condition mean min max 4 h after light 461.1261825 342.473598 579.778767 8 h after light 211.72468099999998 197.330278 226.119084 12 h after light 375.5705555 225.924364 525.216747 4 h after dark 163.4499405 123.898593 203.001288 8 h after dark 98.8305055 60.44351 137.217501 12 h after dark 617.103988 617.103988 617.103988