condition	mean	min	max
4 h after light	608.9	608.9	608.9
8 h after light	557.4	547.8	567.0
12 h after light	534.3	516.0	552.6
4 h after dark	619.4000000000001	602.2	636.6
8 h after dark	457.5	435.5	479.5
12 h after dark	549.9	479.9	619.9