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 April 2022. For more information, please see Climatological Rankings.


Southwest Climate Region

Precipitation Rankings, September 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1978
1-Month
1.11"
(28.19mm)
1.36"
(34.54mm)
-0.25"
(-6.35mm)
48th Driest Driest since: 1977 1953, 1956
80th Wettest Wettest since: 1976 2013
Aug–Sep 1978
2-Month
2.48"
(62.99mm)
3.38"
(85.85mm)
-0.90"
(-22.86mm)
16th Driest Driest since: 1973 2020
112th Wettest Wettest since: 1977 2013
Jul–Sep 1978
3-Month
3.47"
(88.14mm)
5.25"
(133.35mm)
-1.78"
(-45.21mm)
4th Driest Driest since: 1956 2020
124th Wettest Wettest since: 1977 2013
Jun–Sep 1978
4-Month
4.42"
(112.27mm)
6.19"
(157.23mm)
-1.77"
(-44.96mm)
5th Driest Driest since: 1956 2020
123rd Wettest Wettest since: 1977 1927
May–Sep 1978
5-Month
5.96"
(151.38mm)
7.30"
(185.42mm)
-1.34"
(-34.04mm)
20th Driest Driest since: 1974 2020
108th Wettest Wettest since: 1977 1941
Apr–Sep 1978
6-Month
6.93"
(176.02mm)
8.36"
(212.34mm)
-1.43"
(-36.32mm)
20th Driest Driest since: 1974 2020
108th Wettest Wettest since: 1977 1941
Mar–Sep 1978
7-Month
8.85"
(224.79mm)
9.51"
(241.55mm)
-0.66"
(-16.76mm)
47th Driest Driest since: 1976 1956
81st Wettest Wettest since: 1977 1941
Feb–Sep 1978
8-Month
10.34"
(262.64mm)
10.52"
(267.21mm)
-0.18"
(-4.57mm)
66th Driest Driest since: 1977 1956
62nd Wettest Wettest since: 1973 1941
Jan–Sep 1978
9-Month
12.22"
(310.39mm)
11.50"
(292.10mm)
0.72"
(18.29mm)
88th Driest Driest since: 1977 1956
40th Wettest Wettest since: 1969 1941
Ties: 1930
Dec 1977–Sep 1978
10-Month
12.99"
(329.95mm)
12.51"
(317.75mm)
0.48"
(12.20mm)
79th Driest Driest since: 1977 1956
48th Wettest Wettest since: 1973 1941
Ties: 1990
Nov 1977–Sep 1978
11-Month
13.70"
(347.98mm)
13.40"
(340.36mm)
0.30"
(7.62mm)
80th Driest Driest since: 1977 1956
47th Wettest Wettest since: 1973 1941
Oct 1977–Sep 1978
12-Month
14.57"
(370.08mm)
14.53"
(369.06mm)
0.04"
(1.02mm)
69th Driest Driest since: 1977 1956
58th Wettest Wettest since: 1975 1941
Apr 1977–Sep 1978
18-Month
23.03"
(584.96mm)
22.92"
(582.17mm)
0.11"
(2.79mm)
74th Driest Driest since: 1977 2021
53rd Wettest Wettest since: 1973 1941
Oct 1976–Sep 1978
24-Month
26.20"
(665.48mm)
29.08"
(738.63mm)
-2.88"
(-73.15mm)
30th Driest Driest since: 1977 1956
96th Wettest Wettest since: 1976 1942
Oct 1975–Sep 1978
36-Month
38.86"
(987.04mm)
43.57"
(1,106.68mm)
-4.71"
(-119.64mm)
20th Driest Driest since: 1976 1956
105th Wettest Wettest since: 1977 1907
Oct 1974–Sep 1978
48-Month
53.75"
(1,365.25mm)
58.05"
(1,474.47mm)
-4.30"
(-109.22mm)
28th Driest Driest since: 1977 1956
96th Wettest Wettest since: 1976 1986
Oct 1973–Sep 1978
60-Month
64.58"
(1,640.33mm)
72.53"
(1,842.26mm)
-7.95"
(-201.93mm)
10th Driest Driest since: 1957 1957
113th Wettest Wettest since: 1977 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published May 2022, retrieved on May 19, 2022 from https://www.ncdc.noaa.gov/cag/