Jan–Apr 2017 4-Month |
20.03" (508.76mm) | 13.75" (349.25mm) |
6.28" (159.51mm) | 124th Driest | Driest since: 2016 | 1977 |
| 2nd Wettest | Wettest since: 1904 | 1904 | ||||
|
Dec 2016–Apr 2017 5-Month |
24.66" (626.36mm) | 18.40" (467.36mm) |
6.26" (159.00mm) | 121st Driest | Driest since: 2016 | 1977 |
| 4th Wettest | Wettest since: 1997 | 1997 | ||||
|
Nov 2016–Apr 2017 6-Month |
28.51" (724.15mm) | 22.75" (577.85mm) |
5.76" (146.30mm) | 114th Driest | Driest since: 2016 | 1977 |
| 11th Wettest | Wettest since: 1999 | 1974 | ||||
|
Oct 2016–Apr 2017 7-Month |
35.67" (906.02mm) | 25.31" (642.87mm) |
10.36" (263.15mm) | 122nd Driest | Driest since: 2016 | 1977 |
| 3rd Wettest | Wettest since: 1997 | 1974 | ||||
|
Sep 2016–Apr 2017 8-Month |
36.98" (939.29mm) | 26.73" (678.94mm) |
10.25" (260.35mm) | 122nd Driest | Driest since: 2016 | 1977 |
| 3rd Wettest | Wettest since: 1997 | 1974 | ||||
|
Aug 2016–Apr 2017 9-Month |
37.17" (944.12mm) | 27.53" (699.26mm) |
9.64" (244.86mm) | 122nd Driest | Driest since: 2016 | 1977 |
| 3rd Wettest | Wettest since: 1997 | 1974 | ||||
|
Jul 2016–Apr 2017 10-Month |
37.98" (964.69mm) | 28.26" (717.80mm) |
9.72" (246.89mm) | 122nd Driest | Driest since: 2016 | 1977 |
| 3rd Wettest | Wettest since: 1997 | 1974 | ||||
|
Jun 2016–Apr 2017 11-Month |
39.15" (994.41mm) | 29.99" (761.75mm) |
9.16" (232.66mm) | 121st Driest | Driest since: 2016 | 1977 |
| 4th Wettest | Wettest since: 1997 | 1974 | ||||
|
May 2016–Apr 2017 12-Month |
40.93" (1,039.62mm) | 32.13" (816.10mm) |
8.80" (223.52mm) | 119th Driest | Driest since: 2016 | 1977 |
| 6th Wettest | Wettest since: 1999 | 1997 | ||||
|
Nov 2015–Apr 2017 18-Month |
68.20" (1,732.28mm) | 54.88" (1,393.95mm) |
13.32" (338.33mm) | 120th Driest | Driest since: 2016 | 1930 |
| 4th Wettest | Wettest since: 1997 | 1997 | ||||
|
May 2015–Apr 2017 24-Month |
76.25" (1,936.75mm) | 64.29" (1,632.97mm) |
11.96" (303.78mm) | 118th Driest | Driest since: 2016 | 1930 |
| 6th Wettest | Wettest since: 1998 | 1997 | ||||
|
May 2014–Apr 2017 36-Month |
106.12" (2,695.45mm) | 96.34" (2,447.04mm) |
9.78" (248.41mm) | 110th Driest | Driest since: 2016 | 1931 |
| 13th Wettest | Wettest since: 1999 | 1997 | ||||
|
May 2013–Apr 2017 48-Month |
137.64" (3,496.06mm) | 128.37" (3,260.60mm) |
9.27" (235.46mm) | 107th Driest | Driest since: 2016 | 1932 |
| 15th Wettest | Wettest since: 2000 | 1999 | ||||
|
May 2012–Apr 2017 60-Month |
168.06" (4,268.72mm) | 160.35" (4,072.89mm) |
7.71" (195.83mm) | 95th Driest | Driest since: 2016 | 1933 |
| 26th Wettest | Wettest since: 2001 | 1999 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2019, retrieved on December 7, 2019 from https://www.ncdc.noaa.gov/cag/