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 1984

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1984
1-Month
0.27"
(6.86mm)
0.45"
(11.43mm)
-0.18"
(-4.57mm)
58th Driest
Driest since:
1974
71st Wettest
Wettest since:
1918
Ties: 1900, 1906, 1961, 1996
Aug–Sep 1984
2-Month
0.88"
(22.35mm)
0.69"
(17.53mm)
0.19"
(4.82mm)
98th Driest
Driest since:
1937, 2018
31st Wettest
Wettest since:
1983
Ties: 1971
Jul–Sep 1984
3-Month
1.47"
(37.34mm)
0.87"
(22.10mm)
0.60"
(15.24mm)
116th Driest
Driest since:
1928
13th Wettest
Wettest since:
1976
Ties: 1939
Jun–Sep 1984
4-Month
1.90"
(48.26mm)
1.22"
(30.99mm)
0.68"
(17.27mm)
117th Driest
Driest since:
2002
12th Wettest
Wettest since:
1982
May–Sep 1984
5-Month
2.29"
(58.17mm)
2.10"
(53.34mm)
0.19"
(4.83mm)
83rd Driest
Driest since:
1924
46th Wettest
Wettest since:
1998
Apr–Sep 1984
6-Month
3.50"
(88.90mm)
3.74"
(95.00mm)
-0.24"
(-6.10mm)
70th Driest
Driest since:
1924
59th Wettest
Wettest since:
1896
Mar–Sep 1984
7-Month
5.17"
(131.32mm)
6.95"
(176.53mm)
-1.78"
(-45.21mm)
38th Driest
Driest since:
2008
91st Wettest
Wettest since:
1995
Feb–Sep 1984
8-Month
7.37"
(187.20mm)
10.80"
(274.32mm)
-3.43"
(-87.12mm)
25th Driest
Driest since:
2021
104th Wettest
Wettest since:
1998
Ties: 1921
Jan–Sep 1984
9-Month
7.70"
(195.58mm)
15.05"
(382.27mm)
-7.35"
(-186.69mm)
7th Driest
Driest since:
2022
122nd Wettest
Wettest since:
1998
Dec 1983–Sep 1984
10-Month
14.65"
(372.11mm)
18.67"
(474.22mm)
-4.02"
(-102.11mm)
37th Driest
Driest since:
1924
91st Wettest
Wettest since:
1983
Nov 1983–Sep 1984
11-Month
21.20"
(538.48mm)
21.25"
(539.75mm)
-0.05"
(-1.27mm)
77th Driest
Driest since:
1924
51st Wettest
Wettest since:
1983
Oct 1983–Sep 1984
12-Month
22.38"
(568.45mm)
22.45"
(570.23mm)
-0.07"
(-1.78mm)
72nd Driest
Driest since:
1924
56th Wettest
Wettest since:
1983
Apr 1983–Sep 1984
18-Month
28.41"
(721.61mm)
26.19"
(665.23mm)
2.22"
(56.38mm)
88th Driest
Driest since:
2021
40th Wettest
Wettest since:
1983
Oct 1982–Sep 1984
24-Month
62.79"
(1,594.87mm)
44.90"
(1,140.46mm)
17.89"
(454.41mm)
124th Driest
Driest since:
1977
3rd Wettest
Wettest since:
1983
Oct 1981–Sep 1984
36-Month
95.20"
(2,418.08mm)
67.32"
(1,709.93mm)
27.88"
(708.15mm)
125th Driest
Driest since:
2022
1st Wettest
Wettest to Date
1984
Oct 1980–Sep 1984
48-Month
112.21"
(2,850.13mm)
89.51"
(2,273.55mm)
22.70"
(576.58mm)
121st Driest
Driest since:
2015
4th Wettest
Wettest since:
1998
Oct 1979–Sep 1984
60-Month
140.71"
(3,574.03mm)
111.69"
(2,836.93mm)
29.02"
(737.10mm)
121st Driest
Driest since:
1991
3rd Wettest
Wettest to Date
1999

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