condition	mean	min	max
0 h after light	15.64425	14.4095	16.879
4 h after light	23.65565	23.0091	24.3022
8 h after light	40.9756	40.6388	41.3124
4 h after dark	30.43865	29.8848	30.9925
8 h after dark	27.40795	25.297	29.5189
12 h after dark	14.40725	12.8988	15.9157