condition mean min max 0 h after light 8.994685 8.76417 9.2252 2 h after light 5.172040000000001 4.87764 5.46644 4 h after light 7.77424 7.73182 7.81666 8 h after light 16.7052 12.7721 20.6383 12 h after light 14.3582 14.3393 14.3771 2 h after dark 19.7718 16.786 22.7576 4 h after dark 19.150550000000003 18.5527 19.7484 8 h after dark 12.2228 11.302 13.1436 12 h after dark 9.63409 9.4971 9.77108