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 2015

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
August 2015
1-Month
0.08"
(2.03mm)
0.24"
(6.10mm)
-0.16"
(-4.07mm)
25th Driest
Driest since:
1937, 2002
104th Wettest
Wettest since:
1983
Ties: 1900, 1919, 1943, 1948
Jul–Aug 2015
2-Month
0.74"
(18.80mm)
0.42"
(10.67mm)
0.32"
(8.13mm)
118th Driest
Driest since:
1940
11th Wettest
Wettest since:
1983
Jun–Aug 2015
3-Month
0.97"
(24.64mm)
0.77"
(19.56mm)
0.20"
(5.08mm)
94th Driest
Driest since:
2002
35th Wettest
Wettest since:
1913
May–Aug 2015
4-Month
1.90"
(48.26mm)
1.65"
(41.91mm)
0.25"
(6.35mm)
89th Driest
Driest since:
1924
40th Wettest
Wettest since:
1998
Apr–Aug 2015
5-Month
2.96"
(75.18mm)
3.28"
(83.31mm)
-0.32"
(-8.13mm)
59th Driest
Driest since:
2021
70th Wettest
Wettest since:
1896
Mar–Aug 2015
6-Month
3.74"
(95.00mm)
6.50"
(165.10mm)
-2.76"
(-70.10mm)
15th Driest
Driest since:
2008
114th Wettest
Wettest since:
1995
Feb–Aug 2015
7-Month
6.60"
(167.64mm)
10.35"
(262.89mm)
-3.75"
(-95.25mm)
21st Driest
Driest since:
1997, 2021
108th Wettest
Wettest since:
1998
Jan–Aug 2015
8-Month
7.25"
(184.15mm)
14.60"
(370.84mm)
-7.35"
(-186.69mm)
6th Driest
Driest since:
2022
123rd Wettest
Wettest since:
1995
Dec 2014–Aug 2015
9-Month
13.55"
(344.17mm)
18.22"
(462.79mm)
-4.67"
(-118.62mm)
29th Driest
Driest since:
1924
99th Wettest
Wettest since:
1998
Nov 2014–Aug 2015
10-Month
15.39"
(390.91mm)
20.80"
(528.32mm)
-5.41"
(-137.41mm)
23rd Driest
Driest since:
1924
105th Wettest
Wettest since:
1983
Ties: 1933, 1947
Oct 2014–Aug 2015
11-Month
16.45"
(417.83mm)
22.00"
(558.80mm)
-5.55"
(-140.97mm)
32nd Driest
Driest since:
1924
96th Wettest
Wettest since:
1983
Sep 2014–Aug 2015
12-Month
17.17"
(436.12mm)
22.44"
(569.98mm)
-5.27"
(-133.86mm)
32nd Driest
Driest since:
2021
96th Wettest
Wettest since:
1983
Mar 2014–Aug 2015
18-Month
22.59"
(573.79mm)
28.96"
(735.58mm)
-6.37"
(-161.79mm)
25th Driest
Driest since:
1977
103rd Wettest
Wettest since:
1983
Ties: 1981
Sep 2013–Aug 2015
24-Month
29.61"
(752.09mm)
44.90"
(1,140.46mm)
-15.29"
(-388.37mm)
5th Driest
Driest since:
1977
122nd Wettest
Wettest since:
1983
Sep 2012–Aug 2015
36-Month
45.89"
(1,165.61mm)
67.31"
(1,709.67mm)
-21.42"
(-544.06mm)
3rd Driest
Driest since:
2022
123rd Wettest
Wettest since:
1984
Sep 2011–Aug 2015
48-Month
62.51"
(1,587.75mm)
89.50"
(2,273.30mm)
-26.99"
(-685.55mm)
1st Driest
Driest since:
2015
124th Wettest
Wettest since:
1998
Sep 2010–Aug 2015
60-Month
91.21"
(2,316.73mm)
111.68"
(2,836.67mm)
-20.47"
(-519.94mm)
8th Driest
Driest since:
1991
116th Wettest
Wettest since:
1999

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