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 2006

View Period (Months):
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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 2006
1-Month
0.06"
(1.52mm)
0.45"
(11.43mm)
-0.39"
(-9.91mm)
9th Driest
Driest since:
1974
120th Wettest
Wettest since:
1918
Ties: 2018
Aug–Sep 2006
2-Month
0.12"
(3.05mm)
0.69"
(17.53mm)
-0.57"
(-14.48mm)
3rd Driest
Driest since:
1937, 2018
126th Wettest
Wettest since:
1983
Ties: 1928, 2002
Jul–Sep 2006
3-Month
0.27"
(6.86mm)
0.87"
(22.10mm)
-0.60"
(-15.24mm)
7th Driest
Driest since:
1928
122nd Wettest
Wettest since:
1976
Jun–Sep 2006
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: 1949
May–Sep 2006
5-Month
1.15"
(29.21mm)
2.10"
(53.34mm)
-0.95"
(-24.13mm)
14th Driest
Driest since:
1924
115th Wettest
Wettest since:
1998
Apr–Sep 2006
6-Month
5.31"
(134.87mm)
3.74"
(95.00mm)
1.57"
(39.87mm)
107th Driest
Driest since:
1924
22nd Wettest
Wettest since:
1896
Mar–Sep 2006
7-Month
10.72"
(272.29mm)
6.95"
(176.53mm)
3.77"
(95.76mm)
114th Driest
Driest since:
2008
15th Wettest
Wettest since:
1995
Feb–Sep 2006
8-Month
13.41"
(340.61mm)
10.80"
(274.32mm)
2.61"
(66.29mm)
101st Driest
Driest since:
2021
28th Wettest
Wettest since:
1998
Jan–Sep 2006
9-Month
17.95"
(455.93mm)
15.05"
(382.27mm)
2.90"
(73.66mm)
99th Driest
Driest since:
2022
30th Wettest
Wettest since:
1998
Dec 2005–Sep 2006
10-Month
25.76"
(654.30mm)
18.67"
(474.22mm)
7.09"
(180.08mm)
115th Driest
Driest since:
1924
13th Wettest
Wettest since:
1983
Nov 2005–Sep 2006
11-Month
28.02"
(711.71mm)
21.25"
(539.75mm)
6.77"
(171.96mm)
112th Driest
Driest since:
1924
16th Wettest
Wettest since:
1983
Oct 2005–Sep 2006
12-Month
29.02"
(737.11mm)
22.45"
(570.23mm)
6.57"
(166.88mm)
112th Driest
Driest since:
1924
16th Wettest
Wettest since:
1983
Apr 2005–Sep 2006
18-Month
34.77"
(883.16mm)
26.19"
(665.23mm)
8.58"
(217.93mm)
117th Driest
Driest since:
2021
11th Wettest
Wettest since:
1983
Oct 2004–Sep 2006
24-Month
58.96"
(1,497.58mm)
44.90"
(1,140.46mm)
14.06"
(357.12mm)
119th Driest
Driest since:
1977
8th Wettest
Wettest since:
1983
Oct 2003–Sep 2006
36-Month
78.02"
(1,981.71mm)
67.32"
(1,709.93mm)
10.70"
(271.78mm)
105th Driest
Driest since:
2022
21st Wettest
Wettest since:
1984
Oct 2002–Sep 2006
48-Month
102.82"
(2,611.63mm)
89.51"
(2,273.55mm)
13.31"
(338.08mm)
109th Driest
Driest since:
2015
16th Wettest
Wettest since:
1998
Oct 2001–Sep 2006
60-Month
120.23"
(3,053.84mm)
111.69"
(2,836.93mm)
8.54"
(216.91mm)
93rd Driest
Driest since:
1991
31st Wettest
Wettest since:
1999

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