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 (51.89°F)
1901-1902 Base Period
189504 - 189803 51.68°F 4 -0.21°F
189604 - 189903 51.33°F 1 -0.56°F
189704 - 190003 51.49°F 2 -0.40°F
189804 - 190103 51.60°F 3 -0.29°F
189904 - 190203 52.17°F 5 0.28°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2019, retrieved on November 12, 2019 from