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 (2.81")
1901-1940 Base Period
189505 2.88" 26 0.07"
189605 2.96" 28 0.15"
189705 2.12" 4 -0.69"
189805 3.23" 38 0.42"
189905 2.74" 23 -0.07"
190005 2.45" 14 -0.36"
190105 2.66" 22 -0.15"
190205 3.00" 30 0.19"
190305 3.01" 31 0.20"
190405 2.59" 18 -0.22"
190505 3.74" 44 0.93"
190605 3.16" 35 0.35"
190705 3.45" 41 0.64"
190805 4.13" 46 1.32"
190905 3.04" 32 0.23"
191005 2.59" 18 -0.22"
191105 1.97" 3 -0.84"
191205 2.89" 27 0.08"
191305 2.51" 16 -0.30"
191405 2.48" 15 -0.33"
191505 3.89" 45 1.08"
191605 2.88" 26 0.07"
191705 2.64" 21 -0.17"
191805 2.59" 18 -0.22"
191905 3.20" 37 0.39"
192005 2.79" 24 -0.02"
192105 2.55" 17 -0.26"
192205 3.11" 33 0.30"
192305 3.13" 34 0.32"
192405 2.42" 12 -0.39"
192505 1.92" 2 -0.89"
192605 2.21" 6 -0.60"
192705 2.99" 29 0.18"
192805 2.34" 11 -0.47"
192905 3.51" 42 0.70"
193005 3.17" 36 0.36"
193105 2.29" 9 -0.52"
193205 2.42" 12 -0.39"
193305 3.39" 40 0.58"
193405 1.81" 1 -1.00"
193505 3.72" 43 0.91"
193605 2.25" 8 -0.56"
193705 2.33" 10 -0.48"
193805 3.24" 39 0.43"
193905 2.20" 5 -0.61"
194005 2.22" 7 -0.59"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 24, 2019 from https://www.ncdc.noaa.gov/cag/