condition	mean	min	max
4 h after light	13.38505	13.3164	13.4537
8 h after light	17.778100000000002	17.5592	17.997
12 h after light	17.0419	16.449	17.6348
4 h after dark	24.60715	23.4797	25.7346
8 h after dark	21.91585	21.4144	22.4173
12 h after dark	19.00065	18.8347	19.1666