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 (51.67°F)
1901-1903 Base Period
189503 - 190002 51.46°F 1 -0.21°F
189603 - 190102 51.67°F 3 0.00°F
189703 - 190202 51.73°F 4 0.06°F
189803 - 190302 51.62°F 2 -0.05°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 19, 2019 from