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 (16.58")
1901-1944 Base Period
189511 - 189605 17.23" 30 0.65"
189611 - 189705 17.91" 40 1.33"
189711 - 189805 16.60" 23 0.02"
189811 - 189905 16.21" 19 -0.37"
189911 - 190005 16.75" 24 0.17"
190011 - 190105 15.63" 14 -0.95"
190111 - 190205 15.81" 16 -0.77"
190211 - 190305 19.23" 49 2.65"
190311 - 190405 15.32" 8 -1.26"
190411 - 190505 17.19" 28 0.61"
190511 - 190605 17.24" 31 0.66"
190611 - 190705 18.16" 41 1.58"
190711 - 190805 18.57" 46 1.99"
190811 - 190905 16.55" 21 -0.03"
190911 - 191005 15.48" 11 -1.10"
191011 - 191105 14.55" 5 -2.03"
191111 - 191205 18.53" 45 1.95"
191211 - 191305 15.94" 17 -0.64"
191311 - 191405 16.26" 20 -0.32"
191411 - 191505 17.25" 32 0.67"
191511 - 191605 17.39" 35 0.81"
191611 - 191705 15.49" 12 -1.09"
191711 - 191805 14.00" 4 -2.58"
191811 - 191905 17.85" 39 1.27"
191911 - 192005 17.30" 33 0.72"
192011 - 192105 16.75" 25 0.17"
192111 - 192205 18.77" 48 2.19"
192211 - 192305 17.44" 36 0.86"
192311 - 192405 15.44" 9 -1.14"
192411 - 192505 13.64" 3 -2.94"
192511 - 192605 14.93" 6 -1.65"
192611 - 192705 18.66" 47 2.08"
192711 - 192805 16.20" 18 -0.38"
192811 - 192905 17.52" 37 0.94"
192911 - 193005 15.47" 10 -1.11"
193011 - 193105 13.63" 2 -2.95"
193111 - 193205 18.27" 43 1.69"
193211 - 193305 17.53" 38 0.95"
193311 - 193405 13.10" 1 -3.48"
193411 - 193505 18.21" 42 1.63"
193511 - 193605 15.66" 15 -0.92"
193611 - 193705 16.96" 26 0.38"
193711 - 193805 18.34" 44 1.76"
193811 - 193905 15.57" 13 -1.01"
193911 - 194005 15.31" 7 -1.27"
194011 - 194105 17.37" 34 0.79"
194111 - 194205 16.57" 22 -0.01"
194211 - 194305 17.23" 30 0.65"
194311 - 194405 17.05" 27 0.47"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 23, 2019 from https://www.ncdc.noaa.gov/cag/