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 (11.71")
1901-1929 Base Period
189512 - 189604 11.98" 22 0.27"
189612 - 189704 12.72" 30 1.01"
189712 - 189804 11.08" 8 -0.63"
189812 - 189904 11.21" 11 -0.50"
189912 - 190004 12.31" 26 0.60"
190012 - 190104 10.60" 5 -1.11"
190112 - 190204 11.36" 13 -0.35"
190212 - 190304 13.23" 32 1.52"
190312 - 190404 10.90" 7 -0.81"
190412 - 190504 12.43" 29 0.72"
190512 - 190604 11.89" 19 0.18"
190612 - 190704 12.22" 24 0.51"
190712 - 190804 12.19" 23 0.48"
190812 - 190904 11.84" 16 0.13"
190912 - 191004 9.94" 1 -1.77"
191012 - 191104 10.82" 6 -0.89"
191112 - 191204 13.53" 34 1.82"
191212 - 191304 11.91" 20 0.20"
191312 - 191404 11.47" 14 -0.24"
191412 - 191504 11.85" 17 0.14"
191512 - 191604 12.41" 28 0.70"
191612 - 191704 11.34" 12 -0.37"
191712 - 191804 10.46" 3 -1.25"
191812 - 191904 12.33" 27 0.62"
191912 - 192004 11.71" 15 0.00"
192012 - 192104 11.94" 21 0.23"
192112 - 192204 13.25" 33 1.54"
192212 - 192304 12.23" 25 0.52"
192312 - 192404 11.14" 10 -0.57"
192412 - 192504 10.35" 2 -1.36"
192512 - 192604 10.56" 4 -1.15"
192612 - 192704 12.80" 31 1.09"
192712 - 192804 11.11" 9 -0.60"
192812 - 192904 11.86" 18 0.15"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/