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 December 2019. For more information, please see Climatological Rankings.


Arizona

Precipitation Rankings, September 1940

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1940
1-Month
2.73"
(69.34mm)
1.18"
(29.97mm)
1.55"
(39.37mm)
123rd Driest Driest since: 1938 1953
3rd Wettest Wettest since: 1939 1983
Aug–Sep 1940
2-Month
4.75"
(120.65mm)
3.28"
(83.31mm)
1.47"
(37.34mm)
116th Driest Driest since: 1938 1956
10th Wettest Wettest since: 1939 1983
Ties: 1951
Jul–Sep 1940
3-Month
5.52"
(140.21mm)
5.08"
(129.03mm)
0.44"
(11.18mm)
85th Driest Driest since: 1938 2009
41st Wettest Wettest since: 1939 1919
Jun–Sep 1940
4-Month
6.13"
(155.70mm)
5.37"
(136.40mm)
0.76"
(19.30mm)
96th Driest Driest since: 1939 2009
30th Wettest Wettest since: 1931 1984
May–Sep 1940
5-Month
6.45"
(163.83mm)
5.71"
(145.03mm)
0.74"
(18.80mm)
92nd Driest Driest since: 1939 1900
34th Wettest Wettest since: 1935 1919
Ties: 1976
Apr–Sep 1940
6-Month
7.23"
(183.64mm)
6.28"
(159.51mm)
0.95"
(24.13mm)
94th Driest Driest since: 1939 1956, 1989
32nd Wettest Wettest since: 1931 1919
Mar–Sep 1940
7-Month
7.47"
(189.74mm)
7.40"
(187.96mm)
0.07"
(1.78mm)
77th Driest Driest since: 1939 1956
49th Wettest Wettest since: 1935 1983
Feb–Sep 1940
8-Month
9.19"
(233.43mm)
8.55"
(217.17mm)
0.64"
(16.26mm)
88th Driest Driest since: 1939 1956
38th Wettest Wettest since: 1935 1905
Jan–Sep 1940
9-Month
9.98"
(253.49mm)
9.69"
(246.13mm)
0.29"
(7.36mm)
75th Driest Driest since: 1939 2002
51st Wettest Wettest since: 1937 1905
Dec 1939–Sep 1940
10-Month
10.31"
(261.87mm)
10.87"
(276.10mm)
-0.56"
(-14.23mm)
55th Driest Driest since: 1936 2002
70th Wettest Wettest since: 1939 1941
Nov 1939–Sep 1940
11-Month
11.49"
(291.85mm)
11.72"
(297.69mm)
-0.23"
(-5.84mm)
72nd Driest Driest since: 1938 2002
53rd Wettest Wettest since: 1939 1941
Ties: 1930
Oct 1939–Sep 1940
12-Month
11.89"
(302.01mm)
12.60"
(320.04mm)
-0.71"
(-18.03mm)
63rd Driest Driest since: 1939 2002
62nd Wettest Wettest since: 1937 1941
Apr 1939–Sep 1940
18-Month
18.50"
(469.90mm)
18.89"
(479.81mm)
-0.39"
(-9.91mm)
72nd Driest Driest since: 1939 1902
53rd Wettest Wettest since: 1937 1941
Oct 1938–Sep 1940
24-Month
23.54"
(597.92mm)
25.20"
(640.08mm)
-1.66"
(-42.16mm)
53rd Driest Driest since: 1939 1900
71st Wettest Wettest since: 1938 1993
Ties: 1989
Oct 1937–Sep 1940
36-Month
34.49"
(876.05mm)
37.76"
(959.10mm)
-3.27"
(-83.05mm)
46th Driest Driest since: 1930 1902
77th Wettest Wettest since: 1939 1907
Oct 1936–Sep 1940
48-Month
48.26"
(1,225.80mm)
50.27"
(1,276.86mm)
-2.01"
(-51.06mm)
56th Driest Driest since: 1939 1902
66th Wettest Wettest since: 1938 1908
Oct 1935–Sep 1940
60-Month
59.44"
(1,509.78mm)
62.80"
(1,595.12mm)
-3.36"
(-85.34mm)
49th Driest Driest since: 1905 1902
72nd Wettest Wettest since: 1939 1909

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 23, 2020 from https://www.ncdc.noaa.gov/cag/