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, October 1937

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
October 1937
1-Month
1.17"
(29.72mm)
1.20"
(30.48mm)
-0.03"
(-0.76mm)
71st Driest
Driest since:
1917
58th Wettest
Wettest since:
1962
Ties: 1936
Sep–Oct 1937
2-Month
1.26"
(32.00mm)
1.65"
(41.91mm)
-0.39"
(-9.91mm)
47th Driest
Driest since:
2020
82nd Wettest
Wettest since:
1962
Ties: 1946
Aug–Oct 1937
3-Month
1.27"
(32.26mm)
1.89"
(48.01mm)
-0.62"
(-15.75mm)
39th Driest
Driest since:
1995, 2002
90th Wettest
Wettest since:
1962
Jul–Oct 1937
4-Month
1.45"
(36.83mm)
2.07"
(52.58mm)
-0.62"
(-15.75mm)
38th Driest
Driest since:
2002, 2020
91st Wettest
Wettest since:
1962
Jun–Oct 1937
5-Month
2.20"
(55.88mm)
2.42"
(61.47mm)
-0.22"
(-5.59mm)
59th Driest
Driest since:
2002
70th Wettest
Wettest since:
1982
Ties: 2015
May–Oct 1937
6-Month
2.50"
(63.50mm)
3.30"
(83.82mm)
-0.80"
(-20.32mm)
37th Driest
Driest since:
2002
92nd Wettest
Wettest since:
1957
Apr–Oct 1937
7-Month
3.99"
(101.35mm)
4.93"
(125.22mm)
-0.94"
(-23.87mm)
37th Driest
Driest since:
2002
92nd Wettest
Wettest since:
1963
Ties: 1930
Mar–Oct 1937
8-Month
8.85"
(224.79mm)
8.14"
(206.76mm)
0.71"
(18.03mm)
86th Driest
Driest since:
2008
43rd Wettest
Wettest since:
1983
Feb–Oct 1937
9-Month
15.05"
(382.27mm)
11.99"
(304.55mm)
3.06"
(77.72mm)
105th Driest
Driest since:
1966
24th Wettest
Wettest since:
1998
Jan–Oct 1937
10-Month
18.45"
(468.63mm)
16.24"
(412.50mm)
2.21"
(56.13mm)
90th Driest
Driest since:
2022
39th Wettest
Wettest since:
1998
Dec 1936–Oct 1937
11-Month
22.98"
(583.69mm)
19.87"
(504.70mm)
3.11"
(78.99mm)
93rd Driest
Driest since:
1977
35th Wettest
Wettest since:
1983
Nov 1936–Oct 1937
12-Month
23.12"
(587.25mm)
22.44"
(569.98mm)
0.68"
(17.27mm)
78th Driest
Driest since:
1977
50th Wettest
Wettest since:
1983
Ties: 1975
May 1936–Oct 1937
18-Month
26.64"
(676.66mm)
25.75"
(654.05mm)
0.89"
(22.61mm)
78th Driest
Driest since:
1977
50th Wettest
Wettest since:
1983
Ties: 1951
Nov 1935–Oct 1937
24-Month
46.14"
(1,171.96mm)
44.87"
(1,139.70mm)
1.27"
(32.26mm)
76th Driest
Driest since:
1977
51st Wettest
Wettest since:
1983
Nov 1934–Oct 1937
36-Month
70.32"
(1,786.13mm)
67.29"
(1,709.17mm)
3.03"
(76.96mm)
84th Driest
Driest since:
2022
42nd Wettest
Wettest since:
1984
Ties: 2011
Nov 1933–Oct 1937
48-Month
86.49"
(2,196.85mm)
89.47"
(2,272.54mm)
-2.98"
(-75.69mm)
58th Driest
Driest since:
2015
67th Wettest
Wettest since:
1998
Nov 1932–Oct 1937
60-Month
103.45"
(2,627.63mm)
111.65"
(2,835.91mm)
-8.20"
(-208.28mm)
46th Driest
Driest since:
1991
78th Wettest
Wettest since:
1999

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