condition	mean	min	max
0 h after light	40.6527	40.0568	41.2486
4 h after light	17.61985	16.8694	18.3703
8 h after light	6.59023	5.96798	7.21248
4 h after dark	9.807675	7.02625	12.5891
8 h after dark	28.48785	26.8074	30.1683
12 h after dark	37.81515	32.5464	43.0839