condition mean min max 0 h after light 438.635 438.244 439.026 4 h after light 359.3825 233.148 485.617 8 h after light 458.74850000000004 384.161 533.336 4 h after dark 647.5799999999999 640.021 655.139 8 h after dark 479.5435 458.353 500.734 12 h after dark 410.325 367.503 453.147