condition	mean	min	max
0 h after light	39.369	38.9042	39.8338
4 h after light	15.101099999999999	13.789	16.4132
8 h after light	14.53065	14.2364	14.8249
4 h after dark	20.5287	16.6789	24.3785
8 h after dark	28.415	25.9493	30.8807
12 h after dark	37.059200000000004	31.5946	42.5238