Statewide Rankings

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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, June 1930

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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
June 1930 1-Month	0.05" (1.27mm)	0.35" (8.89mm)	-0.30" (-7.62mm)	10th Driest	Driest since: 1924	1915, 1917, 1919, 1935, 1960
	0.05" (1.27mm)	0.35" (8.89mm)	-0.30" (-7.62mm)	119th Wettest	Wettest since: 1929	1929
	Ties: 1924, 1959, 1979
May–Jun 1930 2-Month	1.25" (31.75mm)	1.23" (31.24mm)	0.02" (0.51mm)	80th Driest	Driest since: 1929	1924
	1.25" (31.75mm)	1.23" (31.24mm)	0.02" (0.51mm)	49th Wettest	Wettest since: 1925	1998
	Ties: 1967, 2000
Apr–Jun 1930 3-Month	2.76" (70.10mm)	2.86" (72.64mm)	-0.10" (-2.54mm)	73rd Driest	Driest since: 1928	2021
	2.76" (70.10mm)	2.86" (72.64mm)	-0.10" (-2.54mm)	56th Wettest	Wettest since: 1929	1948
	Ties: 1920
Mar–Jun 1930 4-Month	5.44" (138.18mm)	6.08" (154.43mm)	-0.64" (-16.25mm)	65th Driest	Driest since: 1929	2008
Mar–Jun 1930 4-Month	5.44" (138.18mm)	6.08" (154.43mm)	-0.64" (-16.25mm)	64th Wettest	Wettest since: 1928	1995
Feb–Jun 1930 5-Month	8.31" (211.07mm)	9.93" (252.22mm)	-1.62" (-41.15mm)	52nd Driest	Driest since: 1929	1997
Feb–Jun 1930 5-Month	8.31" (211.07mm)	9.93" (252.22mm)	-1.62" (-41.15mm)	77th Wettest	Wettest since: 1928	1998
Jan–Jun 1930 6-Month	12.90" (327.66mm)	14.18" (360.17mm)	-1.28" (-32.51mm)	63rd Driest	Driest since: 1929	2022
Jan–Jun 1930 6-Month	12.90" (327.66mm)	14.18" (360.17mm)	-1.28" (-32.51mm)	66th Wettest	Wettest since: 1927	1995
Dec 1929–Jun 1930 7-Month	17.28" (438.91mm)	17.80" (452.12mm)	-0.52" (-13.21mm)	73rd Driest	Driest since: 1929	1924
Dec 1929–Jun 1930 7-Month	17.28" (438.91mm)	17.80" (452.12mm)	-0.52" (-13.21mm)	55th Wettest	Wettest since: 1927	1998
Nov 1929–Jun 1930 8-Month	17.28" (438.91mm)	20.38" (517.65mm)	-3.10" (-78.74mm)	54th Driest	Driest since: 1929	1924
Nov 1929–Jun 1930 8-Month	17.28" (438.91mm)	20.38" (517.65mm)	-3.10" (-78.74mm)	74th Wettest	Wettest since: 1927	1983
Oct 1929–Jun 1930 9-Month	17.45" (443.23mm)	21.57" (547.88mm)	-4.12" (-104.65mm)	45th Driest	Driest since: 1929	1977
Oct 1929–Jun 1930 9-Month	17.45" (443.23mm)	21.57" (547.88mm)	-4.12" (-104.65mm)	83rd Wettest	Wettest since: 1928	1983
Sep 1929–Jun 1930 10-Month	17.73" (450.34mm)	22.02" (559.31mm)	-4.29" (-108.97mm)	45th Driest	Driest since: 1929	2021
Sep 1929–Jun 1930 10-Month	17.73" (450.34mm)	22.02" (559.31mm)	-4.29" (-108.97mm)	83rd Wettest	Wettest since: 1928	1983
Aug 1929–Jun 1930 11-Month	17.97" (456.44mm)	22.27" (565.66mm)	-4.30" (-109.22mm)	45th Driest	Driest since: 1929	2021
Aug 1929–Jun 1930 11-Month	17.97" (456.44mm)	22.27" (565.66mm)	-4.30" (-109.22mm)	83rd Wettest	Wettest since: 1928	1983
Jul 1929–Jun 1930 12-Month	18.00" (457.20mm)	22.44" (569.98mm)	-4.44" (-112.78mm)	43rd Driest	Driest since: 1929	2021
Jul 1929–Jun 1930 12-Month	18.00" (457.20mm)	22.44" (569.98mm)	-4.44" (-112.78mm)	85th Wettest	Wettest since: 1928	1983
Jan 1929–Jun 1930 18-Month	26.24" (666.50mm)	36.56" (928.62mm)	-10.32" (-262.12mm)	14th Driest	Driest since: 1929	2014
Jan 1929–Jun 1930 18-Month	26.24" (666.50mm)	36.56" (928.62mm)	-10.32" (-262.12mm)	114th Wettest	Wettest since: 1928	1983
Jul 1928–Jun 1930 24-Month	32.85" (834.39mm)	44.90" (1,140.46mm)	-12.05" (-306.07mm)	12th Driest	Driest since: 1924	1977
Jul 1928–Jun 1930 24-Month	32.85" (834.39mm)	44.90" (1,140.46mm)	-12.05" (-306.07mm)	115th Wettest	Wettest since: 1929	1983
Jul 1927–Jun 1930 36-Month	52.33" (1,329.18mm)	67.31" (1,709.67mm)	-14.98" (-380.49mm)	12th Driest	Driest to Date	2022
Jul 1927–Jun 1930 36-Month	52.33" (1,329.18mm)	67.31" (1,709.67mm)	-14.98" (-380.49mm)	114th Wettest	Wettest since: 1929	1984
Jul 1926–Jun 1930 48-Month	79.73" (2,025.14mm)	89.50" (2,273.30mm)	-9.77" (-248.16mm)	34th Driest	Driest since: 1926	2015
	79.73" (2,025.14mm)	89.50" (2,273.30mm)	-9.77" (-248.16mm)	91st Wettest	Wettest since: 1929	1998
	Ties: 1989
Jul 1925–Jun 1930 60-Month	98.37" (2,498.60mm)	111.68" (2,836.67mm)	-13.31" (-338.07mm)	24th Driest	Driest since: 1926	1991
Jul 1925–Jun 1930 60-Month	98.37" (2,498.60mm)	111.68" (2,836.67mm)	-13.31" (-338.07mm)	100th Wettest	Wettest since: 1929	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings