condition	mean	min	max
0 h after light	19.3952	19.0112	19.7792
4 h after light	4.46416	4.44831	4.48001
8 h after light	7.5221599999999995	7.37558	7.66874
4 h after dark	31.930799999999998	28.1433	35.7183
8 h after dark	31.1067	30.7118	31.5016
12 h after dark	15.60145	13.2298	17.9731