condition	mean	min	max
4 h after light	10.276265	9.55593	10.9966
8 h after light	9.816089999999999	9.56068	10.0715
12 h after light	13.2442	12.5032	13.9852
4 h after dark	21.52735	20.0754	22.9793
8 h after dark	17.736	16.3408	19.1312
12 h after dark	14.6441	13.2897	15.9985