condition	mean	min	max
4 h after light	56.74055555666667	48.03666667	63.485
8 h after light	38.23111111	30.18	43.69
12 h after light	32.44222222333333	24.66	37.9
1.5 h after dark	32.471111109999995	26.92333333	41.15
5.5 h after dark	40.75444444666667	31.72666667	57.07
9.5 h after dark	45.95444444333333	39.97	54.87