condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.15675623333333333 0.0712007 0.295545 3 h after dark 0.07049133333333334 0.0597371 0.0785958 6 h after dark 0.15212736666666668 0.0559671 0.249762 9 h after dark 0.040156333333333336 0.0 0.120469 12 h after dark 0.0259173 0.0 0.0777519