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 2021
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
May 2021 1-Month |
1.24" (31.50mm) | 2.25" (57.15mm) |
-1.01" (-25.65mm) | 14th Driest | Driest since: 2018 | 1924 |
| 115th Wettest | Wettest since: 2020 | 1948 | ||||
|
Apr–May 2021 2-Month |
2.22" (56.39mm) | 5.08" (129.03mm) |
-2.86" (-72.64mm) | 4th Driest | Driest since: 1956 | 1924 |
| 125th Wettest | Wettest since: 2020 | 1948 | ||||
|
Mar–May 2021 3-Month |
4.67" (118.62mm) | 9.23" (234.44mm) |
-4.56" (-115.82mm) | 2nd Driest | Driest since: 1924 | 1924 |
| 127th Wettest | Wettest since: 2020 | 2011 | ||||
|
Feb–May 2021 4-Month |
10.37" (263.40mm) | 13.96" (354.58mm) |
-3.59" (-91.18mm) | 13th Driest | Driest since: 1992 | 1973 |
| 116th Wettest | Wettest since: 2020 | 2017 | ||||
|
Jan–May 2021 5-Month |
17.76" (451.10mm) | 20.03" (508.76mm) |
-2.27" (-57.66mm) | 39th Driest | Driest since: 2019 | 1985 |
| 90th Wettest | Wettest since: 2020 | 1961 | ||||
|
Dec 2020–May 2021 6-Month |
23.82" (605.03mm) | 26.54" (674.12mm) |
-2.72" (-69.09mm) | 39th Driest | Driest since: 2019 | 1985 |
| 89th Wettest | Wettest since: 2020 | 1997 | ||||
|
Nov 2020–May 2021 7-Month |
30.22" (767.59mm) | 32.67" (829.82mm) |
-2.45" (-62.23mm) | 42nd Driest | Driest since: 2019 | 1977 |
| 86th Wettest | Wettest since: 2020 | 1974 | ||||
|
Oct 2020–May 2021 8-Month |
34.21" (868.93mm) | 36.36" (923.54mm) |
-2.15" (-54.61mm) | 44th Driest | Driest since: 2019 | 1977 |
| 84th Wettest | Wettest since: 2020 | 1974 | ||||
|
Sep 2020–May 2021 9-Month |
36.63" (930.40mm) | 38.32" (973.33mm) |
-1.69" (-42.93mm) | 47th Driest | Driest since: 2019 | 1977 |
| 81st Wettest | Wettest since: 2020 | 1974 | ||||
|
Aug 2020–May 2021 10-Month |
37.08" (941.83mm) | 39.35" (999.49mm) |
-2.27" (-57.66mm) | 45th Driest | Driest since: 2019 | 1977 |
| 83rd Wettest | Wettest since: 2020 | 1974 | ||||
|
Jul 2020–May 2021 11-Month |
37.46" (951.48mm) | 40.24" (1,022.10mm) |
-2.78" (-70.62mm) | 42nd Driest | Driest since: 2019 | 1977 |
| 86th Wettest | Wettest since: 2020 | 1974 | ||||
|
Jun 2020–May 2021 12-Month |
39.85" (1,012.19mm) | 42.13" (1,070.10mm) |
-2.28" (-57.91mm) | 43rd Driest | Driest since: 2019 | 1977 |
| 85th Wettest | Wettest since: 2020 | 1974 | ||||
|
Dec 2019–May 2021 18-Month |
68.59" (1,742.19mm) | 68.67" (1,744.22mm) |
-0.08" (-2.03mm) | 61st Driest | Driest since: 2020 | 1930 |
| 66th Wettest | Wettest since: 2018 | 1997 | ||||
|
Jun 2019–May 2021 24-Month |
80.75" (2,051.05mm) | 84.30" (2,141.22mm) |
-3.55" (-90.17mm) | 46th Driest | Driest since: 2020 | 1930 |
| 81st Wettest | Wettest since: 2018 | 1997 | ||||
|
Jun 2018–May 2021 36-Month |
115.43" (2,931.92mm) | 126.40" (3,210.56mm) |
-10.97" (-278.64mm) | 20th Driest | Driest since: 2005 | 1931 |
| 106th Wettest | Wettest since: 2020 | 1998 | ||||
|
Jun 2017–May 2021 48-Month |
159.49" (4,051.05mm) | 168.49" (4,279.65mm) |
-9.00" (-228.60mm) | 32nd Driest | Driest since: 2006 | 1931 |
| 93rd Wettest | Wettest since: 2020 | 1999 | ||||
|
Jun 2016–May 2021 60-Month |
213.24" (5,416.30mm) | 210.48" (5,346.19mm) |
2.76" (70.11mm) | 66th Driest | Driest since: 2010 | 1930 |
| 58th Wettest | Wettest since: 2020 | 1999 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on October 4, 2022 from https://www.ncdc.noaa.gov/cag/