condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.2517293333333333 0.0 0.755188 12 h after light 0.19254133333333331 0.0 0.313762 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.06483566666666667 0.0 0.194507