Headline numbers
Which years were you there?
Pick your years and every chart below recomputes just for you, in your browser — nothing is sent anywhere. Share a link with ?years=… pre-filled using "Copy link".
Every event week since 1940
One bar per year. Orange marks the selected years (pick them above); hover any bar for details.
The playa calendar
Every held year, 23 days centered on the 9-day event window (build week and exodus dimmed either side).
PRISM days end at 5 am Pacific, so an afternoon storm shows up on the next day.
Selected years vs everyone else's
Left: every year's total, grouped by era (selected years in orange). Right: a live shuffle test of whether the selected years differ from the rest by more than chance.
Odds of a wet week
How often has rain at or above a threshold happened, in different eras?
Ten-year rolling wet-week frequency
Trend
Is there a long-term slope? Two ways of fitting a line, plus the same stats for every source and window.
The wettest weeks
Top 12 event weeks on record, ranked by total rain.
Do the sources agree?
Each dot is a year's Aug 15–Sep 15 total, one source vs another. Near the diagonal means the sources agree.
The wider region
Same story, or not? Season totals at three long-running regional stations.
Faint bars are single-year totals; the bold line is the trailing 10-year mean.
Hour by hour
Pick a year to see precipitation and wind gusts through the event window, hour by hour.
Methods & caveats
Data table
One row per year, for the current source and window. Click a header to sort. This table is the accessible fallback for every chart above.