condition	mean	min	max
4 h after light	21.847928500000002	16.983367	26.71249
8 h after light	26.415985	18.727318	34.104652
12 h after light	19.257298	16.193982	22.320614
4 h after dark	15.2687675	14.014436	16.523099
8 h after dark	14.661794	12.66335	16.660238
12 h after dark	12.733552	12.733552	12.733552