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 August 2022. For more information, please see Climatological Rankings.
Washington
Precipitation Rankings, May 2020
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
May 2020 1-Month |
3.52" (89.41mm) | 2.25" (57.15mm) |
1.27" (32.26mm) | 116th Driest | Driest since: 2019 | 1924 |
| 13th Wettest | Wettest since: 2011 | 1948 | ||||
|
Apr–May 2020 2-Month |
4.89" (124.21mm) | 5.08" (129.03mm) |
-0.19" (-4.82mm) | 58th Driest | Driest since: 2016 | 1924 |
| 71st Wettest | Wettest since: 2019 | 1948 | ||||
|
Mar–May 2020 3-Month |
7.72" (196.09mm) | 9.23" (234.44mm) |
-1.51" (-38.35mm) | 31st Driest | Driest since: 2019 | 1924 |
| 98th Wettest | Wettest since: 2018 | 2011 | ||||
|
Feb–May 2020 4-Month |
12.64" (321.06mm) | 13.96" (354.58mm) |
-1.32" (-33.52mm) | 44th Driest | Driest since: 2019 | 1973 |
| 85th Wettest | Wettest since: 2018 | 2017 | ||||
|
Jan–May 2020 5-Month |
23.16" (588.26mm) | 20.03" (508.76mm) |
3.13" (79.50mm) | 101st Driest | Driest since: 2019 | 1985 |
| 28th Wettest | Wettest since: 2017 | 1961 | ||||
| Ties: 2003 | ||||||
|
Dec 2019–May 2020 6-Month |
28.74" (730.00mm) | 26.54" (674.12mm) |
2.20" (55.88mm) | 88th Driest | Driest since: 2019 | 1985 |
| 40th Wettest | Wettest since: 2017 | 1997 | ||||
|
Nov 2019–May 2020 7-Month |
30.59" (776.99mm) | 32.67" (829.82mm) |
-2.08" (-52.83mm) | 45th Driest | Driest since: 2019 | 1977 |
| 83rd Wettest | Wettest since: 2018 | 1974 | ||||
|
Oct 2019–May 2020 8-Month |
34.38" (873.25mm) | 36.36" (923.54mm) |
-1.98" (-50.29mm) | 46th Driest | Driest since: 2019 | 1977 |
| 82nd Wettest | Wettest since: 2018 | 1974 | ||||
|
Sep 2019–May 2020 9-Month |
38.00" (965.20mm) | 38.32" (973.33mm) |
-0.32" (-8.13mm) | 63rd Driest | Driest since: 2019 | 1977 |
| 65th Wettest | Wettest since: 2018 | 1974 | ||||
|
Aug 2019–May 2020 10-Month |
38.94" (989.08mm) | 39.35" (999.49mm) |
-0.41" (-10.41mm) | 58th Driest | Driest since: 2019 | 1977 |
| 70th Wettest | Wettest since: 2018 | 1974 | ||||
|
Jul 2019–May 2020 11-Month |
39.85" (1,012.19mm) | 40.24" (1,022.10mm) |
-0.39" (-9.91mm) | 61st Driest | Driest since: 2019 | 1977 |
| 67th Wettest | Wettest since: 2018 | 1974 | ||||
|
Jun 2019–May 2020 12-Month |
40.90" (1,038.86mm) | 42.13" (1,070.10mm) |
-1.23" (-31.24mm) | 52nd Driest | Driest since: 2019 | 1977 |
| 76th Wettest | Wettest since: 2018 | 1974 | ||||
|
Dec 2018–May 2020 18-Month |
63.25" (1,606.55mm) | 68.67" (1,744.22mm) |
-5.42" (-137.67mm) | 32nd Driest | Driest since: 2019 | 1930 |
| 95th Wettest | Wettest since: 2018 | 1997 | ||||
|
Jun 2018–May 2020 24-Month |
75.58" (1,919.73mm) | 84.30" (2,141.22mm) |
-8.72" (-221.49mm) | 20th Driest | Driest since: 2005 | 1930 |
| 107th Wettest | Wettest since: 2019 | 1997 | ||||
|
Jun 2017–May 2020 36-Month |
119.64" (3,038.86mm) | 126.40" (3,210.56mm) |
-6.76" (-171.70mm) | 35th Driest | Driest since: 2005 | 1931 |
| 91st Wettest | Wettest since: 2019 | 1998 | ||||
|
Jun 2016–May 2020 48-Month |
173.39" (4,404.11mm) | 168.49" (4,279.65mm) |
4.90" (124.46mm) | 75th Driest | Driest since: 2015 | 1931 |
| 50th Wettest | Wettest since: 2019 | 1999 | ||||
|
Jun 2015–May 2020 60-Month |
221.76" (5,632.70mm) | 210.48" (5,346.19mm) |
11.28" (286.51mm) | 90th Driest | Driest since: 2016 | 1930 |
| 34th Wettest | Wettest since: 2019 | 1999 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 28, 2022 from https://www.ncdc.noaa.gov/cag/