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 (43.43")
1901-1954 Base Period
189511 - 189704 45.81" 51 2.38"
189611 - 189804 42.79" 22 -0.64"
189711 - 189904 43.91" 27 0.48"
189811 - 190004 42.64" 20 -0.79"
189911 - 190104 43.92" 28 0.49"
190011 - 190204 40.42" 9 -3.01"
190111 - 190304 44.98" 42 1.55"
190211 - 190404 44.74" 36 1.31"
190311 - 190504 41.49" 12 -1.94"
190411 - 190604 45.37" 47 1.94"
190511 - 190704 46.67" 56 3.24"
190611 - 190804 45.81" 51 2.38"
190711 - 190904 44.85" 39 1.42"
190811 - 191004 41.93" 15 -1.50"
190911 - 191104 39.59" 5 -3.84"
191011 - 191204 43.55" 25 0.12"
191111 - 191304 45.35" 46 1.92"
191211 - 191404 42.62" 19 -0.81"
191311 - 191504 42.78" 21 -0.65"
191411 - 191604 46.56" 54 3.13"
191511 - 191704 43.31" 24 -0.12"
191611 - 191804 37.84" 2 -5.59"
191711 - 191904 41.06" 11 -2.37"
191811 - 192004 46.64" 55 3.21"
191911 - 192104 45.10" 45 1.67"
192011 - 192204 44.80" 38 1.37"
192111 - 192304 44.10" 31 0.67"
192211 - 192404 44.74" 36 1.31"
192311 - 192504 38.96" 3 -4.47"
192411 - 192604 39.85" 6 -3.58"
192511 - 192704 44.89" 40 1.46"
192611 - 192804 46.03" 52 2.60"
192711 - 192904 45.05" 44 1.62"
192811 - 193004 42.17" 17 -1.26"
192911 - 193104 37.53" 1 -5.90"
193011 - 193204 41.01" 10 -2.42"
193111 - 193304 45.56" 48 2.13"
193211 - 193404 40.02" 7 -3.41"
193311 - 193504 39.07" 4 -4.36"
193411 - 193604 44.00" 30 0.57"
193511 - 193704 41.79" 14 -1.64"
193611 - 193804 44.95" 41 1.52"
193711 - 193904 43.98" 29 0.55"
193811 - 194004 40.27" 8 -3.16"
193911 - 194104 42.23" 18 -1.20"
194011 - 194204 47.44" 58 4.01"
194111 - 194304 44.35" 32 0.92"
194211 - 194404 43.03" 23 -0.40"
194311 - 194504 44.52" 34 1.09"
194411 - 194604 46.70" 57 3.27"
194511 - 194704 44.77" 37 1.34"
194611 - 194804 44.43" 33 1.00"
194711 - 194904 45.58" 49 2.15"
194811 - 195004 46.44" 53 3.01"
194911 - 195104 43.84" 26 0.41"
195011 - 195204 45.05" 44 1.62"
195111 - 195304 42.16" 16 -1.27"
195211 - 195404 41.50" 13 -1.93"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 20, 2019 from https://www.ncdc.noaa.gov/cag/