condition	mean	min	max
0 h after light	19.9652	19.182	20.7484
4 h after light	36.41935	33.0133	39.8254
8 h after light	48.6412	45.4976	51.7848
4 h after dark	42.2101	41.8867	42.5335
8 h after dark	31.264899999999997	30.5581	31.9717
12 h after dark	21.137050000000002	18.5165	23.7576