condition	mean	min	max
4 h after light	26.1756	24.5112	27.84
8 h after light	18.48985	16.6039	20.3758
12 h after light	11.3097	9.8995	12.7199
4 h after dark	18.85935	12.0182	25.7005
8 h after dark	15.2536	14.829	15.6782
12 h after dark	28.00985	23.7243	32.2954