condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.008762133333333333 0.0 0.0262864 12 h after light 0.015488133333333334 0.0 0.0464644 4 h after dark 0.0 0.0 0.0 8 h after dark 0.042844 0.0 0.128532 12 h after dark 0.105313 0.0 0.180796