condition	mean	min	max
4 h after light	11.1098885	10.414734	11.805043
8 h after light	11.8842435	10.463137	13.30535
12 h after light	11.651256	10.663258	12.639254
4 h after dark	12.038424	11.93042	12.146428
8 h after dark	12.994221	12.213874	13.774568
12 h after dark	13.291517	13.291517	13.291517