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 (23.69")
1901-1941 Base Period
189507 - 189604 22.46" 11 -1.23"
189607 - 189704 25.94" 41 2.25"
189707 - 189804 22.00" 7 -1.69"
189807 - 189904 24.24" 30 0.55"
189907 - 190004 23.46" 21 -0.23"
190007 - 190104 24.14" 27 0.45"
190107 - 190204 22.19" 10 -1.50"
190207 - 190304 26.28" 43 2.59"
190307 - 190404 22.63" 14 -1.06"
190407 - 190504 23.06" 17 -0.63"
190507 - 190604 24.88" 36 1.19"
190607 - 190704 26.39" 44 2.70"
190707 - 190804 24.53" 32 0.84"
190807 - 190904 23.26" 18 -0.43"
190907 - 191004 22.15" 9 -1.54"
191007 - 191104 21.63" 6 -2.06"
191107 - 191204 26.80" 45 3.11"
191207 - 191304 24.11" 26 0.42"
191307 - 191404 23.97" 24 0.28"
191407 - 191504 23.67" 22 -0.02"
191507 - 191604 26.13" 42 2.44"
191607 - 191704 22.68" 16 -1.01"
191707 - 191804 19.91" 2 -3.78"
191807 - 191904 24.81" 34 1.12"
191907 - 192004 25.82" 40 2.13"
192007 - 192104 24.91" 37 1.22"
192107 - 192204 25.15" 38 1.46"
192207 - 192304 22.63" 14 -1.06"
192307 - 192404 24.00" 25 0.31"
192407 - 192504 20.75" 3 -2.94"
192507 - 192604 23.30" 19 -0.39"
192607 - 192704 27.47" 46 3.78"
192707 - 192804 24.25" 31 0.56"
192807 - 192904 24.57" 33 0.88"
192907 - 193004 22.02" 8 -1.67"
193007 - 193104 19.73" 1 -3.96"
193107 - 193204 25.24" 39 1.55"
193207 - 193304 24.23" 29 0.54"
193307 - 193404 21.04" 4 -2.65"
193407 - 193504 23.38" 20 -0.31"
193507 - 193604 22.60" 13 -1.09"
193607 - 193704 24.22" 28 0.53"
193707 - 193804 24.88" 36 1.19"
193807 - 193904 22.52" 12 -1.17"
193907 - 194004 21.38" 5 -2.31"
194007 - 194104 23.94" 23 0.25"

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/