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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Download: xml csv json
Date Value Rank Departure From Mean (2.50")
1901-1954 Base Period
189504 1.99" 6 -0.51"
189604 2.59" 35 0.09"
189704 2.42" 31 -0.08"
189804 2.02" 9 -0.48"
189904 1.78" 3 -0.72"
190004 3.41" 60 0.91"
190104 2.53" 32 0.03"
190204 1.85" 5 -0.65"
190304 1.99" 6 -0.51"
190404 2.12" 18 -0.38"
190504 2.80" 43 0.30"
190604 2.08" 13 -0.42"
190704 2.32" 25 -0.18"
190804 2.69" 39 0.19"
190904 2.28" 24 -0.22"
191004 2.06" 11 -0.44"
191104 2.85" 47 0.35"
191204 3.34" 59 0.84"
191304 2.05" 10 -0.45"
191404 2.73" 41 0.23"
191504 2.32" 25 -0.18"
191604 2.09" 15 -0.41"
191704 2.68" 37 0.18"
191804 2.82" 44 0.32"
191904 2.41" 30 -0.09"
192004 3.30" 58 0.80"
192104 2.79" 42 0.29"
192204 3.08" 56 0.58"
192304 2.84" 46 0.34"
192404 2.26" 23 -0.24"
192504 2.10" 17 -0.40"
192604 2.18" 22 -0.32"
192704 3.05" 55 0.55"
192804 2.92" 48 0.42"
192904 2.93" 49 0.43"
193004 1.83" 4 -0.67"
193104 2.07" 12 -0.43"
193204 2.14" 20 -0.36"
193304 2.54" 34 0.04"
193404 1.77" 2 -0.73"
193504 2.73" 41 0.23"
193604 2.00" 8 -0.50"
193704 2.68" 37 0.18"
193804 2.69" 39 0.19"
193904 2.16" 21 -0.34"
194004 3.04" 53 0.54"
194104 3.01" 52 0.51"
194204 2.84" 46 0.34"
194304 2.13" 19 -0.37"
194404 3.30" 58 0.80"
194504 3.05" 55 0.55"
194604 1.66" 1 -0.84"
194704 3.01" 52 0.51"
194804 2.54" 34 0.04"
194904 2.09" 15 -0.41"
195004 2.08" 13 -0.42"
195104 2.35" 27 -0.15"
195204 2.40" 28 -0.10"
195304 2.96" 50 0.46"
195404 2.40" 28 -0.10"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/