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 (9.37")
1901-1941 Base Period
189501 - 189504 8.71" 9 -0.66"
189601 - 189604 9.45" 22 0.08"
189701 - 189704 11.22" 47 1.85"
189801 - 189804 8.52" 8 -0.85"
189901 - 189904 9.49" 24 0.12"
190001 - 190004 9.95" 36 0.58"
190101 - 190104 8.94" 13 -0.43"
190201 - 190204 8.76" 10 -0.61"
190301 - 190304 10.30" 42 0.93"
190401 - 190404 9.46" 23 0.09"
190501 - 190504 10.27" 41 0.90"
190601 - 190604 9.59" 28 0.22"
190701 - 190704 9.34" 20 -0.03"
190801 - 190804 9.50" 25 0.13"
190901 - 190904 10.11" 37 0.74"
191001 - 191004 7.34" 1 -2.03"
191101 - 191104 9.13" 15 -0.24"
191201 - 191204 10.58" 44 1.21"
191301 - 191304 9.81" 33 0.44"
191401 - 191404 9.16" 16 -0.21"
191501 - 191504 9.35" 21 -0.02"
191601 - 191604 9.78" 32 0.41"
191701 - 191704 9.16" 16 -0.21"
191801 - 191804 8.80" 11 -0.57"
191901 - 191904 9.67" 31 0.30"
192001 - 192004 9.90" 34 0.53"
192101 - 192104 9.19" 18 -0.18"
192201 - 192204 11.01" 46 1.64"
192301 - 192304 9.56" 26 0.19"
192401 - 192404 8.31" 6 -1.06"
192501 - 192504 7.73" 3 -1.64"
192601 - 192604 8.90" 12 -0.47"
192701 - 192704 10.13" 39 0.76"
192801 - 192804 8.43" 7 -0.94"
192901 - 192904 10.12" 38 0.75"
193001 - 193004 8.13" 5 -1.24"
193101 - 193104 7.78" 4 -1.59"
193201 - 193204 9.93" 35 0.56"
193301 - 193304 9.20" 19 -0.17"
193401 - 193404 7.58" 2 -1.79"
193501 - 193504 9.57" 27 0.20"
193601 - 193604 9.60" 29 0.23"
193701 - 193704 10.70" 45 1.33"
193801 - 193804 10.51" 43 1.14"
193901 - 193904 9.65" 30 0.28"
194001 - 194004 10.22" 40 0.85"
194101 - 194104 8.95" 14 -0.42"

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/