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 (48.92°F)
1901-1903 Base Period
189509 - 189702 48.49°F 4 -0.43°F
189609 - 189802 48.52°F 5 -0.40°F
189709 - 189902 48.09°F 2 -0.83°F
189809 - 190002 47.83°F 1 -1.09°F
189909 - 190102 49.45°F 7 0.53°F
190009 - 190202 48.97°F 6 0.05°F
190109 - 190302 48.35°F 3 -0.57°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/