condition	mean	min	max
0 h after light	21.54645	19.8319	23.261
4 h after light	30.247	29.7526	30.7414
8 h after light	42.047	36.2336	47.8604
4 h after dark	17.0393	13.6637	20.4149
8 h after dark	7.82558	6.38999	9.26117
12 h after dark	21.311500000000002	16.922	25.701