MOUNTAIN SYSTEM MONITORING: WINTER STORM DATA

See the PDF Reports and Excel Workbook page for the current CSAS Storms and Precip workbook (up to WY2023), and PDFs of all the winter storm reports per water year.

The CSAS Storms and Precip workbook contains the past 20 seasons of CSAS winter storm data, including:

  • Dates, times and duration of each winter storm event (2003-current)
  • Change in the height of snow at both our alpine Senator Beck study plot and our subalpine Swamp Angel site.
  • Peak gust data from our Putney site.
  • Mean and maximum precipitation intensity during each storm
  • Total new water accumulation in mm for each storm event.
  • Summary data for each month of the season.
  • Cumulative annual precipitation graph by month

See our Current Conditions page for the latest hourly dataAll times shown are in Mountain Standard Time (MST).


2023-2024 Winter Storm Reports

Storm Report #1, November 19-20, 2023: First Storm of the Season!

Storm#1_WY24

Storm Report #2, November 23-24, 2023: Keep it Coming

Storm#2_WY24