condition	mean	min	max
4 h after light	12.43745	12.1057	12.7692
8 h after light	20.97945	20.8473	21.1116
12 h after light	37.6374	37.518	37.7568
4 h after dark	39.426550000000006	38.4001	40.453
8 h after dark	32.0566	31.4582	32.655
12 h after dark	22.38975	21.9086	22.8709