condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.10073566666666667 0.0 0.302207 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.061565666666666664 0.0 0.184697