condition mean min max 4 h after light 0.629492 0.421368 0.837616 8 h after light 0.185891 0.143096 0.228686 12 h after light 0.6854454999999999 0.333511 1.03738 4 h after dark 0.33682966666666664 0.0 0.549229 8 h after dark 1.4963833333333334 1.46596 1.5338 12 h after dark 0.7631603333333333 0.483621 1.03978