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 January 2021. For more information, please see Climatological Rankings.
West Climate Region
Precipitation Rankings, May 2020
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
May 2020 1-Month |
0.96" (24.38mm) | 0.92" (23.37mm) |
0.04" (1.01mm) | 78th Driest | Driest since: 2017 | 1924 |
| 49th Wettest | Wettest since: 2019 | 1998 | ||||
| Ties: 1901 | ||||||
|
Apr–May 2020 2-Month |
2.40" (60.96mm) | 2.26" (57.40mm) |
0.14" (3.56mm) | 78th Driest | Driest since: 2015 | 1909 |
| 49th Wettest | Wettest since: 2019 | 1896 | ||||
|
Mar–May 2020 3-Month |
4.80" (121.92mm) | 4.59" (116.59mm) |
0.21" (5.33mm) | 74th Driest | Driest since: 2017 | 2008 |
| 53rd Wettest | Wettest since: 2019 | 1995 | ||||
| Ties: 1930 | ||||||
|
Feb–May 2020 4-Month |
5.08" (129.03mm) | 7.31" (185.67mm) |
-2.23" (-56.64mm) | 27th Driest | Driest since: 2015 | 1997 |
| 100th Wettest | Wettest since: 2019 | 1998 | ||||
|
Jan–May 2020 5-Month |
6.58" (167.13mm) | 10.29" (261.37mm) |
-3.71" (-94.24mm) | 19th Driest | Driest since: 2015 | 2013 |
| 108th Wettest | Wettest since: 2019 | 1998 | ||||
| Ties: 1898 | ||||||
|
Dec 2019–May 2020 6-Month |
10.05" (255.27mm) | 12.84" (326.14mm) |
-2.79" (-70.87mm) | 33rd Driest | Driest since: 2018 | 1924 |
| 93rd Wettest | Wettest since: 2019 | 1995 | ||||
|
Nov 2019–May 2020 7-Month |
11.40" (289.56mm) | 14.71" (373.63mm) |
-3.31" (-84.07mm) | 30th Driest | Driest since: 2015 | 1977 |
| 96th Wettest | Wettest since: 2019 | 1995 | ||||
|
Oct 2019–May 2020 8-Month |
11.54" (293.12mm) | 15.74" (399.80mm) |
-4.20" (-106.68mm) | 20th Driest | Driest since: 2014 | 1977 |
| 106th Wettest | Wettest since: 2019 | 1983 | ||||
| Ties: 1955 | ||||||
|
Sep 2019–May 2020 9-Month |
12.22" (310.39mm) | 16.23" (412.24mm) |
-4.01" (-101.85mm) | 23rd Driest | Driest since: 2014 | 1924 |
| 103rd Wettest | Wettest since: 2019 | 1983 | ||||
|
Aug 2019–May 2020 10-Month |
12.37" (314.20mm) | 16.62" (422.15mm) |
-4.25" (-107.95mm) | 17th Driest | Driest since: 2014 | 1924 |
| 109th Wettest | Wettest since: 2019 | 1983 | ||||
|
Jul 2019–May 2020 11-Month |
12.53" (318.26mm) | 16.95" (430.53mm) |
-4.42" (-112.27mm) | 16th Driest | Driest since: 2014 | 1924 |
| 110th Wettest | Wettest since: 2019 | 1983 | ||||
|
Jun 2019–May 2020 12-Month |
12.71" (322.83mm) | 17.44" (442.98mm) |
-4.73" (-120.15mm) | 12th Driest | Driest since: 2014 | 1924 |
| 114th Wettest | Wettest since: 2019 | 1983 | ||||
|
Dec 2018–May 2020 18-Month |
31.17" (791.72mm) | 30.25" (768.35mm) |
0.92" (23.37mm) | 78th Driest | Driest since: 2016 | 1977 |
| 47th Wettest | Wettest since: 2019 | 1983 | ||||
|
Jun 2018–May 2020 24-Month |
34.69" (881.13mm) | 34.89" (886.21mm) |
-0.20" (-5.08mm) | 65th Driest | Driest since: 2016 | 1977 |
| 60th Wettest | Wettest since: 2019 | 1983 | ||||
|
Jun 2017–May 2020 36-Month |
48.23" (1,225.04mm) | 52.30" (1,328.42mm) |
-4.07" (-103.38mm) | 43rd Driest | Driest since: 2016 | 2014 |
| 81st Wettest | Wettest since: 2019 | 1984 | ||||
|
Jun 2016–May 2020 48-Month |
73.68" (1,871.47mm) | 69.56" (1,766.82mm) |
4.12" (104.65mm) | 90th Driest | Driest since: 2018 | 2015 |
| 33rd Wettest | Wettest since: 2019 | 1998 | ||||
|
Jun 2015–May 2020 60-Month |
92.80" (2,357.12mm) | 86.83" (2,205.48mm) |
5.97" (151.64mm) | 93rd Driest | Driest since: 2018 | 1933 |
| 29th Wettest | Wettest since: 2019 | 1999 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published February 2021, retrieved on March 3, 2021 from https://www.ncdc.noaa.gov/cag/