condition mean min max 4 h after light 11.957246 11.957246 11.957246 8 h after light 11.6447395 11.332233 11.957246 12 h after light 11.977735500000001 11.030822 12.924649 4 h after dark 10.6289805 9.784076 11.473885 8 h after dark 11.949850999999999 11.177392 12.72231 12 h after dark 13.615643 13.615643 13.615643