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 1956

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1956
1-Month 		2.30"
(58.42mm)		 1.20"
(30.48mm)		 1.10"
(27.94mm)		 112th Driest
Driest since:
 1917
17th Wettest
Wettest since:
 1962
Ties: 1904
Sep–Oct 1956
2-Month 		2.55"
(64.77mm)		 1.65"
(41.91mm)		 0.90"
(22.86mm)		 108th Driest
Driest since:
 2020
21st Wettest
Wettest since:
 1962
Ties: 1918, 2000
Aug–Oct 1956
3-Month 		2.58"
(65.53mm)		 1.89"
(48.01mm)		 0.69"
(17.52mm)		 102nd Driest
Driest since:
 1995, 2002
27th Wettest
Wettest since:
 1962
Jul–Oct 1956
4-Month 		2.88"
(73.15mm)		 2.07"
(52.58mm)		 0.81"
(20.57mm)		 104th Driest
Driest since:
 2002, 2020
25th Wettest
Wettest since:
 1962
Ties: 2000
Jun–Oct 1956
5-Month 		3.08"
(78.23mm)		 2.42"
(61.47mm)		 0.66"
(16.76mm)		 98th Driest
Driest since:
 2002
31st Wettest
Wettest since:
 1982
May–Oct 1956
6-Month 		4.50"
(114.30mm)		 3.30"
(83.82mm)		 1.20"
(30.48mm)		 111th Driest
Driest since:
 2002
18th Wettest
Wettest since:
 1957
Ties: 2011
Apr–Oct 1956
7-Month 		6.33"
(160.78mm)		 4.93"
(125.22mm)		 1.40"
(35.56mm)		 105th Driest
Driest since:
 2002
24th Wettest
Wettest since:
 1963
Mar–Oct 1956
8-Month 		6.74"
(171.20mm)		 8.14"
(206.76mm)		 -1.40"
(-35.56mm)		 51st Driest
Driest since:
 2008
78th Wettest
Wettest since:
 1983
Feb–Oct 1956
9-Month 		9.91"
(251.71mm)		 11.99"
(304.55mm)		 -2.08"
(-52.84mm)		 52nd Driest
Driest since:
 1966
77th Wettest
Wettest since:
 1998
Jan–Oct 1956
10-Month 		16.87"
(428.50mm)		 16.24"
(412.50mm)		 0.63"
(16.00mm)		 78th Driest
Driest since:
 2022
51st Wettest
Wettest since:
 1998
Dec 1955–Oct 1956
11-Month 		27.55"
(699.77mm)		 19.87"
(504.70mm)		 7.68"
(195.07mm)		 116th Driest
Driest since:
 1977
12th Wettest
Wettest since:
 1983
Nov 1955–Oct 1956
12-Month 		30.24"
(768.10mm)		 22.44"
(569.98mm)		 7.80"
(198.12mm)		 115th Driest
Driest since:
 1977
13th Wettest
Wettest since:
 1983
May 1955–Oct 1956
18-Month 		32.35"
(821.69mm)		 25.75"
(654.05mm)		 6.60"
(167.64mm)		 112th Driest
Driest since:
 1977
16th Wettest
Wettest since:
 1983
Nov 1954–Oct 1956
24-Month 		47.00"
(1,193.80mm)		 44.87"
(1,139.70mm)		 2.13"
(54.10mm)		 84th Driest
Driest since:
 1977
43rd Wettest
Wettest since:
 1983
Nov 1953–Oct 1956
36-Month 		67.67"
(1,718.82mm)		 67.29"
(1,709.17mm)		 0.38"
(9.65mm)		 72nd Driest
Driest since:
 2022
54th Wettest
Wettest since:
 1984
Nov 1952–Oct 1956
48-Month 		90.28"
(2,293.11mm)		 89.47"
(2,272.54mm)		 0.81"
(20.57mm)		 76th Driest
Driest since:
 2015
49th Wettest
Wettest since:
 1998
Nov 1951–Oct 1956
60-Month 		119.34"
(3,031.24mm)		 111.65"
(2,835.91mm)		 7.69"
(195.33mm)		 91st Driest
Driest since:
 1991
33rd Wettest
Wettest since:
 1999

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