condition	mean	min	max
4 h after light	26.62885	25.6939	27.5638
8 h after light	15.9705	15.6249	16.3161
12 h after light	15.1969	14.2425	16.1513
4 h after dark	18.834766666666667	18.5601	19.1058
8 h after dark	22.310100000000002	21.6258	23.1585
12 h after dark	26.6677	25.718	28.204