Office of the Washington State Climatologist

Climate Data

December 16, 2022

Mountain Snow Depth Climatology Available for 2022-23 Season

The Mountain Snow Depth tool is following the 2022-23 winter season, and shows normal to above normal regional snow depth as of 12/15. Check back for updates twice a month this winter!

July 23, 2021

Trend tool updated

The PNW Temperature, Precipitation, and Snow Water Equivalent (SWE) Trend Analysis Tool has been updated to include monthly temperature, precipitation, and SWE data through June 2021.

June 20, 2019

Trend Analysis

4/24/2019: Our popular trend analysis tool is now updated with recent data through March 2019. Check it out!