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.

Arizona

Precipitation Rankings, July 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
July 1978 1-Month	1.14" (28.96mm)	1.80" (45.72mm)	-0.66" (-16.76mm)	28th Driest	Driest since: 1963	1993
	1.14" (28.96mm)	1.80" (45.72mm)	-0.66" (-16.76mm)	101st Wettest	Wettest since: 1977	1919
	Ties: 2004
Jun–Jul 1978 2-Month	1.27" (32.26mm)	2.09" (53.09mm)	-0.82" (-20.83mm)	24th Driest	Driest since: 1971	1993
	1.27" (32.26mm)	2.09" (53.09mm)	-0.82" (-20.83mm)	105th Wettest	Wettest since: 1977	1919
	Ties: 1942
May–Jul 1978 3-Month	1.78" (45.21mm)	2.43" (61.72mm)	-0.65" (-16.51mm)	29th Driest	Driest since: 1971	1963, 2020
May–Jul 1978 3-Month	1.78" (45.21mm)	2.43" (61.72mm)	-0.65" (-16.51mm)	100th Wettest	Wettest since: 1977	1919
Apr–Jul 1978 4-Month	2.34" (59.44mm)	3.00" (76.20mm)	-0.66" (-16.76mm)	33rd Driest	Driest since: 1971	1993
Apr–Jul 1978 4-Month	2.34" (59.44mm)	3.00" (76.20mm)	-0.66" (-16.76mm)	96th Wettest	Wettest since: 1977	1919
Mar–Jul 1978 5-Month	5.19" (131.83mm)	4.12" (104.65mm)	1.07" (27.18mm)	107th Driest	Driest since: 1977	2002
Mar–Jul 1978 5-Month	5.19" (131.83mm)	4.12" (104.65mm)	1.07" (27.18mm)	22nd Wettest	Wettest since: 1973	1912
Feb–Jul 1978 6-Month	7.50" (190.50mm)	5.26" (133.60mm)	2.24" (56.90mm)	118th Driest	Driest since: 1977	2002
Feb–Jul 1978 6-Month	7.50" (190.50mm)	5.26" (133.60mm)	2.24" (56.90mm)	11th Wettest	Wettest since: 1973	1905
Jan–Jul 1978 7-Month	10.42" (264.67mm)	6.41" (162.81mm)	4.01" (101.86mm)	125th Driest	Driest since: 1977	2002
Jan–Jul 1978 7-Month	10.42" (264.67mm)	6.41" (162.81mm)	4.01" (101.86mm)	4th Wettest	Wettest since: 1941	1905
Dec 1977–Jul 1978 8-Month	11.30" (287.02mm)	7.59" (192.79mm)	3.71" (94.23mm)	120th Driest	Driest since: 1977	2002
Dec 1977–Jul 1978 8-Month	11.30" (287.02mm)	7.59" (192.79mm)	3.71" (94.23mm)	8th Wettest	Wettest since: 1941	1905
Nov 1977–Jul 1978 9-Month	11.65" (295.91mm)	8.44" (214.38mm)	3.21" (81.53mm)	116th Driest	Driest since: 1977	2002
Nov 1977–Jul 1978 9-Month	11.65" (295.91mm)	8.44" (214.38mm)	3.21" (81.53mm)	12th Wettest	Wettest since: 1941	1941
Oct 1977–Jul 1978 10-Month	12.86" (326.64mm)	9.31" (236.47mm)	3.55" (90.17mm)	119th Driest	Driest since: 1977	2002
Oct 1977–Jul 1978 10-Month	12.86" (326.64mm)	9.31" (236.47mm)	3.55" (90.17mm)	9th Wettest	Wettest since: 1973	1941
Sep 1977–Jul 1978 11-Month	14.18" (360.17mm)	10.51" (266.95mm)	3.67" (93.22mm)	117th Driest	Driest since: 1977	2002
Sep 1977–Jul 1978 11-Month	14.18" (360.17mm)	10.51" (266.95mm)	3.67" (93.22mm)	11th Wettest	Wettest since: 1973	1941
Aug 1977–Jul 1978 12-Month	16.15" (410.21mm)	12.59" (319.79mm)	3.56" (90.42mm)	111th Driest	Driest since: 1977	2002
Aug 1977–Jul 1978 12-Month	16.15" (410.21mm)	12.59" (319.79mm)	3.56" (90.42mm)	17th Wettest	Wettest since: 1973	1941
Feb 1977–Jul 1978 18-Month	19.76" (501.90mm)	17.86" (453.64mm)	1.90" (48.26mm)	101st Driest	Driest since: 1977	1900
Feb 1977–Jul 1978 18-Month	19.76" (501.90mm)	17.86" (453.64mm)	1.90" (48.26mm)	27th Wettest	Wettest since: 1973	1993
Aug 1976–Jul 1978 24-Month	25.62" (650.75mm)	25.18" (639.57mm)	0.44" (11.18mm)	79th Driest	Driest since: 1977	1900
Aug 1976–Jul 1978 24-Month	25.62" (650.75mm)	25.18" (639.57mm)	0.44" (11.18mm)	48th Wettest	Wettest since: 1973	1906
Aug 1975–Jul 1978 36-Month	36.90" (937.26mm)	37.73" (958.34mm)	-0.83" (-21.08mm)	68th Driest	Driest since: 1977	1904
Aug 1975–Jul 1978 36-Month	36.90" (937.26mm)	37.73" (958.34mm)	-0.83" (-21.08mm)	58th Wettest	Wettest since: 1975	1907
Aug 1974–Jul 1978 48-Month	48.60" (1,234.44mm)	50.23" (1,275.84mm)	-1.63" (-41.40mm)	65th Driest	Driest since: 1977	1902
Aug 1974–Jul 1978 48-Month	48.60" (1,234.44mm)	50.23" (1,275.84mm)	-1.63" (-41.40mm)	60th Wettest	Wettest since: 1973	1908
Aug 1973–Jul 1978 60-Month	55.93" (1,420.62mm)	62.77" (1,594.36mm)	-6.84" (-173.74mm)	27th Driest	Driest since: 1963	1904
Aug 1973–Jul 1978 60-Month	55.93" (1,420.62mm)	62.77" (1,594.36mm)	-6.84" (-173.74mm)	97th Wettest	Wettest since: 1977	1909

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings