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
Date Value Rank Departure From Mean (29.91°F)
1901-1903 Base Period
189502 26.60°F 2 -3.31°F
189602 35.04°F 8 5.13°F
189702 33.39°F 7 3.48°F
189802 35.37°F 9 5.46°F
189902 25.50°F 1 -4.41°F
190002 30.76°F 5 0.85°F
190102 29.86°F 4 -0.05°F
190202 31.46°F 6 1.55°F
190302 28.42°F 3 -1.49°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 23, 2019 from