condition mean min max 0 h after light 0.778644 0.77795 0.779338 4 h after light 0.33322894999999997 0.0528449 0.613613 8 h after light 0.414194 0.263969 0.564419 4 h after dark 1.0215485 0.611237 1.43186 8 h after dark 0.8464615 0.817263 0.87566 12 h after dark 0.379991 0.0 0.759982