condition	mean	min	max
4 h after light	494.558	493.111	496.005
8 h after light	461.56	453.524	469.596
12 h after light	466.403	462.993	469.813
4 h after dark	409.5875	379.581	439.594
8 h after dark	493.082	491.132	495.032
12 h after dark	511.4075	498.922	523.893