condition	mean	min	max
0 h after light	19.7334	18.272	21.1948
4 h after light	25.6241	24.8891	26.3591
8 h after light	30.712600000000002	29.1274	32.2978
4 h after dark	29.241300000000003	28.6365	29.8461
8 h after dark	27.49205	26.3305	28.6536
12 h after dark	24.109499999999997	22.6653	25.5537