condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.16459586666666667 0.0 0.414567 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.20601066666666668 0.0 0.618032 12 h after dark 0.04800365 0.0 0.0960073