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 (43.78")
1901-1910 Base Period
189510 - 189703 44.47" 8 0.69"
189610 - 189803 42.92" 5 -0.86"
189710 - 189903 43.96" 7 0.18"
189810 - 190003 41.73" 3 -2.05"
189910 - 190103 43.80" 6 0.02"
190010 - 190203 41.32" 2 -2.46"
190110 - 190303 44.50" 9 0.72"
190210 - 190403 44.55" 10 0.77"
190310 - 190503 40.46" 1 -3.32"
190410 - 190603 44.95" 12 1.17"
190510 - 190703 46.52" 14 2.74"
190610 - 190803 45.20" 13 1.42"
190710 - 190903 44.60" 11 0.82"
190810 - 191003 41.90" 4 -1.88"

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/