condition	mean	min	max
4 h after light	30.3189	28.3609	32.2769
8 h after light	34.493849999999995	34.0543	34.9334
12 h after light	22.0831	21.252	22.9142
4 h after dark	5.97995	5.54801	6.41189
8 h after dark	4.290405	3.90645	4.67436
12 h after dark	8.493295	8.17684	8.80975