condition	mean	min	max
0 h after light	19.0944	18.0424	20.1464
4 h after light	7.882565	7.28376	8.48137
8 h after light	11.61815	10.6512	12.5851
4 h after dark	23.53365	17.6468	29.4205
8 h after dark	24.4373	24.1324	24.7422
12 h after dark	14.673649999999999	13.1397	16.2076