condition	mean	min	max
4 h after light	75.96690000000001	73.3288	78.605
8 h after light	41.709199999999996	38.9567	44.4617
12 h after light	45.75435	45.2749	46.2338
4 h after dark	56.11305	53.1923	59.0338
8 h after dark	105.131	103.927	106.335
12 h after dark	97.8207	95.0014	100.64