Big Sky monthly snowfall is a monthly climate and weather series on Kalshi, with markets like “Total snowfall in Big Sky in December 2026?”. The Kalshi Eye archive lists 10 of its markets and has 12 days of daily Parquet files from October 12, 2026 to October 23, 2026 (7 MB), with every order book change and trade.

Venue: Kalshi, series KXTSNOWFALLBIGSKYM
Category: Climate and Weather, monthly
Markets: 10 (0 settled, 10 open)
Files: 12 days, October 12, 2026 to October 23, 2026, 7 MB, 454,243 rows
Datasets: Order book (L2, incremental), Order book snapshots (top 10, 1 second), Top of book (every change), Top of book (1-minute bars), Trades

Open Big Sky monthly snowfall in Markets to see every day and market, then export the days you need. Free sample files of each dataset are on the Kalshi data page.

Reading the files

Every KXTSNOWFALLBIGSKYM trade on October 23, 2026, in DuckDB:

SELECT ts_recv, ticker, yes_price, size, taker_side
FROM 'kalshieye-data/trades/date=2026-10-23/series=KXTSNOWFALLBIGSKYM/trades-KXTSNOWFALLBIGSKYM-2026-10-23.parquet'
ORDER BY ts_recv;

To test a strategy on this series, see How to backtest Kalshi markets.

Related Kalshi series

Hourly Directional Chicago Metro Temperature (KXTEMPCHIHS): 3,080 markets, 12 days of files
Hourly Directional Coastal LA Temperature (KXTEMPLAXHS): 3,080 markets, 12 days of files
Hourly Directional Miami Temperature (KXTEMPMIAH): 3,080 markets, 12 days of files
Hourly Directional NYC Temperature (KXTEMPNYCHS): 3,050 markets, 12 days of files
Where will it rain daily (KXRAIN): 596 markets, 12 days of files
Biggest earthquake (KXBIGGESTQUAKE): 238 markets, 12 days of files

Figures as of October 24, 2026. All Kalshi series with pages are listed on Kalshi series.