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.


West Climate Region

Precipitation Rankings, May 1981

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1981
1-Month
1.27"
(32.26mm)
0.92"
(23.37mm)
0.35"
(8.89mm)
97th Driest Driest since: 1979 1924
32nd Wettest Wettest since: 1980 1998
Apr–May 1981
2-Month
2.15"
(54.61mm)
2.26"
(57.40mm)
-0.11"
(-2.79mm)
65th Driest Driest since: 1979 1909
64th Wettest Wettest since: 1980 1896
Mar–May 1981
3-Month
5.27"
(133.86mm)
4.59"
(116.59mm)
0.68"
(17.27mm)
93rd Driest Driest since: 1980 2008
36th Wettest Wettest since: 1978 1995
Feb–May 1981
4-Month
6.69"
(169.93mm)
7.31"
(185.67mm)
-0.62"
(-15.74mm)
63rd Driest Driest since: 1977 1997
66th Wettest Wettest since: 1980 1998
Jan–May 1981
5-Month
9.60"
(243.84mm)
10.29"
(261.37mm)
-0.69"
(-17.53mm)
65th Driest Driest since: 1977 2022
64th Wettest Wettest since: 1980 1998
Dec 1980–May 1981
6-Month
11.31"
(287.27mm)
12.84"
(326.14mm)
-1.53"
(-38.87mm)
56th Driest Driest since: 1977 1924
72nd Wettest Wettest since: 1980 1995
Nov 1980–May 1981
7-Month
11.95"
(303.53mm)
14.71"
(373.63mm)
-2.76"
(-70.10mm)
42nd Driest Driest since: 1977 1977
86th Wettest Wettest since: 1980 1995
Oct 1980–May 1981
8-Month
12.41"
(315.21mm)
15.74"
(399.80mm)
-3.33"
(-84.59mm)
37th Driest Driest since: 1977 1977
91st Wettest Wettest since: 1980 1983
Sep 1980–May 1981
9-Month
13.00"
(330.20mm)
16.23"
(412.24mm)
-3.23"
(-82.04mm)
40th Driest Driest since: 1977 2021
88th Wettest Wettest since: 1980 1983
Aug 1980–May 1981
10-Month
13.11"
(332.99mm)
16.62"
(422.15mm)
-3.51"
(-89.16mm)
36th Driest Driest since: 1977 2021
92nd Wettest Wettest since: 1980 1983
Jul 1980–May 1981
11-Month
13.55"
(344.17mm)
16.95"
(430.53mm)
-3.40"
(-86.36mm)
35th Driest Driest since: 1977 2021
93rd Wettest Wettest since: 1980 1983
Jun 1980–May 1981
12-Month
13.99"
(355.35mm)
17.44"
(442.98mm)
-3.45"
(-87.63mm)
36th Driest Driest since: 1977 2021
92nd Wettest Wettest since: 1980 1983
Dec 1979–May 1981
18-Month
31.18"
(791.97mm)
30.25"
(768.35mm)
0.93"
(23.62mm)
80th Driest Driest since: 1977 1977
47th Wettest Wettest since: 1980 1983
Jun 1979–May 1981
24-Month
36.42"
(925.07mm)
34.89"
(886.21mm)
1.53"
(38.86mm)
84th Driest Driest since: 1977 2022
43rd Wettest Wettest since: 1980 1983
Jun 1978–May 1981
36-Month
52.96"
(1,345.18mm)
52.30"
(1,328.42mm)
0.66"
(16.76mm)
75th Driest Driest since: 1978 2022
51st Wettest Wettest since: 1980 1984
Jun 1977–May 1981
48-Month
79.01"
(2,006.85mm)
69.56"
(1,766.82mm)
9.45"
(240.03mm)
107th Driest Driest since: 1980 2015
18th Wettest Wettest since: 1944 1998
Jun 1976–May 1981
60-Month
89.59"
(2,275.59mm)
86.83"
(2,205.48mm)
2.76"
(70.11mm)
82nd Driest Driest since: 1980 1933
42nd Wettest Wettest since: 1973 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, Precipitation, published September 2022, retrieved on October 4, 2022 from https://www.ncdc.noaa.gov/cag/