condition mean min max 3 h after light 0.42021083333333337 0.239362 0.550838 7 h after light 0.3638665833333333 0.196766 0.45371 11 h after light 0.4915461666666667 0.279261 0.669108 2 h after dark 0.49015458333333334 0.332512 0.687382 6 h after dark 0.48801625 0.316569 0.760368 10 h after dark 0.4974415 0.244242 0.734565