condition mean min max 3 h after light 0.8777803333333333 0.426371 1.71176 6 h after light 0.6755523333333333 0.281669 0.959329 9 h after light 0.586316 0.418523 0.7715 12 h after light 1.05474675 0.621887 1.45234 3 h after dark 0.5091206666666667 0.320491 0.806277 6 h after dark 0.6696273333333334 0.239493 1.14643 9 h after dark 0.748564 0.529735 1.09451 12 h after dark 0.4939395 0.432465 0.555414