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, August 1951

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1951
1-Month
0.35"
(8.89mm)
0.24"
(6.10mm)
0.11"
(2.79mm)
104th Driest
Driest since:
1937, 2002
25th Wettest
Wettest since:
1983
Ties: 1922, 1925, 1935, 1955
Jul–Aug 1951
2-Month
0.50"
(12.70mm)
0.42"
(10.67mm)
0.08"
(2.03mm)
90th Driest
Driest since:
1940
39th Wettest
Wettest since:
1983
Ties: 1975, 1988
Jun–Aug 1951
3-Month
0.57"
(14.48mm)
0.77"
(19.56mm)
-0.20"
(-5.08mm)
48th Driest
Driest since:
2002
81st Wettest
Wettest since:
1913
Ties: 1980
May–Aug 1951
4-Month
1.59"
(40.39mm)
1.65"
(41.91mm)
-0.06"
(-1.52mm)
75th Driest
Driest since:
1924
54th Wettest
Wettest since:
1998
Ties: 1952
Apr–Aug 1951
5-Month
3.19"
(81.03mm)
3.29"
(83.57mm)
-0.10"
(-2.54mm)
74th Driest
Driest since:
2021
55th Wettest
Wettest since:
1896
Mar–Aug 1951
6-Month
4.36"
(110.74mm)
6.50"
(165.10mm)
-2.14"
(-54.36mm)
27th Driest
Driest since:
2008
102nd Wettest
Wettest since:
1995
Ties: 1969
Feb–Aug 1951
7-Month
6.90"
(175.26mm)
10.35"
(262.89mm)
-3.45"
(-87.63mm)
23rd Driest
Driest since:
1997, 2021
106th Wettest
Wettest since:
1998
Ties: 2020
Jan–Aug 1951
8-Month
10.99"
(279.15mm)
14.60"
(370.84mm)
-3.61"
(-91.69mm)
37th Driest
Driest since:
2022
92nd Wettest
Wettest since:
1995
Dec 1950–Aug 1951
9-Month
15.20"
(386.08mm)
18.22"
(462.79mm)
-3.02"
(-76.71mm)
51st Driest
Driest since:
1924
77th Wettest
Wettest since:
1998
Nov 1950–Aug 1951
10-Month
19.44"
(493.78mm)
20.80"
(528.32mm)
-1.36"
(-34.54mm)
62nd Driest
Driest since:
1924
66th Wettest
Wettest since:
1983
Oct 1950–Aug 1951
11-Month
22.85"
(580.39mm)
22.00"
(558.80mm)
0.85"
(21.59mm)
76th Driest
Driest since:
1924
52nd Wettest
Wettest since:
1983
Sep 1950–Aug 1951
12-Month
23.36"
(593.34mm)
22.44"
(569.98mm)
0.92"
(23.36mm)
79th Driest
Driest since:
2021
49th Wettest
Wettest since:
1983
Mar 1950–Aug 1951
18-Month
28.83"
(732.28mm)
28.96"
(735.58mm)
-0.13"
(-3.30mm)
75th Driest
Driest since:
1977
53rd Wettest
Wettest since:
1983
Sep 1949–Aug 1951
24-Month
40.96"
(1,040.38mm)
44.90"
(1,140.46mm)
-3.94"
(-100.08mm)
46th Driest
Driest since:
1977
81st Wettest
Wettest since:
1983
Sep 1948–Aug 1951
36-Month
58.26"
(1,479.80mm)
67.31"
(1,709.67mm)
-9.05"
(-229.87mm)
32nd Driest
Driest since:
2022
94th Wettest
Wettest since:
1984
Sep 1947–Aug 1951
48-Month
77.47"
(1,967.74mm)
89.50"
(2,273.30mm)
-12.03"
(-305.56mm)
24th Driest
Driest since:
2015
101st Wettest
Wettest since:
1998
Sep 1946–Aug 1951
60-Month
94.12"
(2,390.65mm)
111.68"
(2,836.67mm)
-17.56"
(-446.02mm)
11th Driest
Driest since:
1991
113th Wettest
Wettest since:
1999

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