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 1977

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
October 1977
1-Month
0.50"
(12.70mm)
1.20"
(30.48mm)
-0.70"
(-17.78mm)
31st Driest
Driest since:
1917
98th Wettest
Wettest since:
1962
Ties: 1903, 1919
Sep–Oct 1977
2-Month
1.37"
(34.80mm)
1.65"
(41.91mm)
-0.28"
(-7.11mm)
56th Driest
Driest since:
2020
73rd Wettest
Wettest since:
1962
Aug–Oct 1977
3-Month
2.12"
(53.85mm)
1.89"
(48.01mm)
0.23"
(5.84mm)
81st Driest
Driest since:
1995, 2002
48th Wettest
Wettest since:
1962
Ties: 1927, 2007
Jul–Oct 1977
4-Month
2.20"
(55.88mm)
2.07"
(52.58mm)
0.13"
(3.30mm)
75th Driest
Driest since:
2002, 2020
54th Wettest
Wettest since:
1962
Jun–Oct 1977
5-Month
2.55"
(64.77mm)
2.42"
(61.47mm)
0.13"
(3.30mm)
74th Driest
Driest since:
2002
55th Wettest
Wettest since:
1982
May–Oct 1977
6-Month
4.43"
(112.52mm)
3.30"
(83.82mm)
1.13"
(28.70mm)
107th Driest
Driest since:
2002
22nd Wettest
Wettest since:
1957
Apr–Oct 1977
7-Month
4.66"
(118.36mm)
4.93"
(125.22mm)
-0.27"
(-6.86mm)
67th Driest
Driest since:
2002
62nd Wettest
Wettest since:
1963
Ties: 1971
Mar–Oct 1977
8-Month
6.30"
(160.02mm)
8.14"
(206.76mm)
-1.84"
(-46.74mm)
36th Driest
Driest since:
2008
93rd Wettest
Wettest since:
1983
Ties: 1924, 1960
Feb–Oct 1977
9-Month
7.46"
(189.48mm)
11.99"
(304.55mm)
-4.53"
(-115.07mm)
14th Driest
Driest since:
1966
115th Wettest
Wettest since:
1998
Jan–Oct 1977
10-Month
9.44"
(239.78mm)
16.24"
(412.50mm)
-6.80"
(-172.72mm)
11th Driest
Driest since:
2022
118th Wettest
Wettest since:
1998
Ties: 1924
Dec 1976–Oct 1977
11-Month
9.99"
(253.75mm)
19.87"
(504.70mm)
-9.88"
(-250.95mm)
1st Driest
Driest to Date
1977
127th Wettest
Wettest since:
1983
Nov 1976–Oct 1977
12-Month
10.85"
(275.59mm)
22.44"
(569.98mm)
-11.59"
(-294.39mm)
1st Driest
Driest to Date
1977
127th Wettest
Wettest since:
1983
May 1976–Oct 1977
18-Month
13.96"
(354.58mm)
25.75"
(654.05mm)
-11.79"
(-299.47mm)
1st Driest
Driest to Date
1977
127th Wettest
Wettest since:
1983
Nov 1975–Oct 1977
24-Month
23.41"
(594.61mm)
44.87"
(1,139.70mm)
-21.46"
(-545.09mm)
1st Driest
Driest to Date
1977
126th Wettest
Wettest since:
1983
Nov 1974–Oct 1977
36-Month
46.53"
(1,181.86mm)
67.29"
(1,709.17mm)
-20.76"
(-527.31mm)
4th Driest
Driest to Date
2022
122nd Wettest
Wettest since:
1984
Nov 1973–Oct 1977
48-Month
74.12"
(1,882.65mm)
89.47"
(2,272.54mm)
-15.35"
(-389.89mm)
16th Driest
Driest since:
2015
109th Wettest
Wettest since:
1998
Nov 1972–Oct 1977
60-Month
99.61"
(2,530.09mm)
111.65"
(2,835.91mm)
-12.04"
(-305.82mm)
27th Driest
Driest since:
1991
97th Wettest
Wettest since:
1999

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