condition mean min max 4 h after light 137.92563 107.003819 168.847441 8 h after light 147.5446405 144.452109 150.637172 12 h after light 158.7821405 142.806104 174.758177 4 h after dark 240.31401699999998 172.139155 308.488879 8 h after dark 299.43962600000003 243.155671 355.723581 12 h after dark 217.907623 217.907623 217.907623