condition mean min max 0 h after light 12.06195 11.9133 12.2106 2 h after light 10.456 10.3312 10.5808 4 h after light 10.668035 9.74537 11.5907 8 h after light 10.701035000000001 9.64677 11.7553 12 h after light 16.143 14.9467 17.3393 2 h after dark 13.909949999999998 13.4683 14.3516 4 h after dark 14.221250000000001 13.8839 14.5586 8 h after dark 17.33995 16.0122 18.6677 12 h after dark 13.06085 12.1967 13.925