March Precipitation Chart

A chart of Spokane's last 12 months of preciptation vs. the 30 year rolling average. This data is from the National Weather Service office in Spokane, Washington. The sum of the last 12 months is 16.84", while the the rolling sum of the 30 year average is 16.58".

April precipitation chances

Data for the graph is taken from Spokane's National Weather Service website. The data from 1995-2024 is smoothed, using a 9 day centered moving average. The light blue line depicts daily chances for measurable precipitation, the green line depicts daily chances for measurable snowfall, and the dark blue line depicts measurable snow depth deeper than 1".

February Chart

This data comes from the National Weather Service's office in Spokane, Washington.