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
189511 - 189605 41.46°F 4 41.46°F
189611 - 189705 40.94°F 2 40.94°F
189711 - 189805 41.36°F 3 41.36°F
189811 - 189905 38.63°F 1 38.63°F
189911 - 190005 42.29°F 5 42.29°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published July 2019, retrieved on July 16, 2019 from