condition	mean	min	max
4 h after light	34.9976	34.4846	35.5106
8 h after light	26.32275	25.7992	26.8463
12 h after light	20.7765	19.7003	21.8527
4 h after dark	40.72565	36.3513	45.1
8 h after dark	42.8642	42.4635	43.2649
12 h after dark	43.55305	41.4508	45.6553