condition	mean	min	max
4 h after light	10.57198	9.668262	11.475698
8 h after light	9.259026500000001	8.910411	9.607642
12 h after light	8.7522075	7.836153	9.668262
4 h after dark	8.7998255	7.931389	9.668262
8 h after dark	11.295555	9.924273	12.666837
12 h after dark	10.393325	10.393325	10.393325