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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Download: xml csv json
Dates Value Rank Departure From Mean (42.70")
1901-1941 Base Period
189509 - 189702 42.43" 17 -0.27"
189609 - 189802 43.28" 26 0.58"
189709 - 189902 42.71" 20 0.01"
189809 - 190002 41.78" 16 -0.92"
189909 - 190102 43.05" 25 0.35"
190009 - 190202 41.35" 15 -1.35"
190109 - 190302 44.07" 30 1.37"
190209 - 190402 44.19" 32 1.49"
190309 - 190502 39.64" 7 -3.06"
190409 - 190602 44.02" 28 1.32"
190509 - 190702 46.64" 44 3.94"
190609 - 190802 45.93" 42 3.23"
190709 - 190902 44.90" 37 2.20"
190809 - 191002 42.71" 20 0.01"
190909 - 191102 38.85" 5 -3.85"
191009 - 191202 41.03" 12 -1.67"
191109 - 191302 45.55" 39 2.85"
191209 - 191402 42.68" 18 -0.02"
191309 - 191502 44.60" 36 1.90"
191409 - 191602 47.03" 45 4.33"
191509 - 191702 42.77" 22 0.07"
191609 - 191802 37.25" 1 -5.45"
191709 - 191902 39.49" 6 -3.21"
191809 - 192002 45.92" 41 3.22"
191909 - 192102 45.58" 40 2.88"
192009 - 192202 42.87" 24 0.17"
192109 - 192302 42.87" 24 0.17"
192209 - 192402 43.46" 27 0.76"
192309 - 192502 40.66" 11 -2.04"
192409 - 192602 39.81" 8 -2.89"
192509 - 192702 45.12" 38 2.42"
192609 - 192802 46.44" 43 3.74"
192709 - 192902 44.14" 31 1.44"
192809 - 193002 42.70" 19 0.00"
192909 - 193102 38.50" 3 -4.20"
193009 - 193202 41.20" 14 -1.50"
193109 - 193302 44.51" 35 1.81"
193209 - 193402 40.55" 10 -2.15"
193309 - 193502 37.66" 2 -5.04"
193409 - 193602 44.46" 34 1.76"
193509 - 193702 41.04" 13 -1.66"
193609 - 193802 44.03" 29 1.33"
193709 - 193902 44.36" 33 1.66"
193809 - 194002 38.71" 4 -3.99"
193909 - 194102 40.35" 9 -2.35"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/