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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Date Value Rank Departure From Mean (2.48")
1901-1954 Base Period
189503 1.99" 8 -0.49"
189603 2.41" 27 -0.07"
189703 3.62" 60 1.14"
189803 2.42" 28 -0.06"
189903 2.82" 45 0.34"
190003 2.28" 20 -0.20"
190103 2.29" 21 -0.19"
190203 2.90" 47 0.42"
190303 3.01" 52 0.53"
190403 3.10" 54 0.62"
190503 2.94" 49 0.46"
190603 3.26" 56 0.78"
190703 2.45" 30 -0.03"
190803 2.18" 15 -0.30"
190903 2.21" 16 -0.27"
191003 1.02" 1 -1.46"
191103 1.71" 4 -0.77"
191203 3.39" 58 0.91"
191303 2.99" 50 0.51"
191403 1.85" 5 -0.63"
191503 1.51" 2 -0.97"
191603 2.13" 12 -0.35"
191703 2.48" 34 0.00"
191803 1.85" 5 -0.63"
191903 2.71" 41 0.23"
192003 2.78" 43 0.30"
192103 2.52" 36 0.04"
192203 3.46" 59 0.98"
192303 2.42" 28 -0.06"
192403 2.22" 17 -0.26"
192503 1.56" 3 -0.92"
192603 2.31" 22 -0.17"
192703 2.59" 37 0.11"
192803 2.39" 26 -0.09"
192903 2.81" 44 0.33"
193003 1.98" 7 -0.50"
193103 2.31" 22 -0.17"
193203 2.31" 22 -0.17"
193303 2.47" 33 -0.01"
193403 2.34" 25 -0.14"
193503 2.74" 42 0.26"
193603 2.10" 11 -0.38"
193703 2.15" 13 -0.33"
193803 3.30" 57 0.82"
193903 2.07" 9 -0.41"
194003 2.27" 18 -0.21"
194103 2.09" 10 -0.39"
194203 2.46" 31 -0.02"
194303 2.88" 46 0.40"
194403 3.03" 53 0.55"
194503 3.12" 55 0.64"
194603 2.67" 40 0.19"
194703 2.27" 18 -0.21"
194803 3.00" 51 0.52"
194903 2.47" 33 -0.01"
195003 2.49" 35 0.01"
195103 2.60" 38 0.12"
195203 2.93" 48 0.45"
195303 2.61" 39 0.13"
195403 2.16" 14 -0.32"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/