condition	mean	min	max
4 h after light	36.8	36.8	36.8
8 h after light	21.85	4.0	39.7
12 h after light	35.45	30.6	40.3
4 h after dark	21.9	17.0	26.8
8 h after dark	17.7	12.1	23.3
12 h after dark	19.05	7.8	30.3