condition	mean	min	max
4 h after light	21.8296545	21.563439	22.09587
8 h after light	20.386062	20.168415	20.603709
12 h after light	19.59044	16.554105	22.626775
4 h after dark	19.888284499999997	17.247781	22.528788
8 h after dark	18.966423	17.966067	19.966779
12 h after dark	20.265684	20.265684	20.265684