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.


Southwest Climate Region

Precipitation Rankings, April 1978

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
April 1978
1-Month
0.97"
(24.64mm)
1.06"
(26.92mm)
-0.09"
(-2.28mm)
63rd Driest Driest since: 1974 1989
66th Wettest Wettest since: 1977 1900
Mar–Apr 1978
2-Month
2.89"
(73.41mm)
2.21"
(56.13mm)
0.68"
(17.28mm)
108th Driest Driest since: 1977 1972
21st Wettest Wettest since: 1973 1905
Feb–Apr 1978
3-Month
4.38"
(111.25mm)
3.21"
(81.53mm)
1.17"
(29.72mm)
117th Driest Driest since: 1977 1972
12th Wettest Wettest since: 1973 1905
Jan–Apr 1978
4-Month
6.26"
(159.00mm)
4.20"
(106.68mm)
2.06"
(52.32mm)
122nd Driest Driest since: 1977 1972
7th Wettest Wettest since: 1941 1905
Dec 1977–Apr 1978
5-Month
7.03"
(178.56mm)
5.21"
(132.33mm)
1.82"
(46.23mm)
116th Driest Driest since: 1977 2002
12th Wettest Wettest since: 1952 1905
Nov 1977–Apr 1978
6-Month
7.74"
(196.60mm)
6.10"
(154.94mm)
1.64"
(41.66mm)
109th Driest Driest since: 1977 1904
19th Wettest Wettest since: 1973 1941
Oct 1977–Apr 1978
7-Month
8.61"
(218.69mm)
7.23"
(183.64mm)
1.38"
(35.05mm)
105th Driest Driest since: 1977 1904
23rd Wettest Wettest since: 1973 1941
Sep 1977–Apr 1978
8-Month
9.67"
(245.62mm)
8.60"
(218.44mm)
1.07"
(27.18mm)
96th Driest Driest since: 1977 2002
32nd Wettest Wettest since: 1973 1941
Ties: 1914
Aug 1977–Apr 1978
9-Month
11.96"
(303.78mm)
10.61"
(269.49mm)
1.35"
(34.29mm)
99th Driest Driest since: 1977 2021
29th Wettest Wettest since: 1973 1905
Jul 1977–Apr 1978
10-Month
14.17"
(359.92mm)
12.48"
(316.99mm)
1.69"
(42.93mm)
103rd Driest Driest since: 1977 2021
25th Wettest Wettest since: 1973 1905
Jun 1977–Apr 1978
11-Month
14.81"
(376.17mm)
13.41"
(340.61mm)
1.40"
(35.56mm)
97th Driest Driest since: 1977 2021
31st Wettest Wettest since: 1973 1905
May 1977–Apr 1978
12-Month
16.03"
(407.16mm)
14.53"
(369.06mm)
1.50"
(38.10mm)
99th Driest Driest since: 1977 2021
29th Wettest Wettest since: 1973 1942
Nov 1976–Apr 1978
18-Month
19.48"
(494.79mm)
20.64"
(524.26mm)
-1.16"
(-29.47mm)
49th Driest Driest since: 1977 2021
78th Wettest Wettest since: 1974 1942
Ties: 1959
May 1976–Apr 1978
24-Month
27.24"
(691.90mm)
29.05"
(737.87mm)
-1.81"
(-45.97mm)
44th Driest Driest since: 1977 2022
83rd Wettest Wettest since: 1974 1942
May 1975–Apr 1978
36-Month
39.62"
(1,006.35mm)
43.55"
(1,106.17mm)
-3.93"
(-99.82mm)
28th Driest Driest since: 1977 1904
98th Wettest Wettest since: 1975 1907
May 1974–Apr 1978
48-Month
53.29"
(1,353.57mm)
58.02"
(1,473.71mm)
-4.73"
(-120.14mm)
23rd Driest Driest since: 1977 1904
102nd Wettest Wettest since: 1976 1986
May 1973–Apr 1978
60-Month
65.00"
(1,651.00mm)
72.49"
(1,841.25mm)
-7.49"
(-190.25mm)
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, Precipitation, published September 2022, retrieved on September 28, 2022 from https://www.ncdc.noaa.gov/cag/