condition mean min max 4 h after light 5.363355 3.59413 7.13258 8 h after light 8.761915 5.82393 11.6999 12 h after light 0.0 0.0 0.0 4 h after dark 1.554245 0.0 3.10849 8 h after dark 5.42469 4.67325 6.17613 12 h after dark 5.649615000000001 5.16483 6.1344