condition	mean	min	max
4 h after light	18.483800000000002	17.8214	19.1462
8 h after light	17.962249999999997	17.4454	18.4791
12 h after light	16.40215	15.9295	16.8748
4 h after dark	22.76415	22.0921	23.4362
8 h after dark	20.0837	18.7429	21.4245
12 h after dark	22.5464	22.1762	22.9166