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


Southwest Climate Region

Precipitation Rankings, September 1991

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1991
1-Month
1.78"
(45.21mm)
1.36"
(34.54mm)
0.42"
(10.67mm)
98th Driest Driest since: 1989 1953, 1956
30th Wettest Wettest since: 1990 2013
Ties: 1962
Aug–Sep 1991
2-Month
4.06"
(103.12mm)
3.38"
(85.85mm)
0.68"
(17.27mm)
106th Driest Driest since: 1989 2020
22nd Wettest Wettest since: 1990 2013
Ties: 1986
Jul–Sep 1991
3-Month
6.24"
(158.50mm)
5.25"
(133.35mm)
0.99"
(25.15mm)
108th Driest Driest since: 1989 2020
20th Wettest Wettest since: 1990 2013
Ties: 1967
Jun–Sep 1991
4-Month
7.26"
(184.40mm)
6.19"
(157.23mm)
1.07"
(27.17mm)
106th Driest Driest since: 1989 2020
22nd Wettest Wettest since: 1990 1927
May–Sep 1991
5-Month
8.28"
(210.31mm)
7.30"
(185.42mm)
0.98"
(24.89mm)
103rd Driest Driest since: 1990 2020
25th Wettest Wettest since: 1986 1941
Apr–Sep 1991
6-Month
8.83"
(224.28mm)
8.36"
(212.34mm)
0.47"
(11.94mm)
88th Driest Driest since: 1989 2020
40th Wettest Wettest since: 1990 1941
Ties: 2017
Mar–Sep 1991
7-Month
10.73"
(272.54mm)
9.51"
(241.55mm)
1.22"
(30.99mm)
103rd Driest Driest since: 1990 1956
25th Wettest Wettest since: 1986 1941
Feb–Sep 1991
8-Month
11.30"
(287.02mm)
10.52"
(267.21mm)
0.78"
(19.81mm)
93rd Driest Driest since: 1989 1956
35th Wettest Wettest since: 1990 1941
Jan–Sep 1991
9-Month
12.14"
(308.36mm)
11.50"
(292.10mm)
0.64"
(16.26mm)
83rd Driest Driest since: 1989 1956
45th Wettest Wettest since: 1990 1941
Dec 1990–Sep 1991
10-Month
13.22"
(335.79mm)
12.51"
(317.75mm)
0.71"
(18.04mm)
85th Driest Driest since: 1990 1956
42nd Wettest Wettest since: 1988 1941
Nov 1990–Sep 1991
11-Month
14.33"
(363.98mm)
13.40"
(340.36mm)
0.93"
(23.62mm)
85th Driest Driest since: 1990 1956
42nd Wettest Wettest since: 1988 1941
Oct 1990–Sep 1991
12-Month
15.22"
(386.59mm)
14.53"
(369.06mm)
0.69"
(17.53mm)
82nd Driest Driest since: 1990 1956
45th Wettest Wettest since: 1988 1941
Apr 1990–Sep 1991
18-Month
24.75"
(628.65mm)
22.92"
(582.17mm)
1.83"
(46.48mm)
97th Driest Driest since: 1990 2021
30th Wettest Wettest since: 1987 1941
Ties: 1979, 2017
Oct 1989–Sep 1991
24-Month
29.27"
(743.46mm)
29.08"
(738.63mm)
0.19"
(4.83mm)
76th Driest Driest since: 1990 1956
50th Wettest Wettest since: 1988 1942
Oct 1988–Sep 1991
36-Month
40.61"
(1,031.49mm)
43.57"
(1,106.68mm)
-2.96"
(-75.19mm)
33rd Driest Driest since: 1978 1956
92nd Wettest Wettest since: 1990 1907
Oct 1987–Sep 1991
48-Month
56.59"
(1,437.39mm)
58.05"
(1,474.47mm)
-1.46"
(-37.08mm)
57th Driest Driest since: 1978 1956
67th Wettest Wettest since: 1990 1986
Oct 1986–Sep 1991
60-Month
72.64"
(1,845.06mm)
72.53"
(1,842.26mm)
0.11"
(2.80mm)
68th Driest Driest since: 1980 1957
55th Wettest Wettest since: 1990 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published January 2022, retrieved on January 22, 2022 from https://www.ncdc.noaa.gov/cag/