condition	mean	min	max
4 h after light	13.217417000000001	12.85248	13.582354
8 h after light	13.856395500000001	11.694438	16.018353
12 h after light	15.939021	15.489247	16.388795
4 h after dark	21.815085	15.630153	28.000017
8 h after dark	23.189843500000002	21.517942	24.861745
12 h after dark	21.577336	21.577336	21.577336