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 July 2022. For more information, please see Climatological Rankings.
West Climate Region
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 |
0.34" (8.64mm) | 0.92" (23.37mm) |
-0.58" (-14.73mm) | 12th Driest | Driest since: 2012 | 1924 |
| 117th Wettest | Wettest since: 2020 | 1998 | ||||
| Ties: 1966 | ||||||
|
Apr–May 2021 2-Month |
0.68" (17.27mm) | 2.26" (57.40mm) |
-1.58" (-40.13mm) | 3rd Driest | Driest since: 1985 | 1909 |
| 126th Wettest | Wettest since: 2020 | 1896 | ||||
| Ties: 1924 | ||||||
|
Mar–May 2021 3-Month |
2.07" (52.58mm) | 4.59" (116.59mm) |
-2.52" (-64.01mm) | 6th Driest | Driest since: 2008 | 2008 |
| 123rd Wettest | Wettest since: 2020 | 1995 | ||||
|
Feb–May 2021 4-Month |
3.23" (82.04mm) | 7.31" (185.67mm) |
-4.08" (-103.63mm) | 5th Driest | Driest since: 2013 | 1997 |
| 124th Wettest | Wettest since: 2020 | 1998 | ||||
|
Jan–May 2021 5-Month |
5.77" (146.56mm) | 10.29" (261.37mm) |
-4.52" (-114.81mm) | 15th Driest | Driest since: 2015 | 2022 |
| 114th Wettest | Wettest since: 2020 | 1998 | ||||
|
Dec 2020–May 2021 6-Month |
7.09" (180.09mm) | 12.84" (326.14mm) |
-5.75" (-146.05mm) | 6th Driest | Driest since: 1985 | 1924 |
| 122nd Wettest | Wettest since: 2020 | 1995 | ||||
|
Nov 2020–May 2021 7-Month |
8.09" (205.49mm) | 14.71" (373.63mm) |
-6.62" (-168.14mm) | 4th Driest | Driest since: 1977 | 1977 |
| 124th Wettest | Wettest since: 2020 | 1995 | ||||
|
Oct 2020–May 2021 8-Month |
8.14" (206.76mm) | 15.74" (399.80mm) |
-7.60" (-193.04mm) | 3rd Driest | Driest since: 1977 | 1977 |
| 125th Wettest | Wettest since: 2020 | 1983 | ||||
|
Sep 2020–May 2021 9-Month |
8.19" (208.03mm) | 16.23" (412.24mm) |
-8.04" (-204.21mm) | 1st Driest | Driest to Date | 2021 |
| 127th Wettest | Wettest since: 2020 | 1983 | ||||
|
Aug 2020–May 2021 10-Month |
8.30" (210.82mm) | 16.62" (422.15mm) |
-8.32" (-211.33mm) | 1st Driest | Driest to Date | 2021 |
| 127th Wettest | Wettest since: 2020 | 1983 | ||||
|
Jul 2020–May 2021 11-Month |
8.37" (212.60mm) | 16.95" (430.53mm) |
-8.58" (-217.93mm) | 1st Driest | Driest to Date | 2021 |
| 127th Wettest | Wettest since: 2020 | 1983 | ||||
|
Jun 2020–May 2021 12-Month |
8.69" (220.73mm) | 17.44" (442.98mm) |
-8.75" (-222.25mm) | 1st Driest | Driest to Date | 2021 |
| 127th Wettest | Wettest since: 2020 | 1983 | ||||
|
Dec 2019–May 2021 18-Month |
18.76" (476.50mm) | 30.25" (768.35mm) |
-11.49" (-291.85mm) | 2nd Driest | Driest since: 1977 | 1977 |
| 125th Wettest | Wettest since: 2020 | 1983 | ||||
|
Jun 2019–May 2021 24-Month |
21.42" (544.07mm) | 34.89" (886.21mm) |
-13.47" (-342.14mm) | 2nd Driest | Driest to Date | 2022 |
| 125th Wettest | Wettest since: 2020 | 1983 | ||||
|
Jun 2018–May 2021 36-Month |
43.40" (1,102.36mm) | 52.30" (1,328.42mm) |
-8.90" (-226.06mm) | 21st Driest | Driest since: 2015 | 2022 |
| 105th Wettest | Wettest since: 2020 | 1984 | ||||
|
Jun 2017–May 2021 48-Month |
56.94" (1,446.28mm) | 69.56" (1,766.82mm) |
-12.62" (-320.54mm) | 12th Driest | Driest since: 2015 | 2015 |
| 113th Wettest | Wettest since: 2020 | 1998 | ||||
|
Jun 2016–May 2021 60-Month |
82.39" (2,092.71mm) | 86.83" (2,205.48mm) |
-4.44" (-112.77mm) | 50th Driest | Driest since: 2016 | 1933 |
| 74th Wettest | Wettest since: 2020 | 1999 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published August 2022, retrieved on August 9, 2022 from https://www.ncei.noaa.gov/cag/