Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

California

Precipitation Rankings, September 1949

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1949
1-Month
0.11"
(2.79mm)
0.45"
(11.43mm)
-0.34"
(-8.64mm)
22nd Driest
Driest since:
1974
107th Wettest
Wettest since:
1918
Ties: 1922, 1926, 1947, 1988, 2002
Aug–Sep 1949
2-Month
0.26"
(6.60mm)
0.69"
(17.53mm)
-0.43"
(-10.93mm)
20th Driest
Driest since:
1937, 2018
109th Wettest
Wettest since:
1983
Ties: 1933, 1980, 1993, 2010
Jul–Sep 1949
3-Month
0.33"
(8.38mm)
0.87"
(22.10mm)
-0.54"
(-13.72mm)
16th Driest
Driest since:
1928
113th Wettest
Wettest since:
1976
Ties: 2010
Jun–Sep 1949
4-Month
0.42"
(10.67mm)
1.22"
(30.99mm)
-0.80"
(-20.32mm)
7th Driest
Driest since:
2002
122nd Wettest
Wettest since:
1982
Ties: 2006
May–Sep 1949
5-Month
1.75"
(44.45mm)
2.10"
(53.34mm)
-0.35"
(-8.89mm)
54th Driest
Driest since:
1924
75th Wettest
Wettest since:
1998
Apr–Sep 1949
6-Month
1.96"
(49.78mm)
3.74"
(95.00mm)
-1.78"
(-45.22mm)
14th Driest
Driest since:
1924
115th Wettest
Wettest since:
1896
Mar–Sep 1949
7-Month
6.45"
(163.83mm)
6.95"
(176.53mm)
-0.50"
(-12.70mm)
67th Driest
Driest since:
2008
62nd Wettest
Wettest since:
1995
Feb–Sep 1949
8-Month
9.21"
(233.93mm)
10.80"
(274.32mm)
-1.59"
(-40.39mm)
59th Driest
Driest since:
2021
70th Wettest
Wettest since:
1998
Jan–Sep 1949
9-Month
11.30"
(287.02mm)
15.05"
(382.27mm)
-3.75"
(-95.25mm)
38th Driest
Driest since:
2022
91st Wettest
Wettest since:
1998
Dec 1948–Sep 1949
10-Month
15.02"
(381.51mm)
18.67"
(474.22mm)
-3.65"
(-92.71mm)
43rd Driest
Driest since:
1924
85th Wettest
Wettest since:
1983
Ties: 1899
Nov 1948–Sep 1949
11-Month
16.13"
(409.70mm)
21.25"
(539.75mm)
-5.12"
(-130.05mm)
30th Driest
Driest since:
1924
98th Wettest
Wettest since:
1983
Oct 1948–Sep 1949
12-Month
17.01"
(432.05mm)
22.45"
(570.23mm)
-5.44"
(-138.18mm)
32nd Driest
Driest since:
1924
96th Wettest
Wettest since:
1983
Ties: 1981
Apr 1948–Sep 1949
18-Month
24.01"
(609.85mm)
26.19"
(665.23mm)
-2.18"
(-55.38mm)
58th Driest
Driest since:
2021
70th Wettest
Wettest since:
1983
Oct 1947–Sep 1949
24-Month
36.51"
(927.35mm)
44.90"
(1,140.46mm)
-8.39"
(-213.11mm)
28th Driest
Driest since:
1977
99th Wettest
Wettest since:
1983
Oct 1946–Sep 1949
36-Month
53.03"
(1,346.96mm)
67.32"
(1,709.93mm)
-14.29"
(-362.97mm)
16th Driest
Driest since:
2022
110th Wettest
Wettest since:
1984
Oct 1945–Sep 1949
48-Month
74.13"
(1,882.90mm)
89.51"
(2,273.55mm)
-15.38"
(-390.65mm)
17th Driest
Driest since:
2015
108th Wettest
Wettest since:
1998
Oct 1944–Sep 1949
60-Month
96.41"
(2,448.81mm)
111.69"
(2,836.93mm)
-15.28"
(-388.12mm)
19th Driest
Driest since:
1991
105th Wettest
Wettest since:
1999

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