condition	mean	min	max
4 h after light	5.2782800000000005	5.19497	5.4387300000000005
8 h after light	5.31787	5.18727	5.52307
12 h after light	5.166923333333333	5.078869999999999	5.29082
4 h after dark	5.3617566666666665	5.26703	5.45421
8 h after dark	5.290476666666667	5.118930000000001	5.4271199999999995
12 h after dark	5.387646666666667	5.15302	5.76274