condition mean min max 0 h after light 0.3097945 0.0 0.619589 4 h after light 0.3054405 0.0 0.610881 8 h after light 0.315352 0.0 0.630704 4 h after dark 0.30546 0.0 0.61092 8 h after dark 0.6127895000000001 0.610218 0.615361 12 h after dark 0.0 0.0 0.0