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 (7.72")
1901-1940 Base Period
189503 - 189505 6.86" 9 -0.86"
189603 - 189605 7.96" 29 0.24"
189703 - 189705 8.16" 32 0.44"
189803 - 189805 7.67" 23 -0.05"
189903 - 189905 7.34" 17 -0.38"
190003 - 190005 8.14" 31 0.42"
190103 - 190105 7.48" 18 -0.24"
190203 - 190205 7.75" 25 0.03"
190303 - 190305 8.01" 30 0.29"
190403 - 190405 7.81" 27 0.09"
190503 - 190505 9.48" 44 1.76"
190603 - 190605 8.50" 37 0.78"
190703 - 190705 8.22" 33 0.50"
190803 - 190805 9.00" 40 1.28"
190903 - 190905 7.53" 19 -0.19"
191003 - 191005 5.67" 2 -2.05"
191103 - 191105 6.53" 6 -1.19"
191203 - 191205 9.62" 45 1.90"
191303 - 191305 7.55" 21 -0.17"
191403 - 191405 7.06" 13 -0.66"
191503 - 191505 7.72" 24 0.00"
191603 - 191605 7.10" 14 -0.62"
191703 - 191705 7.80" 26 0.08"
191803 - 191805 7.26" 16 -0.46"
191903 - 191905 8.32" 34 0.60"
192003 - 192005 8.87" 39 1.15"
192103 - 192105 7.86" 28 0.14"
192203 - 192205 9.65" 46 1.93"
192303 - 192305 8.39" 35 0.67"
192403 - 192405 6.90" 11 -0.82"
192503 - 192505 5.58" 1 -2.14"
192603 - 192605 6.70" 8 -1.02"
192703 - 192705 8.63" 38 0.91"
192803 - 192805 7.65" 22 -0.07"
192903 - 192905 9.25" 43 1.53"
193003 - 193005 6.98" 12 -0.74"
193103 - 193105 6.67" 7 -1.05"
193203 - 193205 6.87" 10 -0.85"
193303 - 193305 8.40" 36 0.68"
193403 - 193405 5.92" 3 -1.80"
193503 - 193505 9.19" 41 1.47"
193603 - 193605 6.35" 4 -1.37"
193703 - 193705 7.16" 15 -0.56"
193803 - 193805 9.23" 42 1.51"
193903 - 193905 6.43" 5 -1.29"
194003 - 194005 7.53" 19 -0.19"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 19, 2019 from https://www.ncdc.noaa.gov/cag/