condition	mean	min	max
4 h after light	17.628999999999998	16.5503	18.7077
8 h after light	18.402700000000003	18.3453	18.4601
12 h after light	22.14215	21.7164	22.5679
4 h after dark	24.23105	22.124	26.3381
8 h after dark	22.16785	21.7955	22.5402
12 h after dark	23.126	22.9141	23.3379