The Palmer Drought Severity Index for March 2026 was the worst on record, worst than March 1934 and March 1977.
https://www.ncei.noaa.gov/pub/data/cirs/climdiv/climdiv-pdsidv-v1.0.0-20240606
https://www.ncdc.noaa.gov/monitoring-content/sotc/drought/psi/psi-202603.png
https://www.ncdc.noaa.gov/monitoring-content/sotc/drought/psi/psi-193403.gif
https://www.ncdc.noaa.gov/monitoring-content/sotc/drought/psi/psi-197703.gif
Streamflow in many US rivers is near or at a record low.
