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 August 2022. For more information, please see Climatological Rankings.
Southwest 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 |
1.12" (28.45mm) | 1.11" (28.19mm) |
0.01" (0.26mm) | 72nd Driest | Driest since: 2020 | 1974 |
| 57th Wettest | Wettest since: 2019 | 2015 | ||||
| Ties: 1944, 1975 | ||||||
|
Apr–May 2021 2-Month |
1.67" (42.42mm) | 2.17" (55.12mm) |
-0.50" (-12.70mm) | 39th Driest | Driest since: 2020 | 2002 |
| 90th Wettest | Wettest since: 2019 | 1941 | ||||
| Ties: 1902 | ||||||
|
Mar–May 2021 3-Month |
2.76" (70.10mm) | 3.33" (84.58mm) |
-0.57" (-14.48mm) | 36th Driest | Driest since: 2020 | 2002 |
| 93rd Wettest | Wettest since: 2019 | 1941 | ||||
| Ties: 1933, 2003 | ||||||
|
Feb–May 2021 4-Month |
3.40" (86.36mm) | 4.33" (109.98mm) |
-0.93" (-23.62mm) | 33rd Driest | Driest since: 2018 | 2002 |
| 96th Wettest | Wettest since: 2020 | 1905 | ||||
|
Jan–May 2021 5-Month |
4.22" (107.19mm) | 5.31" (134.87mm) |
-1.09" (-27.68mm) | 37th Driest | Driest since: 2020 | 1972 |
| 92nd Wettest | Wettest since: 2019 | 1905 | ||||
| Ties: 1913 | ||||||
|
Dec 2020–May 2021 6-Month |
4.78" (121.41mm) | 6.32" (160.53mm) |
-1.54" (-39.12mm) | 26th Driest | Driest since: 2018 | 2002 |
| 102nd Wettest | Wettest since: 2020 | 1905 | ||||
|
Nov 2020–May 2021 7-Month |
5.28" (134.11mm) | 7.21" (183.13mm) |
-1.93" (-49.02mm) | 23rd Driest | Driest since: 2018 | 2002 |
| 105th Wettest | Wettest since: 2020 | 1941 | ||||
|
Oct 2020–May 2021 8-Month |
5.68" (144.27mm) | 8.34" (211.84mm) |
-2.66" (-67.57mm) | 12th Driest | Driest since: 2018 | 2002 |
| 116th Wettest | Wettest since: 2020 | 1941 | ||||
|
Sep 2020–May 2021 9-Month |
6.23" (158.24mm) | 9.71" (246.63mm) |
-3.48" (-88.39mm) | 4th Driest | Driest since: 2002 | 2002 |
| 124th Wettest | Wettest since: 2020 | 1941 | ||||
|
Aug 2020–May 2021 10-Month |
6.82" (173.23mm) | 11.72" (297.69mm) |
-4.90" (-124.46mm) | 2nd Driest | Driest since: 2002 | 2002 |
| 126th Wettest | Wettest since: 2020 | 1941 | ||||
|
Jul 2020–May 2021 11-Month |
8.18" (207.77mm) | 13.59" (345.19mm) |
-5.41" (-137.42mm) | 1st Driest | Driest since: 2021 | 2021 |
| 127th Wettest | Wettest since: 2020 | 1941 | ||||
|
Jun 2020–May 2021 12-Month |
8.79" (223.27mm) | 14.53" (369.06mm) |
-5.74" (-145.79mm) | 1st Driest | Driest since: 2021 | 2021 |
| 127th Wettest | Wettest since: 2020 | 1905 | ||||
|
Dec 2019–May 2021 18-Month |
14.07" (357.38mm) | 20.86" (529.84mm) |
-6.79" (-172.46mm) | 1st Driest | Driest since: 2021 | 2021 |
| 126th Wettest | Wettest since: 2020 | 1942 | ||||
|
Jun 2019–May 2021 24-Month |
21.02" (533.91mm) | 29.05" (737.87mm) |
-8.03" (-203.96mm) | 1st Driest | Driest since: 2021 | 2021 |
| 126th Wettest | Wettest since: 2020 | 1942 | ||||
|
Jun 2018–May 2021 36-Month |
37.87" (961.90mm) | 43.54" (1,105.92mm) |
-5.67" (-144.02mm) | 14th Driest | Driest since: 2014 | 2022 |
| 112th Wettest | Wettest since: 2020 | 1907 | ||||
|
Jun 2017–May 2021 48-Month |
49.06" (1,246.12mm) | 58.01" (1,473.45mm) |
-8.95" (-227.33mm) | 7th Driest | Driest since: 2004 | 1904 |
| 118th Wettest | Wettest since: 2020 | 1986 | ||||
|
Jun 2016–May 2021 60-Month |
64.51" (1,638.55mm) | 72.48" (1,840.99mm) |
-7.97" (-202.44mm) | 12th Driest | Driest since: 2013 | 1957 |
| 112th Wettest | Wettest since: 2020 | 1987 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, Precipitation, published September 2022, retrieved on September 25, 2022 from https://www.ncdc.noaa.gov/cag/