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 1978

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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 1978 1-Month	0.17" (4.32mm)	0.35" (8.89mm)	-0.18" (-4.57mm)	47th Driest	Driest since: 1976	1915, 1917, 1919, 1935, 1960
June 1978 1-Month	0.17" (4.32mm)	0.35" (8.89mm)	-0.18" (-4.57mm)	82nd Wettest	Wettest since: 1977	1929
May–Jun 1978 2-Month	0.55" (13.97mm)	1.23" (31.24mm)	-0.68" (-17.27mm)	23rd Driest	Driest since: 1976	1924
May–Jun 1978 2-Month	0.55" (13.97mm)	1.23" (31.24mm)	-0.68" (-17.27mm)	106th Wettest	Wettest since: 1977	1998
Apr–Jun 1978 3-Month	4.03" (102.36mm)	2.86" (72.64mm)	1.17" (29.72mm)	103rd Driest	Driest since: 1977	2021
Apr–Jun 1978 3-Month	4.03" (102.36mm)	2.86" (72.64mm)	1.17" (29.72mm)	26th Wettest	Wettest since: 1967	1948
Mar–Jun 1978 4-Month	9.78" (248.41mm)	6.08" (154.43mm)	3.70" (93.98mm)	113th Driest	Driest since: 1977	2008
Mar–Jun 1978 4-Month	9.78" (248.41mm)	6.08" (154.43mm)	3.70" (93.98mm)	16th Wettest	Wettest since: 1967	1995
Feb–Jun 1978 5-Month	15.55" (394.97mm)	9.93" (252.22mm)	5.62" (142.75mm)	118th Driest	Driest since: 1977	1997
Feb–Jun 1978 5-Month	15.55" (394.97mm)	9.93" (252.22mm)	5.62" (142.75mm)	11th Wettest	Wettest since: 1958	1998
Jan–Jun 1978 6-Month	23.52" (597.41mm)	14.18" (360.17mm)	9.34" (237.24mm)	122nd Driest	Driest since: 1977	2022
Jan–Jun 1978 6-Month	23.52" (597.41mm)	14.18" (360.17mm)	9.34" (237.24mm)	7th Wettest	Wettest since: 1958	1995
Dec 1977–Jun 1978 7-Month	29.43" (747.52mm)	17.80" (452.12mm)	11.63" (295.40mm)	123rd Driest	Driest since: 1977	1924
Dec 1977–Jun 1978 7-Month	29.43" (747.52mm)	17.80" (452.12mm)	11.63" (295.40mm)	5th Wettest	Wettest since: 1941	1998
Nov 1977–Jun 1978 8-Month	31.61" (802.89mm)	20.38" (517.65mm)	11.23" (285.24mm)	122nd Driest	Driest since: 1977	1924
Nov 1977–Jun 1978 8-Month	31.61" (802.89mm)	20.38" (517.65mm)	11.23" (285.24mm)	6th Wettest	Wettest since: 1941	1983
Oct 1977–Jun 1978 9-Month	32.11" (815.59mm)	21.57" (547.88mm)	10.54" (267.71mm)	120th Driest	Driest since: 1977	1977
Oct 1977–Jun 1978 9-Month	32.11" (815.59mm)	21.57" (547.88mm)	10.54" (267.71mm)	8th Wettest	Wettest since: 1958	1983
Sep 1977–Jun 1978 10-Month	32.98" (837.69mm)	22.02" (559.31mm)	10.96" (278.38mm)	121st Driest	Driest since: 1977	2021
	32.98" (837.69mm)	22.02" (559.31mm)	10.96" (278.38mm)	7th Wettest	Wettest since: 1958	1983
	Ties: 1938
Aug 1977–Jun 1978 11-Month	33.73" (856.74mm)	22.27" (565.66mm)	11.46" (291.08mm)	122nd Driest	Driest since: 1977	2021
Aug 1977–Jun 1978 11-Month	33.73" (856.74mm)	22.27" (565.66mm)	11.46" (291.08mm)	6th Wettest	Wettest since: 1941	1983
Jul 1977–Jun 1978 12-Month	33.81" (858.77mm)	22.44" (569.98mm)	11.37" (288.79mm)	122nd Driest	Driest since: 1977	2021
Jul 1977–Jun 1978 12-Month	33.81" (858.77mm)	22.44" (569.98mm)	11.37" (288.79mm)	6th Wettest	Wettest since: 1941	1983
Jan 1977–Jun 1978 18-Month	41.05" (1,042.67mm)	36.56" (928.62mm)	4.49" (114.05mm)	98th Driest	Driest since: 1977	2014
Jan 1977–Jun 1978 18-Month	41.05" (1,042.67mm)	36.56" (928.62mm)	4.49" (114.05mm)	30th Wettest	Wettest since: 1974	1983
Jul 1976–Jun 1978 24-Month	45.17" (1,147.32mm)	44.90" (1,140.46mm)	0.27" (6.86mm)	69th Driest	Driest since: 1977	1977
Jul 1976–Jun 1978 24-Month	45.17" (1,147.32mm)	44.90" (1,140.46mm)	0.27" (6.86mm)	58th Wettest	Wettest since: 1975	1983
Jul 1975–Jun 1978 36-Month	58.47" (1,485.14mm)	67.31" (1,709.67mm)	-8.84" (-224.53mm)	33rd Driest	Driest since: 1977	2022
Jul 1975–Jun 1978 36-Month	58.47" (1,485.14mm)	67.31" (1,709.67mm)	-8.84" (-224.53mm)	93rd Wettest	Wettest since: 1976	1984
Jul 1974–Jun 1978 48-Month	80.29" (2,039.37mm)	89.50" (2,273.30mm)	-9.21" (-233.93mm)	40th Driest	Driest since: 1977	2015
Jul 1974–Jun 1978 48-Month	80.29" (2,039.37mm)	89.50" (2,273.30mm)	-9.21" (-233.93mm)	85th Wettest	Wettest since: 1976	1998
Jul 1973–Jun 1978 60-Month	108.40" (2,753.36mm)	111.68" (2,836.67mm)	-3.28" (-83.31mm)	63rd Driest	Driest since: 1977	1991
Jul 1973–Jun 1978 60-Month	108.40" (2,753.36mm)	111.68" (2,836.67mm)	-3.28" (-83.31mm)	61st Wettest	Wettest since: 1975	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings