condition	mean	min	max
4 h after light	22.0719	19.9833	24.1605
8 h after light	17.65615	17.4756	17.8367
12 h after light	19.515749999999997	17.7549	21.2766
4 h after dark	35.6953	32.508	38.8826
8 h after dark	38.28815	38.1671	38.4092
12 h after dark	49.774550000000005	48.0893	51.4598