condition	mean	min	max
4 h after light	8.403025	6.46085	10.3452
8 h after light	4.51677	4.04483	4.98871
12 h after light	9.005355000000002	8.68504	9.32567
4 h after dark	18.991233333333334	14.9182	21.6773
8 h after dark	28.464399999999998	24.1888	33.3079
12 h after dark	22.020666666666667	15.7789	25.4313