condition	mean	min	max
4 h after light	7.4477150000000005	6.92624	7.96919
8 h after light	14.48245	13.8794	15.0855
12 h after light	28.41255	26.8368	29.9883
4 h after dark	28.526699999999998	28.4274	28.626
8 h after dark	20.5926	20.1691	21.0161
12 h after dark	13.38155	12.7826	13.9805