condition	mean	min	max
4 h after light	7.639770499999999	7.002389	8.277152
8 h after light	7.163186	7.037566	7.288806
12 h after light	7.2957695000000005	6.977485	7.614054
4 h after dark	7.208411999999999	7.111075	7.305749
8 h after dark	7.3993985	7.336327	7.46247
12 h after dark	7.288806	7.288806	7.288806