condition	mean	min	max
4 h after light	8.087843333333334	7.55123	8.440010000000001
8 h after light	8.042269999999998	7.675669999999999	8.26672
12 h after light	8.330689999999999	8.19042	8.584719999999999
4 h after dark	7.894963333333334	7.408180000000001	8.36405
8 h after dark	8.05867	7.72474	8.291889999999999
12 h after dark	8.26273	8.00319	8.3981