condition	mean	min	max
4 h after light	29.685787	21.092334	38.27924
8 h after light	12.798299	8.445032	17.151566
12 h after light	22.902554000000002	17.151566	28.653542
4 h after dark	9.5006395	9.209873	9.791406
8 h after dark	11.5028395	10.740543	12.265136
12 h after dark	37.324457	37.324457	37.324457