condition	mean	min	max
4 h after light	11.3284	10.5451	12.1117
8 h after light	12.2895	12.242	12.337
12 h after light	11.0734	10.9357	11.2111
4 h after dark	16.86405	16.2524	17.4757
8 h after dark	15.16695	14.869	15.4649
12 h after dark	16.235	15.5135	16.9565