Winter Storm Data 2023-2024
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 data. All times shown are in Mountain Standard Time (MST).
- CSAS Storm Definition >= 12 mm SWE with no break in precipitation >12 hours
- SASP =Swamp Angel Study Plot(11,060′, in sub-alpine meadow)
- SBSP =Senator Beck Study Plot(12,186′, on alpine bench)
- PTSP =Putney Study Plot(12,323′ alpine ridge ‘free air’ site)
