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, September 1958

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
September 1958 1-Month	2.26" (57.40mm)	3.60" (91.44mm)	-1.34" (-34.04mm)	30th Driest	Driest since: 1953	1941
September 1958 1-Month	2.26" (57.40mm)	3.60" (91.44mm)	-1.34" (-34.04mm)	99th Wettest	Wettest since: 1957	1935
Aug–Sep 1958 2-Month	11.51" (292.35mm)	8.19" (208.03mm)	3.32" (84.32mm)	112th Driest	Driest since: 1957	2005
Aug–Sep 1958 2-Month	11.51" (292.35mm)	8.19" (208.03mm)	3.32" (84.32mm)	17th Wettest	Wettest since: 1955	1928
Jul–Sep 1958 3-Month	18.06" (458.72mm)	12.51" (317.75mm)	5.55" (140.97mm)	116th Driest	Driest since: 1957	1968
Jul–Sep 1958 3-Month	18.06" (458.72mm)	12.51" (317.75mm)	5.55" (140.97mm)	13th Wettest	Wettest since: 1938	1938
Jun–Sep 1958 4-Month	22.45" (570.23mm)	16.14" (409.96mm)	6.31" (160.27mm)	117th Driest	Driest since: 1957	1968
Jun–Sep 1958 4-Month	22.45" (570.23mm)	16.14" (409.96mm)	6.31" (160.27mm)	12th Wettest	Wettest since: 1945	1938
May–Sep 1958 5-Month	26.94" (684.28mm)	19.70" (500.38mm)	7.24" (183.90mm)	116th Driest	Driest since: 1957	1964
May–Sep 1958 5-Month	26.94" (684.28mm)	19.70" (500.38mm)	7.24" (183.90mm)	13th Wettest	Wettest since: 1948	1989
Apr–Sep 1958 6-Month	31.60" (802.64mm)	23.18" (588.77mm)	8.42" (213.87mm)	120th Driest	Driest since: 1957	1986
Apr–Sep 1958 6-Month	31.60" (802.64mm)	23.18" (588.77mm)	8.42" (213.87mm)	9th Wettest	Wettest since: 1938	1989
Mar–Sep 1958 7-Month	38.16" (969.26mm)	27.16" (689.86mm)	11.00" (279.40mm)	127th Driest	Driest since: 1957	1986
Mar–Sep 1958 7-Month	38.16" (969.26mm)	27.16" (689.86mm)	11.00" (279.40mm)	2nd Wettest	Wettest to Date	1989
Feb–Sep 1958 8-Month	42.43" (1,077.72mm)	30.20" (767.08mm)	12.23" (310.64mm)	127th Driest	Driest since: 1957	1930
Feb–Sep 1958 8-Month	42.43" (1,077.72mm)	30.20" (767.08mm)	12.23" (310.64mm)	2nd Wettest	Wettest to Date	1989
Jan–Sep 1958 9-Month	45.93" (1,166.62mm)	33.69" (855.73mm)	12.24" (310.89mm)	126th Driest	Driest since: 1957	1930
Jan–Sep 1958 9-Month	45.93" (1,166.62mm)	33.69" (855.73mm)	12.24" (310.89mm)	3rd Wettest	Wettest to Date	1989
Dec 1957–Sep 1958 10-Month	51.58" (1,310.13mm)	37.15" (943.61mm)	14.43" (366.52mm)	127th Driest	Driest since: 1957	1986
Dec 1957–Sep 1958 10-Month	51.58" (1,310.13mm)	37.15" (943.61mm)	14.43" (366.52mm)	1st Wettest	Wettest to Date	1958
Nov 1957–Sep 1958 11-Month	55.92" (1,420.37mm)	40.22" (1,021.59mm)	15.70" (398.78mm)	127th Driest	Driest since: 1957	1930
Nov 1957–Sep 1958 11-Month	55.92" (1,420.37mm)	40.22" (1,021.59mm)	15.70" (398.78mm)	1st Wettest	Wettest to Date	1958
Oct 1957–Sep 1958 12-Month	58.75" (1,492.25mm)	43.37" (1,101.60mm)	15.38" (390.65mm)	126th Driest	Driest since: 1957	1986
Oct 1957–Sep 1958 12-Month	58.75" (1,492.25mm)	43.37" (1,101.60mm)	15.38" (390.65mm)	2nd Wettest	Wettest to Date	2003
Apr 1957–Sep 1958 18-Month	74.65" (1,896.11mm)	66.48" (1,688.59mm)	8.17" (207.52mm)	100th Driest	Driest since: 1957	1966
Apr 1957–Sep 1958 18-Month	74.65" (1,896.11mm)	66.48" (1,688.59mm)	8.17" (207.52mm)	28th Wettest	Wettest since: 1952	2010
Oct 1956–Sep 1958 24-Month	98.22" (2,494.79mm)	86.63" (2,200.40mm)	11.59" (294.39mm)	109th Driest	Driest since: 1957	1966
Oct 1956–Sep 1958 24-Month	98.22" (2,494.79mm)	86.63" (2,200.40mm)	11.59" (294.39mm)	18th Wettest	Wettest since: 1953	2004
Oct 1955–Sep 1958 36-Month	136.86" (3,476.24mm)	129.92" (3,299.97mm)	6.94" (176.27mm)	81st Driest	Driest since: 1957	1966
Oct 1955–Sep 1958 36-Month	136.86" (3,476.24mm)	129.92" (3,299.97mm)	6.94" (176.27mm)	45th Wettest	Wettest since: 1954	1935
Oct 1954–Sep 1958 48-Month	179.68" (4,563.87mm)	173.15" (4,398.01mm)	6.53" (165.86mm)	76th Driest	Driest since: 1957	1966
Oct 1954–Sep 1958 48-Month	179.68" (4,563.87mm)	173.15" (4,398.01mm)	6.53" (165.86mm)	49th Wettest	Wettest since: 1955	1936
Oct 1953–Sep 1958 60-Month	216.47" (5,498.34mm)	216.34" (5,495.04mm)	0.13" (3.30mm)	50th Driest	Driest since: 1957	1966
Oct 1953–Sep 1958 60-Month	216.47" (5,498.34mm)	216.34" (5,495.04mm)	0.13" (3.30mm)	74th Wettest	Wettest since: 1956	1937

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings