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 (9.18")
1901-1929 Base Period
189512 - 189603 9.39" 18 0.21"
189612 - 189703 10.30" 32 1.12"
189712 - 189803 9.06" 15 -0.12"
189812 - 189903 9.43" 19 0.25"
189912 - 190003 8.90" 13 -0.28"
190012 - 190103 8.07" 4 -1.11"
190112 - 190203 9.51" 21 0.33"
190212 - 190303 11.24" 34 2.06"
190312 - 190403 8.78" 11 -0.40"
190412 - 190503 9.63" 24 0.45"
190512 - 190603 9.81" 26 0.63"
190612 - 190703 9.90" 28 0.72"
190712 - 190803 9.50" 20 0.32"
190812 - 190903 9.56" 23 0.38"
190912 - 191003 7.88" 2 -1.30"
191012 - 191103 7.97" 3 -1.21"
191112 - 191203 10.19" 31 1.01"
191212 - 191303 9.86" 27 0.68"
191312 - 191403 8.74" 10 -0.44"
191412 - 191503 9.53" 22 0.35"
191512 - 191603 10.32" 33 1.14"
191612 - 191703 8.66" 9 -0.52"
191712 - 191803 7.64" 1 -1.54"
191812 - 191903 9.92" 29 0.74"
191912 - 192003 8.41" 8 -0.77"
192012 - 192103 9.15" 16 -0.03"
192112 - 192203 10.17" 30 0.99"
192212 - 192303 9.39" 17 0.21"
192312 - 192403 8.88" 12 -0.30"
192412 - 192503 8.25" 6 -0.93"
192512 - 192603 8.38" 7 -0.80"
192612 - 192703 9.75" 25 0.57"
192712 - 192803 8.19" 5 -0.99"
192812 - 192903 8.93" 14 -0.25"

Citing This Page

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