condition mean min max 4 h after light 344.5997575 268.428997 420.770518 8 h after light 431.3874735 257.117927 605.65702 12 h after light 621.117676 458.232057 784.003295 4 h after dark 1069.0151305 681.9812 1456.049061 8 h after dark 859.187503 775.047226 943.32778 12 h after dark 578.54578 578.54578 578.54578