condition	mean	min	max
4 h after light	51.32465	46.7611	55.8882
8 h after light	42.3617	42.0132	42.7102
12 h after light	31.4769	31.3478	31.606
4 h after dark	28.2723	24.0189	32.0026
8 h after dark	28.4062	23.9116	31.8129
12 h after dark	47.3629	43.7808	50.6075