State
Washington , December 2025
Washington drought conditions normal-to-mild; 1 flood/storm declaration(s) in period.
Severe drought (D2+)
0%
Monthly precip
10.62 in
Anomaly vs normal
finalizing
PHDI
-1.68
Drought coverage (% of land area)
noneD0 dryD1 moderateD2 severeD3 extremeD4 exceptional
Precipitation detail
- Observed
- 10.62 in
- 30-yr normal
- pending NOAA finalization
- Anomaly
- pending NOAA finalization
- PDSI
- -1.68
- PHDI
- -1.68
FEMA disaster declarations in period (1)
- DR-3629 · WA2025-12-12 · Flood
SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES (17 counties)
Methodology + sources
- Drought: U.S. Drought Monitor (UNL/NIDIS), end-of-month snapshot. Categories range from D0 (abnormally dry) to D4 (exceptional drought). d2_plus is the cumulative severe-or-worse coverage.
- Precipitation: NOAA NCEI Climate at a Glance, monthly state totals, normal = 1991-2020 baseline. SPI is the Standardized Precipitation Index.
- Disasters: FEMA OpenFEMA DisasterDeclarationsSummaries, filtered to flood/storm/hurricane/drought incident types.
Covers 1 state: WA