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, July 1999

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
July 1999
1-Month 		0.31"
(7.87mm)		 0.18"
(4.57mm)		 0.13"
(3.30mm)		 116th Driest
Driest since:
 1940
13th Wettest
Wettest since:
 1913
Ties: 1997
Jun–Jul 1999
2-Month 		0.56"
(14.22mm)		 0.53"
(13.46mm)		 0.03"
(0.76mm)		 80th Driest
Driest since:
 1901
49th Wettest
Wettest since:
 1913
Ties: 1916, 1971
May–Jul 1999
3-Month 		0.89"
(22.61mm)		 1.41"
(35.81mm)		 -0.52"
(-13.20mm)		 33rd Driest
Driest since:
 1924
96th Wettest
Wettest since:
 1998
Ties: 1972
Apr–Jul 1999
4-Month 		2.76"
(70.10mm)		 3.04"
(77.22mm)		 -0.28"
(-7.12mm)		 62nd Driest
Driest since:
 1909
67th Wettest
Wettest since:
 1896
Mar–Jul 1999
5-Month 		5.16"
(131.06mm)		 6.26"
(159.00mm)		 -1.10"
(-27.94mm)		 57th Driest
Driest since:
 2008
72nd Wettest
Wettest since:
 1995
Feb–Jul 1999
6-Month 		10.14"
(257.56mm)		 10.10"
(256.54mm)		 0.04"
(1.02mm)		 74th Driest
Driest since:
 1997
55th Wettest
Wettest since:
 1998
Jan–Jul 1999
7-Month 		13.68"
(347.47mm)		 14.36"
(364.74mm)		 -0.68"
(-17.27mm)		 68th Driest
Driest since:
 2022
61st Wettest
Wettest since:
 1995
Dec 1998–Jul 1999
8-Month 		15.33"
(389.38mm)		 17.98"
(456.69mm)		 -2.65"
(-67.31mm)		 54th Driest
Driest since:
 1924
74th Wettest
Wettest since:
 1998
Nov 1998–Jul 1999
9-Month 		19.67"
(499.62mm)		 20.55"
(521.97mm)		 -0.88"
(-22.35mm)		 65th Driest
Driest since:
 1924
63rd Wettest
Wettest since:
 1983, 1998
Oct 1998–Jul 1999
10-Month 		20.43"
(518.92mm)		 21.75"
(552.45mm)		 -1.32"
(-33.53mm)		 61st Driest
Driest since:
 1977
67th Wettest
Wettest since:
 1983
Sep 1998–Jul 1999
11-Month 		21.17"
(537.72mm)		 22.20"
(563.88mm)		 -1.03"
(-26.16mm)		 65th Driest
Driest since:
 1977
63rd Wettest
Wettest since:
 1983
Aug 1998–Jul 1999
12-Month 		21.30"
(541.02mm)		 22.44"
(569.98mm)		 -1.14"
(-28.96mm)		 63rd Driest
Driest since:
 2021
65th Wettest
Wettest since:
 1983
Feb 1998–Jul 1999
18-Month 		43.12"
(1,095.25mm)		 32.51"
(825.75mm)		 10.61"
(269.50mm)		 118th Driest
Driest since:
 2014
10th Wettest
Wettest since:
 1983
Aug 1997–Jul 1999
24-Month 		59.29"
(1,505.97mm)		 44.90"
(1,140.46mm)		 14.39"
(365.51mm)		 119th Driest
Driest since:
 1977
8th Wettest
Wettest since:
 1983
Aug 1996–Jul 1999
36-Month 		85.03"
(2,159.76mm)		 67.31"
(1,709.67mm)		 17.72"
(450.09mm)		 119th Driest
Driest since:
 2022
7th Wettest
Wettest since:
 1984
Aug 1995–Jul 1999
48-Month 		109.52"
(2,781.81mm)		 89.50"
(2,273.30mm)		 20.02"
(508.51mm)		 116th Driest
Driest since:
 2015
9th Wettest
Wettest since:
 1998
Aug 1994–Jul 1999
60-Month 		145.97"
(3,707.64mm)		 111.68"
(2,836.67mm)		 34.29"
(870.97mm)		 123rd Driest
Driest since:
 1991
1st Wettest
Wettest to Date
 1999

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