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 (0.00°F)
9999-0 Base Period
189510 - 189511 45.00°F 2 45.00°F
189610 - 189611 45.12°F 3 45.12°F
189710 - 189711 48.01°F 4 48.01°F
189810 - 189811 44.94°F 1 44.94°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2019, retrieved on November 11, 2019 from