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 June 2021. For more information, please see Climatological Rankings.


Arizona

Precipitation Rankings, April 1978

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
April 1978
1-Month
0.56"
(14.22mm)
0.57"
(14.48mm)
-0.01"
(-0.26mm)
81st Driest Driest since: 1977 1989, 1991
47th Wettest Wettest since: 1976 1926
Ties: 1923
Mar–Apr 1978
2-Month
3.41"
(86.61mm)
1.69"
(42.93mm)
1.72"
(43.68mm)
120th Driest Driest since: 1977 2008
8th Wettest Wettest since: 1973 1905
Feb–Apr 1978
3-Month
5.72"
(145.29mm)
2.83"
(71.88mm)
2.89"
(73.41mm)
125th Driest Driest since: 1977 1972
3rd Wettest Wettest since: 1941 1905
Jan–Apr 1978
4-Month
8.64"
(219.46mm)
3.98"
(101.09mm)
4.66"
(118.37mm)
124th Driest Driest since: 1977 1972
4th Wettest Wettest since: 1941 1905
Dec 1977–Apr 1978
5-Month
9.52"
(241.81mm)
5.16"
(131.06mm)
4.36"
(110.75mm)
122nd Driest Driest since: 1977 1904
5th Wettest Wettest since: 1941 1905
Nov 1977–Apr 1978
6-Month
9.87"
(250.70mm)
6.01"
(152.65mm)
3.86"
(98.05mm)
118th Driest Driest since: 1977 1904
9th Wettest Wettest since: 1941 1905
Oct 1977–Apr 1978
7-Month
11.08"
(281.43mm)
6.89"
(175.01mm)
4.19"
(106.42mm)
119th Driest Driest since: 1977 1904
8th Wettest Wettest since: 1973 1941
Sep 1977–Apr 1978
8-Month
12.40"
(314.96mm)
8.08"
(205.23mm)
4.32"
(109.73mm)
118th Driest Driest since: 1977 2002
9th Wettest Wettest since: 1973 1941
Aug 1977–Apr 1978
9-Month
14.37"
(365.00mm)
10.16"
(258.06mm)
4.21"
(106.94mm)
115th Driest Driest since: 1977 2021
12th Wettest Wettest since: 1973 1941
Jul 1977–Apr 1978
10-Month
16.16"
(410.46mm)
11.97"
(304.04mm)
4.19"
(106.42mm)
115th Driest Driest since: 1977 2021
12th Wettest Wettest since: 1973 1941
Jun 1977–Apr 1978
11-Month
16.50"
(419.10mm)
12.25"
(311.15mm)
4.25"
(107.95mm)
116th Driest Driest since: 1977 2021
11th Wettest Wettest since: 1973 1941
May 1977–Apr 1978
12-Month
16.91"
(429.51mm)
12.59"
(319.79mm)
4.32"
(109.72mm)
116th Driest Driest since: 1977 2021
11th Wettest Wettest since: 1973 1941
Nov 1976–Apr 1978
18-Month
19.97"
(507.24mm)
18.61"
(472.69mm)
1.36"
(34.55mm)
91st Driest Driest since: 1977 1903
35th Wettest Wettest since: 1973 1993
May 1976–Apr 1978
24-Month
27.24"
(691.90mm)
25.16"
(639.06mm)
2.08"
(52.84mm)
95th Driest Driest since: 1977 1904
31st Wettest Wettest since: 1973 1906
May 1975–Apr 1978
36-Month
37.46"
(951.48mm)
37.71"
(957.83mm)
-0.25"
(-6.35mm)
75th Driest Driest since: 1977 1904
50th Wettest Wettest since: 1970 1907
Ties: 1954
May 1974–Apr 1978
48-Month
49.16"
(1,248.66mm)
50.22"
(1,275.59mm)
-1.06"
(-26.93mm)
66th Driest Driest since: 1977 1904
58th Wettest Wettest since: 1973 1908
May 1973–Apr 1978
60-Month
56.66"
(1,439.16mm)
62.77"
(1,594.36mm)
-6.11"
(-155.20mm)
35th Driest Driest since: 1975 1904
88th Wettest Wettest since: 1977 1909

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2021, retrieved on July 25, 2021 from https://www.ncdc.noaa.gov/cag/