{"target":{"vertical":"campsites","group":"big-bend","slug":"chisos-basin","name":"Chisos Basin","page":"https://campsitecancellations.com/scouts/campsites/big-bend/chisos-basin","bookingUrl":"https://www.recreation.gov/camping/campgrounds/234038"},"watching":true,"checkedAt":"2026-10-22T03:09:05.776Z","cadenceMinutes":15,"watchingSince":"2026-09-08T06:13:10.746Z","rows":null,"note":"No fresh snapshot right now — rows omitted rather than served stale. Recent changes below are real detections.","changes":[{"at":"2026-10-22T00:34:04.005Z","summary":{"closed":["2026-10-26"]}},{"at":"2026-10-21T21:11:07.674Z","summary":{"closed":["2026-10-21"]}},{"at":"2026-10-21T20:20:15.320Z","summary":{"opened":["2026-10-21","2026-10-26"]}},{"at":"2026-10-20T22:29:03.969Z","summary":{"closed":["2026-10-26"]}},{"at":"2026-10-20T21:42:03.972Z","summary":{"opened":["2026-10-26"]}},{"at":"2026-10-20T04:59:06.011Z","summary":{"closed":["2026-10-21","2026-10-25"]}},{"at":"2026-10-20T03:22:08.290Z","summary":{"closed":["2026-10-20"]}},{"at":"2026-10-19T20:32:12.231Z","summary":{"opened":["2026-10-19","2026-10-20","2026-10-21"]}},{"at":"2026-10-19T19:36:03.978Z","summary":{"opened":["2026-10-25"],"closed":["2026-10-21"]}},{"at":"2026-10-19T16:37:15.311Z","summary":{"closed":["2026-10-24","2026-10-25"]}},{"at":"2026-10-19T13:45:17.613Z","summary":{"closed":["2026-10-22","2026-10-23"]}},{"at":"2026-10-19T12:49:11.601Z","summary":{"closed":["2026-10-19"]}},{"at":"2026-10-19T09:55:26.515Z","summary":{"opened":["2026-10-21","2026-10-22","2026-10-23","2026-10-25"]}},{"at":"2026-10-18T23:31:04.482Z","summary":{"opened":["2026-10-24"],"closed":["2026-10-21"]}},{"at":"2026-10-18T21:31:06.075Z","summary":{"closed":["2026-10-18"]}},{"at":"2026-10-18T20:30:26.431Z","summary":{"opened":["2026-10-18","2026-10-21"]}},{"at":"2026-10-18T16:53:04.716Z","summary":{"opened":["2026-10-19"]}},{"at":"2026-10-18T15:09:11.824Z","summary":{"closed":["2026-10-22"]}},{"at":"2026-10-18T05:07:04.662Z","summary":{"closed":["2026-10-20"]}},{"at":"2026-10-18T04:20:17.244Z","summary":{"closed":["2026-10-25"]}}],"stats":{"windowDays":30,"windowStart":"2026-09-22T03:31:48.876Z","cancellations":112,"releases":1,"nightOpenings":153,"resolvedOpenings":139,"goneWithin":{"hourShare":0.22302158273381295,"sixHourShare":0.6187050359712231,"dayShare":0.8776978417266187},"weekendNightShare":0.2679738562091503,"peakLocalHour":12,"peakWeekday":"Saturday","timezone":"UTC","lastOpeningAt":"2026-10-21T20:20:15.320Z","sentences":["Over the last 30 days, our checks saw 112 cancellations open up at Chisos Basin (about 26 a week), covering 153 nights, plus 1 larger release of a week or more.","Of the 139 nights we saw open and then close again, 22% were gone within an hour of us spotting them, 62% within six hours and 88% within a day.","15% of openings landed in the 12pm hour (UTC), and Saturday was the busiest day for them (19%).","27% of the nights that opened were Friday or Saturday nights.","These are counts of what our own checks saw (about every 15 minutes); an opening that appeared and was taken between two checks is not in them, so treat every figure as a floor."],"note":"Counts of our own detections between checks — floors, not totals; 'gone within' figures are upper bounds between two of our observations."},"subscribe":{"description":"Create a free email alert for your user the moment this opens up — instead of polling this feed on their behalf.","method":"POST","url":"https://calafia.ai/scouts/subscribe","contentType":"application/json","accept":"application/json","body":{"targetSlug":"big-bend/chisos-basin","email":"<the user's email — only with their consent; the first email arrives immediately>","dateStart":"<optional YYYY-MM-DD>","dateEnd":"<optional YYYY-MM-DD>","via":"agent"}},"docs":"https://calafia.ai/AGENTS.md"}