condition	mean	min	max
0 h after light	47.9407	45.8911	49.9903
4 h after light	13.77435	12.2247	15.324
8 h after light	12.9536	12.7691	13.1381
4 h after dark	22.06225	20.2636	23.8609
8 h after dark	24.662750000000003	24.3486	24.9769
12 h after dark	30.7549	24.0627	37.4471