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 (11.69")
1901-1941 Base Period
189512 - 189604 11.98" 29 0.29"
189612 - 189704 12.72" 39 1.03"
189712 - 189804 11.08" 11 -0.61"
189812 - 189904 11.21" 14 -0.48"
189912 - 190004 12.31" 35 0.62"
190012 - 190104 10.60" 8 -1.09"
190112 - 190204 11.36" 16 -0.33"
190212 - 190304 13.23" 42 1.54"
190312 - 190404 10.90" 10 -0.79"
190412 - 190504 12.43" 38 0.74"
190512 - 190604 11.89" 26 0.20"
190612 - 190704 12.22" 33 0.53"
190712 - 190804 12.19" 32 0.50"
190812 - 190904 11.84" 23 0.15"
190912 - 191004 9.94" 2 -1.75"
191012 - 191104 10.82" 9 -0.87"
191112 - 191204 13.53" 46 1.84"
191212 - 191304 11.91" 27 0.22"
191312 - 191404 11.47" 19 -0.22"
191412 - 191504 11.85" 24 0.16"
191512 - 191604 12.41" 37 0.72"
191612 - 191704 11.34" 15 -0.35"
191712 - 191804 10.46" 6 -1.23"
191812 - 191904 12.33" 36 0.64"
191912 - 192004 11.71" 21 0.02"
192012 - 192104 11.94" 28 0.25"
192112 - 192204 13.25" 43 1.56"
192212 - 192304 12.23" 34 0.54"
192312 - 192404 11.14" 13 -0.55"
192412 - 192504 10.35" 5 -1.34"
192512 - 192604 10.56" 7 -1.13"
192612 - 192704 12.80" 40 1.11"
192712 - 192804 11.11" 12 -0.58"
192812 - 192904 11.86" 25 0.17"
192912 - 193004 10.34" 4 -1.35"
193012 - 193104 9.06" 1 -2.63"
193112 - 193204 13.31" 44 1.62"
193212 - 193304 12.12" 31 0.43"
193312 - 193404 10.24" 3 -1.45"
193412 - 193504 11.49" 20 -0.20"
193512 - 193604 11.37" 18 -0.32"
193612 - 193704 13.49" 45 1.80"
193712 - 193804 12.94" 41 1.25"
193812 - 193904 11.36" 16 -0.33"
193912 - 194004 12.10" 30 0.41"
194012 - 194104 11.79" 22 0.10"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/