condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.18735183333333333 0.0535555 0.278138 12 h after light 1.165546 0.550628 1.7562 4 h after dark 0.9144983333333334 0.549212 1.2793 8 h after dark 0.077968 0.0 0.233904 12 h after dark 0.19497933333333334 0.0 0.347474