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 (18.41")
1901-1966 Base Period
189508 - 189603 16.87" 15 -1.54"
189608 - 189703 20.30" 63 1.89"
189708 - 189803 17.05" 19 -1.36"
189808 - 189903 19.58" 56 1.17"
189908 - 190003 17.10" 21 -1.31"
190008 - 190103 18.54" 34 0.13"
190108 - 190203 18.02" 28 -0.39"
190208 - 190303 21.20" 70 2.79"
190308 - 190403 17.54" 23 -0.87"
190408 - 190503 17.33" 22 -1.08"
190508 - 190603 19.28" 51 0.87"
190608 - 190703 20.77" 69 2.36"
190708 - 190803 18.84" 40 0.43"
190808 - 190903 17.97" 27 -0.44"
190908 - 191003 17.06" 20 -1.35"
191008 - 191103 16.19" 6 -2.22"
191108 - 191203 20.60" 67 2.19"
191208 - 191303 19.07" 44 0.66"
191308 - 191403 18.60" 37 0.19"
191408 - 191503 18.90" 41 0.49"
191508 - 191603 20.47" 66 2.06"
191608 - 191703 16.78" 14 -1.63"
191708 - 191803 14.58" 1 -3.83"
191808 - 191903 20.07" 60 1.66"
191908 - 192003 19.48" 53 1.07"
192008 - 192103 19.42" 52 1.01"
192108 - 192203 19.21" 49 0.80"
192208 - 192303 16.90" 16 -1.51"
192308 - 192403 19.04" 43 0.63"
192408 - 192503 16.28" 8 -2.13"
192508 - 192603 18.47" 32 0.06"
192608 - 192703 21.56" 71 3.15"
192708 - 192803 18.49" 33 0.08"
192808 - 192903 18.57" 35 0.16"
192908 - 193003 17.62" 24 -0.79"
193008 - 193103 15.87" 4 -2.54"
193108 - 193203 20.39" 64 1.98"
193208 - 193303 19.09" 45 0.68"
193308 - 193403 16.44" 9 -1.97"
193408 - 193503 18.58" 36 0.17"
193508 - 193603 17.95" 26 -0.46"
193608 - 193703 19.23" 50 0.82"
193708 - 193803 19.57" 55 1.16"
193808 - 193903 17.02" 18 -1.39"
193908 - 194003 15.98" 5 -2.43"
194008 - 194103 18.43" 31 0.02"
194108 - 194203 20.28" 62 1.87"
194208 - 194303 19.67" 58 1.26"
194308 - 194403 16.66" 13 -1.75"
194408 - 194503 19.10" 46 0.69"
194508 - 194603 20.25" 61 1.84"
194608 - 194703 18.69" 38 0.28"
194708 - 194803 19.12" 47 0.71"
194808 - 194903 19.60" 57 1.19"
194908 - 195003 19.00" 42 0.59"
195008 - 195103 18.38" 30 -0.03"
195108 - 195203 20.40" 65 1.99"
195208 - 195303 16.60" 12 -1.81"
195308 - 195403 15.78" 3 -2.63"
195408 - 195503 16.25" 7 -2.16"
195508 - 195603 17.76" 25 -0.65"
195608 - 195703 15.73" 2 -2.68"
195708 - 195803 20.71" 68 2.30"
195808 - 195903 16.96" 17 -1.45"
195908 - 196003 19.99" 59 1.58"
196008 - 196103 18.81" 39 0.40"
196108 - 196203 19.53" 54 1.12"
196208 - 196303 16.55" 11 -1.86"
196308 - 196403 16.46" 10 -1.95"
196408 - 196503 19.14" 48 0.73"
196508 - 196603 18.25" 29 -0.16"

Citing This Page

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