condition mean min max 4 h after light 0.7490325 0.612817 0.885248 8 h after light 0.691827 0.562932 0.820722 12 h after light 0.6964 0.539705 0.853095 4 h after dark 1.2558223333333334 0.957527 1.42248 8 h after dark 0.6598496666666667 0.0 0.998813 12 h after dark 0.533041 0.362055 0.793276