condition	mean	min	max
4 h after light	13.348287	13.045391	13.651183
8 h after light	13.584781499999998	13.087447	14.082116
12 h after light	13.005469	12.235412	13.775526
4 h after dark	13.3543385	13.22983	13.478847
8 h after dark	11.634891	10.579713	12.690069
12 h after dark	13.118907	13.118907	13.118907