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 (13.74")
1901-1941 Base Period
189511 - 189604 14.27" 29 0.53"
189611 - 189704 15.79" 44 2.05"
189711 - 189804 13.37" 16 -0.37"
189811 - 189904 13.47" 21 -0.27"
189911 - 190004 14.30" 30 0.56"
190011 - 190104 12.97" 12 -0.77"
190111 - 190204 12.81" 9 -0.93"
190211 - 190304 16.22" 46 2.48"
190311 - 190404 12.73" 8 -1.01"
190411 - 190504 13.45" 20 -0.29"
190511 - 190604 14.08" 26 0.34"
190611 - 190704 14.71" 39 0.97"
190711 - 190804 14.44" 32 0.70"
190811 - 190904 13.51" 22 -0.23"
190911 - 191004 12.89" 11 -0.85"
191011 - 191104 12.58" 6 -1.16"
191111 - 191204 15.64" 41 1.90"
191211 - 191304 13.43" 19 -0.31"
191311 - 191404 13.78" 23 0.04"
191411 - 191504 13.36" 15 -0.38"
191511 - 191604 14.51" 35 0.77"
191611 - 191704 12.85" 10 -0.89"
191711 - 191804 11.41" 3 -2.33"
191811 - 191904 14.65" 37 0.91"
191911 - 192004 14.51" 35 0.77"
192011 - 192104 14.20" 28 0.46"
192111 - 192204 15.66" 42 1.92"
192211 - 192304 14.31" 31 0.57"
192311 - 192404 13.02" 13 -0.72"
192411 - 192504 11.72" 4 -2.02"
192511 - 192604 12.72" 7 -1.02"
192611 - 192704 15.67" 43 1.93"
192711 - 192804 13.86" 24 0.12"
192811 - 192904 14.01" 25 0.27"
192911 - 193004 12.30" 5 -1.44"
193011 - 193104 11.34" 2 -2.40"
193111 - 193204 15.85" 45 2.11"
193211 - 193304 14.14" 27 0.40"
193311 - 193404 11.29" 1 -2.45"
193411 - 193504 14.49" 33 0.75"
193511 - 193604 13.41" 18 -0.33"
193611 - 193704 14.63" 36 0.89"
193711 - 193804 15.10" 40 1.36"
193811 - 193904 13.37" 16 -0.37"
193911 - 194004 13.09" 14 -0.65"
194011 - 194104 14.70" 38 0.96"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/