condition	mean	min	max
4 h after light	36.8412	32.4328	41.2496
8 h after light	32.72755	30.8791	34.576
12 h after light	40.06645	37.641	42.4919
4 h after dark	47.36935	46.0536	48.6851
8 h after dark	46.1182	45.7582	46.4782
12 h after dark	44.60135	43.3572	45.8455