A bi-weekly commentary of snow conditions based on readings from the B.C. Automated Snow Weather Station (ASWS) network is published during the snow season.
Cooler conditions over the Victoria Day long weekend (May 16-18) actually resulted in minor snow accumulation for some mountainous regions in British Columbia. The first significant high-pressure ridge of the freshet season developed over the Interior in the final week of May and led to rapid melt of the remaining higher elevation snowpack.
A complete listing of Automated Snow Weather Stations (ASWS) expressed as percent of long-term median for the entire length of record is found in the ASWS Weekly Summary (PDF, 186KB)*. Hyperlinks to interactive plots are available for each ASWS in the table.
*Note: These are not the official snow basin indices.
The provincial average for June 1st at all ASWS sites is 64% of the period of record median, remaining the same as the 64% on May 15th.
Based on the average of all active ASWS sites, the peak date of snow this year was April 11th. As of June 1st, 66% of the total snowpack at the ASWS sites has melted since the peak. Typically, about 52% of the snowpack melts by June 1st.
A provincial composite graph of all automated stations with relatively long-term record is shown below. The data for the graph begins in 1988.
From the above graph, the June 1st percentage of average is 50% (May 15th: 64%) and at the 18th percentile (May 15th: 11th).
The June 1st, 2025 Snow and Water Supply Bulletin is scheduled to be released June 9, 2025, based on data availability. The official Snow Basin Indices are calculated within the Bulletin.
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