condition	mean	min	max
4 h after light	1.9662199999999999	1.65807	2.27437
8 h after light	5.281295	5.0188	5.54379
12 h after light	23.31845	21.2484	25.3885
4 h after dark	9.404516666666666	8.40216	10.2705
8 h after dark	5.51112	5.2459	5.90921
12 h after dark	2.5176600000000002	2.24846	2.92417