condition mean min max 4 h after light 619.906 536.7295 698.7374 8 h after light 354.04676666666666 156.8725 491.9046 12 h after light 368.8883666666667 312.4895 451.6712 16 h after light 494.5987 367.017 592.2735 4 h after dark 460.8873 408.6995 503.1973 8 h after dark 409.5092333333333 294.3921 481.7579