condition mean min max 0 h after light 15.040600000000001 13.6047 16.4765 2 h after light 7.551565 7.34679 7.75634 4 h after light 11.34595 11.2315 11.4604 8 h after light 7.777735 7.35429 8.20118 12 h after light 7.45119 7.25894 7.64344 2 h after dark 8.612465 7.11253 10.1124 4 h after dark 7.874985000000001 6.84438 8.90559 8 h after dark 16.18 13.9497 18.4103 12 h after dark 15.492650000000001 14.1819 16.8034