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 (41.15°F)
1901-1902 Base Period
189503 39.97°F 4 -1.18°F
189603 38.03°F 2 -3.12°F
189703 38.79°F 3 -2.36°F
189803 41.05°F 6 -0.10°F
189903 37.63°F 1 -3.52°F
190003 41.27°F 7 0.12°F
190103 40.71°F 5 -0.44°F
190203 41.58°F 8 0.43°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2019, retrieved on November 21, 2019 from