Climate at a Glance

National Time Series

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Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.


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Dates Value Rank Departure From Mean (9.86")
1901-1954 Base Period
189507 - 189510 8.19" 3 -1.67"
189607 - 189610 10.15" 36 0.29"
189707 - 189710 8.63" 9 -1.23"
189807 - 189810 10.77" 49 0.91"
189907 - 189910 9.16" 18 -0.70"
190007 - 190010 11.17" 55 1.31"
190107 - 190110 9.38" 22 -0.48"
190207 - 190210 10.06" 33 0.20"
190307 - 190310 9.90" 32 0.04"
190407 - 190410 9.61" 26 -0.25"
190507 - 190510 10.80" 50 0.94"
190607 - 190610 11.68" 58 1.82"
190707 - 190710 10.09" 35 0.23"
190807 - 190810 9.75" 28 -0.11"
190907 - 190910 9.26" 21 -0.60"
191007 - 191010 9.05" 16 -0.81"
191107 - 191110 11.16" 54 1.30"
191207 - 191210 10.68" 47 0.82"
191307 - 191310 10.19" 38 0.33"
191407 - 191410 10.31" 39 0.45"
191507 - 191510 11.62" 57 1.76"
191607 - 191610 9.83" 31 -0.03"
191707 - 191710 8.50" 8 -1.36"
191807 - 191810 10.16" 37 0.30"
191907 - 191910 11.31" 56 1.45"
192007 - 192010 10.71" 48 0.85"
192107 - 192110 9.49" 24 -0.37"
192207 - 192210 8.32" 5 -1.54"
192307 - 192310 10.98" 51 1.12"
192407 - 192410 9.03" 15 -0.83"
192507 - 192510 10.58" 45 0.72"
192607 - 192610 11.80" 59 1.94"
192707 - 192710 10.39" 41 0.53"
192807 - 192810 10.56" 44 0.70"
192907 - 192910 9.72" 27 -0.14"
193007 - 193010 8.39" 6 -1.47"
193107 - 193110 9.39" 23 -0.47"
193207 - 193210 10.09" 35 0.23"
193307 - 193310 9.75" 28 -0.11"
193407 - 193410 8.89" 13 -0.97"
193507 - 193510 9.19" 19 -0.67"
193607 - 193610 9.59" 25 -0.27"
193707 - 193710 9.78" 30 -0.08"
193807 - 193810 9.15" 17 -0.71"
193907 - 193910 8.29" 4 -1.57"
194007 - 194010 9.24" 20 -0.62"
194107 - 194110 12.86" 60 3.00"
194207 - 194210 10.48" 42 0.62"
194307 - 194310 8.48" 7 -1.38"
194407 - 194410 9.00" 14 -0.86"
194507 - 194510 11.09" 53 1.23"
194607 - 194610 10.51" 43 0.65"
194707 - 194710 8.82" 11 -1.04"
194807 - 194810 8.65" 10 -1.21"
194907 - 194910 10.59" 46 0.73"
195007 - 195010 11.00" 52 1.14"
195107 - 195110 10.33" 40 0.47"
195207 - 195210 7.08" 1 -2.78"
195307 - 195310 7.95" 2 -1.91"
195407 - 195410 8.83" 12 -1.03"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 21, 2019 from https://www.ncdc.noaa.gov/cag/