condition	mean	min	max
4 h after light	7.998072499999999	7.252192	8.743953
8 h after light	8.772185499999999	8.581527	8.962844
12 h after light	7.996962	7.732157	8.261767
4 h after dark	7.69471	7.556073	7.833347
8 h after dark	8.504729000000001	8.042411	8.967047
12 h after dark	8.446746	8.446746	8.446746