condition	mean	min	max
4 h after light	17.21725	15.0506	19.3839
8 h after light	19.551000000000002	19.1563	19.9457
12 h after light	20.7932	20.2763	21.3101
4 h after dark	26.56025	25.6723	27.4482
8 h after dark	24.278100000000002	24.2646	24.2916
12 h after dark	21.224200000000003	20.6304	21.818