Climate at a Glance

Regional Time Series

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Please note, Palmer Indices are not available for NWS Regions. 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 (10.82")
1901-1938 Base Period
189501 - 189506 12.64" 34 1.82"
189601 - 189606 13.67" 36 2.85"
189701 - 189706 11.57" 27 0.75"
189801 - 189806 6.97" 5 -3.85"
189901 - 189906 10.47" 23 -0.35"
190001 - 190006 8.19" 9 -2.63"
190101 - 190106 11.60" 28 0.78"
190201 - 190206 11.11" 26 0.29"
190301 - 190306 10.12" 20 -0.70"
190401 - 190406 14.05" 37 3.23"
190501 - 190506 11.96" 31 1.14"
190601 - 190606 17.47" 44 6.65"
190701 - 190706 16.66" 42 5.84"
190801 - 190806 8.71" 12 -2.11"
190901 - 190906 15.57" 41 4.75"
191001 - 191006 6.59" 4 -4.23"
191101 - 191106 15.00" 40 4.18"
191201 - 191206 9.45" 18 -1.37"
191301 - 191306 8.91" 13 -1.91"
191401 - 191406 14.38" 38 3.56"
191501 - 191506 14.82" 39 4.00"
191601 - 191606 13.33" 35 2.51"
191701 - 191706 9.01" 14 -1.81"
191801 - 191806 10.44" 22 -0.38"
191901 - 191906 9.19" 16 -1.63"
192001 - 192006 8.61" 10 -2.21"
192101 - 192106 9.52" 19 -1.30"
192201 - 192206 10.61" 24 -0.21"
192301 - 192306 7.30" 6 -3.52"
192401 - 192406 4.71" 1 -6.11"
192501 - 192506 10.82" 25 0.00"
192601 - 192606 9.40" 17 -1.42"
192701 - 192706 11.72" 29 0.90"
192801 - 192806 7.91" 8 -2.91"
192901 - 192906 6.54" 3 -4.28"
193001 - 193006 10.35" 21 -0.47"
193101 - 193106 7.66" 7 -3.16"
193201 - 193206 9.02" 15 -1.80"
193301 - 193306 8.65" 11 -2.17"
193401 - 193406 6.37" 2 -4.45"
193501 - 193506 11.78" 30 0.96"
193601 - 193606 12.64" 34 1.82"
193701 - 193706 12.30" 32 1.48"
193801 - 193806 16.71" 43 5.89"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/