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 (2.45")
1901-1966 Base Period
189503 1.99" 11 -0.46"
189603 2.41" 34 -0.04"
189703 3.62" 72 1.17"
189803 2.42" 35 -0.03"
189903 2.82" 55 0.37"
190003 2.28" 27 -0.17"
190103 2.29" 28 -0.16"
190203 2.90" 58 0.45"
190303 3.01" 63 0.56"
190403 3.10" 65 0.65"
190503 2.94" 60 0.49"
190603 3.26" 68 0.81"
190703 2.45" 37 0.00"
190803 2.18" 22 -0.27"
190903 2.21" 23 -0.24"
191003 1.02" 1 -1.43"
191103 1.71" 5 -0.74"
191203 3.39" 70 0.94"
191303 2.99" 61 0.54"
191403 1.85" 7 -0.60"
191503 1.51" 2 -0.94"
191603 2.13" 16 -0.32"
191703 2.48" 42 0.03"
191803 1.85" 7 -0.60"
191903 2.71" 51 0.26"
192003 2.78" 53 0.33"
192103 2.52" 45 0.07"
192203 3.46" 71 1.01"
192303 2.42" 35 -0.03"
192403 2.22" 24 -0.23"
192503 1.56" 3 -0.89"
192603 2.31" 29 -0.14"
192703 2.59" 46 0.14"
192803 2.39" 33 -0.06"
192903 2.81" 54 0.36"
193003 1.98" 9 -0.47"
193103 2.31" 29 -0.14"
193203 2.31" 29 -0.14"
193303 2.47" 41 0.02"
193403 2.34" 32 -0.11"
193503 2.74" 52 0.29"
193603 2.10" 14 -0.35"
193703 2.15" 18 -0.30"
193803 3.30" 69 0.85"
193903 2.07" 12 -0.38"
194003 2.27" 25 -0.18"
194103 2.09" 13 -0.36"
194203 2.46" 38 0.01"
194303 2.88" 57 0.43"
194403 3.03" 64 0.58"
194503 3.12" 66 0.67"
194603 2.67" 50 0.22"
194703 2.27" 25 -0.18"
194803 3.00" 62 0.55"
194903 2.47" 41 0.02"
195003 2.49" 43 0.04"
195103 2.60" 47 0.15"
195203 2.93" 59 0.48"
195303 2.61" 48 0.16"
195403 2.16" 20 -0.29"
195503 1.98" 9 -0.47"
195603 1.82" 6 -0.63"
195703 2.51" 44 0.06"
195803 2.66" 49 0.21"
195903 2.14" 17 -0.31"
196003 2.12" 15 -0.33"
196103 3.16" 67 0.71"
196203 2.15" 18 -0.30"
196303 2.47" 41 0.02"
196403 2.83" 56 0.38"
196503 2.16" 20 -0.29"
196603 1.61" 4 -0.84"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 23, 2019 from https://www.ncdc.noaa.gov/cag/