condition mean min max 4 h after light 554.368655 505.390337 603.346973 8 h after light 357.15883199999996 278.377456 435.940208 12 h after light 467.12387349999995 396.232057 538.01569 4 h after dark 470.1218445 420.627017 519.616672 8 h after dark 375.83797500000003 294.751586 456.924364 12 h after dark 574.496454 574.496454 574.496454