Climate at a Glance

Statewide 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 September 2019. For more information, please see Climatological Rankings.


Arizona

Precipitation Rankings, May 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1978
1-Month
0.51"
(12.95mm)
0.34"
(8.64mm)
0.17"
(4.31mm)
99th Driest Driest since: 1977 1942, 1963, 2002, 2004
27th Wettest Wettest since: 1976 1992
Ties: 1944
Apr–May 1978
2-Month
1.07"
(27.18mm)
0.91"
(23.11mm)
0.16"
(4.07mm)
89th Driest Driest since: 1977 1991
37th Wettest Wettest since: 1976 1926
Ties: 1935
Mar–May 1978
3-Month
3.92"
(99.57mm)
2.02"
(51.31mm)
1.90"
(48.26mm)
118th Driest Driest since: 1977 1972
8th Wettest Wettest since: 1973 1905
Feb–May 1978
4-Month
6.23"
(158.24mm)
3.17"
(80.52mm)
3.06"
(77.72mm)
122nd Driest Driest since: 1977 1972
4th Wettest Wettest since: 1941 1905
Jan–May 1978
5-Month
9.15"
(232.41mm)
4.31"
(109.47mm)
4.84"
(122.94mm)
122nd Driest Driest since: 1977 1972
4th Wettest Wettest since: 1941 1905
Dec 1977–May 1978
6-Month
10.03"
(254.76mm)
5.50"
(139.70mm)
4.53"
(115.06mm)
118th Driest Driest since: 1977 2002
7th Wettest Wettest since: 1941 1905
Nov 1977–May 1978
7-Month
10.38"
(263.65mm)
6.35"
(161.29mm)
4.03"
(102.36mm)
115th Driest Driest since: 1977 1904
10th Wettest Wettest since: 1941 1941
Oct 1977–May 1978
8-Month
11.59"
(294.39mm)
7.22"
(183.39mm)
4.37"
(111.00mm)
116th Driest Driest since: 1977 1904
9th Wettest Wettest since: 1973 1941
Sep 1977–May 1978
9-Month
12.91"
(327.91mm)
8.41"
(213.61mm)
4.50"
(114.30mm)
115th Driest Driest since: 1977 2002
10th Wettest Wettest since: 1973 1941
Aug 1977–May 1978
10-Month
14.88"
(377.95mm)
10.50"
(266.70mm)
4.38"
(111.25mm)
114th Driest Driest since: 1977 2018
11th Wettest Wettest since: 1973 1941
Jul 1977–May 1978
11-Month
16.67"
(423.42mm)
12.30"
(312.42mm)
4.37"
(111.00mm)
114th Driest Driest since: 1977 1904
11th Wettest Wettest since: 1973 1941
Jun 1977–May 1978
12-Month
17.01"
(432.05mm)
12.59"
(319.79mm)
4.42"
(112.26mm)
115th Driest Driest since: 1977 2002
10th Wettest Wettest since: 1973 1941
Dec 1976–May 1978
18-Month
20.12"
(511.05mm)
18.09"
(459.49mm)
2.03"
(51.56mm)
96th Driest Driest since: 1977 1904
28th Wettest Wettest since: 1973 1993
Jun 1976–May 1978
24-Month
26.88"
(682.75mm)
25.16"
(639.06mm)
1.72"
(43.69mm)
89th Driest Driest since: 1977 1904
35th Wettest Wettest since: 1973 1993
Jun 1975–May 1978
36-Month
37.81"
(960.37mm)
37.71"
(957.83mm)
0.10"
(2.54mm)
74th Driest Driest since: 1977 1904
49th Wettest Wettest since: 1973 1907
Jun 1974–May 1978
48-Month
49.65"
(1,261.11mm)
50.21"
(1,275.33mm)
-0.56"
(-14.22mm)
70th Driest Driest since: 1977 1904
52nd Wettest Wettest since: 1969 1908
Jun 1973–May 1978
60-Month
56.52"
(1,435.61mm)
62.76"
(1,594.10mm)
-6.24"
(-158.49mm)
33rd Driest Driest since: 1974 1904
88th Wettest Wettest since: 1977 1909

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/