condition	mean	min	max
3 h after light	19.447633333333336	16.8409	22.6136
6 h after light	14.673666666666668	12.644	16.8476
9 h after light	13.3392	12.7804	14.0636
12 h after light	16.519849999999998	14.0231	19.2132
3 h after dark	22.6688	20.2635	25.7564
6 h after dark	24.251	21.8605	27.2377
9 h after dark	19.50796666666667	18.3248	21.2706
12 h after dark	18.909100000000002	18.8974	18.9208