condition	mean	min	max
4 h after light	19.1672	17.2648	21.0696
8 h after light	24.123849999999997	23.5183	24.7294
12 h after light	45.533550000000005	39.1696	51.8975
4 h after dark	60.2363	58.9141	62.8562
8 h after dark	38.7794	35.8692	43.3975
12 h after dark	36.6652	34.8715	38.9631