Climate at a Glance

Regional Time Series

Choose from the options below and click "Plot" to create a time series graph.
Please note, Palmer Indices are not available for NWS Regions. 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 (18.35")
1901-1909 Base Period
189501 - 189507 13.80" 1 -4.55"
189601 - 189607 19.83" 11 1.48"
189701 - 189707 19.99" 13 1.64"
189801 - 189807 16.39" 4 -1.96"
189901 - 189907 18.97" 9 0.62"
190001 - 190007 15.98" 3 -2.37"
190101 - 190107 15.52" 2 -2.83"
190201 - 190207 19.95" 12 1.60"
190301 - 190307 19.25" 10 0.90"
190401 - 190407 16.85" 6 -1.50"
190501 - 190507 20.57" 14 2.22"
190601 - 190607 17.16" 7 -1.19"
190701 - 190707 16.41" 5 -1.94"
190801 - 190807 20.69" 15 2.34"
190901 - 190907 18.71" 8 0.36"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2019, retrieved on November 13, 2019 from https://www.ncdc.noaa.gov/cag/