condition	mean	min	max
4 h after light	31.2	31.2	31.2
8 h after light	40.7	24.2	57.2
12 h after light	61.2	47.7	74.7
4 h after dark	47.0	36.7	57.3
8 h after dark	45.0	13.8	76.2
12 h after dark	41.6	18.7	64.5