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 (43.06")
1901-1941 Base Period
189511 - 189704 45.81" 41 2.75"
189611 - 189804 42.79" 20 -0.27"
189711 - 189904 43.91" 23 0.85"
189811 - 190004 42.64" 18 -0.42"
189911 - 190104 43.92" 24 0.86"
190011 - 190204 40.42" 9 -2.64"
190111 - 190304 44.98" 34 1.92"
190211 - 190404 44.74" 29 1.68"
190311 - 190504 41.49" 12 -1.57"
190411 - 190604 45.37" 38 2.31"
190511 - 190704 46.67" 45 3.61"
190611 - 190804 45.81" 41 2.75"
190711 - 190904 44.85" 31 1.79"
190811 - 191004 41.93" 14 -1.13"
190911 - 191104 39.59" 5 -3.47"
191011 - 191204 43.55" 22 0.49"
191111 - 191304 45.35" 37 2.29"
191211 - 191404 42.62" 17 -0.44"
191311 - 191504 42.78" 19 -0.28"
191411 - 191604 46.56" 43 3.50"
191511 - 191704 43.31" 21 0.25"
191611 - 191804 37.84" 2 -5.22"
191711 - 191904 41.06" 11 -2.00"
191811 - 192004 46.64" 44 3.58"
191911 - 192104 45.10" 36 2.04"
192011 - 192204 44.80" 30 1.74"
192111 - 192304 44.10" 27 1.04"
192211 - 192404 44.74" 29 1.68"
192311 - 192504 38.96" 3 -4.10"
192411 - 192604 39.85" 6 -3.21"
192511 - 192704 44.89" 32 1.83"
192611 - 192804 46.03" 42 2.97"
192711 - 192904 45.05" 35 1.99"
192811 - 193004 42.17" 15 -0.89"
192911 - 193104 37.53" 1 -5.53"
193011 - 193204 41.01" 10 -2.05"
193111 - 193304 45.56" 39 2.50"
193211 - 193404 40.02" 7 -3.04"
193311 - 193504 39.07" 4 -3.99"
193411 - 193604 44.00" 26 0.94"
193511 - 193704 41.79" 13 -1.27"
193611 - 193804 44.95" 33 1.89"
193711 - 193904 43.98" 25 0.92"
193811 - 194004 40.27" 8 -2.79"
193911 - 194104 42.23" 16 -0.83"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/