condition	mean	min	max
4 h after light	27.301900000000003	26.2508	28.353
8 h after light	92.10155	90.3527	93.8504
12 h after light	64.38980000000001	56.8411	71.9385
4 h after dark	82.21975	82.1347	82.3048
8 h after dark	81.6005	79.6933	83.5077
12 h after dark	69.7416	67.7042	71.779