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.

Delaware

Precipitation Rankings, October 1930

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1930 1-Month	1.47" (37.34mm)	3.13" (79.50mm)	-1.66" (-42.16mm)	17th Driest	Driest since: 1928	1963
October 1930 1-Month	1.47" (37.34mm)	3.13" (79.50mm)	-1.66" (-42.16mm)	112th Wettest	Wettest since: 1929	2012
Sep–Oct 1930 2-Month	3.79" (96.27mm)	6.73" (170.94mm)	-2.94" (-74.67mm)	9th Driest	Driest since: 1922	1941
Sep–Oct 1930 2-Month	3.79" (96.27mm)	6.73" (170.94mm)	-2.94" (-74.67mm)	120th Wettest	Wettest since: 1929	1935
Aug–Oct 1930 3-Month	5.42" (137.67mm)	11.33" (287.78mm)	-5.91" (-150.11mm)	1st Driest	Driest since: 1930	1930
Aug–Oct 1930 3-Month	5.42" (137.67mm)	11.33" (287.78mm)	-5.91" (-150.11mm)	128th Wettest	Wettest since: 1929	2009
Jul–Oct 1930 4-Month	8.84" (224.54mm)	15.64" (397.26mm)	-6.80" (-172.72mm)	2nd Driest	Driest since: 1930	1968
Jul–Oct 1930 4-Month	8.84" (224.54mm)	15.64" (397.26mm)	-6.80" (-172.72mm)	127th Wettest	Wettest since: 1929	2020
Jun–Oct 1930 5-Month	11.64" (295.66mm)	19.27" (489.46mm)	-7.63" (-193.80mm)	2nd Driest	Driest since: 1921	1921
Jun–Oct 1930 5-Month	11.64" (295.66mm)	19.27" (489.46mm)	-7.63" (-193.80mm)	127th Wettest	Wettest since: 1929	1989
May–Oct 1930 6-Month	14.21" (360.93mm)	22.83" (579.88mm)	-8.62" (-218.95mm)	2nd Driest	Driest since: 1930	1964
May–Oct 1930 6-Month	14.21" (360.93mm)	22.83" (579.88mm)	-8.62" (-218.95mm)	127th Wettest	Wettest since: 1929	1989
Apr–Oct 1930 7-Month	16.12" (409.45mm)	26.31" (668.27mm)	-10.19" (-258.82mm)	1st Driest	Driest since: 1930	1930
Apr–Oct 1930 7-Month	16.12" (409.45mm)	26.31" (668.27mm)	-10.19" (-258.82mm)	128th Wettest	Wettest since: 1929	1989
Mar–Oct 1930 8-Month	17.98" (456.69mm)	30.29" (769.37mm)	-12.31" (-312.68mm)	1st Driest	Driest since: 1930	1930
Mar–Oct 1930 8-Month	17.98" (456.69mm)	30.29" (769.37mm)	-12.31" (-312.68mm)	128th Wettest	Wettest since: 1929	1989
Feb–Oct 1930 9-Month	19.93" (506.22mm)	33.33" (846.58mm)	-13.40" (-340.36mm)	1st Driest	Driest since: 1930	1930
Feb–Oct 1930 9-Month	19.93" (506.22mm)	33.33" (846.58mm)	-13.40" (-340.36mm)	128th Wettest	Wettest since: 1929	1989
Jan–Oct 1930 10-Month	23.41" (594.61mm)	36.82" (935.23mm)	-13.41" (-340.62mm)	1st Driest	Driest since: 1930	1930
Jan–Oct 1930 10-Month	23.41" (594.61mm)	36.82" (935.23mm)	-13.41" (-340.62mm)	128th Wettest	Wettest since: 1929	1989
Dec 1929–Oct 1930 11-Month	25.92" (658.37mm)	40.29" (1,023.37mm)	-14.37" (-365.00mm)	1st Driest	Driest since: 1930	1930
Dec 1929–Oct 1930 11-Month	25.92" (658.37mm)	40.29" (1,023.37mm)	-14.37" (-365.00mm)	127th Wettest	Wettest since: 1929	1958
Nov 1929–Oct 1930 12-Month	28.43" (722.12mm)	43.35" (1,101.09mm)	-14.92" (-378.97mm)	1st Driest	Driest since: 1930	1930
Nov 1929–Oct 1930 12-Month	28.43" (722.12mm)	43.35" (1,101.09mm)	-14.92" (-378.97mm)	127th Wettest	Wettest since: 1929	1958
May 1929–Oct 1930 18-Month	46.40" (1,178.56mm)	66.15" (1,680.21mm)	-19.75" (-501.65mm)	1st Driest	Driest since: 1930	1930
May 1929–Oct 1930 18-Month	46.40" (1,178.56mm)	66.15" (1,680.21mm)	-19.75" (-501.65mm)	127th Wettest	Wettest since: 1929	2010
Nov 1928–Oct 1930 24-Month	67.22" (1,707.39mm)	86.62" (2,200.15mm)	-19.40" (-492.76mm)	1st Driest	Driest since: 1930	1930
Nov 1928–Oct 1930 24-Month	67.22" (1,707.39mm)	86.62" (2,200.15mm)	-19.40" (-492.76mm)	126th Wettest	Wettest since: 1929	1979
Nov 1927–Oct 1930 36-Month	116.04" (2,947.42mm)	129.89" (3,299.21mm)	-13.85" (-351.79mm)	13th Driest	Driest since: 1916	1931
Nov 1927–Oct 1930 36-Month	116.04" (2,947.42mm)	129.89" (3,299.21mm)	-13.85" (-351.79mm)	113th Wettest	Wettest since: 1929	1937
Nov 1926–Oct 1930 48-Month	156.11" (3,965.19mm)	173.11" (4,396.99mm)	-17.00" (-431.80mm)	11th Driest	Driest since: 1930	1966
Nov 1926–Oct 1930 48-Month	156.11" (3,965.19mm)	173.11" (4,396.99mm)	-17.00" (-431.80mm)	114th Wettest	Wettest since: 1929	1938
Nov 1925–Oct 1930 60-Month	198.71" (5,047.23mm)	216.32" (5,494.53mm)	-17.61" (-447.30mm)	10th Driest	Driest since: 1930	1966
Nov 1925–Oct 1930 60-Month	198.71" (5,047.23mm)	216.32" (5,494.53mm)	-17.61" (-447.30mm)	114th Wettest	Wettest since: 1929	1937

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings