condition mean min max 4 h after light 11.8402265 11.074471 12.605982 8 h after light 11.758264 11.074471 12.442057 12 h after light 9.626295500000001 9.480404 9.772187 4 h after dark 11.745750000000001 11.074471 12.417029 8 h after dark 10.415085 10.391312 10.438858 12 h after dark 11.074471 11.074471 11.074471