condition mean min max 2 h after light 149.221 109.774 179.093 6 h after light 139.233 106.05 161.933 10 h after light 115.7355 106.179 127.879 14 h after light 119.7809 91.9584 149.142 18 h after light 126.42366666666666 100.744 150.193 2 h after dark 172.847 132.693 196.671