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.


Southwest Climate Region

Precipitation Rankings, May 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1978
1-Month
1.54"
(39.12mm)
1.11"
(28.19mm)
0.43"
(10.93mm)
108th Driest Driest since: 1977 1974
21st Wettest Wettest since: 1957 2015
Apr–May 1978
2-Month
2.51"
(63.75mm)
2.17"
(55.12mm)
0.34"
(8.63mm)
97th Driest Driest since: 1977 2002
32nd Wettest Wettest since: 1965 1941
Mar–May 1978
3-Month
4.43"
(112.52mm)
3.33"
(84.58mm)
1.10"
(27.94mm)
115th Driest Driest since: 1977 2002
14th Wettest Wettest since: 1973 1941
Ties: 1981
Feb–May 1978
4-Month
5.92"
(150.37mm)
4.33"
(109.98mm)
1.59"
(40.39mm)
120th Driest Driest since: 1977 2002
9th Wettest Wettest since: 1941 1905
Jan–May 1978
5-Month
7.80"
(198.12mm)
5.31"
(134.87mm)
2.49"
(63.25mm)
121st Driest Driest since: 1977 1972
8th Wettest Wettest since: 1957 1905
Dec 1977–May 1978
6-Month
8.57"
(217.68mm)
6.32"
(160.53mm)
2.25"
(57.15mm)
119th Driest Driest since: 1977 2002
9th Wettest Wettest since: 1941 1905
Nov 1977–May 1978
7-Month
9.28"
(235.71mm)
7.21"
(183.13mm)
2.07"
(52.58mm)
113th Driest Driest since: 1977 2002
15th Wettest Wettest since: 1973 1941
Oct 1977–May 1978
8-Month
10.15"
(257.81mm)
8.34"
(211.84mm)
1.81"
(45.97mm)
106th Driest Driest since: 1977 2002
22nd Wettest Wettest since: 1973 1941
Sep 1977–May 1978
9-Month
11.21"
(284.73mm)
9.71"
(246.63mm)
1.50"
(38.10mm)
103rd Driest Driest since: 1977 2002
25th Wettest Wettest since: 1973 1941
Aug 1977–May 1978
10-Month
13.50"
(342.90mm)
11.72"
(297.69mm)
1.78"
(45.21mm)
102nd Driest Driest since: 1977 2002
26th Wettest Wettest since: 1973 1941
Ties: 1952
Jul 1977–May 1978
11-Month
15.71"
(399.03mm)
13.59"
(345.19mm)
2.12"
(53.84mm)
104th Driest Driest since: 1977 2021
24th Wettest Wettest since: 1973 1941
Jun 1977–May 1978
12-Month
16.35"
(415.29mm)
14.53"
(369.06mm)
1.82"
(46.23mm)
102nd Driest Driest since: 1977 2021
26th Wettest Wettest since: 1973 1905
Dec 1976–May 1978
18-Month
20.65"
(524.51mm)
20.86"
(529.84mm)
-0.21"
(-5.33mm)
70th Driest Driest since: 1977 2021
57th Wettest Wettest since: 1973 1942
Jun 1976–May 1978
24-Month
27.52"
(699.01mm)
29.05"
(737.87mm)
-1.53"
(-38.86mm)
52nd Driest Driest since: 1977 2021
75th Wettest Wettest since: 1974 1942
Ties: 1989
Jun 1975–May 1978
36-Month
40.04"
(1,017.02mm)
43.54"
(1,105.92mm)
-3.50"
(-88.90mm)
33rd Driest Driest since: 1977 2022
93rd Wettest Wettest since: 1975 1907
Jun 1974–May 1978
48-Month
54.63"
(1,387.60mm)
58.01"
(1,473.45mm)
-3.38"
(-85.85mm)
38th Driest Driest since: 1977 1904
87th Wettest Wettest since: 1976 1986
Jun 1973–May 1978
60-Month
65.20"
(1,656.08mm)
72.48"
(1,840.99mm)
-7.28"
(-184.91mm)
15th Driest Driest since: 1958 1957
109th Wettest Wettest since: 1977 1987

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published August 2022, retrieved on August 14, 2022 from https://www.ncei.noaa.gov/cag/