condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0195337 0.0 0.0586011 9 h after light 0.0 0.0 0.0 12 h after light 0.04314933333333334 0.0 0.129448 3 h after dark 0.0 0.0 0.0 6 h after dark 0.05800436666666666 0.0 0.101489 9 h after dark 0.0 0.0 0.0 12 h after dark 0.05306433333333333 0.0 0.159193