Climate at a Glance

National Time Series

Choose from the options below and click "Plot" to create a time series graph.
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.


Place mouse on axis and left-click to pan; wheel up/down for zoom in/out (or shift key+left-click).

Download: xml csv json
Dates Value Rank Departure From Mean (90.24")
1901-1911 Base Period
189503 - 189802 86.37" 3 -3.87"
189603 - 189902 89.48" 9 -0.76"
189703 - 190002 87.06" 4 -3.18"
189803 - 190102 88.95" 8 -1.29"
189903 - 190202 86.09" 2 -4.15"
190003 - 190302 89.93" 10 -0.31"
190103 - 190402 87.74" 5 -2.50"
190203 - 190502 88.46" 6 -1.78"
190303 - 190602 88.86" 7 -1.38"
190403 - 190702 93.72" 12 3.48"
190503 - 190802 96.48" 14 6.24"
190603 - 190902 94.95" 13 4.71"
190703 - 191002 91.62" 11 1.38"
190803 - 191102 85.84" 1 -4.40"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/