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 2019. 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
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1978
1-Month
1.54"
(39.12mm)
1.11"
(28.19mm)
0.43"
(10.93mm)
105th 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)
94th 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)
112th 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)
117th 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)
118th 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)
116th 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)
110th 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)
103rd 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)
100th 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)
99th 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)
101st Driest Driest since: 1977 2002
24th Wettest Wettest since: 1973 1941
Jun 1977–May 1978
12-Month
16.35"
(415.29mm)
14.53"
(369.06mm)
1.82"
(46.23mm)
99th Driest Driest since: 1977 2002
26th Wettest Wettest since: 1973 1905
Dec 1976–May 1978
18-Month
20.65"
(524.51mm)
20.86"
(529.84mm)
-0.21"
(-5.33mm)
67th Driest Driest since: 1977 2013
57th Wettest Wettest since: 1973 1942
Jun 1976–May 1978
24-Month
27.52"
(699.01mm)
29.05"
(737.87mm)
-1.53"
(-38.86mm)
50th Driest Driest since: 1977 2003
74th 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)
31st Driest Driest since: 1977 1904
92nd 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)
36th Driest Driest since: 1977 1904
86th 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)
13th Driest Driest since: 1958 1957
108th Wettest Wettest since: 1977 1987

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2019, retrieved on September 23, 2019 from https://www.ncdc.noaa.gov/cag/